Search: 1000 results found for "Glucagon"

Description:

C-Peptide

Product # :

HOR-046

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Description

C-Peptide Synthetic is a single, non-glycosylated polypeptide chain containing 31 amino acids, having a molecular mass of 3020 Dalton and a Molecular formula of C129H211N35O48S .

Formulation

The protein was lyophilized with no additives.

Purity

Greater than 97.0% as determined by analysis by RP-HPLC.

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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized C-Peptide although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution C-Peptide 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 C-Peptide in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
H-Glu-Ala-Glu-Asp-Leu-Gln-Val-Gly-Gln-Val-Glu-Leu-Gly-Gly-Gly-Pro-Gly-Ala-Gly-Ser-Leu-Gln-Pro-Leu-Ala-Leu-Glu-Gly-Ser-Leu-Gln-OH.
Background
C-peptide, a small peptide derived from proinsulin, has garnered increasing attention in recent years for its multifaceted physiological functions and clinical significance, particularly in the context of diabetes mellitus. While initially considered a mere byproduct of insulin synthesis, research has revealed that C-peptide exerts unique biological effects, extending beyond glycemic control. This research endeavors to comprehensively investigate the roles of C-peptide, shedding light on its diverse functions and potential applications in diabetes management and other areas of healthcare.
The primary objective of this study is to unravel the mechanisms underlying the physiological actions of C-peptide. In vitro experiments using cellular and tissue models will be conducted to explore how C-peptide interacts with cellular receptors and signaling pathways. This includes investigations into its influence on insulin secretion, glucose uptake, and endothelial function. Understanding these mechanisms is essential for delineating the potential therapeutic applications of C-peptide.
The second objective is to assess the clinical relevance of C-peptide in diabetes management. Clinical trials involving individuals with type 1 and type 2 diabetes will be conducted to evaluate the effects of exogenous C-peptide administration on glycemic control, insulin sensitivity, and microvascular complications. These studies may provide valuable insights into the use of C-peptide as an adjunct therapy in diabetes treatment.
The third objective is to explore the broader implications of C-peptide in healthcare. Research will investigate the potential role of C-peptide in conditions beyond diabetes, such as its effects on cardiovascular health, neuroprotection, and wound healing. Understanding the multifunctional properties of C-peptide may open up new avenues for therapeutic interventions in various medical specialties.
By delving into the diverse functions of C-peptide, this research aims to expand our knowledge of its physiological roles and clinical applications. The findings may lead to innovative approaches for diabetes management and offer insights into the broader healthcare implications of C-peptide.

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:

Chromogranin-A, Mouse Anti Human

CGA, CHGA, Vasostatin-2, Pituitary secretory protein I, SP-I.

Product # :

ANT-351

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Formulation

1mg/ml containing PBS, pH-7.4, & 0.1% Sodium Azide.

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Introduction
Chromgranin-A is part of the neuroendocrine secretory protein family. CHGA is located in secretory vesicles of neurons and endocrine cells. Chromgranin-A is a precursor to three biologically active peptides; vasostatin, pancreastatin, and parastatin. These peptides act as autocrine or paracrine negative modulators of the neuroendocrine system. Other peptides, including chromostatin, beta-granin, WE-14 and GE-25, are also derived from the full-length protein. Chromgranin-A has numerous biological activities on some tissues and organs and exerts a large spectrum of homeostatic actions, including antifungal and antimicrobial effect, modulation of cell adhesion, and inhibition of parathyroid hormone secretion.
Synonyms
CGA, CHGA, Vasostatin-2, Pituitary secretory protein I, SP-I.
Physical Appearance
Sterile Filtered colorless solution.
Immunogen
Anti-human CHGA mAb is derived from hybridization of mouse F0 myeloma cells with spleen cells from BALB/c mice immunized with recombinant human CHGA amino acids 19-131 purified from E. coli.
Ig Subclass
Mouse IgG1 heavy chain and κ light chain.
Clone
P3A5AT.
Applications
CHGA antibody has been tested by ELISA, Western blot and immunohistochemistry analysis to assure specificity and reactivity. Since application varies, however, each investigation should be titrated by the reagent to obtain optimal results. Recommended dilution range for Western blot is 1:500 ~ 1:1,000 and immunohistochemistry analysis is 1:100~200. Recommended starting dilution for Western blot is 1:500 and Immunohistochemistry is 1:100.
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
CHGA antibody was purified from mouse ascitic fluids by protein-G 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:

Glutaredoxin 2 Human Recombinant

Thioltransferase, Glutathione-dependent oxidoreductase 2, TTR, TTR1, GLRX2, GRX2, GRX-2, GLRX-2, Glutaredoxin 2, CGI133.

Product # :

ENZ-466

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Description

Glutaredoxin-2 Human Recombinant produced in E.Coli is a single, non-glycosylated, Polypeptide chain containing 154 amino acids (20-164 a.a.) and having a molecular mass of 17 kDa. The GRX2 is fused to 9 amino acid His tag at C-Terminus.

Source

Escherichia Coli.

Formulation

Glutaredoxin-2 solution (0.5mg/ml) contains 20mM Tris-HCl Buffer (pH 8.0), 0.1mM PMSF and 10% glycerol.

Purity

Purity of GRX2 is greater than 90% as determined by SDS-PAGE.

