Search: 1000 results found for "hepatitis b"

Description:

Core Binding Factor Beta Human Recombinant

PEBP2B, polyomavirus enhancer binding protein b, PEA2, CBF-beta.

Product # :

PRO-534

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Description

CBFB Recombinant Human produced in E.Coli is a single, non-glycosylated polypeptide chain containing 182 amino acids (1-202 a.a.) and having a molecular mass of 23.6 kDa. The CBFB is fused to 20 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

0.5mg/ml solution containing 20mM MES pH-6, 0.1mM PMSF & 10% glycerol.

Purity

Greater than 85.0% as determined by SDS-PAGE.

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Introduction
CBFB beta subunit is a heterodimeric core-binding transcription factor that is part of the PEBP2/CBF transcription factor family which controls a host of genes particulary to hematopoiesis and osteogenesis. CBFB is a non-DNA binding regulatory subunit which increases DNA binding by alpha subunit.
Synonyms
PEBP2B, polyomavirus enhancer binding protein b, PEA2, CBF-beta.
Physical Appearance
Sterile filtered colorless solution.
Stability
CBFB Human although stable at 4C for 1 week, should be stored below -18C. Please prevent freeze thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MPRVVPDQRS KFENEEFFRK LSRECEIKYT GFRDRPHEER QARFQNACRD GRSEIAFVAT GTNLSLQFFP
ASWQGEQRQT PSREYVDLER EAGKVYLKAP MILNGVCVIW KGWIDLQRLD GMGCLEFDEE RAQQEDALAQ QAFEEARRRT REFEDRDRSH
REEMEVRVSQ LLAVTGKKTT RP.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

HIV-1 TAT Clade-B Recombinant, Biotin Labeled

Product # :

HIV-128

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Description

HIV-1 TAT Clade-B Biotin Recombinant- produced in E.coli is a single, non-glycosylated, polypeptide chain containing 86 amino acids encoded by two exons and having chain having a molecular mass of 14kDa and was biotinylated with NHS biotin.

Source

Escherichia Coli.

Formulation

1xPBS & 0.05% glycerol.

Purity

Greater than 90.0% as determined by HPLC analysis & SDS-PAGE.

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Introduction
Human immunodeficiency virus type-1 (HIV-1) regulatory Tat protein plays an essential role in viral replication and infectivity. The HIV-1 TAT is a molecule of 86 aminoacids encoded by two exons. The product of the first exon is sufficient for the transactivation of the HIV-1 promoter. Biotin molecules can be coupled easily to either antigens (such as avidin, streptavidin, Fc binding proteins like Protein A or G) or antibodies and they can be used in a variety of detection systems.
Biotin can be conjugated to many proteins without significantly changing their biological activity. Biotin binds with high affinity to avidin, streptavidin and NeutrAvidin protein.
Every single protein can react with several molecules of biotin, each of which, in turn, can bind a molecule of avidin. This greatly increases the sensitivity of many assay procedures. The avidin-biotin interaction is the strongest known noncovalent biological interaction (Ka = 1015 M-1) between protein and ligand. The bound formation between biotin and avidin is very rapid and, once formed, withstands extremes of pH, organic solvents and other denaturing agents. The avidinbiotin complex can withstand up to 3 M guanidine•HCl. Biotin can be released by 8 M guanidine•HCl at pH 1.5, or by autoclaving.
Physical Appearance
Sterile Filtered colorless solution.
Stability
HIV-1 TAT biotin recombinant although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze-thaw cycles.
Specificity
Immunoreactive with all sera of HIV-1 infected individuals.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Tick-Borne Encephalitis Virus Core Protein Recombinant

Product # :

TBE-285

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Description

The E.coli derived recombinant protein contains the Tick-borne Encephalitis Virus core protein epitopes.

Source

Escherichia Coli.

Formulation

20mM MES pH 6.5, 8M urea, 200mM NaCl & 0.05% Tween-20.

Purity

Encephalitis protein is >95% pure as determined by 10% PAGE (coomassie staining).

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Introduction
TBE is caused by tick-borne encephalitis virus (TBEV), a member of the family Flaviviridae.
A closely related virus in Far Eastern Eurasia, Russian spring-summer encephalitis virus (RSSEV).
The family Flaviviridae includes other tick-borne viruses are closely related to TBEV and RSSEV, such as Omsk hemorrhagic fever virus & Kyasanur Forest virus.
Louping ill virus is also a member of this family.
Stability
Encephalitis protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Applications
Encephalitis antigen is suitable for ELISA and Western blots, excellent antigen for detection of Tick-borne encephalitis virus with minimal specificity problems.
Specificity
Immunoreactive with sera of encephalitis virus infected individuals.
Purification Method
Encephalitis protein was purified by proprietary chromatographic technique.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Interferon-beta, Mouse Anti-Human

Leukocyte interferon, B cell interferon, Type I interferon, IFNB1, IFB, IFF, IFNB, IFN-b 1a MGC96956.

Product # :

ANT-185

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Formulation

1mg/ml in PBS (after reconstitution).

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Introduction
Interferon-beta has antiviral, antibacterial and anticancer activities.
Synonyms
Leukocyte interferon, B cell interferon, Type I interferon, IFNB1, IFB, IFF, IFNB, IFN-b 1a MGC96956.
Solubility
Reconstitute with sterile H20. Mix gently, wash the sides of the vial and wait 30-60 seconds before use.
Immunogen
r.Human IFN-b.
Ig Subclass
Mouse IgG.
Clone
NYRhIFN-b.
Titer
By direct ELISA, 1:10,000 dilution will yield 0.5 O.D using alkaline phosphatase conjugated rabbit anti-mouse Ig (Jackson Laboratories).
Shipping Conditions
Antibody is shipped lyophilized at ambient temperature.
Type
Mouse Anti Human Monoclonal.
Storage Procedures
In lyophilized form, for long periods, store at 4oC in a dry environment. After reconstitution, if not intended for use within a month, aliquot and store at -20oC.
Purification Method
Protein-A.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Apolipoprotein-B Human Recombinant

APOB, APO-B, Apolipoprotein B.

Product # :

CYT-1233

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Description

The APOBHuman is created as a recombinant protein with a 4kda N-terminal fusion of His Tag. The APOBHis-Tagged Fusion Protein, produced in E. coli, is a 31kDa protein containing 201 amino acid residues of the APOBHuman, 1406-1606 amino acids.

Source

Escherichia Coli.

Formulation

Each mg was lyophilized with 1xPBS, 0.4% SDS and 4mM DTT.

Purity

Greater than 80% as determined by SDS-PAGE.

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Synonyms
APOB, APO-B, Apolipoprotein B.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
Stability
Store lyophilized APOBat -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
Solubility
It is recommended to add deionized water to prepare a working stock solution of approximately 0.5mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it on cell culture.
Background
Apolipoprotein-B (ApoB) is the main apolipoprotein of LDL, VLDL, IDL and chylomicrons particles which serves as the carrier of lipids in the water surrounding the cells in every tissue across the body. Apolipoprotein B acts as the key organizing protein of all other carriers of lipids. across LDL membranes, ApoB also plays a role as a ligand for LDL receptors in many cells across the body, meaning, it shows that lipid carriers that are set to cross into cells with Apolipoprotein B receptors, this is how lipids are transported within and into cells.
What is the molecular weight/Mw of APOB Protein?
APOB Protein has a total Mw of 31kDa.

What is the source or expression system of APOB Protein?
Escherichia Coli.

