Search: 1000 results found for "Influenza"

Description:

Interferon-gamma Human Recombinant, His Tag Active

Immune Interferon, type II interferon, T cell interferon, MAF, IFNG, IFG, IFI, IFN-gamma.

Product # :

CYT-1053

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SDS-PAGE

Description

IFNG Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 159 amino acids (24-161 a.a) and having a molecular mass of 18.4kDa. IFNG is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

IFNG protein solution (1mg/ml) containing Phosphate buffered saline (pH 7.4) and 20% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

Biological Activity

Measured in a cytotoxicity assay using WiDr cells. The ED50 for this effect is ≤ 5 ng/ml.

SDS-PAGE

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Introduction
IFN-gamma produced by lymphocytes activated by specific antigens or mitogens.
IFN-gamma, in addition to having antiviral activity, has important immunoregulatory functions, it is a potent activator of macrophages, and has antiproliferative effects on transformed cells and it can potentiate the antiviral and antitumor effects of the type I interferons.
Synonyms
Immune Interferon, type II interferon, T cell interferon, MAF, IFNG, IFG, IFI, IFN-gamma.
Physical Appearance
Sterile Filtered colorless liquid.
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 MQDPYVKEAE NLKKYFNAGH SDVADNGTLF LGILKNWKEE SDRKIMQSQI VSFYFKLFKN FKDDQSIQKS VETIKEDMNV KFFNSNKKKR DDFEKLTNYS VTDLNVQRKA IHELIQVMAE LSPAAKTGKR KRSQMLFRG.
Background
What is the molecular weight/Mw of IFNG HUMAN, HIS ACTIVE Protein?
IFNG HUMAN, HIS ACTIVE Protein has a total Mw of 18.4kDa.

What is the source or expression system of IFNG HUMAN, HIS ACTIVE Protein?
Escherichia Coli.

What is the Purity of IFNG HUMAN, HIS ACTIVE Protein?
IFNG HUMAN, HIS ACTIVE Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNG HUMAN, HIS ACTIVE Protein?
Measured in a cytotoxicity assay using WiDr cells. The ED50 for this effect is ≤ 5 ng/ml.

What is the amino acid sequence of IFNG HUMAN, HIS ACTIVE Protein?
MGSSHHHHHH SSGLVPRGSH MQDPYVKEAE NLKKYFNAGH SDVADNGTLF LGILKNWKEE SDRKIMQSQI VSFYFKLFKN FKDDQSIQKS VETIKEDMNV KFFNSNKKKR DDFEKLTNYS VTDLNVQRKA IHELIQVMAE LSPAAKTGKR KRSQMLFRG.

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

What is the endotoxin level for IFNG HUMAN, HIS ACTIVE Protein?
The endotoxin level is minimal, IFNG HUMAN, HIS ACTIVE 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:

IFN-Beta 1a Human Recombinant

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

Product # :

CYT-236

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Description

IFN-beta 1a Human Recombinant produced in CHO (Chinese Hamster Ovarian) cells is a single, glycosylated polypeptide chain containing 166 amino acids and having a molecular mass of 22500 Dalton.IFN-beta1a is purified by proprietary chromatographic techniques.

Source

CHO (Chinese Hamster Ovarian) cells.

Formulation

Lyophilized from a solution containing 91 mg Human Albumin, and 620 mg mannitol and 50mM Acetate acid pH 3.8.

Purity

Greater than 99.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The specific activity as determined in a viral resistance assay (human "Wish" cell line and VSV virus or the monkey VERO cell line with EMCV virus) was found to be 270 x 10⁶ IU/mg.

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Introduction
IFN-beta has antiviral, antibacterial and anticancer activities.
Synonyms
Leukocyte IFN, B cell IFN, Type I IFN, IFNB1, IFB, IFF, IFNB, IFN-b 1a ,MGC96956.
Stability
Lyophilized IFN-beta 1a although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-Beta1a 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 IFN beta 1a in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Background
What is the molecular weight/Mw of IFN BETA 1A HUMAN Protein?
IFN BETA 1A HUMAN Protein has a total Mw of 22.5kDa.

What is the source or expression system of IFN BETA 1A HUMAN Protein?
CHO (Chinese Hamster Ovarian) cells.

What is the Purity of IFN BETA 1A HUMAN Protein?
IFN BETA 1A HUMAN Protein is >99% pure as determined by SDS-PAGE.

What is the Biological Activity of IFN BETA 1A HUMAN Protein?
The specific activity as determined in a viral resistance assay (human "Wish" cell line and VSV virus or the monkey VERO cell line with EMCV virus) was found to be 270 x 106 IU/mg.

What is the amino acid sequence of IFN BETA 1A HUMAN Protein?
IFN BETA 1A HUMAN Protein is composed from 166 amino acids.

What applications can IFN BETA 1A HUMAN Protein be used in?
IFN BETA 1A HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFN BETA 1A HUMAN Protein?
The endotoxin level is minimal, IFN BETA 1A 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:

Interferon-Omega 1 Human Recombinant, HEK

IFN omega-1, IFN alpha-II-1, IFNW1.

Product # :

CYT-1225

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Description

IFNW1 Human Recombinant is a single, glycosylated, polypeptide chain (22-195 a.a) containing a total of 180 amino acids and having a molecular mass of 20.9 kDa. IFNW1 is fused to a 6 a.a his-Tag at C-terminus and is purified by proprietary chromatographic techniques.

Source

HEK293 Cells.

Formulation

The IFNW1 solution (1mg/ml) contains 10% Glycerol and Phosphate-Buffered Saline (pH 7.4).

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

The ED50 is ≤0.07 ng/ml, measured in a cytotoxicity assay using TF-1 human erythroleukemic cells .