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Introduction
GLRX2 is a multifunctional enzyme with glutathione-dependent oxidoreductase, glutathione peroxidase and glutathione S-transferase (GST) activity. The disulfide bond functions as an electron carrier in the glutathione-dependent synthesis of deoxyribonucleotides by the enzyme ribonucleotide reductase. In addition, it is also involved in reducing cytosolic protein- and non-protein-disulfides in a coupled system with glutathione reductase. Required for resistance to reactive oxygen species (ROS) by directly reducing hydroperoxides and for the detoxification of ROS-mediated damage. Glutaredoxins are a family of glutathione-dependent hydrogen donors that participate in a variety of cellular redox reactions.
Synonyms
Thioltransferase, Glutathione-dependent oxidoreductase 2, TTR, TTR1, GLRX2, GRX2, GRX-2, GLRX-2, Glutaredoxin 2, CGI133.
Physical Appearance
Sterile Filtered clear 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
MSAGWLDRAA GAAGAAAAAA SGMESNTSSS LENLATAPVN QIQETISDNC VVIFSKTSCS YCTMAKKLFH DMNVNYKVVE LDLLEYGNQF QDALYKMTGE RTVPRIFVNG TFIGGATDTH RLHKEGKLLP LVHQCYLKKS KRKEFQLEHH HHHH.

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:

Chromogranin A Human Recombinant, Sf9

CHGA, CGA, Chromogranin-A, Vasostatin I, SP-I, Pituitary secretory protein I.

Product # :

PRO-2513

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Description

CHGA produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain (19-457 a.a.) and fused to a 6 aa His Tag at C-terminus containing a total of 448 amino acids and having a molecular mass of 50kDa.CHGA shows multiple bands between 50-70kDa on SDS-PAGE, reducing conditions and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

CHGA protein solution (0.25mg/ml) contains Phosphate Buffered Saline (pH 7.4), 20% glycerol & 0.1mM PMSF.

Purity

Greater than 85.0% as determined by SDS-PAGE.

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Introduction
Chromogranin-A Isoform 1 Preproprotein or CHGA is part of the neuroendocrine secretory proteins of the chromogranin/secretogranin family. CHGA is a precursor of numerus enzymes such as pancreastatin, catestatin, vasostatin-1,vasostatin-2, and parastatin. The protein acts as a negative regulator the neuroendocrine activity of autocrine or nearby cells (paracrine). CHGA causes further production of secretory granules that contains insulin in pancreatic islet beta cells.
Synonyms
CHGA, CGA, Chromogranin-A, Vasostatin I, SP-I, Pituitary secretory protein I.
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
ADLLPVNSPM NKGDTEVMKC IVEVISDTLS KPSPMPVSQE CFETLRGDER ILSILRHQNL LKELQDLALQ GAKERAHQQK KHSGFEDELS EVLENQSSQA ELKEAVEEPS SKDVMEKRED SKEAEKSGEA TDGARPQALP EPMQESKAEG NNQAPGEEEE EEEEATNTHP PASLPSQKYP GPQAEGDSEG LSQGLVDREK GLSAEPGWQA KREEEEEEEE EAEAGEEAVP EEEGPTVVLN PHPSLGYKEI RKGESRSEAL AVDGAGKPGA EEAQDPEGKG EQEHSQQKEE EEEMAVVPQG LFRGGKSGEL EQEEERLSKE WEDSKRWSKM DQLAKELTAE KRLEGQEEEE DNRDSSMKLS FRARAYGFRG PGPQLRRGWR PSSREDSLEA GLPLQVRGYP EEKKEEEGSA NRRPEDQELE SLSAIEAELE KVAHQLQALR RGHHHHHH.

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:

Growth Hormone Human Recombinant

GH1, GH, GHN, GH-N, hGH-N,Pituitary growth hormone, Growth hormone 1, Somatotropin.

Product # :

CYT-202

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Description

GH Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 191 amino acids and having a molecular mass of 22kDa. Growth Hormone is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

GH protein lyophilized from a 0.2µm filtered concentrated solution containing mannitol, and glycine.

Purity

Greater than 96.0% as determined by SDS-PAGE.

Biological Activity

The ED₅₀ was determined by the proliferation assay of rat lymphoma NB2-11 cells and was found to be less than 0.1ng/ml.

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Introduction
GH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. The gene, along with four other related genes, is located at the growth hormone locus on chromosome 17 where they are interspersed in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. The five genes share a remarkably high degree of sequence identity. Alternative splicing generates additional isoforms of each of the five growth hormones, leading to further diversity and potential for specialization. This particular family member is expressed in the pituitary but not in placental tissue as is the case for the other four genes in the growth hormone locus. Mutations in or deletions of the gene lead to growth hormone deficiency and short stature.
Synonyms
GH1, GH, GHN, GH-N, hGH-N,Pituitary growth hormone, Growth hormone 1, Somatotropin.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized GH although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution HGH 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 HGH in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
FPTIPLSRLF DNAMLRAHRL HQLAFDTYQE FEEAYIPKEQ KYSFLQNPQT SLCFSESIPT PSNREETQQK SNLELLRISL LLIQSWLEPV QFLRSVFANS LVYGASDSNV YDLLKDLEEG IQTLMGRLED GSPRTGQIFK QTYSKFDTNS HNDDALLKNY GLLYCFRKDM DKVETFLRIV QCRSVEGSCG F.

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:

Pramlintide

Product # :

HOR-300

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Description

Pramlintide Synthetic is a single, non-glycosylated polypeptide chain containing 37 amino acids, having a molecular mass of 3949.4 Dalton and a Molecular formula of C171H267N51O53S2.

Formulation

The protein was lyophilized with no additives.

Purity

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

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Introduction
Pramlintide acetate is a hormone that is released into the bloodstream, in a similar pattern as insulin. Pramlintide aids in the absorption of glucose by slowing gastric emptying, promoting satiety, and inhibiting inappropriate secretion of glucagon, a catabolic hormone that opposes the effects of insulin.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Pramlintide although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Pramlintide 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 Pramlintide in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions. The Pramlintide is also soluble in 1% Acetic Acid.
Amino Acid Sequence
KCNTATCATNRLANFLVHSSNNFGPILPPTNVGSNTY-NH2.