What is the Purity of APOB Protein?
APOB Protein is >80% pure as determined by SDS-PAGE.

What is the Biological Activity of APOB Protein?
The biological functionality of APOB Protein will be determined in the future.

What is the amino acid sequence of APOB Protein?
APOB Protein is composed from 201 amino acids.

What applications can APOB Protein be used in?
APOB Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for APOB Protein?
The endotoxin level is minimal, APOB Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Lactate Dehydrogenase B, Mouse Anti Human

Lactate Dehydrogenase, LDH, Lactate Dehydrogenase B, LDHB.

Product # :

ANT-585

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Formulation

1mg/ml containing PBS, pH-7.4, 10% Glycerol and 0.02% Sodium Azide.

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Introduction
Lactate dehydrogenase (LDH) is an enzyme(EC1.1.1.27) present in a wide variety of organisms, including plants and animals.
A tetrameric enzyme that catalyses the interconversion of pyruvateand lactate with concomitant interconversion of NADH and NAD+. At high concentrations of pyruvate, the enzyme exhibits feedback inhibition and the rate of conversion of pyruvate to lactate is decreased. In vertebrates, genes for three different subunits (LDH-A, LDH-B and LDH-C) exist.
Synonyms
Lactate Dehydrogenase, LDH, Lactate Dehydrogenase B, LDHB.
Physical Appearance
Sterile filtered colorless solution.
Immunogen
Anti-human LDHB mAb, is derived from hybridization of mouse F0 myeloma cells with spleen cells from BALB/c mice immunized with recombinant human LDHB amino acids 1-334 purified from E. coli.
Ig Subclass
Mouse IgG2a heavy chain and k light chain.
Clone
PAT14D7AT.
Applications
LDHB antibody has been tested by ELISA and Western blot analysis to assure specificity and reactivity. Since application varies, however, each investigation should be titrated by the reagent to obtain optimal results.
Type
Mouse Anti Human Monoclonal.
Storage Procedures
For periods up to 1 month store at 4°C, for longer periods of time, store at -20°C. Prevent freeze thaw cycles.
Purification Method
LDHB antibody was purified from mouse ascitic fluids by protein-A affinity chromatography.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Beta Defensin-3 Human Recombinant

HBD3, HBP3, DEFB3, HBD-3, HBP-3, DEFB103.

Product # :

CYT-461

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Description

Beta Defensin-3 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 45 amino acids and having a molecular mass of 5161.2 Dalton. The BD-3 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The HBD-3 was lyophilized without additives.

Purity

Greater than 95.0% as determined by(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

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Introduction
Defensins form a family of microbicidal and cytotoxic peptides made by neutrophils. Members of the defensin family are highly similar in protein sequence. This gene encodes defensin, beta 103A, which has broad spectrum antimicrobial activity and may play an important role in innate epithelial defense.
Synonyms
HBD3, HBP3, DEFB3, HBD-3, HBP-3, DEFB103.
Physical Appearance
Sterile Filtered lyophilized (freeze-dried) powder.
Stability
Lyophilized Beta Defensin-3 Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution BD-3 should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Beta Defensin-3 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
GIINTLQKYY CRVRGGRCAV LSCLPKEEQI GKCSTRGRKC CRRKK.
Background
Beta Defensin-3 Human Recombinant: Advancements in Antimicrobial Peptide Therapy
Abstract:

Beta Defensin-3 (hBD-3) human recombinant is a promising antimicrobial peptide with broad-spectrum activity against bacteria, viruses, and fungi. This research paper provides an overview of hBD-3, including its properties, mode of action, and potential applications. Additionally, novel methodologies for the production and optimization of hBD-3 human recombinant are discussed, highlighting its future implications in the field of infectious disease management.
Introduction:

The rise of drug-resistant pathogens necessitates exploring alternative therapeutic approaches, such as antimicrobial peptides. Beta Defensin-3 (hBD-3) human recombinant has emerged as a potent candidate due to its broad-spectrum antimicrobial activity. This paper aims to examine the unique features of hBD-3 and propose innovative methodologies for its production and optimization.
Properties and Mode of Action:

hBD-3 possesses a distinct structural composition consisting of 45 amino acids, including an N-terminal loop, three antiparallel β-strands, and a C-terminal α-helix. These structural elements contribute to its ability to disrupt microbial membranes and target selectivity. The mode of action involves electrostatic interactions with negatively charged microbial membranes, leading to membrane disruption and subsequent cell death. Furthermore, hBD-3 exhibits immunomodulatory functions by promoting chemotaxis, enhancing phagocytic activity, and modulating the release of pro-inflammatory cytokines.
Production of hBD-3 Human Recombinant:

Various expression systems, such as bacterial, yeast, and mammalian cell-based platforms, have been explored for the efficient production of hBD-3 human recombinant. Each system offers distinct advantages and challenges, requiring careful selection to achieve high yields and desired protein quality. Optimization strategies, including codon optimization, fusion protein tags, and appropriate growth conditions, have been employed to enhance production efficiency. Purification techniques, such as chromatography and ultrafiltration, have been optimized to isolate high-quality hBD-3 recombinant.
Applications and Future Perspectives:

hBD-3 human recombinant exhibits significant therapeutic potential against drug-resistant pathogens, making it a promising alternative to conventional antibiotics. It also demonstrates promise in wound healing and tissue regeneration by stimulating angiogenesis, extracellular matrix production, and keratinocyte migration. Moreover, the unique physicochemical properties of hBD-3 open avenues for its utilization in nanomedicine, enabling targeted therapy and improved drug delivery.
Conclusion:

hBD-3 human recombinant represents a potent antimicrobial peptide with broad-spectrum activity against diverse pathogens. The optimization of production methodologies and further exploration of its mechanisms of action will contribute to its clinical utility. With its potential applications in infectious disease management, wound healing, and nanomedicine, hBD-3 human recombinant holds promise as a versatile therapeutic agent.
What is the molecular weight/Mw of BD3 Protein?
BD3 Protein has a total Mw of 5.1kDa.

What is the source or expression system of BD3 Protein?
Escherichia Coli.

What is the Purity of BD3 Protein?
BD3 Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of BD3 Protein?
The biological functionality of BD3 Protein will be determined in the future.

What is the amino acid sequence of BD3 Protein?
GIINTLQKYY CRVRGGRCAV LSCLPKEEQI GKCSTRGRKC CRRKK.

What applications can BD3 Protein be used in?
BD3 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for BD3 Protein?
The endotoxin level is minimal, BD3 Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Lactate Dehydrogenase B Human Recombinant

Lactate Dehydrogenase B, Renal Carcinoma Antigen NY-REN-46, LDH Heart Subunit, EC 1.1.1.27, LDH-B, LDH-H, Epididymis Secretory Protein Li 281, Testicular Secretory Protein Li 25, Lactate Dehydrogenase H Chain, HEL-S-281, EC 1.1.1 , LDHBD, TRG-5.

Product # :

ENZ-967

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Description

LDHB Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 334 amino acids (1-334) and having a molecular mass of 36.6kDa.

Source

Escherichia Coli.

Formulation

The LDHB solution (1mg/ml) contains 20mM Tris-HCl (pH 8.0), 10% glycerol and 1mM DTT.

Purity

Greater than 90% as determined by SDS-PAGE.

Biological Activity

Specific activity is >300 units/mg, in which 1 unit will convert 1.0 umole of pyruvate to L-lactate and beta-NAD per min at pH 7.5 at 37°.