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Synonyms
IFN omega-1, IFN alpha-II-1, IFNW1.
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
LGCDLPQNHG LLSRNTLVLL HQMRRISPFL CLKDRRDFRF PQEMVKGSQL QKAHVMSVLH EMLQQIFSLF HTERSSAAWN MTLLDQLHTG LHQQLQHLET CLLQVVGEGE SAGAISSPAL TLRRYFQGIR VYLKEKKYSD CAWEVVRMEI MKSLFLSTNM QERLRSKDRD LGSSHHHHHH.
Background
Interferons, a family of signaling proteins, play a pivotal role in the immune system’s defense against viral infections and other threats. Among these, Interferon W1 (IFNW1), a member of the Type I interferon family, has emerged as a key player in orchestrating antiviral responses and modulating immune reactions. This research embarks on a detailed exploration of the IFNW1 protein, unveiling its structural intricacies, signaling pathways, and its broader implications in immune regulation and disease. By delving into IFNW1, scientists aim to comprehend the nuances of its functions, decipher its interactions within the complex interferon network, and explore its potential applications in therapeutic interventions and beyond.
Structural Insights into IFNW1:
IFNW1, like other Type I interferons, exhibits a unique tertiary structure that enables it to interact with specific cell surface receptors. This interaction triggers a cascade of events, leading to the activation of various antiviral genes and immune modulatory pathways. Understanding the structural basis of IFNW1 is crucial for elucidating its binding affinities, biological activities, and its significance in immune responses.
Signaling Pathways and Antiviral Defense:
IFNW1 engages with its cognate receptors, initiating Janus kinase (JAK)-Signal Transducer and Activator of Transcription (STAT) signaling pathways. This activation leads to the transcription of interferon-stimulated genes (ISGs) with potent antiviral properties. IFNW1’s ability to induce an antiviral state in infected and neighboring cells is fundamental for restricting viral replication and curtailing the spread of infections. Additionally, IFNW1 plays a role in modulating adaptive immune responses, contributing to the broader immune defense mechanisms.
IFNW1 in Immunomodulation and Disease:
Beyond its antiviral functions, IFNW1 is implicated in immunomodulation and disease pathogenesis. Dysregulation of IFNW1 signaling is associated with autoimmune disorders, including lupus and rheumatoid arthritis, highlighting its involvement in immune-related diseases. Moreover, IFNW1 is being explored in cancer immunotherapy, where its ability to modulate the tumor microenvironment and enhance immune surveillance presents opportunities for novel treatment strategies.
Therapeutic Potential and Future Prospects:
The unique properties of IFNW1, particularly its role in immune regulation and antiviral defense, position it as a potential therapeutic target. Research efforts are directed towards harnessing its immunomodulatory functions for developing therapies against infectious diseases, autoimmune disorders, and certain cancers. Additionally, understanding IFNW1’s interactions with other components of the immune system opens avenues for innovative approaches in personalized medicine and targeted immunotherapies.
IFNW1 Protein, as an integral component of the interferon network, stands as a sentinel in the body’s defense against viral invasions and immune dysregulations. Its multifaceted roles in antiviral defense, immune modulation, and disease pathogenesis underscore its significance in biology and medicine. As researchers delve deeper into the intricacies of IFNW1, they pave the way for innovative therapies, immunomodulatory interventions, and a deeper understanding of immune responses. This research not only illuminates the pivotal role of IFNW1 but also holds the promise of transformative advancements in medicine, shaping the future of immunology and disease therapeutics.
What is the molecular weight/Mw of IFNW1 HUMAN, HEK Protein?
IFNW1 HUMAN, HEK Protein has a total Mw of 20.9kDa.

What is the source or expression system of IFNW1 HUMAN, HEK Protein?
HEK293 Cells.

What is the Purity of IFNW1 HUMAN, HEK Protein?
IFNW1 HUMAN, HEK Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNW1 HUMAN, HEK Protein?
The ED50 is ≤0.07 ng/ml, measured in a cytotoxicity assay using TF-1 human erythroleukemic cells .

What is the amino acid sequence of IFNW1 HUMAN, HEK Protein?
LGCDLPQNHG LLSRNTLVLL HQMRRISPFL CLKDRRDFRF PQEMVKGSQL QKAHVMSVLH EMLQQIFSLF HTERSSAAWN MTLLDQLHTG LHQQLQHLET CLLQVVGEGE SAGAISSPAL TLRRYFQGIR VYLKEKKYSD CAWEVVRMEI MKSLFLSTNM QERLRSKDRD LGSSHHHHHH.

What applications can IFNW1 HUMAN, HEK Protein be used in?
IFNW1 HUMAN, HEK Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFNW1 HUMAN, HEK Protein?
The endotoxin level is minimal, IFNW1 HUMAN, HEK 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:

SARS-Associated Coronavirus Envelope Recombinant, His Tag

Product # :

SARS-004

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Description

The E.coli derived recombinant protein contains the Envelope protein 1-76 amino acids immunodominant regions fused to 6xHis tag at C-terminal.

Source

Escherichia Coli.

Formulation

SARS Envelope protein solution is supplied in PBS.

Purity

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

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Introduction
SARS Associated Coronavirus Envelope is a small membrane protein that takes major part in the life cycle of the virus. This protein is needed for the assembly, budding, creation of the envelope and pathogenesis. This protein contains 3 outer structural proteins, the membrane (M), envelope (E), and spike (S) proteins. Spike (S)-glycoprotein of the virus interacts with a cellular receptor and mediates membrane fusion to assure viral entry thetarget cells. Accordingly, S-protein has a major part in virus infection cycle and is the mainly target of neutralizing antibodies.
Physical Appearance
Sterile Filtered clear solution.
Stability
Protein is shipped on ice packs. Upon arrival, Store at -20°C.
Specificity
Immunoreactive with sera of SARS-infected individuals.
Purification Method
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:

HIV Type-O Envelope

Product # :

HIV-132

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Description

HIV type-O Envelope is a chemically synthesized peptidehaving a Mw of 2.6kda containing the HIV type-O transmembrane envelope-derived MVP5180 and consensus sequence. Detects all clades of HIV-type O infected individuals responding to HIV-type O envelope proteins. Detects HIV-type O infected individuals responding to HIV envelope antibodies.

Formulation

1 mg/ml in water.

Purity

Greater than 95.0% as determined by HPLC analysis and SDS-PAGE.

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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. Lentiviruses are transmitted as single-stranded, positive-sense, enveloped RNA viruses. Upon entry of the target cell, the viral RNA genomeis converted to double-stranded DNAby a virally encoded reverse transcriptasethat is present in the virus particle. This viral DNA is then integrated into the cellular DNA by a virally encoded integraseso that the genome can be transcribed. Once the virus has infected the cell, two pathways are possible: either the virus becomes latentand the infected cell continues to function, or the virus becomes active and replicates, and a large number of virus particles are liberated that can then infect other cells.
Physical Appearance
Sterile filtered colorless clear solution.
Stability
HIV type-O although stable at 20°C for 1 week, should be stored between 2-8°C. Please do NOT freeze.
Specificity
Immunoreactive with all sera of HIV type-O 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:

Coronavirus 2019-nCoV Spike Glycoprotein-S1 Receptor Binding Domain Recombinant,SF9

Severe acute respiratory syndrome coronavirus 2, COVID-19, COVID-19 virus, COVID19, HCoV-19, Human coronavirus 2019, SARS-2, SARS-CoV2, SARS2, Wuhan coronavirus, Wuhan seafood market pneumonia virus, SARS-CoV-2 SP RBD, 2019-nCoV SP RBD, 2019-nCoV, 2019-nCoV; Spike RBD Protein.