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:

Leptin Human Recombinant

OB Protein, Obesity Protein, OBS, Obesity factor.

Product # :

CYT-228

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Description

Leptin Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and having a molecular mass of 16 kDa.The Leptin is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3.

Purity

Greater than 95.0% as determined by:
(a) Analysis by Gel filtration.
(b) Analysis by SDS-PAGE.

Biological Activity

Biological Activity is evidenced by inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor.

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Introduction
A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.
Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leptin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leptin 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 Leptin in sterile water or 0.4% NaHCO3 pH-8-9, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-Gln.
Protein content
Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.87 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).

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:

Leptin Super Antagonist Rat Recombinant

Product # :

CYT-1240

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Description

Super Leptin Antagonist Rat Recombinant is a single polypeptide chain containing 146 amino acids. Super Rat Leptin Antagonist was mutated, resulting in D23L/L39A/D40A/F41A super Rat leptin antagonist that was purified by proprietary chromatographic techniques.

Source

Escherichia coli.

Formulation

The protein was lyophilized from a concentrated (1mg/ml) solution with 0.003mM NaHCO3.

Purity

Greater than 98.0% as determined by:

(a) Gel filtration analysis.

(b) Analysis by SDS-PAGE.

Biological Activity

ProSpec’s super Rat leptin antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Super Rat leptin antagonist also inhibits various leptin effects in several in vitro bioassays.

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Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Super Leptin Antagonist although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution of super Rat leptin antagonist at > 0.1 mg/ml and up to 2 mg/ml and filter sterilization super Rat leptin antagonist can be stored at 4C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Super Leptin Antagonist in sterile 0.4% NaHCO3 adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-His.
Background
Leptin is a hormone which takes part in regulating body weight, metabolism and reproductive function and is encoded by the obese gene. Leptin is expressed predominantly by adipocytes, which fits with the idea that body weight is sensed as the total mass of fat in the body. Smaller amounts of leptin are also secreted by cellsin the epithelium of the stomach and in the placenta. Leptin receptors are expressed mainly in areas of the hypothalamus which regulates body weight, as well as in T lymphocytes and vascular endothelial cells.

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:

Gliadin Triticum Aestivum Grain Native

Product # :

PRO-2675

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Description

The native Gliadin Triticum Aestivum Grain is purified from wheat by protein chemical methods.

Formulation

Gliadin is supplied in 20mM HEPES buffer pH-7.4 and 6M Urea.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Gliadin is a common substrate of transglutaminase, which generates neo-epitopes by deamidation of glutamine side chains. In the past, serologic tests for gliadin antibodies usually were not very precise and were not enough for accurate diagnosis due to missing deamidated epitopes within the authentic gliadin fraction traditionally used in diagnostic test kits. ProSpec's deamidated Gliadin isoform matches to the deamidated neo-epitopes, which in the natural antigen are formed by transglutaminase-mediated glutamine side chain deamidation.
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. Avoid multiple freeze-thaw cycles.
Immunological Functions
1. Binds IgG and IgA-type human auto antibodies in sera of patients diagnosed with celiac disease.2. Immunodot analysis with positive/negative samples.
Applications
Western blot with patient sample.

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:

Prolactin Pegylated Human Recombinant

Mammotropin, Luteotropic hormone, Luteotropin, PRL.

Product # :

CYT-1063

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Description

Prolactin Human Recombinant Pegylated produced in E.Coli is a single, non-glycosylated polypeptide chain containing 199 amino acids + an additional Ala at n-terminal. Pegylated Prolactin is mono-pegylated having a molecular mass of ~ 39 kDa, however under non-denaturing conditions it behaves as 220 kDa protein due to its increased hydrodynamic volume. The Pegylated Prolactin protein is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from a concentrated (1mg/ml) solution with 0.02-0.03% NaHCO3

Purity

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

Biological Activity

Pegylated Human Prolactin was tested for its biological functionality in-vitro by inducing proliferation of Nb2 cells or Baf/3 cells that were stably transfected with Human Prolactin receptors, though its activity is lower than human Prolactin. However, it is anticipated that its biological activity in vivo will be higher than human Prolactin due to prolonged persistence in circulation.

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Introduction
Prolactin is a neuroendocrine hormone synthesized primarily by the pituitary gland but also a variety of other cell types including the placenta, brain and uterus. Prolactin is secreted when eating, nursing, mating, estrogen treatment and during ovulation. Prolactin's primary role is to promote and maintain lactation but also plays a role in breast cancer development, regulation of reproductive function and immunoregulation.
Synonyms
Mammotropin, Luteotropic hormone, Luteotropin, PRL.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Prolactin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Prolactin 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 Prolactin in sterile 0.4% NaHCO3 pH-8-9, not less than 100µg/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:

Leptin Quadruple Antagonist Pegylated Ovine Recombinant

Product # :

CYT-1246

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Description

Leptin Antagonist Quadruple Mutant Ovine Recombinant is a single non-glycosilated polypeptide chain containing 146 amino acids and additional Ala at N-terminus. The Ovine Leptin antagonist was mutated, resulting in D23L/L39A/D40A/F41A mutant. The Ovine Leptin antagonist is bound to 20 kDa mono-PEG at N-terminus, resulting in 35.6 kDa. The Ovine Leptin Quadruple anatagonist Pegylated runs as a 48 kDa due to enlarged hydrodymanic volume. Leptin Antagonist Quadruple Mutant Ovine Recombinant was purified by proprietary chromatographic techniques.