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Introduction
LDHB is part of the lactate dehydrogenase family. LDHB is an oxidoreductase which catalyses the interconversion of pyruvate and lactate with concomitant interconversion of NADH and NAD+. LDHB catalyzes the oxidation of hydroxybutyrate, and frequently called Hydroxybutyrate Dehydrogenase (HBD). The LDH family consists of three members, LDH-A, LDH-B and LDH-C. LDHs function as powerful markers for germ cell tumors.
Synonyms
Lactate Dehydrogenase B, Renal Carcinoma Antigen NY-REN-46, LDH Heart Subunit, EC 1.1.1.27, LDH-B, LDH-H, Epididymis Secretory Protein Li 281, Testicular Secretory Protein Li 25, Lactate Dehydrogenase H Chain, HEL-S-281, EC 1.1.1 , LDHBD, TRG-5.
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MATLKEKLIA PVAEEEATVP NNKITVVGVG QVGMACAISI LGKSLADELA LVDVLEDKLK GEMMDLQHGS LFLQTPKIVA DKDYSVTANS KIVVVTAGVR QQEGESRLNL VQRNVNVFKF IIPQIVKYSP DCIIIVVSNP VDILTYVTWK LSGLPKHRVI GSGCNLDSAR FRYLMAEKLG IHPSSCHGWI LGEHGDSSVA VWSGVNVAGV SLQELNPEMG TDNDSENWKE VHKMVVESAY EVIKLKGYTN WAIGLSVADL IESMLKNLSR IHPVSTMVKG MYGIENEVFL SLPCILNARG LTSVINQKLK DDEVAQLKKS ADTLWDIQKD LKDL.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

HIV-1 gp41 Subtype-b Recombinant

Product # :

HIV-011

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Description

Recombinant HIV-1 gp41 Subtype-b produced in E. coli having a Mw of 42kDa.Recombinant HIV-1 gp41 Subtype-b is fused to GST tag at its N-terminus and purified by proprietary chromatographic technique.

Source

Escherichia Coli.

Formulation

HIV-1 gp41 Subtype-b solution contains 25mM K2CO3,4M urea and PBS.

Purity

Protein is >95% pure as determined by 10% PAGE (coomassie staining).

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Introduction
Human immunodeficiency virus (HIV) is a retrovirusthat can lead to a condition in which the immune systembegins to fail, leading to opportunistic infections. HIV primarily infects vital cells in the humanimmune systemsuch as helper T cells(specifically CD4+ T cells), macrophagesand dendritic cells. HIV infection leads to low levels of CD4+ T cells through three main mechanisms: firstly, direct viral killing of infected cells; secondly, increased rates of apoptosisin infected cells; and thirdly, killing of infected CD4+ T cells by CD8 cytotoxic lymphocytesthat recognize infected cells. When CD4+ T cell numbers decline below a critical level, cell-mediated immunityis lost, and the body becomes progressively more susceptible to opportunistic infections. HIV was classified as a member of the genus Lentivirus, part of the family of Retroviridae. Lentiviruses have many common morphologies and biological properties. Many species are infected by lentiviruses, which are characteristically responsible for long-duration illnesses with a long incubation period.HIV-1 gp41 Subtype-b reacts to HIV1 antibody from HIV infected patients, over 90% HIV1 samples collected in house were tested strongly positive by rapid test.
Physical Appearance
Sterile Filtered clear solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks.Store, frozen at -20°C for longer periods of time.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Applications
Immunoassay.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

NF-kappa-B Inhibitor Delta Human Recombinant

NF-kappa-B inhibitor delta, I-kappa-B-delta, IkB-delta, IkappaBdelta, IkappaBNS, T-cell activation NFKB-like protein, TA-NFKBH, NFKBID, IKBNS.

Product # :

PRO-1684

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Description

NFKBID Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 336 amino acids (1-313) and having a molecular mass of 35.9 kDa.NFKBID is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The NFKBID solution (0.5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl, 10% glycerol and 1mM DTT.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
NFKBID belongs to the IkB family of proteins which contains four groups (IkB-alpha, IkB-beta, IkB-gamma, IkB-epsilon). NFKBID takes part in regulating inflammatory responses and cytokine, IL-2 and IL-6 expression through NFkB activity. NFKBID has 3 known alternative spliced isoforms, and is associated with RelB, NF?B p50 and NFkB p65 in nucleus. NFKBID is involeved in thymocyte selection in response to TCR induction.
Synonyms
NF-kappa-B inhibitor delta, I-kappa-B-delta, IkB-delta, IkappaBdelta, IkappaBNS, T-cell activation NFKB-like protein, TA-NFKBH, NFKBID, IKBNS.
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMEAGPWR VSAPPSGPPQ FPAVVPGPSL EVARAHMLAL GPQQLLAQDE EGDTLLHLFA ARGLRWAAYA AAEVLQVYRR LDIREHKGKT PLLVAAAANQ PLIVEDLLNL GAEPNAADHQ GRSVLHVAAT YGLPGVLLAV LNSGVQVDLE ARDFEGLTPL HTAILALNVA MRPSDLCPRV LSTQARDRLD CVHMLLQMGA NHTSQEIKSN KTVLHLAVQA ANPTLVQLLL ELPRGDLRTF VNMKAHGNTA LHMAAALPPG PAQEAIVRHL LAAGADPTLR NLENEQPVHL LRPGPGPEGL RQLLKRSRVA PPGLSS.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Beta Defensin-4 Human Recombinant

HBD-4, DEFB-4, HBD4, DEFB104B, Beta-defensin 4, BD-4.

Product # :

CYT-599

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Quantity :

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Shipped at Room temp

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Description

Beta Defensin-4 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 50 amino acids and having a molecular mass of 6 kDa. The BD-4 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The DEFB4 (1mg/ml) was lyophilized with 20mM sodium Phosphate buffer pH-7.4 and 130mM NaCl.

Purity

Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

Determined by its ability to chemoattract human monocytes using a concentration range of 0.1-50 ng/ml, corresponding to a specific activity of 20,000-10,000,000 units/mg.