Product # :

SARS-049

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Description

Recombinant Coronavirus 2019-nCoV Spike Glycoprotein-S1 Receptor Binding Domain is a single, glycosylated polypeptide chain containing a total of 232 amino acids (319-541) and having a calculated Mw of 26.2 kDa. CoV-2 S1 (319-541) is fused to a 6 amino acid His-tag at C-terminus,and is purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

CoV-2 S1 (319-541) solution (0.25mg/ml) contains Phosphate-Buffered Saline (pH 7.4) containing 10% glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

Measured by its binding ability in a functional ELISA with Human ACE-2 (CAT# enz-1159).

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Introduction
A human infecting coronavirus (viral pneumonia) called 2019 novel coronavirus, 2019-nCoV was found in the fish market at the city of Wuhan, Hubei province of China on December 2019.The 2019-nCoV shares an 87% identity to the 2 bat-derived severe acute respiratory syndrome 2018 SARS-CoV-2 located in Zhoushan of eastern China. 2019-nCoV has an analogous receptor-BD-structure to that of 2018 SARS-CoV, even though there is a.a. diversity so thus the 2019-nCoV might bind to ACE2 receptor protein (angiotensin-converting enzyme 2) in humans.While bats are probably the host of 2019-nCoV, researchers suspect that animal from the ocean sold at the seafood market was an intermediate host. RSCU analysis proposes that the 2019-nCoV is a recombinant within the viral spike glycoprotein between the bat coronavirus and an unknown coronavirus.
Synonyms
Severe acute respiratory syndrome coronavirus 2, COVID-19, COVID-19 virus, COVID19, HCoV-19, Human coronavirus 2019, SARS-2, SARS-CoV2, SARS2, Wuhan coronavirus, Wuhan seafood market pneumonia virus, SARS-CoV-2 SP RBD, 2019-nCoV SP RBD, 2019-nCoV, 2019-nCoV; Spike RBD 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
ADPRVQPTES IVRFPNITNL CPFGEVFNAT RFASVYAWNR KRISNCVADY SVLYNSASFS TFKCYGVSPT KLNDLCFTNV YADSFVIRGD EVRQIAPGQT GKIADYNYKL PDDFTGCVIA WNSNNLDSKV GGNYNYLYRL FRKSNLKPFE RDISTEIYQA GSTPCNGVEG FNCYFPLQSY GFQPTNGVGY QPYRVVVLSF ELLHAPATVC GPKKSTNLVK NKCVNFHHHH HH

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 Type-O gp41 Recombinant

Product # :

HIV-133

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Description

HIV Type-O gp41 recombinant, containing 250 a.a. of the HIV Type-O immunodominant regions from gp41 protein is fused with a Beta-galactosidase at N-terminus having a total Mw of 94kDa.

Source

Escherichia Coli.

Formulation

1.5M urea, 25mM Tris-HCl pH 8.0 and 50% Glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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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. Lentiviruses are transmitted as single-stranded, positive-sense, enveloped RNA viruses. Upon entry of the target cell, the viral RNA genomeis converted to double-stranded DNAby a virally encoded reverse transcriptasethat is present in the virus particle. This viral DNA is then integrated into the cellular DNA by a virally encoded integraseso that the genome can be transcribed. Once the virus has infected the cell, two pathways are possible: either the virus becomes latentand the infected cell continues to function, or the virus becomes active and replicates, and a large number of virus particles are liberated that can then infect other cells.
Physical Appearance
Sterile filtered colorless clear solution.
Stability
HIV Type-O 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 type-O 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:

Coronavirus 2019 Nucleocapsid (127 a.a.), Recombinant

Product # :

SARS-043

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Description

The E.Coli derived recombinant protein contains the Coronavirus 2019 C-terminal region 127 a.a. from the Nucleocapsid protein and fused to GST-6xHis tag at N-terminal and having a Mw. of 39.4 kDa.

Source

E.Coli.

Formulation

CoV-2 Nucleocapsid protein solution is supplied in 50mM Tris-HCl pH 8, 1M Urea, and 50% Glycerol.

Purity

CoV-2 Nucleocapsid protein is >95% pure as determined SDS-PAGE.

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Introduction
A human infecting coronavirus (viral pneumonia) called 2019 novel coronavirus, 2019-nCoV was found in the fish market at the city of Wuhan, Hubei province of China on December 2019.
The 2019-nCoV shares an 87% identity to the 2 bat-derived severe acute respiratory syndrome 2018 SARS-CoV-2 located in Zhoushan of eastern China. 2019-nCoV has an analogous receptor-BD-structure to that of 2018 SARS-CoV, even though there is a.a. diversity so thus the 2019-nCoV might bind to ACE2 receptor protein (angiotensin-converting enzyme 2) in humans.
While bats are possibly the host of 2019-nCoV, researchers suspect that animal from the ocean sold at the seafood market was an intermediate host. RSCU analysis proposes that the 2019-nCoV is a recombinant within the viral spike glycoprotein between the bat coronavirus and an unknown coronavirus.
Physical Appearance
Sterile Filtered clear solution.
Stability
CoV-2 Spike Protein is shipped on ice packs. Upon arrival, Store at -20°C.
Purification Method
NTA Sepharose-Affinity Purification.

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:

Dengue Virus Subtype 2, Premembrane Recombinant

Product # :

DEN-028

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Description

Recombinant dengue 2 premembrane is a whole length peptide expressed from E. coil with 18kDa in size. PreM is considered as a signal peptide responsible for dengue envelope translocation in cells. Experiment showed it can elicit protective immune response, it is considered as a potentialtarget for vaccine development. Recombinant dengue 2 PreM is fused with a 6xHis tag.

Source

Escherichia Coli.

Formulation

phosphate buffer saline and 0.25mM k2co3.