Source

Escherichia coli.

Formulation

The Ovine Leptin Quadruple anatagonist was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.

Purity

Greater than 95.0% as determined by:

(a) Gel filtration analysis.

(b) Analysis by SDS-PAGE.

Biological Activity

Pegylated Ovine Leptin Quadruple Antagonist inhibits leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Pegylated recombinant Ovine leptin antagonist in vitro activity is 6-8 fold lower than the non-pegylated recombinant super Ovine leptin antagonist but is 15 fold higher as compared to pegylated recombinant super active ovine leptin antagonist.

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Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leptin Antagonist Quadruple Mutant Ovine Recombinant although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 mg/ml and up to 2mM and filter sterilization LEP mutant can be stored at 4°C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Leptin Antagonist Quadruple Mutant Ovine Recombinant in sterile water or sterile 0.4% NaHCO3adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted with other aqueous solutions.
Background
Leptin is mainly produced by adipocytes. Leptin’s main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene. Leptin effects mostly on leptin receptors in the cell mambrane of various cells in the human body. The leptin receptor can be found on a various cell types. The leptin receptor is a single-transmembrane-domain type 1 cytokine receptor. leptin levels influence satiety, appetite and triggers behaviours which save energy. High leptin levels are interpreted by the brain that energy reserves are high, whereas low leptin levels means that energy reserves are low, in the process adapting the organism to starvation through a variety of metabolic, neurobiochemical, endocrine and behavioral change.
Protein content
Protein quantization was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.2 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

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:

Adiponectin glycosylated Human Recombinant, HMW Rich

Acrp30, AdipoQ, GBP-28, APM-1, ACDC.

Product # :

CYT-764

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Description

Adiponectin Human Recombinant HMW Rich produced in HEK cells is a single, glycosylated, polypeptide chain (19-244) containing a total of 226 amino acids, having a molecular mass of 24.6kDa (calculated). Human Acrp30 HMW Rich migrates on SDS-PAGE under non-reducing conditions at ~ 884 kDa.

Source

HEK293.

Formulation

Acrp30 was filtered (0.4µm) and lyophilized from 0.5mg/ml in 20mM Tris, 50mM NaCl, pH 7.5 and 1mM CaCl2.

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
Adiponectin is a recently discovered 244 amino acid protein, the product of the apM1 gene, which is physiologically active and specifically and highly expressed in adipose cells (Adipokine). The protein belongs to the soluble defense collagen super family; it has a collagen-like domain structurally homologous with collagen VIII and X and complement factor C1q-like globular domain. APM-1 forms homotrimers, which are the building blocks for higher order complexes found circulating in serum.
Synonyms
Acrp30, AdipoQ, GBP-28, APM-1, ACDC.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
Stability
Store lyophilized protein at -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.
Solubility
It is recommended to add deionized water to a working concentration of 0.5mg/ml and let the lyophilized pellet dissolve completely. Acrp30 is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
Amino Acid Sequence
ETTTQGPGVL LPLPKGACTG WMAGIPGHPG HNGAPGRDGR DGTPGEKGEK GDPGLIGPKG DIGETGVPGA EGPRGFPGIQ GRKGEPGEGA YVYRSAFSVG LETYVTIPNM PIRFTKIFYN QQNHYDGSTG KFHCNIPGLY YFAYHITVYM KDVKVSLFKK DKAMLFTYDQ YQENNVDQAS GSVLLHLEVG DQVWLQVYGE GERNGLYADN DNDSTFTGFL LYHDTN.
Background
What is the molecular weight/Mw of ADIPONECTIN Protein?
ADIPONECTIN Protein has a total Mw of 24.6 kDa.

What is the source or expression system of ADIPONECTIN Protein?
HEK293.

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

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

What is the amino acid sequence of ADIPONECTIN Protein?
ETTTQGPGVL LPLPKGACTG WMAGIPGHPG HNGAPGRDGR DGTPGEKGEK GDPGLIGPKG DIGETGVPGA EGPRGFPGIQ GRKGEPGEGA YVYRSAFSVG LETYVTIPNM PIRFTKIFYN QQNHYDGSTG KFHCNIPGLY YFAYHITVYM KDVKVSLFKK DKAMLFTYDQ YQENNVDQAS GSVLLHLEVG DQVWLQVYGE GERNGLYADN DNDSTFTGFL LYHDTN.

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

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

Adiponectin Rat Recombinant

Adipocyte C1q and collagen domain-containing protein, Adipocyte complement-related 30kDa protein, Adipose most abundant gene transcript 1 protein, gelatin-binding protein, Acrp30, AdipoQ, GBP-28, APM-1, ACDC.

Product # :

CYT-831

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Quantity :

Shipping Method :

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Description

ACRP30 Rat Recombinant produced in 293 cell line is a polypeptide chain containing 238 amino acids and having a total molecular mass of 25.7 kDa. ACRP30 contains a C-Terminal linker (3 AA residue) and a C-Terminal Flag- tag (8 AA residue).

Source

HEK293 cell line.