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Introduction
Defensins are cationic peptides with a large spectrum of antimicrobial activity that comprise an important arm of the innate immune system. The Alpha defensins are differentiated from the Beta-defensins by the pairing of their 3 disulfide bonds.
4 human Beta-defensins have been identified to date; BD-1, BD-2, BD-3 and BD-4.
Beta-defensins are expressed on some leukocytes and at epithelial surfaces.
In addition to their direct antimicrobial activities, they are chemoattractant towards immature dendritic cells and memory T cells. The beta-defensin proteins are expressed as the C-terminal portion of precursors and are released by proteolytic cleavage of a signal sequence and, in the case of BD-1 (36 a.a.), a propeptide region. Beta-defensins contain a six-cysteine motif that forms three intra-molecular disulfide bonds. Beta-Defensins are 3-5 kDa peptides ranging in size from 33-47 amino acid residues.
Synonyms
HBD-4, DEFB-4, HBD4, DEFB104B, Beta-defensin 4, BD-4.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Beta Defensin-4 Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution BD-3 should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Beta Defensin-4 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
EFELDRICGY GTARCRKKCR SQEYRIGRCP NTYACCLRKW DESLLNRTKP.
Background
Beta Defensin-4 Human Recombinant: Exploring the Potential of a Novel Antimicrobial Peptide
Abstract:
Beta Defensin-4 (hBD-4) human recombinant is a promising antimicrobial peptide with unique properties and potential therapeutic applications. This research paper provides an in-depth analysis of hBD-4, including its characteristics, mode of action, and potential uses. Furthermore, novel methodologies for the production and optimization of hBD-4 human recombinant are proposed, shedding light on its future implications in the field of infectious disease management.
Introduction:
In the face of increasing drug-resistant infections, alternative therapeutic strategies are crucial. Antimicrobial peptides, such as hBD-4, have gained attention due to their broad-spectrum activity against pathogens. This paper aims to explore the distinctive features of hBD-4 and propose innovative approaches for its production and optimization.
Characteristics and Mode of Action:
hBD-4 is a cationic peptide comprising 50 amino acids and is characterized by a unique structure that contributes to its antimicrobial properties. The mechanism of action involves the disruption of microbial membranes and subsequent cell death. Additionally, hBD-4 exhibits immunomodulatory effects, including the stimulation of chemotaxis and modulation of the inflammatory response.
Production of hBD-4 Human Recombinant:
Efficient production methodologies for hBD-4 human recombinant are essential for its therapeutic applications. Various expression systems, such as bacterial, yeast, and mammalian cell-based platforms, have been explored. Each system presents advantages and challenges, necessitating careful selection for high yields and protein quality. Optimization strategies, including codon optimization, fusion protein tags, and growth conditions, have been employed to enhance production efficiency. Purification techniques, such as chromatography and ultrafiltration, have been optimized to isolate high-quality hBD-4 recombinant.
Potential Applications:
hBD-4 human recombinant demonstrates potential therapeutic applications in combating drug-resistant pathogens. Its broad-spectrum antimicrobial activity against bacteria, viruses, and fungi positions it as a promising candidate for infectious disease management. Moreover, hBD-4 shows promise in wound healing and tissue regeneration due to its ability to promote angiogenesis and stimulate cell migration. Exploring its potential in combination with drug delivery systems for targeted therapy is an exciting avenue for future research.
Conclusion:
hBD-4 human recombinant represents a novel antimicrobial peptide with diverse potential applications. Optimizing production methodologies and elucidating its mechanisms of action will further enhance its clinical utility. With its broad-spectrum antimicrobial activity and potential implications in wound healing and targeted therapy, hBD-4 human recombinant holds promise as an innovative therapeutic agent.
What is the molecular weight/Mw of BD4 Protein?
BD4 Protein has a total Mw of 6kDa.

What is the source or expression system of BD4 Protein?
Escherichia Coli.

What is the Purity of BD4 Protein?
BD4 Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of BD4 Protein?
Determined by its ability to chemoattract human monocytes using a concentration range of 0.1-50 ng/ml, corresponding to a specific activity of 20,000-10,000,000 units/mg.

What is the amino acid sequence of BD4 Protein?
EFELDRICGY GTARCRKKCR SQEYRIGRCP NTYACCLRKW DESLLNRTKP.

What applications can BD4 Protein be used in?
BD4 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for BD4 Protein?
The endotoxin level is minimal, BD4 Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Influenza-B Virus Qingdao/102/91

Product # :

IHA-016

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Description

Allantoic fluid of 10 days old embryonated eggs, inoculated with influenza B virus, strain B/Qingdao/102/91. The Influenza B Virus was purified by Ultracentrifugation with 10-40 % sucrose gradient.

Formulation

The B/Qingdao/102/91 solution contains 0.1M NaCl, 10mM Tris HCl, 1mM EDTA pH-8, 0.1% sodium azide (NaN3) and 0.005% thimerosal.

Purity

Greater than 90.0% as determined byAnalysis by SDS-PAGE.

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Introduction
Influenza-B virus is a genus in the virusfamily Orthomyxoviridae. The only species in this genus is called "Influenza B virus". Influenza B virus only infects humansand seals. This limited host range is apparently in contrast with those caused by the similar Influenza virus Aas both mutate by both genetic drift and reassortment. Influenza-B virus evolves slower than A viruses and faster than C viruses. Influenza-B virus mutates at a rate 2-3 times lower than type A. However, influenza B mutates enough that lasting immunity is not possible. The Influenza B virus capsidis enveloped while its virionconsists of a matrix protein + envelope + nucleoprotein complex + nucleocapsid, and a polymerasecomplex. Influenza B is sometimes spherical and sometimes filamentous. Its 500 or so surface projections are made of hemagglutinin and neuraminidase.
The Influenza B virus is 14648 nucleotideslong and consists of eight segments of linear negative-sense, single-stranded RNA. The multipartite genome is encapsidated, each segment in a separate nucleocapsid, and the nucleocapsids are surrounded by one envelope.
Physical Appearance
Sterile Filtered colorless solution.
Stability
B/Qingdao/102/91 although stable 4°C for 4 weeks, should be stored below -18°C. Please prevent freeze-thaw cycles.
Inactivation
Thimerosal and beta propiolactone treatmentThis product has been treated in a manner consistent with methods of inactivation. Generally accepted good laboratory practices appropriate to microbiological/viral safe handling practices and techniques are required at work.
Immunological Activity
Serological studies of influenza B virus, immunogen for antibody production.Tested with anti-influenza B monoclonal antibodies in ELISA.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Cathepsin-D Human Recombinant

Cathepsin D, EC 3.4.23.5, CTSD, CPSD, CLN10, MGC2311.

Product # :

ENZ-378

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Description

CTSD produced in HEK293 cells is a single, glycosylated polypeptide chain containing 398 amino acids (21-412 a.a.) and having a molecular mass of 43.4kDa. CTSD is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

HEK293 Cells

Formulation

CTSD at 1mg/ml in 50mM MES, pH5.5, 100mM NaCl and 20% Glycerol.

Purity

Greater than 95% as determined by SDS-PAGE

More Info

Introduction
Cathepsin D is synthesized as a 54kDa precursor, which is proteolytically processed to an intermediate 48kDa single chain, which matures into more stable 34kDa and 14kDa two chain form. It is an estrogen-regulated lysosomal protease that has been suggested to facilitate cancer cell migration and invasion by digesting the basement membrane, extracellular matrix, and xonnective tissue. Because of its mitogenic and proteolytic activities, it has been implicated as a prognostic marker in many tumor types. Cathepsin D is expressed in epithelial cells as well as in macrophages.
Synonyms
Cathepsin D, EC 3.4.23.5, CTSD, CPSD, CLN10, MGC2311.
Physical Appearance
Sterile Filtered clear solution.
Stability
Store vial at -20°C to -80°C. When stored at the recommended temperature, this protein is stable for 12 months.Please prevent freeze-thaw cycles.
Amino Acid Sequence
LVRIPLHKFT SIRRTMSEVG GSVEDLIAKG PVSKYSQAVP AVTEGPIPEV LKNYMDAQYY GEIGIGTPPQ CFTVVFDTGS SNLWVPSIHC KLLDIACWIH HKYNSDKSST YVKNGTSFDI HYGSGSLSGY LSQDTVSVPC QSASSASALG GVKVERQVFG EATKQPGITF IAAKFDGILG MAYPRISVNN VLPVFDNLMQ QKLVDQNIFS FYLSRDPDAQ PGGELMLGGT DSKYYKGSLS YLNVTRKAYW QVHLDQVEVA SGLTLCKEGC EAIVDTGTSL MVGPVDEVRE LQKAIGAVPL IQGEYMIPCE KVSTLPAITL KLGGKGYKLS PEDYTLKVSQ AGKTLCLSGF MGMDIPPPSG PLWILGDVFI GRYYTVFDRD NNRVGFAEAA RLHHHHHH
Enzymatic Activity
> 20 pmol/min/ug, defined as the amount of enzyme which cleaves 1pmol of Mca-PLGLDpa-AR-NH2/min at pH-3.5 at 25C.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Tick-Borne Encephalitis Virus gE Recombinant

Product # :

TBE-281

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Description

The E.coli derived recombinant protein contains the Tick-borne Encephalitis Virus glycoprotein E regions, 95-229 amino acids.