Purity

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

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Introduction
Caused by one of four closely related virus serotypes of the genus Flavivirus, family Flaviviridae, each serotype is sufficiently different that there is no cross-protection and epidemics caused by multiple serotypes (hyperendemicity) can occur. In cell culture experiments and mice Morpholino antisense oligos have shown specific activity against Dengue virus.
Physical Appearance
Sterile filtered colorless solution.
Stability
Recombinant dengue 2 premembrane although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Amino Acid Sequence
FHLTTRNGEPHMIVSRQEKGKSLLFKTEDGVNMCTLMAMDLGELCEDTI
TYNCPLLRQNEPEDIDCWCNSTSTWVTYGTCTTTGEHRREKRSVALVP
HVGMGLETRTETWMSSEGAWKHAQRIETWILRHPGFTIMAAILAYTIGT
TYFQRVLIFILLTAVAPSMT

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:

Varicella Zoster Virus ORF9 Recombinant

Product # :

VZV-232

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Description

The E.Coli derived recombinant protein contains the VZV ORF9 immunodominant regions, amino acids 6-28, 76-100.

Formulation

25mM Tris-Hcl pH 8.0, 1mM EDTA and 50% glycerol.

Purity

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

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Introduction
VZV is closely related to the herpes simplex viruses(HSV), sharing much genomehomology. The known envelope glycoproteins (gB, gC, gE, gH, gI, gK, gL) correspond with those in HSV, however there is no equivalent of HSV gD. VZV virons are spherical and 150-200 nm in diameter. Their lipidenvelope encloses the nucleocapsid of 162 capsomeres arranged in a hexagonalform. Its DNAis a single, linear, double-stranded molecule, 125,000 nt long. The virus is very susceptible to disinfectants, notably sodium hypochlorite. Within the body it can be treated by a number of drugs and therapeutic agents including aciclovir, zoster-immune globulin(ZIG), and vidarabine.
Stability
Varicella protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Specificity
Immunoreactive with sera of VZV-infected individuals.
Purification Method
Varicella 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:

Hepatitis E Virus ORF3 Recombinant

Product # :

HEV-273

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Description

The e.coli derived HEV protein is fused with beta-galactosidase at the N-Terminus and contains the HEV immunodominant ORF3 92-123 a.a.

Formulation

20mM Tris-HCl, pH-8, 10mM B-ME and 8M urea.

Purity

Greater than 95.0% as determined by Analysis by SDS-PAGE.

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Introduction
Hepatitis E virus (HEV), the major etiologic agent of enterically transmitted non-A, non-B hepatitis worldwide, is a spherical, non-enveloped, single stranded RNA virus that is approximately 32 to 34 nm in diameter. HEV belongs to a genus of HEV-like viruses (unassigned genus). HEV has a single-stranded polyadenylated RNA genome of approximately 8 kb. Based on its physicochemical properties it is presumed to be a calici-like virus.
Stability
HEV ORF3 protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Specificity
Immunoreactive with sera HEV-infected individuals.
Purification Method
HEV ORF3 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:

Zika Envelope N-Terminal Recombinant

Product # :

ZKV-009

Price :

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Description

Zika Envelope N protein is a peptide partially derived from zika envelope N terminal containing 270 amino acids, having an Mw of 30kDa and the Isoelectric point is 6.37. The Zika Envelope N protein is fused to a 6xHis tag at C-terminus and purified by proprietary chromatographic technique.

Source

Escherichia Coli.

Formulation

Zika Envelope N protein solution contains PBS with 0.05% NaN3.

Purity

Zika Envelope N protein is >95% pure as determined by SDS-PAGE.

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Introduction
Zika virus (ZIKV) belongs to the family Flaviviridae and the genus Flavivirus, it is transmitted by daytime-active Aedes mosquitoes, such as A. aegypti and A. albopictus. The Zika virus is related to the dengue, yellow fever, Japanese encephalitis, and West Nile viruses. Much like the other flaviviruses, Zika virus is enveloped and icosahedral and has a nonsegmented, single-stranded, positive-sense RNA genome. Zika fever is an infection, which often causes no symptoms or only mild ones, like a mild form of dengue fever, and it is treated by rest. As of February 2016, there has been mounting evidence that Zika fever in pregnant women can cause abnormal brain development in their fetuses by mother-to-child transmission, which may result in miscarriage or microcephaly, however it is not yet known whether Zika virus causes microcephaly. Furthermore, a connection has been established with neurologic conditions in infected adults, including Guillain–Barre syndrome. Since the 1950s, Zika virus has been detected only within a narrow equatorial belt from Africa to Asia. Between the years 2013 and 2014, Zika virus has spread eastward across the Pacific Ocean to French Polynesia, New Caledonia, the Cook Islands, and Easter Island, and in 2015 to Mexico, Central America, the Caribbean, and South America, where the Zika outbreak has reached pandemic levels.
Physical Appearance
Sterile Filtered solution.
Stability
Zika Envelope N protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Applications
Each laboratory should determine an optimum working titer for use in its particular application.

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:

IFN-Alpha 1 Human Recombinant

IFNA1, IFN-alpha 1, IFN -a.

Product # :

CYT-291

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
source
formulation
purity
More Info
SDS-PAGE

Description

IFNA1 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 167 amino acids (24-189) and having a molecular mass of 19.5 kDa. The IFN-alpha 1 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

1mg/ml in phosphate-buffered saline (PBS), pH 7.4.

Purity

Greater than 95.0% as determined by SDS-PAGE.

SDS-PAGE

More Info

Introduction
IFNs are cytokines that are widely known to induce potent anti-viral activity. IFN-a exerts a variety of other biological effects, including antitumor and immunomodulatory activities and are increasingly used clinically to treat a range of malignancies, myelodysplasias and autoimmune diseases.
Synonyms
IFNA1, IFN-alpha 1, IFN -a.
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
MCDLPETHSL DNRRTLMLLA QMSRISPSSC LMDRHDFGFP QEEFDGNQFQ KAPAISVLHE LIQQIFNLFT TKDSSAAWDE DLLDKFCTEL YQQLNDLEAC VMQEERVGET PLMNVDSILA VKKYFRRITL YLTEKKYSPC AWEVVRAEIM RSLSLSTNLQ ERLRRKE.
Background
What is the molecular weight/Mw of IFNA1 HUMAN Protein?
IFNA1 HUMAN Protein has a total Mw of 19.5kDa.