Formulation

Filtered (0.4 µm) and lyophilized in 20 mM Tris buffer, 50 mM NaCl, pH 7.5.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
Adiponectin, also referred to as Acrp30, AdipoQ and GBP-28, is a recently discovered 244 amino acid protein, the product of the apM1 gene, which is physiologically active and specifically and highly expressed in adipose cells (Adipokine). The protein belongs to the soluble defense collagen super family; it has a collagen-like domain structurally homologous with collagen VIII and X and complement factor C1q-like globular domain. APM-1 forms homotrimers, which are the building blocks for higher order complexes found circulating in serum.
Synonyms
Adipocyte C1q and collagen domain-containing protein, Adipocyte complement-related 30kDa protein, Adipose most abundant gene transcript 1 protein, gelatin-binding protein, Acrp30, AdipoQ, GBP-28, APM-1, ACDC.
Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized ACRP30 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution ACRP30 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
Add deionized water to a working concentration approximately 0.5 mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by appropriate sterile filter before using it in the cell culture.
Amino Acid Sequence
GITATEGPGA LVPPPKETCA GWMAGIPGYP GHNGIPGRDG RDGTPGEKGE KGDAGVLGPK GDPGDAGMTG AEGPRGFPGT PGRKGEPGEA AYMYHSAFSV GLETRVTVPN VPIRFTKIFY NQQNHYDGST GKFHCNIPGL YYFSYHITVY MKDVKVSLFK KDKAVLFTYD QYQEKNVDQA SGSMLLHLEV GDQVWLQVYG EGDNNGLYAD NVNDSTFTGF LLYHDTNAAADYKDDDDK
Background
What is the molecular weight/Mw of ADIPONECTIN Protein?
ADIPONECTIN Protein has a total Mw of 25.7kDa.

What is the source or expression system of ADIPONECTIN Protein?
HEK293 cell line.

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

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

What is the amino acid sequence of ADIPONECTIN Protein?
GITATEGPGA LVPPPKETCA GWMAGIPGYP GHNGIPGRDG RDGTPGEKGE KGDAGVLGPK GDPGDAGMTG AEGPRGFPGT PGRKGEPGEA AYMYHSAFSV GLETRVTVPN VPIRFTKIFY NQQNHYDGST GKFHCNIPGL YYFSYHITVY MKDVKVSLFK KDKAVLFTYD QYQEKNVDQA SGSMLLHLEV GDQVWLQVYG EGDNNGLYAD NVNDSTFTGF LLYHDTNAAADYKDDDDK.

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

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

Helicobacter Pylori Cytotoxin-Associated Gene A Recombinant

Product # :

PRO-2494

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Description

CagA Pylori recombinant antigen is produced in E. coli expressing the H. pylori Cytotoxin-Associated Gene A having the Mw of 34 kDa. ADK is fused to a His-tag at C-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

CagA Pylori recombinant protein is formulated in 1xPBS pH 7.4.

Purity

Greater than 95% pure as determined by 12% PAGE (Coomassie staining).

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Introduction
Helicobacter pylori is a Gram negative bacteria which colonizes in the human stomach and stimulates gastric mucosal inflammations leading to acute gastritis-associated diseases among them are atrophic gastritis, peptic ulcer and gastric cancer.
H. pylori is found in half of the world’s population and is defined as a group I carcinogens. .
An important virulence factor of H. pylori is Cytotoxin-associated gene A (CagA) which is located at the end of an approximately 40-kb cluster of genes called cag pathoge¬nicity island (PAI).
Cag PAI encodes a type-IV secretion system and transfers CagA protein into the intracellular region of gastric epithelial cell.
This relocation induces cellular hyper proliferation, apoptosis and leading to failure of gastric epithelial cell in maintaining its normal cytoskeletal structure. Furthermore it increases the secretion of cytokines such as tumor necrosis factor (TNF) and interleukin (IL) 1, 6 and 8 by the epithelial cells.
The IL-8 leads to extreme inflammatory responses and also stimulates the production of oxygen free radicals that could cause DNA damage to adjacent cells and lead to genetic modifications of gastric epithelial cells which are carcinogenic.
Physical Appearance
Sterile filtered colorless solution.
Stability
CagA Pylori 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:

Melanotan-II

Melanotan-II, MT-II, Melanotan.

Product # :

HOR-289

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Description

The molecular formula of Melanotan-II is C50H69N15O9. It has the amino acid sequence of Ac-Nle-cyclo [Asp-His-D-Phe-Arg-Trp-Lys]-NH2 and a molecular weight of 1024.2 Dalton. The CAS Number is 121062-08-6.

Formulation

The protein (1mg/ml) was lyophilized with no additives.

Purity

Greater than 99% as determined by by RP-HPLC.

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Introduction
Melanotan and Melanotan-II are both analogs of the peptide hormone alpha melanocyte stimulating hormone (a-MSH) that tend to induce skin tanning. Unlike Melanotan, Melanotan-II has the additional effect of increasing libido. Melanotan II has aphrodisiac properties.
Synonyms
Melanotan-II, MT-II, Melanotan.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Melanotan-II although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution MT-II 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 Melanotan-II in sterile 18MΩ-cm H2O not less than 100 µg/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:

Elamipretide

SS-31, MTP-131, Bendavia.

Product # :

HOR-040

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Quantity :

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HPLC, MS
Citations

Description

Elamipretide Synthetic is a single, non-glycosylated polypeptide chain containing 4 amino acids, having a molecular mass of 639.79 Dalton and a Molecular formula of C32H49N9O5
.

Source

Synthetic Peptide

Formulation

The protein was lyophilized with no additives.

Purity

Greater than 97.0% as determined by analysis by RP-HPLC.

HPLC, MS

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Synonyms
SS-31, MTP-131, Bendavia.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Elamipretide although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Elamipretide 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 Elamipretide in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
H-D-Arg-(2',6'-dimethyl-Tyr)-Lys-Phe-NH2
Background
What is the molecular weight/Mw of Elamipretide Protein?
Elamipretide Protein has a total Mw of 639Da.
What is the source or expression system of Elamipretide Protein?
Synthetic peptide

What is the Purity of Elamipretide Protein?
Elamipretide Protein is >97% pure as determined by SDS-PAGE.