Source

Escherichia Coli.

Formulation

20mM Tris-MES pH 6.5, 8M urea, 200mM NaCl and 0.05% Tween-20.

Purity

Protein is >90% pure as determined by SDS- PAGE.

More Info

Introduction
TBE is caused by tick-borne encephalitis virus (TBEV), a member of the family Flaviviridae.
A closely related virus in Far Eastern Eurasia, Russian spring-summer encephalitis virus (RSSEV).
The family Flaviviridae includes other tick-borne viruses are closely related to TBEV and RSSEV, such as Omsk hemorrhagic fever virus & Kyasanur Forest virus.
Louping ill virus is also a member of this family.
Stability
Encephalitis protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Applications
Encephalitis antigen in ELISA and Western blots, excellent antigen for detection of Tick-borne encephalitis virus with minimal specificity problems.
Specificity
Immunoreactive with sera of encephalitis virus infected individuals.
Purification Method
Encephalitis protein was purified by proprietary chromatographic technique.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Insulin Human Recombinant, His Tag

Insulin, Insulin-Dependent Diabetes Mellitus 2, Preproinsulin, Proinsulin, MODY10, IDDM1, IDDM2, IDDM, ILPR, IRDN.

Product # :

CYT-1076

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Description

Insulin Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 109 amino acids (25-110 a.a) and having a molecular mass of 11.8kDa. Insulin is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Insulin protein solution (0.5mg/ml) containing Phosphate-Buffered Saline (pH 7.4) and 10% Glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

Measured in a cell proliferation assay using MCF7 human breast cancer cell. The ED50 for this effect is less or equal to 4 ug/ml.

More Info

Introduction
Insulin decreases blood glucose concentration. it increases cell permeability to monosaccharides, amino acids and fatty acids. it accelerates glycolysis, the pentose phosphate cycle, and glycogen synthesis in liver.
Synonyms
Insulin, Insulin-Dependent Diabetes Mellitus 2, Preproinsulin, Proinsulin, MODY10, IDDM1, IDDM2, IDDM, ILPR, IRDN.
Physical Appearance
Sterile Filtered clear solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSFVNQHLC GSHLVEALYL VCGERGFFYT PKTRREAEDL QVGQVELGGG PGAGSLQPLA LEGSLQKRGI VEQCCTSICS LYQLENYCN

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Paraoxonase-1 Human Recombinant, HEK

Serum paraoxonase/arylesterase 1, Serum aryldialkylphosphatase 1, Aromatic esterase 1, A-esterase 1 , Serum aryldialkylphosphatase 1, paraoxonase 1, K-45, ESA, PON, MVCD5

Product # :

ENZ-1154

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Description

PON1 Human Recombinant produced in HEK cells is a single, glycosylated, polypeptide chain (16-355 a.a) containing a total of 346 amino acids, having a molecular mass of 39.0kDa. PON1 is fused to a 6 amino acid His-tag at C-terminus,and is purified by proprietary chromatographic techniques.

Source

HEK293 Cells.

Formulation

The PON1 solution (0.25mg/ml) contains 20% Glycerol and Phosphate-Buffered Saline (pH 7.4).

Purity

Greater than 90.0% as determined by SDS-PAGE.

Biological Activity

Specific activity is > 2,500 pmol/min/ug. Defined by the amount of enzyme that hydrolyzes 1pmole of pnitrophenyl acetate to p-nitrophenol per minute at pH 7.5 at 37˚C.

More Info

Introduction
Paraoxonase-1 or PON1 is part of the paraoxonase group of proteins. PON1 is an enzyme, responsible to the toxic metabolites of a different of organophosphorus insecticides hydrolyzation. Furthermore, PON1 is a dominant anti-atherosclerotic part of HDL. The enzyme needs PPAR-gamma for activation, leading to synthesis and release of paraoxonase 1 from the liver tissue, resulting in atherosclerosis reduction. PON1 has many qualities for atheroprotective through inflammatory lipid peroxides metabolism. This enzyme can hydrolyze a large number of substrates, for example cyclic carbonates, lactones, nerve gases etc.
Synonyms
Serum paraoxonase/arylesterase 1, Serum aryldialkylphosphatase 1, Aromatic esterase 1, A-esterase 1 , Serum aryldialkylphosphatase 1, paraoxonase 1, K-45, ESA, PON, MVCD5
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
LFRNHQSSYQ TRLNALREVQ PVELPNCNLV KGIETGSEDL EILPNGLAFI SSGLKYPGIK SFNPNSPGKI LLMDLNEEDP TVLELGITGS KFDVSSFNPH GISTFTDEDN AMYLLVVNHP DAKSTVELFK FQEEEKSLLH LKTIRHKLLP NLNDIVAVGP EHFYGTNDHY FLDPYLQSWE MYLGLAWSYV VYYSPSEVRV VAEGFDFANG INISPDGKYV YIAELLAHKI HVYEKHANWT LTPLKSLDFN TLVDNISVDP ETGDLWVGCH PNGMKIFFYD SENPPASEVL RIQNILTEEP KVTQVYAENG TVLQGSTVAS VYKGKLLIGT VFHKALYCEL HHHHHH

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Hepatoma-Derived Growth Factor-2 Human Recombinant

Hepatoma-derived growth factor-related protein 3, HRP-3, Hepatoma-derived growth factor 2, HDGF-2, HDGFRP3, HDGF2, CGI-142.

Product # :

CYT-132

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Quantity :

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source
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SDS-PAGE
Citations

Description

HDGF2 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 227 amino acids (1-203 a.a.) and having a molecular mass of 25.1kDa (Molecular weight on SDS-PAGE will appear higher). HDGF2 is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

HDGF2 protein solution (0.5mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 1mM DTT, 10% glycerol and 0.1M NaCl.

Purity

Greater than 90% as determined by SDS-PAGE.

SDS-PAGE

More Info

Introduction
Hepatoma-derived growth factor, related protein 3 (HDGFRP3/HDGF2) is the original member of a family of polypeptides labeled HDGF related proteins (HRPs). The HDGF2 protein augments DNA synthesis and may play a part in cell proliferation. HDGF2 is expressed primarily in the testis and the brain, to an intermediate extent in the heart, and to a slight extent in the ovaries, kidneys, spleen, and liver in humans.
Synonyms
Hepatoma-derived growth factor-related protein 3, HRP-3, Hepatoma-derived growth factor 2, HDGF-2, HDGFRP3, HDGF2, CGI-142.
Physical Appearance
Sterile Filtered clear solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSHMARPRP REYKAGDLVF AKMKGYPHWP ARIDELPEGA VKPPANKYPI FFFGTHETAF LGPKDLFPYK EYKDKFGKSN KRKGFNEGLW EIENNPGVKF TGYQAIQQQS SSETEGEGGN TADASSEEEG DRVEEDGKGK RKNEKAGSKR KKSYTSKKSS
KQSRKSPGDE DDKDCKEEEN KSSSEGGDAG NDTRNTTSDL QKTSEGT.
Background
What is the molecular weight/Mw of HDGF2 HUMAN Protein?
HDGF2 HUMAN Protein has a total Mw of 25.1kDa.