What is the source or expression system of IFNA1 HUMAN Protein?
Escherichia Coli.

What is the Purity of IFNA1 HUMAN Protein?
IFNA1 HUMAN Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNA1 HUMAN Protein?
The biological functionality of IFNA1 HUMAN Protein will be determined in the future.

What is the amino acid sequence of IFNA1 HUMAN Protein?
MCDLPETHSL DNRRTLMLLA QMSRISPSSC LMDRHDFGFP QEEFDGNQFQ KAPAISVLHE LIQQIFNLFT TKDSSAAWDE DLLDKFCTEL YQQLNDLEAC VMQEERVGET PLMNVDSILA VKKYFRRITL YLTEKKYSPC AWEVVRAEIM RSLSLSTNLQ ERLRRKE.
What applications can IFNA1 HUMAN Protein be used in?
IFNA1 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFNA1 HUMAN Protein?
The endotoxin level is minimal, IFNA1 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:

SARS-Associated Coronavirus Spike (408-470, 540-573 a.a.), Recombinant

Product # :

SARS-009

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
source
formulation
purity
More Info

Description

The E.coli derived recombinant protein contains the Spike (408-470, 540-573 a.a.) protein immunodominant regions fused to 6xHis tag at C-terminal.

Source

Escherichia Coli.

Formulation

SARS Spike protein solution is supplied in PBS.

Purity

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

More Info

Introduction
Severe acute respiratory syndrome (SARS) has a new causative agent identified as Coronavirus. SARS Associated Coronavirus Spike is one of the main surface antigens of Coronavirus, making it one of the main candidates for vaccines. Diseases caused by Coronaviruses are usually controlled by CD8 T cells.
Physical Appearance
Sterile Filtered clear solution.
Stability
Protein is shipped on ice packs. Upon arrival, Store at -20°C.
Specificity
Immunoreactive with sera of SARS-infected individuals.
Purification Method
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:

Zika Envelope Domain-III Recombinant

Product # :

ZKV-008

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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description
source
formulation
purity
More Info

Description

The E.Coli derived Zika Envelope domain-III is a non-glycosylated polypeptide chain having a molecular mass of 11 kDa and fused to a His tag at N-terminus.

Source

Escherichia Coli.

Formulation

Lyophilized from 1mg/ml in 20mM sodium carbonate pH-10.

Purity

Greater than 95.0% as determined by SDS-PAGE.

More Info

Introduction
Zika virus (ZIKV) belongs to the family Flaviviridae and the genus Flavivirus, it is transmitted by daytime-active Aedes mosquitoes, such as A. aegypti and A. albopictus. The Zika virus is related to the dengue, yellow fever, Japanese encephalitis, and West Nile viruses. Much like the other flaviviruses, Zika virus is enveloped and icosahedral and has a nonsegmented, single-stranded, positive-sense RNA genome. Zika fever is an infection, which often causes no symptoms or only mild ones, like a mild form of dengue fever, and it is treated by rest. As of February 2016, there has been mounting evidence that Zika fever in pregnant women can cause abnormal brain development in their fetuses by mother-to-child transmission, which may result in miscarriage or microcephaly, however it is not yet known whether Zika virus causes microcephaly. Furthermore, a connection has been established with neurologic conditions in infected adults, including Guillain–Barre syndrome.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Store the lyophilized Zika Envelope between 2-8°C, do not freeze. Upon reconstitution Zika Envelope should be stored at 4°C for 6 months and for future use below -18°C. Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Zika Envelope Domain-3 protein in sterile 18M-cm H2O at 1mg/ml, which can then be further diluted to other aqueous solutions.

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:

Mouse Anti Human Interleukin-2 receptor FITC

CD25, IL2R, TCGFR, IL-2RA, sIL-2RA, TAC antigen, sIL-2R, IDDM10, p55 TypeMouse Anti Human Monoclonal.

Product # :

ANT-072

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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formulation
More Info

Formulation

1mg/ml in PBS (after reconstitution).

More Info

Introduction
IL2-Ra is one of the three constituent subunits of the IL2 receptor. IL-2Ra is released into the serum after increased cellular expression such as increased activation of B and T cells. Clinical manifestations of IL2-Ra elevation include autoimmune conditions and some leukemias and lymphomas.
Synonyms
CD25, IL2R, TCGFR, IL-2RA, sIL-2RA, TAC antigen, sIL-2R, IDDM10, p55 TypeMouse Anti Human Monoclonal.
Solubility
Reconstitute with sterile H20. Mix gently, wash the sides of the vial and wait 30-60 seconds before use.
Immunogen
Con A-activated human T cells.
Ig Subclass
Mouse IgG2a.
Clone
YNRhIL2R.
Titer
This antibody will stain 70% of PHA-activated human T cells (by FACS). 10µl will stain 106 IL-2R positive cells for FACS analysis or sorting.
Shipping Conditions
Antibody is shipped lyophilized at ambient temperature.
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.

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:

SARS-Associated Coronavirus Nucleocapsid Core Recombinant

Product # :

SARS-255

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
formulation
purity
More Info

Description

The E.Coli derived 35 kDa recombinant protein contains Nucleocapsid protein 1-49, 192-220 amino acids immunodominant regions. The 2 regions are separated with 3 glycine residues.

Formulation

50mM Tris-HCl, pH-8, 60mM NaCl and 50% glycerol.

Purity

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

More Info

Introduction
SARS Coronavirus is an enveloped virus containing three outer structural proteins, namely the membrane (M), envelope (E), and spike (S) proteins. Spike (S)-glycoprotein of the virus interacts with a cellular receptor and mediates membrane fusion to allow viral entry into susceptible target cells. Accordingly, S-protein plays an important role in virus infection cycle and is the primary target of neutralizing antibodies.
Stability
SARS Core protein is shipped at ambient temperature. Upon arrival, store at -20C.
Applications
SARS Core antigen is suitable for ELISA and Western blots, excellent antigen for detection of SARS with minimal specificity problems.
Specificity
SARS Core protein is Immunoreactive with sera of SARS-infected individuals.
Purification Method
SARS Core 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-alpha 1 Porcine Recombinant

Interferon alpha-1, Interferon-alpha, IFN-alpha-1, IFNA1, IFN-ALPHA-1, IFN1

Product # :

CYT-1197

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
source
formulation
purity
More Info

Description

IFA1 porcine Recombinant produced in HEK293 cells is a single, glycosylated polypeptide chain (a.a 24-189) containing 176 amino acids and having a molecular mass of 20.2kDa.IFA1 is fused to a 6 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.