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

What is the amino acid sequence of Elamipretide Protein?
H-D-Arg-(2',6'-dimethyl-Tyr)-Lys-Phe-NH2

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

What is the endotoxin level for Elamipretide Protein?
The endotoxin level is minimal, Elamipretide Protein was purified using conventional chromatography techniques.
Elamipretide (also known as SS-31) is a novel mitochondrial-targeted peptide with immense promise as a therapeutic agent in mitochondrial dysfunction-related disorders. This research paper aims to provide a comprehensive analysis of Elamipretide, delving into its biochemical properties, mechanisms of action, and potential applications in various disease conditions.
Elamipretide, a mitochondria-targeting tetrapeptide, has garnered attention for its unique ability to protect mitochondria from oxidative stress and attenuate mitochondrial dysfunction (Siegel et al., 2013). This paper endeavors to explore Elamipretide's biochemical basis and its potential as a therapeutic agent in various diseases linked to mitochondrial impairment.
Elamipretide selectively accumulates within the inner mitochondrial membrane, where it exerts its cytoprotective effects. By reducing reactive oxygen species (ROS) production and enhancing electron transport chain efficiency, Elamipretide plays a crucial role in mitochondrial homeostasis (Kloner et al., 2015).
The mitochondrial protective actions of Elamipretide arise from its interaction with cardiolipin, a phospholipid predominantly localized in the inner mitochondrial membrane. By binding to cardiolipin, Elamipretide stabilizes mitochondrial cristae, improves membrane integrity, and enhances oxidative phosphorylation (Minkler et al., 2015).
Elamipretide's potential applications extend to a myriad of disease conditions characterized by mitochondrial dysfunction. In preclinical studies, Elamipretide has shown promise in mitigating tissue damage following ischemia-reperfusion injury, preserving cardiac function after myocardial infarction, and ameliorating neurodegenerative processes (Birk et al., 2017; Cho et al., 2015).
As the research on Elamipretide progresses, further investigation is warranted to better understand its pharmacokinetics, long-term safety, and potential off-target effects. Clinical trials exploring its therapeutic efficacy in human diseases offer exciting prospects for the future.
Elamipretide, a mitochondria-targeting peptide, emerges as a promising candidate in combating mitochondrial dysfunction-related disorders. Its unique ability to stabilize mitochondrial membranes and enhance cellular bioenergetics positions Elamipretide as a novel therapeutic option for a diverse range of diseases.

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 B Surface Antigen, adw Recombinant

Product # :

HBS-872

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Description

HbsAg adw produced Pichia Pastoris, having a molecular weight of approximately 24.0 kDa as shown on SDS-PAGE.

Source

Pichia Pastoris.

Formulation

Sterile Filtered solution containing 20mM Phosphate Buffer, 154mM sodium chloride, pH 7.1.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
HBsAg is the surface antigenof the Hepatitis-B-Virus (HBV). The capsidof a virus has different surface proteins from the rest of the virus. The antigen is a protein that binds specifically on one of these surface proteins. It is commonly referred to as the Australian Antigen.
Physical Appearance
Sterile Filtered pale solution.
Stability
HBsAg Should be stored at 4°C.DO NOT FREEZE.

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:

Menopausal Gonadotropin Human

Product # :

HOR-251

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Description

Menopausal Gonadotropin Human is produced from a sterile preparation of placental glucoprotein urine of post-menopausal women.The MG is purified by proprietary chromatographic techniques.

Source

Urine of post-menopausal women.

Formulation

The Human MG was lyophilized from a concentrated (1mg/ml) solution with no additives.

Biological Activity

100 IU/mg of FSH and 100 IU/mg LH.

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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Menopausal Gonadotropin Human although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution MG 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 MG in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Contaminants
Free of: HbsAg, Hepatitis B surface antigen and antibodies to HIV, Hepatitis C and HIV.

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:

Glutamine Synthetase Human Recombinant, Active

Glutamine synthetase, GLUL Active, GLUL, Glutamine Synthetase, Active, GLNS, GS, PIG43, PIG59, Glutamate decarboxylase (EC:4.1.1.15), Glutamate--ammonia ligase.

Product # :

ENZ-974

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Description

GLUL Recombinant Human produced in E.Coli is a single, non-glycosylated polypeptide chain containing 373 amino acids (1-373) and having a molecular mass of 42kDa.

Source

Escherichia Coli.

Formulation

GLUL protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH8.0), 10% glycerol 1mM DTT and 0.1mM PMSF.

Purity

Greater than 85.0% as determined by SDS-PAGE.

Biological Activity

Specific activity is > 2.000 pmol/min/ug, and is defined as the amount of enzyme that convert L-glutamate to L-glutamine per miunte at pH 7.5 at 37C in coupled system with PK/LDH.

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Introduction
GLUL catalyzes the synthesis of glutamine from glutamate and ammonia. Glutamine is a major source of energy and that takes part in cell proliferation, inhibition of apoptosis, and cell signaling. GLUL is expressed during early fetal stages, and has a role in maintaining body pH by removing ammonia from circulation. Mutations in GLUL gene are related with congenital glutamine deficiency.
Synonyms
Glutamine synthetase, GLUL Active, GLUL, Glutamine Synthetase, Active, GLNS, GS, PIG43, PIG59, Glutamate decarboxylase (EC:4.1.1.15), Glutamate--ammonia ligase.
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
MTTSASSHLN KGIKQVYMSL PQGEKVQAMY IWIDGTGEGL RCKTRTLDSE PKCVEELPEW NFDGSSTLQS EGSNSDMYLV PAAMFRDPFR KDPNKLVLCE VFKYNRRPAE TNLRHTCKRI MDMVSNQHPW FGMEQEYTLM GTDGHPFGWP SNGFPGPQGP YYCGVGADRA YGRDIVEAHY RACLYAGVKI AGTNAEVMPA QWEFQIGPCE GISMGDHLWV ARFILHRVCE DFGVIATFDP KPIPGNWNGA GCHTNFSTKA MREENGLKYI EEAIEKLSKR HQYHIRAYDP KGGLDNARRL TGFHETSNIN DFSAGVANRS ASIRIPRTVG QEKKGYFEDR RPSANCDPFS VTEALIRTCL LNETGDEPFQ YKN.