What is the source or expression system of HDGF2 HUMAN Protein?
Escherichia Coli.

What is the Purity of HDGF2 HUMAN Protein?
HDGF2 HUMAN Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of HDGF2 HUMAN Protein?
The biological functionality of HDGF2 HUMAN Protein will be determined in the future.

What is the amino acid sequence of HDGF2 HUMAN Protein?
MGSSHHHHHH SSGLVPRGSH MGSHMARPRP REYKAGDLVF AKMKGYPHWP ARIDELPEGA VKPPANKYPI FFFGTHETAF LGPKDLFPYK EYKDKFGKSN KRKGFNEGLW EIENNPGVKF TGYQAIQQQS SSETEGEGGN TADASSEEEG DRVEEDGKGK RKNEKAGSKR KKSYTSKKSS
KQSRKSPGDE DDKDCKEEEN KSSSEGGDAG NDTRNTTSDL QKTSEGT.

What applications can HDGF2 HUMAN Protein be used in?
HDGF2 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for HDGF2 HUMAN Protein?
The endotoxin level is minimal, HDGF2 HUMAN Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Methionine Sulfoxide Reductase B E.Coli Recombinant

Peptide methionine sulfoxide reductase MsrB, Peptide-methionine (R)-S-oxide reductase, msrB, yeaA, b1778, JW1767.

Product # :

ENZ-124

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Description

MSRB produced in E.Coli is a single, non-glycosylated polypeptide chain containing 157 amino acids (1-137 a.a.) and having a molecular mass of 17.6kDa.MSRB is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

MSRB protein solution (1mg/ml) 20mM Tris-HCl buffer (pH8.0), 20% glycerol 0.1M NaCl and 1mM DTT.

Purity

Greater than 95.0% as determined by SDS-PAGE.

More Info

Introduction
Methionine sulfoxide reductase B (MsrB) from Escherichia coli is a member of the msrB Met sulfoxide reductase family. The E.coli msrB carries out the reduction of methionine-R-sulfoxide to methionine. msrB possess a metal binding site composed of 2 CXXC motifs. The bound metal (zinc or iron) may stabilize the conformation of the enzymes.
Synonyms
Peptide methionine sulfoxide reductase MsrB, Peptide-methionine (R)-S-oxide reductase, msrB, yeaA, b1778, JW1767.
Physical Appearance
Sterile filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MANKPSAEEL KKNLSEMQFY VTQNHGTEPP FTGRLLHNKR DGVYHCLICD APLFHSQTKY DSGCGWPSFY EPVSEESIRY IKDLSHGMQR IEIRCGNCDA HLGHVFPDGP QPTGERYCVN SASLRFTDGE NGEEING.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

RELM-Beta Mouse Recombinant

Resistin-like beta, RELM beta, Cysteine-rich secreted protein FIZZ2, Colon and small intestine-specific cysteine-rich protein, Cysteine-rich secreted protein A12-alpha-like 1, Colon carcinoma-related gene protein, RELM-b, XCP2, HXCP2.

Product # :

CYT-413

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Quantity :

Shipping Method :

Shipped at Room temp

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Description

Mouse RELM-b Recombinant produced in E.Coli is a monomeric, non-glycosylated, polypeptide chain containing 83 amino acids and having a molecular mass of 8.9kDa. The Mouse RETNLB is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from a concentrated (1mg/ml) protein solution containing 10mM Acetic Acid with 2:1 mannitol to protein.

Purity

Greater than 97% as determined by SDS-PAGE.

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Introduction
RELM-beta (Resistin-Like Molecule-beta) is a member of a recently identified family of secreted proteins containing a conserved cystein-rich C-terminus. The RELM family consists of resistin (also called FIZZ3), RELM-alfa (FIZZ1), RELM-beta (FIZZ2) and RELM-gamma. Only resisistin and RELM-beta were found in humans whereas all four RELM family members were identified in rodents.
RELM-beta appears to be produced as a homodimer exclusively by intestinal goblet cells and can be found in high quantities in stool. Remarkably, stool of germ-free mice displaying sterile intestinal tract does not contain RELM-beta until bacterial colonization takes place after pathogen-free mice entered natural environment. Some, but not all, colon carcinoma cell lines secrete RELM-beta into the cell culture supernatant.
The physiological function of RELM-beta is not known. High doses of recombinant RELM-beta showed hyperglycemic effects including lowered glucose disposal and increased hepatic glucose production in mice.
Synonyms
Resistin-like beta, RELM beta, Cysteine-rich secreted protein FIZZ2, Colon and small intestine-specific cysteine-rich protein, Cysteine-rich secreted protein A12-alpha-like 1, Colon carcinoma-related gene protein, RELM-b, XCP2, HXCP2.
Physical Appearance
Brownish lyophilized powder.
Stability
Lyophilized RETNLB is stable at -20°C. After reconstitution the protein should be kept at all times at -20°C. It is recommended to add a carrier protein (0.1% HSA or BSA) for long term storage.
Solubility
Reconstitute at 0.1 mg/ml with sterile pyrogen free water.
Amino Acid Sequence
MQCSFESLVD QRIKEALSRQ EPKTISCTSV TSSGRLASCP AGMVVTGCAC GYGCGSWDIR NGNTCHCQCS VMDWASARCC RMA.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Hepatocyte Growth Factor Human Recombinant

Scatter Factor (SF), Hepatopoietin (HPTA), HGF, HGFB, F-TCF.

Product # :

CYT-244

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Quantity :

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Shipped at Room temp

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Description

Hepatocyte Growth Factor Human Recombinant produced in Baculovirus is a heterodimer, non-glycosylated, polypeptide chain containing 697 a.a and having a total molecular mass of 78.0 KDa.The HGF is purified by proprietary chromatographic techniques.

Source

Insect cells.

Formulation

The sterile protein powder (1 mg/ml) is lyophilized from a solution containing 50mM acetic acid.

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

The activity was assayed for scattering activity in the MDCK cell assay. The ED₅₀ for this effect is typically at 2.0-5.0 ng/ml.