Source

HEK293 cells.

Formulation

IFA1 protein (1mg/ml) contains 10% glycerol and Phosphate-Buffered Saline (pH 7.4).

Purity

Greater than 90.0% as determined by SDS-PAGE.

More Info

Introduction
IFNs are cytokines that are widely known to induce potent anti-viral activity. IFN-a exerts a variety of other biological effects, including antitumor and immunomodulatory activities and are increasingly used clinically to treat a range of malignancies, myelodysplasias and autoimmune diseases.
Synonyms
Interferon alpha-1, Interferon-alpha, IFN-alpha-1, IFNA1, IFN-ALPHA-1, IFN1
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
DGSMCDLPQT HSLAHTRALR LLAQMRRISP FSCLDHRRDF GSPHEAFGGN QVQKAQAMAL VHEMLQQTFQ LFSTEGSAAA WNESLLHQFC TGLDQQLRDL EACVMQEAGL EGTPLLEEDS ILAVRKYFHR LTLYLQEKSY SPCAWEIVRA EVMRSFSSSR NLQDRLRKKE HHHHHH
Background
What is the molecular weight/Mw of IFNA1 PORCINE Protein?
IFNA1 PORCINE Protein has a total Mw of 20.2kDa.

What is the source or expression system of IFNA1 PORCINE Protein?
HEK293 cells.

What is the Purity of IFNA1 PORCINE Protein?
IFNA1 PORCINE Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNA1 PORCINE Protein?
The biological functionality of IFNA1 PORCINE Protein will be determined in the future.

What is the amino acid sequence of IFNA1 PORCINE Protein?
DGSMCDLPQT HSLAHTRALR LLAQMRRISP FSCLDHRRDF GSPHEAFGGN QVQKAQAMAL VHEMLQQTFQ LFSTEGSAAA WNESLLHQFC TGLDQQLRDL EACVMQEAGL EGTPLLEEDS ILAVRKYFHR LTLYLQEKSY SPCAWEIVRA EVMRSFSSSR NLQDRLRKKE HHHHHH

What applications can IFNA1 PORCINE Protein be used in?
IFNA1 PORCINE Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFNA1 PORCINE Protein?
The endotoxin level is minimal, IFNA1 PORCINE 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:

Interferon Alpha And Beta Receptor Mouse Recombinant

IFN-R-1, IFN-alpha/beta receptor 1, Type I interferon receptor 1, Ifar, Ifnar, Infar CD118 and Ifnar1.

Product # :

CYT-994

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
source
formulation
purity
More Info
SDS-PAGE

Description

IFNAR1 Mouse Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 411 amino acids (27-429a.a) and having a molecular mass of 46.8kDa (Molecular size on SDS-PAGE will appear at approximately 40-57kDa).IFNAR1 is fused to an 6 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

IFNAR1 protein solution (0.5mg/ml) contains Phosphate buffered saline (pH7.4) and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

SDS-PAGE

More Info

Introduction
Interferon Alpha And Beta Receptor, also known IFNAR1, belongs to the class II cytokine receptor family. IFNAR1 protein forms one of the two chains of a receptor for interferons alpha as well as beta. IFNAR1 binds and activates the receptor which stimulates Janus protein kinases, which in turn phosphorylate some proteins, including STAT1 & STAT2. Furthermore, IFNAR1 also functions as an antiviral factor.
Synonyms
IFN-R-1, IFN-alpha/beta receptor 1, Type I interferon receptor 1, Ifar, Ifnar, Infar CD118 and Ifnar1.
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
ENLKPPENID VYIIDDNYTL KWSSHGESMG SVTFSAEYRT KDEAKWLKVP ECQHTTTTKC EFSLLDTNVY IKTQFRVRAE EGNSTSSWNE VDPFIPFYTA HMSPPEVRLE AEDKAILVHI SPPGQDGNMW ALEKPSFSYT IRIWQKSSSD KKTINSTYYV EKIPELLPET TYCLEVKAIH PSLKKHSNYS TVQCISTTVA NKMPVPGNLQ VDAQGKSYVL KWDYIASADV LFRAQWLPGY SKSSSGSRSD KWKPIPTCAN VQTTHCVFSQ DTVYTGTFFL HVQASEGNHT SFWSEEKFID SQKHILPPPP VITVTAMSDT LLVYVNCQDS TCDGLNYEII FWENTSNTKI SMEKDGPEFT LKNLQPLTVY CVQARVLFRA LLNKTSNFSE KLCEKTRPGS FSTLEHHHHH H
Background
What is the molecular weight/Mw of IFNAR1 MOUSE Protein?
IFNAR1 MOUSE Protein has a total Mw of 46.8kDa.

What is the source or expression system of IFNAR1 MOUSE Protein?
Sf9, Baculovirus cells.
What is the Purity of IFNAR1 MOUSE Protein?
IFNAR1 MOUSE Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNAR1 MOUSE Protein?
The biological functionality of IFNAR1 MOUSE Protein will be determined in the future.

What is the amino acid sequence of IFNAR1 MOUSE Protein?
ENLKPPENID VYIIDDNYTL KWSSHGESMG SVTFSAEYRT KDEAKWLKVP ECQHTTTTKC EFSLLDTNVY IKTQFRVRAE EGNSTSSWNE VDPFIPFYTA HMSPPEVRLE AEDKAILVHI SPPGQDGNMW ALEKPSFSYT IRIWQKSSSD KKTINSTYYV EKIPELLPET TYCLEVKAIH PSLKKHSNYS TVQCISTTVA NKMPVPGNLQ VDAQGKSYVL KWDYIASADV LFRAQWLPGY SKSSSGSRSD KWKPIPTCAN VQTTHCVFSQ DTVYTGTFFL HVQASEGNHT SFWSEEKFID SQKHILPPPP VITVTAMSDT LLVYVNCQDS TCDGLNYEII FWENTSNTKI SMEKDGPEFT LKNLQPLTVY CVQARVLFRA LLNKTSNFSE KLCEKTRPGS FSTLEHHHHH H

What applications can IFNAR1 MOUSE Protein be used in?
IFNAR1 MOUSE Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFNAR1 MOUSE Protein?
The endotoxin level is minimal, IFNAR1 MOUSE 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:

Ebola Zaire Recombinant Protein

Product # :

EVD-078

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
source
formulation
purity
More Info

Description

Nucleoprotein (NP) of Ebola virus has strong antigenicity in immune reactions. C-terminal of EBO-Z nucleoprotein was expressed and purified from E. coli, it migrated at 15kDa on SDS-PAGE and pI is 4.87. Ebola Zaire is fused to a c-terminal his tag and purified by a proprietary chromatographic technique.