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:

Leptin Quadruple Antagonist Mouse Recombinant

OB Protein, Obesity Protein, OBS, Obesity factor.

Product # :

CYT-1257

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Leptin Quadruple Antagonist Mouse Recombinant is a single non-glycosilated polypeptide chain containing 146 amino, an additional Ala at N-terminus and having a molecular mass of ~ 16 kDa. The Leptin antagonist was mutated, resulting in D23L/L39A/D40A/F41A mutant. Leptin Quadruple Antagonist Mouse Recombinant was purified by proprietary chromatographic techniques.

Source

Escherichia coli.

Formulation

The Mouse Leptin Quadruple anatagonist was lyophilized from a concentrated (1mg/ml) solution with 0.003mM NaHCO3.

Purity

Greater than 98.0% as determined by:

(a) Gel filtration analysis.

(b) Analysis by SDS-PAGE.

Biological Activity

Leptin Quadruple Antagonist Mouse Recombinant is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Mouse Leptin Quadruple Antagonist also inhibits various leptin effects in several in vitro bioassays. The inhibitory activity of Mouse Leptin Quadruple Antagonist was increased 14 to 60 fold as measured by various criteria such as binding properties to human leptin binding domain and in vitro and in vivo bioassays as compared to mouse leptin antagonist.

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Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leptin Antagonist Quadruple Mouse Recombinant although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1mg/ml and up to 2mM and filter sterilization LEP Antagonist can be stored at 4°C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Leptin Antagonist Quadruple Mouse Recombinant in sterile water or sterile 0.4% NaHCO3 adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted with other aqueous solutions.
Amino Acid Sequence
The sequence of the first five N-terminal amino acids of mouse super-active leptin antagonist was determined and was found to be Ala-Val-Pro-Ile-Gln.
Background
Leptin is produced by adipocytes and its main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene and effects mainly on leptin receptors in the cell mambrane of various cells in the human body. The leptin receptor is found on a wide range of cell types. The leptin receptor is a single-transmembrane-domain type 1 cytokine receptor. leptin levels influence satiety, appetite and triggers behaviours which lead to energy savings High leptin levels are interpreted by the brain that energy reserves are high, whereas low leptin levels means that energy reserves are low, in the process adapting the organism to starvation through a variety of metabolic, neurobiochemical, endocrine and behavioral change.
Protein content
Protein quantization was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.2 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

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:

Glutaredoxin 5 Human Recombinant

Glutaredoxin-related protein 5 mitochondrial, Monothiol glutaredoxin-5, GLRX5, C14orf87, glutaredoxin 5, GRX5, FLB4739, PR01238, PRO1238, MGC14129.

Product # :

ENZ-480

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Quantity :

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Description

GLRX5 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 177 amino acids (1-157 a.a.) and having a molecular mass of 18.8 kDa. GRX5 is fused to a 20 amino acid His Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

GLRX5 solution containing 20mM Tris-HCl buffer (pH8.0), 20% glycerol and 0.1M NaCl.

Purity

Greater than 85% as determined by SDS-PAGE.

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Introduction
GLRX5 is small redox enzyme of approximately 100 amino acids which uses glutathione as a cofactor. GLRX5 is a mitochondrial protein, which is evolutionarily conserved. GLRX5 is oxidized by substrates, and reduced non-enzymatically by glutathione. GLRX5 is involved in the biogenesis of iron-sulfur clusters that are required for normal iron homeostasis. GLRX5 is necessary for normal regulation of hemoglobin synthesis by the iron-sulfur protein ACO1. Defects in the GLRX5 gene are a cause of anemia sideroblastic pyridoxine-refractory autosomal recessive (PRARSA).
Synonyms
Glutaredoxin-related protein 5 mitochondrial, Monothiol glutaredoxin-5, GLRX5, C14orf87, glutaredoxin 5, GRX5, FLB4739, PR01238, PRO1238, MGC14129.
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 MSGSLGRAAA ALLRWGRGAG GGGLWGPGVR AAGSGAGGGG SAEQLDALVK KDKVVVFLKG TPEQPQCGFS NAVVQILRLH GVRDYAAYNV LDDPELRQGI KDYSNWPTIP QVYLNGEFVG GCDILLQMHQ NGDLVEELKK LGIHSALLDE KKDQDSK.

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:

Sex Hormone-Binding Globulin Human Recombinant

Sex hormone-binding globulin, SHBG, Sex steroid-binding protein, SBP, Testis-specific androgen-binding protein, ABP, Testosterone-estradiol-binding globulin, TeBG, Testosterone-estrogen-binding globulin, SHBG.

Product # :

PRO-1603

Price :

Quantity :

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source
formulation
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Description

SHBG Human Recombinant produced in CHO cells is a single, glycosylated, polypeptide chain containing a total of 428 amino acids, having a molecular mass of 46.79kDa (calculated), the SHBG is fused to a 6 a.a C-terminal His tag and also includes a myc-epitope.The Human SHBG is purified by proprietary chromatographic techniques.

Source

CHO cells.