More Info

Introduction
Hepatocyte Growth Factor (HGF) is a multifunctional growth factor which regulates both cell growth and cell motility. It exerts a strong mitogenic effect on hepatocytes and primary epithelial cells. HGF synergizes with Interleukin-3 and GM-CSF to stimulate colony formation of hematopoietic progenitor cells in vitro and may, therefore, also modulate hematopoiesis.
Synonyms
Scatter Factor (SF), Hepatopoietin (HPTA), HGF, HGFB, F-TCF.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Hepatocyte Growth Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution HGF should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Hepatocyte Growth Factor in 50mM acetic acid to a concentration not less than 100µg/ml. Further dilutions should be made using buffer containing protein.
Amino Acid Sequence
QRKRRNTIHEFKKSAKTTLIKIDPALKIKTKKVNTADQCANRCTRNKGLPFTCK
AFVFDKARKQCLWFPFNSMSSGVKKEFGHEFDLYENKDYIRNCIIGKGRSYKGT
VSITKSGIKCQPWSSMIPHEHSYRGKDLQENYCRNPRGEEGGPWCFTSNPEVRY
EVCDIPQCSEVECMTCNGESYRGLMDHTESGKICQRWDHQTPHRHKFLPERYPD
KGFDDNYCRNPDGQPRPWCYTLDPHTRWEYCAIKTCADNTMNDTDVPLETTECI
QGQGEGYRGTVNTIWNGIPCQRWDSQYPHEHDMTPENFKCKDLRENYCRNPDGS
ESPWCFTTDPNIRVGYCSQIPNCDMSHGQDCYRGNGKNYMGNLSQTRSGLTCSM
WDKNMEDLHRHIFWEPDASKLNENYCRNPDDDAHGPWCYTGNPLIPWDYCPISR
CEGDTTPTIVNLDHPVISCAKTKQLRVVNGIPTRTNIGWMVSLRYRNKHICGGS
LIKESWVLTARQCFPSRDLKDYEAWLGIHDVHGRGDEKCKQVLNVSQLVYGPEG
SDLVLMKLARPAVLDDFVSTIDLPNYGCTIPEKTSCSVYGWGYTGLINYDGLLR
VAHLYIMGNEKCSQHHRGKVTLNESEICAGAEKIGSGPCEGDYGGPLVCEQHKM
RMVLGVIVPGRGCAIPNRPGIFVRVAYYAKWIHKIILTYKVPQS.
Background
What is the molecular weight/Mw of HEPATOCYTE GROWTH FACTOR HUMAN, Protein?
HEPATOCYTE GROWTH FACTOR HUMAN, Protein has a total Mw of 78kDa.

What is the source or expression system of HEPATOCYTE GROWTH FACTOR HUMAN, Protein?
Insect cells.
What is the Purity of HEPATOCYTE GROWTH FACTOR HUMAN, Protein?
HEPATOCYTE GROWTH FACTOR HUMAN, Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of HEPATOCYTE GROWTH FACTOR HUMAN, Protein?
The activity was assayed for scattering activity in the MDCK cell assay. The ED50 for this effect is typically at 2.0-5.0 ng/ml.

What is the amino acid sequence of HEPATOCYTE GROWTH FACTOR HUMAN, Protein?
QRKRRNTIHEFKKSAKTTLIKIDPALKIKTKKVNTADQCANRCTRNKGLPFTCK
AFVFDKARKQCLWFPFNSMSSGVKKEFGHEFDLYENKDYIRNCIIGKGRSYKGT
VSITKSGIKCQPWSSMIPHEHSYRGKDLQENYCRNPRGEEGGPWCFTSNPEVRY
EVCDIPQCSEVECMTCNGESYRGLMDHTESGKICQRWDHQTPHRHKFLPERYPD
KGFDDNYCRNPDGQPRPWCYTLDPHTRWEYCAIKTCADNTMNDTDVPLETTECI
QGQGEGYRGTVNTIWNGIPCQRWDSQYPHEHDMTPENFKCKDLRENYCRNPDGS
ESPWCFTTDPNIRVGYCSQIPNCDMSHGQDCYRGNGKNYMGNLSQTRSGLTCSM
WDKNMEDLHRHIFWEPDASKLNENYCRNPDDDAHGPWCYTGNPLIPWDYCPISR
CEGDTTPTIVNLDHPVISCAKTKQLRVVNGIPTRTNIGWMVSLRYRNKHICGGS
LIKESWVLTARQCFPSRDLKDYEAWLGIHDVHGRGDEKCKQVLNVSQLVYGPEG
SDLVLMKLARPAVLDDFVSTIDLPNYGCTIPEKTSCSVYGWGYTGLINYDGLLR
VAHLYIMGNEKCSQHHRGKVTLNESEICAGAEKIGSGPCEGDYGGPLVCEQHKM
RMVLGVIVPGRGCAIPNRPGIFVRVAYYAKWIHKIILTYKVPQS.What applications can

HEPATOCYTE GROWTH FACTOR HUMAN, Protein be used in?
HEPATOCYTE GROWTH FACTOR HUMAN, Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for HEPATOCYTE GROWTH FACTOR HUMAN, Protein?
The endotoxin level is minimal, HEPATOCYTE GROWTH FACTOR HUMAN, Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Human Chorionic Gonadotropin beta core, Mouse antibody

Chorionic gonadotropin beta polypeptide, CGB3, hCGB,Choriogonadotropin subunit beta, CG-beta, Chorionic gonadotrophin chain beta.

Product # :

ANT-147

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Shipped at Room temp

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Formulation

1mg/ml in PBS (after reconstitution).

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Introduction
Human chorionic gonadotropin (hCG) is a peptide hormoneproduced in pregnancy, that is made by the embryosoon after conceptionand later by the syncytiotrophoblast(part of the placenta). Its role is to prevent the disintegration of the corpus luteumof the ovaryand thereby maintain progesteroneproduction that is critical for a pregnancyin humans. hCG may have additional functions, for instance it is thought that it affects the immune tolerance of the pregnancy. Early pregnancy testinggenerally is based on the detection or measurement of hCG.
Synonyms
Chorionic gonadotropin beta polypeptide, CGB3, hCGB,Choriogonadotropin subunit beta, CG-beta, Chorionic gonadotrophin chain beta.
Solubility
Reconstitute with H20. Mix gently, wash the sides of the vial and wait 30-60 seconds before use.
Immunogen
purified hCG beta core.
Ig Subclass
mouse IgG2b.
Clone
NYRhCG.
Note
Minimal cross-reactivity with human Luteinizing Hormone b-Core fragment.
Titer
By direct ELISA, 1:10,000 dilution will yield 0.5 O.D using alkaline phosphatase conjugated rabbit anti-mouse Ig (Jackson Laboratories).
Shipping Conditions
Antibody is shipped lyophilized at ambient temperature.
Type
Mouse Antibody Monoclonal.
Storage Procedures
In lyophilized form, for long periods, store at 4°C in a dry environment. After reconstitution, if not intended for use within a month, aliquot and store at -20°C.
Purification Method
Ion exchange column.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Hepatoma-Derived Growth Factor (32-285 a.a) Human Recombinant

Scatter Factor (SF), Hepatopoietin (HPTA), HGF, HGFB, F-TCF, DFNB39.

Product # :

CYT-294

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Shipped with Ice Packs

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SDS-PAGE
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Description

HGF Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 255 amino acids (32-285 a.a.) and having a molecular mass of 29.8kDa. HGF is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

HGF protein solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 10% glycerol and 0.4M Urea.

Purity

Greater than 80% as determined by SDS-PAGE.

SDS-PAGE

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Introduction
Hepatocyte Growth Factor (HGF) is a multifunctional growth factor which regulates both cell growth and cell motility. It exerts a strong mitogenic effect on hepatocytes and primary epithelial cells. HGF synergizes with Interleukin-3 and GM-CSF to stimulate colony formation of hematopoietic progenitor cells in vitro and may, therefore, also modulate hematopoiesis.
Synonyms
Scatter Factor (SF), Hepatopoietin (HPTA), HGF, HGFB, F-TCF, DFNB39.
Physical Appearance
Sterile filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MQRKRRNTIH EFKKSAKTTL IKIDPALKIK TKKVNTADQC ANRCTRNKGL PFTCKAFVFD KARKQCLWFP FNSMSSGVKK EFGHEFDLYE NKDYIRNCII GKGRSYKGTV SITKSGIKCQ PWSSMIPHEH SYRGKDLQEN YCRNPRGEEG GPWCFTSNPE VRYEVCDIPQ CSEVECMTCN GESYRGLMDH TESGKICQRW DHQTPHRHKF LPERYPDKGF DDNYCRNPDG QPRPWCYTLD PHTRWEYCAI KTCET.
Background
What is the molecular weight/Mw of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein has a total Mw of 29.8kDa.