Source

Escherichia Coli.

Formulation

Ebola Zaire protein solution is supplied in Phosphate buffer and 0.02% sodium azide.

Purity

>95% pure as determined by 12% SDS-PAGE (Coomassie blue stain).

More Info

Introduction
Ebolavirus (EVD) belongs to the Filoviridae family of proteins which is comprised of a single-strand, non-infectious RNA genome. EVD genome is about 19,000 base pairs long and covers 7 genes in the order 3'-UTR-NP-VP35-VP40-GP-VP30-VP24-L-5'-UTR. There are 4 different ebolaviruses such as: Zaire (EBO-Z), Sudan (EBO-S), Cote d’Ivoire (EBO-CI) and Reston (EBO-R) that differ in amino acid sequence and location of where the gene overlaps. Similar to filoviruses and ebolavirions, EVD is a filamentous element that could appear in 3 forms: shepherd's crook, U shape or a 6 shape. Ebolaviruses may be coiled, toroid, or branched. Most ebolavirions are 80nm wideand 14,000nm long.
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:

Interferon-gamma Feline Recombinant

Interferon gamma, IFN-gamma, IFNG.

Product # :

CYT-998

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
source
formulation
purity
More Info
SDS-PAGE

Description

IFNG Feline Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 167 amino acids (24-167 a.a) and having a molecular mass of 19.3kDa.IFNG is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

IFNG protein solution (1mg/ml) containing PBS buffer (pH 7.4) and 10% glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

SDS-PAGE

More Info

Introduction
IFN-gamma produced by lymphocytes activated by specific antigens or mitogens.
IFN-gamma, in addition to having antiviral activity, has important immunoregulatory functions, it is a potent activator of macrophages, and has antiproliferative effects on transformed cells and it can potentiate the antiviral and antitumor effects of the type I interferons.
Synonyms
Interferon gamma, IFN-gamma, IFNG.
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 MGSQAMFFKE IEELKGYFNA SNPDVADGGS LFVDILKNWK EESDKTIIQS QIVSFYLKMF ENLKDDDQRI QRSMDTIKED MLDKLLNTSS SKRDDFLKLI QIPVNDLQVQ RKAINELFKV MNDLSPRSNL RKRKRSQNLF RGRRASK.
Background
What is the molecular weight/Mw of IFNG FELINE Protein?
IFNG FELINE Protein has a total Mw of 19.3kDa.

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

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

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

What is the amino acid sequence of IFNG FELINE Protein?
MGSSHHHHHH SSGLVPRGSH MGSQAMFFKE IEELKGYFNA SNPDVADGGS LFVDILKNWK EESDKTIIQS QIVSFYLKMF ENLKDDDQRI QRSMDTIKED MLDKLLNTSS SKRDDFLKLI QIPVNDLQVQ RKAINELFKV MNDLSPRSNL RKRKRSQNLF RGRRASK.

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

What is the endotoxin level for IFNG FELINE Protein?
The endotoxin level is minimal, IFNG FELINE 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:

Dengue Virus Subtype 4 Envelope 45kDa Recombinant

Product # :

DEN-024

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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description
source
formulation
purity
More Info

Description

Recombinant Dengue Virus Subtype 4 Envelope 45kDa (a.a 43-413) is produced in E.coli. This protein is fused to a 6xHis tag at C-terminus.

Source

E.coli.

Formulation

PBS and 25mM arginine.

Purity

Protein is >95% pure as determined by 12% PAGE (coomassie staining).

More Info

Introduction
Dengue fever is affected by 1 of 4 closely linked virus serotypes of the genus Flavivirus, family Flaviviridae. One might have dengue fever infected by the different serotype virus after the primary infection. Detection of particular antibodies to dengue viruses is used for the diagnosis in clinic. Recently, lateral flow rapid test products have become a most suitable and known method in the clinical diagnosis. Though, there is difficulty for manufacturers to have the dengue antigens with a whole coverage for Dengue IgG & IgM recognition for all 4 serotype infections as well as with colloid gold binding ability. 8 dengue antigens have been established for the lateral flow products which are well defined for their coverage of dengue IgG & IgM recognition. The researcher can select the products below based on their own specific application.
Stability
Dengue Envelope-4 45kDa although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Purification Method
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-Alpha 2b Human Recombinant, Yeast

Interferon alpha 2b, IFNA, INFA2, IFN-? 2b, MGC125764, MGC125765.

Product # :

CYT-460

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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description
source
formulation
purity
biological activity
More Info

Description

Interferon-alpha 2b Human Recombinant produced in yeast is a single, glycosylated, polypeptide chain containing 165 amino acids and having a molecular mass of approximately 19.3 kDa.The IFN-a 2b is purified by proprietary chromatographic techniques.

Source

Saccharomyces cerevisiae.

Formulation

Lyophilized from a 0.2μm filtered concentrated solution in PBS, pH-7.4 and 0.02% Tween-20.

Purity

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

Biological Activity

The specific activity as determined by an anti-viral assay was found to be no less than 1.6 x10⁸IU/mg.

More Info

Introduction
IFN-alpha is produced by macrophages and has antiviral activities. Interferon stimulates the production of two enzymes: protein kinase and an oligoadenylate synthetase.
Synonyms
Interferon alpha 2b, IFNA, INFA2, IFN-? 2b, MGC125764, MGC125765.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized glycosilated IFN-a 2b although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-alpha 2b 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 glycosilated IFN alpha 2b in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
CDLPQTHSLG SRRTLMLLAQ MRRISLFSCL KDRHDFGFPQ EEFGNQFQKA ETIPVLHEMI QQIFNLFSTK DSSAAWDETL LDKFYTELYQ QLNDLEACVI QGVGVTETPL MKEDSILAVR KYFQRITLYL KEKKYSPCAW EVVRAEIMRS FSLSTNLQES LRSKE.
Background
What is the molecular weight/Mw of IFN A 2B HUMAN, YEAST Protein?
IFN A 2B HUMAN, YEAST Protein has a total Mw of 19.3kDa.