Formulation

SHBG filtered solution at a concentration of 55.6µg/ml in certified FBS (Fetal Bovine Serum 5%).

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Introduction
Sex-hormone-binding globulin (SHBG) is a beta-globulin which specifically binds steroid hormones; it is involved in the transport of sex steroids in plasma. The main site of SHBG synthesis is assumed to be the hepatocytes. The production of SHBG is regulated by androgen/estrogen balance, thyroid hormones, and dietary factors, among others. The concentration of SHBG is a key factor regulating their distribution between protein-bound and free states. SHBG concentration determination is primarily significant in the evaluation of mild disorders of androgen metabolism and it allows detection of women with hirsutism who are likely to react to estrogen therapy. Testosterone/SHBG-ratios correlate well with both measured and calculated values for free testosterone thus aid to distinguish between subjects with excessive androgen activity and normal individuals. SHBG gene polymorphisms are linked with polycystic ovary syndrome and type 2 diabetes mellitus.
Synonyms
Sex hormone-binding globulin, SHBG, Sex steroid-binding protein, SBP, Testis-specific androgen-binding protein, ABP, Testosterone-estradiol-binding globulin, TeBG, Testosterone-estrogen-binding globulin, SHBG.
Physical Appearance
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
AAQPARRARR TKLLLLLLLL LRHTRQGWAL RPVLPTQSAH DPPAVHLSNG PGQEPIAVMT FDLTKITKTS SSFEVRTWDP EGVIFYGDTN PKDDWFMLGL RDGRPEIQLH NHWAQLTVGA GPRLDDGRWH QVEVKMEGDS VLLEVDGEEV LRLRQVSGPL TSKRHPIMRI ALGGLLFPAS NLRLPLVPAL DGCLRRDSWL DKQAEISASA PTSLRSCDVE SNPGIFLPPG TQAEFNLRDI PQPHAEPWAF SLDLGLKQAA GSGHLLALGT PENPSWLSLH LQDQKVVLSS GSGPGLDLPL VLGLPLQLKL SMSRVVLSQG SKMKALALPP LGLAPLLNLW AKPQGRLFLG ALPGEDSSTS FCLNGLWAQG QRLDVDQALN RSHEIWTHSC PQSPGNGTDA SHSRGGPEQKLISEEDLNSA VDHHHHHH.

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:

GTP Cyclohydrolase I Feedback Regulator Human Recombinant

GFRP, HsT16933, P35,GTP cyclohydrolase 1 feedback regulatory protein, GTP cyclohydrolase I feedback regulatory protein, p35, GCHFR

Product # :

PRO-2006

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Description

GCHFR Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 107 amino acids (1-84a.a) and having a molecular mass of 12.1kDa. GCHFR is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

GCHFR protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl, 40% glycerol and 1mM DTT.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
GTP Cyclohydrolase I Feedback Regulator, also known as GCHFR, is a Protein coding gene which includes a homodimer. GCHFR binds and mediates tetrahydrobiopterin inhibition of GTP cyclohydrolase I. GCHFR also regulates phenylalanine metabolism in the liver and in the production of biogenic amine neurotransmitters and nitric oxide.
Synonyms
GFRP, HsT16933, P35,GTP cyclohydrolase 1 feedback regulatory protein, GTP cyclohydrolase I feedback regulatory protein, p35, GCHFR
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 MGSMPYLLIS TQIRMEVGPT MVGDEQSDPE LMQHLGASKR RALGNNFYEY YVDDPPRIVL DKLERRGFRV LSMTGVGQTL VWCLHKE.

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:

Adiponectin (108-244 a.a.) Human Recombinant

Acrp30, AdipoQ, GBP-28, APM-1, ACDC.

Product # :

CYT-073

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sds-page
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Description

Acrp30 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 158 amino acids (108-244 a.a.) and having a molecular mass of 18.1kDa.Acrp30 is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Acrp30 protein solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 10% glycerol and 0.4M Urea.

Purity

Greater than 80.0% as determined by SDS-PAGE.

sds-page

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Introduction
Adiponectin is an adipocyte specific secreted protein that circulates in the plasma. It is induced during adipocyte differentiation and its secretion is stimulated by insulin. Mouse adiponectin shares about 83% amino acid identity with that human. Adiponectin plays a role in various physiological processes such as energy homeostasis and obesity. Adiponectin is reduced in obese humans, and decreased level is associated with insulin resistance and hyperinsulinemia.
Synonyms
Acrp30, AdipoQ, GBP-28, APM-1, ACDC.
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 MAYVYRSAFS VGLETYVTIP NMPIRFTKIF YNQQNHYDGS TGKFHCNIPG LYYFAYHITV YMKDVKVSLF KKDKAMLFTY DQYQENNVDQ ASGSVLLHLE VGDQVWLQVY GEGERNGLYA DNDNDSTFTG FLLYHDTN.
Background
What is the molecular weight / Mw of ADIPONECTIN Protein?
ADIPONECTIN Protein has a total Mw of 18.1kDa.
What is the source or expression system of ADIPONECTIN Protein?
Escherichia Coli.

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

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

What is the amino acid sequence of ADIPONECTIN Protein? MGSSHHHHHH SSGLVPRGSH MAYVYRSAFS VGLETYVTIP NMPIRFTKIF YNQQNHYDGS TGKFHCNIPG LYYFAYHITV YMKDVKVSLF KKDKAMLFTY DQYQENNVDQ ASGSVLLHLE VGDQVWLQVY GEGERNGLYA DNDNDSTFTG FLLYHDTN..

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

What is the endotoxin level for ADIPONECTIN Protein?
The endotoxin level is minimal, ADIPONECTIN 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.

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