What is the source or expression system of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
Escherichia Coli.

What is the Purity of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein is >80% pure as determined by SDS-PAGE.

What is the Biological Activity of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
What is the molecular weight/Mw of HGF (32-285) HUMAN Protein? HGF (32-285) HUMAN Protein has a total Mw of 29.8kDa. What is the source or expression system of HGF (32-285) HUMAN Protein? Escherichia Coli. What is the Purity of HGF (32-285) HUMAN Protein? HGF (32-285) HUMAN Protein is >80% pure as determined by SDS-PAGE. What is the Biological Activity of HGF (32-285) HUMAN Protein? The biological functionality of HGF (32-285) HUMAN Protein will be determined in the future. What is the amino acid sequence of HGF (32-285) HUMAN Protein? MQRKRRNTIH EFKKSAKTTL IKIDPALKIK TKKVNTADQC ANRCTRNKGL PFTCKAFVFD KARKQCLWFP FNSMSSGVKK EFGHEFDLYE NKDYIRNCII GKGRSYKGTV SITKSGIKCQ PWSSMIPHEH SYRGKDLQEN YCRNPRGEEG GPWCFTSNPE VRYEVCDIPQ CSEVECMTCN GESYRGLMDH TESGKICQRW DHQTPHRHKF LPERYPDKGF DDNYCRNPDG QPRPWCYTLD PHTRWEYCAI KTCET. What applications can HGF (32-285) HUMAN Protein be used in? HGF (32-285) HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow. What is the endotoxin level for HGF (32-285) HUMAN Protein? The endotoxin level is minimal, HGF (32-285) HUMAN Protein was purified using conventional chromatography techniques.

What is the amino acid sequence of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
MQRKRRNTIH EFKKSAKTTL IKIDPALKIK TKKVNTADQC ANRCTRNKGL PFTCKAFVFD KARKQCLWFP FNSMSSGVKK EFGHEFDLYE NKDYIRNCII GKGRSYKGTV SITKSGIKCQ PWSSMIPHEH SYRGKDLQEN YCRNPRGEEG GPWCFTSNPE VRYEVCDIPQ CSEVECMTCN GESYRGLMDH TESGKICQRW DHQTPHRHKF LPERYPDKGF DDNYCRNPDG QPRPWCYTLD PHTRWEYCAI KTCET.

What applications can HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein be used in?
HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
The endotoxin level is minimal, HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Aldo-Keto Reductase Family 1 Member C1 Human Recombinant

DDH1, DDH, HAKRC, 20-alpha-HSD, DD1/DD2, HBAB, C9, DD1, H-37, MBAB, MGC8954, 2-ALPHA-HSD, AKR1C1, Aldo-keto reductase family 1 member C1, 20-alpha-hydroxysteroid dehydrogenase, Trans-1,2-dihydrobenzene-1,2-diol dehydrogenase, Indanol dehydrogenase, Dihydrodiol dehydrogenase 1/2, Chlordecone reductase homolog HAKRC, High-affinity hepatic bile acid-binding protein

Product # :

ENZ-1130

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Quantity :

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Shipped with Ice Packs

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source
formulation
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biological activity
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Description

AKR1C1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 323 amino acids (1-323) and having a molecular mass of 36.7 kDa.AKR1C1 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The AKR1C1 solution (1mg/ml) contains 20% Glycerol, 0.1M NaCl and 20mM Tris-HCl buffer (pH 8.5).

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

Specific activity is > 500pmol/min/ug. It is defined by the amount of enzyme that catalyzes oxidation of 1.0pmole 1-Acenaphthenol in the presence of NADP per minute at pH 8.8 at 25˚C.

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Introduction
Aldo-keto reductase family 1 member C1 or AKR1C1 is an enzyme, part of the aldo/keto reductase family that holds over 40 familiar proteins. AKR1C1 promotes the conversion of ketones & aldehydes to their alcohol forms by using cofactors such as NADH & NADPH. AKR1C1 promotes the progesterone reduction to its inactive molecule form 20-alpha-hydroxy-progesterone.
Synonyms
DDH1, DDH, HAKRC, 20-alpha-HSD, DD1/DD2, HBAB, C9, DD1, H-37, MBAB, MGC8954, 2-ALPHA-HSD, AKR1C1, Aldo-keto reductase family 1 member C1, 20-alpha-hydroxysteroid dehydrogenase, Trans-1,2-dihydrobenzene-1,2-diol dehydrogenase, Indanol dehydrogenase, Dihydrodiol dehydrogenase 1/2, Chlordecone reductase homolog HAKRC, High-affinity hepatic bile acid-binding protein
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MDSKYQCVKL NDGHFMPVLG FGTYAPAEVP KSKALEATKL AIEAGFRHID SAHLYNNEEQ VGLAIRSKIA DGSVKREDIF YTSKLWCNSH RPELVRPALE RSLKNLQLDY VDLYLIHFPV SVKPGEEVIP KDENGKILFD TVDLCATWEA VEKCKDAGLA KSIGVSNFNR RQLEMILNKP GLKYKPVCNQ VECHPYFNQR KLLDFCKSKD IVLVAYSALG SHREEPWVDP NSPVLLEDPV
LCALAKKHKR TPALIALRYQ LQRGVVVLAK SYNEQRIRQN VQVFEFQLTS EEMKAIDGLN RNVRYLTLDI FAGPPNYPFS DEY

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Influenza-B Virus Malaysia 2506/04 Recombinant

Product # :

IHA-033

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Quantity :

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Shipped with Ice Packs

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purity
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Description

Recombinant Full-Length B/Malaysia/2506/2004 is glycosylated with N-linked sugars, produced using baculovirus vectors in insect cells. The MW is approximately 72,000 Dalton.

Source

Baculovirus Insect Cells.

Formulation

The Recombinant B/Malaysia/2506/2004 solution contains 10mM Sodium Phosphate, pH 7.0 and 150mM NaCl, 0.005% Tween-20.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
Influenza-B virus is a genus in the virusfamily Orthomyxoviridae. The only species in this genus is called "Influenza B virus". Influenza B virus only infects humansand seals. This limited host range is apparently in contrast with those caused by the similar Influenza virus Aas both mutate by both genetic drift and reassortment. Influenza-B virus evolves slower than A viruses and faster than C viruses. Influenza-B virus mutates at a rate 2-3 times lower than type A. However, influenza B mutates enough that lasting immunity is not possible. The Influenza B virus capsidis enveloped while its virionconsists of a matrix protein + envelope + nucleoprotein complex + nucleocapsid, and a polymerasecomplex. Influenza B is sometimes spherical and sometimes filamentous. Its 500 or so surface projections are made of hemagglutinin and neuraminidase. The Influenza B virus is 14648 nucleotideslong and consists of eight segments of linear negative-sense, single-stranded RNA. The multipartite genome is encapsidated, each segment in a separate nucleocapsid, and the nucleocapsids are surrounded by one envelope.
Physical Appearance
Sterile Filtered colorless solution.
Stability
B/Malaysia/2506/2004 Recombinant should be stored at 4°C.
Immunological Activity
Western-Blot 0.1µg -1µg per strip, ELISA 1µg/Well.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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