What is the source or expression system of IFN A 2B HUMAN, YEAST Protein?
Saccharomyces cerevisiae.

What is the Purity of IFN A 2B HUMAN, YEAST Protein?
IFN A 2B HUMAN, YEAST Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of IFN A 2B HUMAN, YEAST Protein?
The specific activity as determined by an anti-viral assay was found to be no less than 1.6 x108IU/mg.

What is the amino acid sequence of IFN A 2B HUMAN, YEAST Protein?
CDLPQTHSLG SRRTLMLLAQ MRRISLFSCL KDRHDFGFPQ EEFGNQFQKA ETIPVLHEMI QQIFNLFSTK DSSAAWDETL LDKFYTELYQ QLNDLEACVI QGVGVTETPL MKEDSILAVR KYFQRITLYL KEKKYSPCAW EVVRAEIMRS FSLSTNLQES LRSKE.

What applications can IFN A 2B HUMAN, YEAST Protein be used in?
IFN A 2B HUMAN, YEAST Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFN A 2B HUMAN, YEAST Protein?
The endotoxin level is minimal, IFN A 2B HUMAN, YEAST 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:

IFN-Gamma Human Recombinant

Immune IFN, type II IFN, T cell IFN, MAF, IFNG, IFG, IFI, IFN-gamma.

Product # :

CYT-206

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Shipped at Room temp

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Description

IFN-gamma Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 144 amino acids and having a molecular mass of 17kDa.The IFN-gamma is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from a 0.2µm filtered concentrated solution in PBS pH 4.6.

Purity

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

Biological Activity

The specific activity as determined in a viral resistance assay is < 0.05 ng/ml, corresponding to a specific activity of 2.0 x 10,000,000 IU/mg.

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Introduction
IFN-gamma produced by lymphocytes activated by specific antigens or mitogens.
IFN-gamma, in addition to having antiviral activity, has important immunoregulatory functions, it is a potent activator of macrophages, and has antiproliferative effects on transformed cells and it can potentiate the antiviral and antitumor effects of the type I IFNs.
Synonyms
Immune IFN, type II IFN, T cell IFN, MAF, IFNG, IFG, IFI, IFN-gamma.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized IFN gamma although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-gamma 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 IFN-gamma in sterile distilled water or 20mM AcOH not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MQDPYVKEAE NLKKYFNAGH SDVADNGTLF LGILKNWKEE SDRKIMQSQI VSFYFKLFKN FKDDQSIQKS VETIKEDMNV KFFNSNKKKR DDFEKLTNYS VTDLNVQRKA IHELIQVMAE LSPAAKTGKR KRSQMLFQGR RASQ.
Background
IFN-gamma Human
About IFN-gamma Human:
IFN-gamma, often known as interferon gamma (and originally known as immune interferon), is a soluble, dimerized cytokine that is the only interferon in the type II class. Besides its primary function in preventing the spread of the vesicular stomatitis virus, interferon gamma release assays are extensively employed in the diagnosis of tuberculosis. IFN-gamma, encoded by the IFNG gene in humans, controls immunological responses by cell signaling, particularly through the JAK-STAT pathway. Subsequently, interferon gamma plays a crucial role in cancer immunotherapy by preventing tumor growth, managing immune defenses against pathogens and monitoring cells activity. In this article we will delve into the science behind IFN-gamma and explain its significance in biomedical research.

Description:
IFN-gamma Human Recombinant is a single non-glycosylated, polypeptide chain containing 144 amino acids and having a molecular mass of 17kDa that its original source is Escherichia Coli. This product appears as a sterile-filtered white lyophilized powder, ensuring purity and stability. Its formulation involves lyophilization from a filtered concentrated solution in PBS (pH 4.6). Its purity is determined both by analysis by RP-HPLC and SDS-PAGE and is therefore greater than 98%. In terms of stability, lyophilized IFN gamma is stable at room temperature for three weeks. However, it is preferable to store it desiccated below -18°C. In any case, you should prevent freeze thaw cycles. Additionally, reconstitution of IFN-gamma is recommended in sterile distilled water or 20mM AcOH, maintaining a concentration of at least 100µg/ml.
Protein Function:
Interferon gamma is a key player in immune control. It is a protein that plays a major role in complex cell signaling networks. The JAK-STAT pathway, which is essential for immunological regulation, is triggered by IFN-gamma through its interaction with the heterodimeric receptor. IFN-gamma's ability to regulate inflammation, apoptosis, cytokine signaling, and cell proliferation through protein mediated signaling skills is crucial for maintaining immune vigilance and response mechanisms. The incorporation of IFN-gamma into our product is validated by protein quantitation using two independent methods: UV spectroscopy and RP-HPLC.
Applications and Usage:
IFN-gamma Human is tailored for laboratory research, serving as a vital tool in elucidating immune mechanisms, exploring antiviral features, and unraveling tumor suppressor functions.
Safety Information:
IFN-gamma Human is only intended to be used in laboratory research, in line with safety protocols. It emphasizes adherence to ethical and regulatory norms and is not designed for use as household chemicals, pharmaceuticals, agricultural goods, or food additives.
What is the molecular weight/Mw of IFNG HUMAN Protein?
IFNG HUMAN Protein has a total Mw of 17kDa.

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

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

What is the Biological Activity of IFNG HUMAN Protein?
The specific activity as determined in a viral resistance assay is < 0.05 ng/ml, corresponding to a specific activity of 2.0 x 10,000,000 IU/mg.

What is the amino acid sequence of IFNG HUMAN Protein?
MQDPYVKEAE NLKKYFNAGH SDVADNGTLF LGILKNWKEE SDRKIMQSQI VSFYFKLFKN FKDDQSIQKS VETIKEDMNV KFFNSNKKKR DDFEKLTNYS VTDLNVQRKA IHELIQVMAE LSPAAKTGKR KRSQMLFQGR RASQ.

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

What is the endotoxin level for IFNG HUMAN Protein?
The endotoxin level is minimal, IFNG HUMAN Protein was purified using conventional chromatography techniques.
Protein content
Protein quantitation was carried out by two independent methods: 1. UV spectroscopy at 280 nm using the absorbency value of 0.640 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a calibrated solution of IFN-g as a Reference Standard.

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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