Search: 1000 results found for "Relaxin"

Description:

Corticotropin Releasing Hormone Binding Protein (22-322 a.a.) Human Recombinant

Corticotropin releasing hormone binding protein, CRF-BP, CRH-BP, CRF-binding protein.

Product # :

HOR-025

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Description

CRHBP Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 324 amino acids (22-322 a.a) and having a molecular mass of 36.1kDa.CRHBP is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

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

Purity

Greater than 85.0% as determined by SDS-PAGE.

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Introduction
Corticotropin Releasing Hormone Binding Protein or CRHBP is a hormone that stimulates the preopiomelanocortin-derived peptides secretion & synthesis. In general, the levels of CRHBP in the human plasma are relatively low. There are times when we can find high levels of the hormone, mainly in pregnancy, after parturition the levels drop back, the high levels are thought to be derived from the placenta. CRH-binding protein can be found in the plasma, this protein inactivates CRH, in order to avoid inappropriate pituitary-adrenal stimulation during gestation.
Synonyms
Corticotropin releasing hormone binding protein, CRF-BP, CRH-BP, CRF-binding protein.
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSESRYLEL REAADYDPFL LFSANLKREL AGEQPYRRAL RCLDMLSLQG QFTFTADRPQ LHCAAFFISE PEEFITIHYD QVSIDCQGGD FLKVFDGWIL KGEKFPSSQD HPLPSAERYI DFCESGLSRR SIRSSQNVAM IFFRVHEPGN GFTLTIKTDP NLFPCNVISQ TPNGKFTLVV PHQHRNCSFS IIYPVVIKIS DLTLGHVNGL QLKKSSAGCE GIGDFVELLG GTGLDPSKMT PLADLCYPFH GPAQMKVGCD NTVVRMVSSG KHVNRVTFEY RQLEPYELEN PNGNSIGEFC LSGL

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:

Melanoregulin Human Recombinant

Melanoregulin, DSU, Dilute Suppressor Protein Homolog, WDT2, Whn-Dependent Transcript 2.

Product # :

PRO-1885

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Description

MREG Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 237 amino acids (1-214 a.a) and having a molecular mass of 27.3kDa.MREG is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

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

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
Melanoregulin (MREG) takes part in membrane fusion and in regulating the biogenesis of disk membranes of photoreceptor rods. MREG is expressed in photoreceptor cells as two isoforms as a result of alternative splicing. MREG interacts with Peripherin-2, a photoreceptor specific tetraspanin protein which is required to preserve normal cell structure during the renewal process of membrane fusion. Moreover, MREG plays a part in the incorporation of pigments into hair.
Synonyms
Melanoregulin, DSU, Dilute Suppressor Protein Homolog, WDT2, Whn-Dependent Transcript 2.
Physical Appearance
Sterile Filtered clear solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please avoid freeze thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMGLRDWL RTVCCCCGCE CLEERALPEK EPLVSDNNPY SSFGATLVRD DEKNLWSMPH DVSHTEADDD RTLYNLIVIR NQQAKDSEEW QKLNYDIHTL RQVRREVRNR WKCILEDLGF QKEADSLLSV TKLSTISDSK NTRKAREMLL KLAEETNIFP TSWELSERYL FVVDRLIALD AAEEFFKLAR RTYPKKPGVP CLADGQKELH YLPFPSP

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:

Glucagon Like Peptide-1 (31 a.a.) Human Recombinant

GLP1, GLP2, GRPP.

Product # :

HOR-236

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Description

Glucagon Like Peptide-1 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 31 amino acids and having a molecular mass of 3.3 kDa. The GLP-1 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The Recombinant GLP-1 concentrated solution (1mg/ml) was lyophilized after extensive dialyses against 0.1mg sodium phosphate monobasic & 1.6mg sodium phosphate dibasic.

Purity

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

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Introduction
Glucagon-like peptide-1 (GLP-1) is derived from the transcription product of the proglucagon gene. The major source of GLP-1 in the body is the intestinal L cell that secretes GLP-1 as a guthormone. The biologically active forms of GLP-1 are: GLP-1-(7-37) and GLP-1-(7-36)NH2.
GLP-1 secretion by L cells is dependent on the presence of nutrients in the lumen of the small intestine. The secretagogues (agents that causes or stimulates secretion) of this hormone include major nutrients like carbohydrate, proteinand lipid. Once in the circulation, GLP-1 has a half life of less than 2 minutes, due to rapid degradation by the enzyme dipeptidyl peptidase-4.
GLP-1 possesses several physiological properties that make it a subject of intensive investigation as a potential treatment of diabetes mellitus. The known physiological functions of GLP-1 include: Increases insulin secretion from the pancreas in a glucose-dependent manner, decreases glucagon secretion from the pancreas, increases beta cells mass and insulin gene expression, inhibits acid secretion and gastric emptying in the stomach, decreases food intake by increasing satiety.
Synonyms
GLP1, GLP2, GRPP.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Glucagon Like Peptide-1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GLP-1 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 Glucagon Like Peptide-1 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
HAEGTFTSDV SSYLEGQAAK EFIAWLVKGR G.
Background
What is the molecular weight/Mw of GLUCAGON-LIKE PEPTIDE1 Protein?
GLUCAGON-LIKE PEPTIDE1 Protein has a total Mw of 3.3kDa.

What is the source or expression system of GLUCAGON-LIKE PEPTIDE1 Protein?
Escherichia Coli.

What is the Purity of GLUCAGON-LIKE PEPTIDE1 Protein?
GLUCAGON-LIKE PEPTIDE1 Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of GLUCAGON-LIKE PEPTIDE1 Protein?
The biological functionality of GLUCAGON-LIKE PEPTIDE1 Protein will be determined in the future.

What is the amino acid sequence of GLUCAGON-LIKE PEPTIDE1 Protein?
HAEGTFTSDV SSYLEGQAAK EFIAWLVKGR G.

What applications can GLUCAGON-LIKE PEPTIDE1 Protein be used in?
GLUCAGON-LIKE PEPTIDE1 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for GLUCAGON-LIKE PEPTIDE1 Protein?
The endotoxin level is minimal, GLUCAGON-LIKE PEPTIDE1 Protein was purified using conventional chromatography techniques.

Who supplies recombinant GLUCAGON-LIKE PEPTIDE1 that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.

Where can I order bulk mg quantities of GLUCAGON-LIKE PEPTIDE1?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.

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:

Frataxin Human Recombinant

FXN, Friedreich ataxia protein, Frataxin mitochondrial, FRDA, X25, FA, CyaY, FARR, MGC57199, Frataxin.

Product # :

PRO-761

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Description

Frataxin Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 190 amino acids (42-210 a.a.) and having a molecular mass of 21.1 kDa. The Frataxin is fused to a 20 amino acid His Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

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

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Frataxin is a mitochondrial iron binding protein that is part of the FRATAXIN family. Frataxin functions in regulating mitochondrial iron transport and respiration. The expansion of intronic trinucleotide repeat GAA results in Friedreich ataxia. Frataxin plays a role in iron homeostasis. Frataxin is an anti-apoptotic protein which prevents mitochondrial damage and reactive oxygen species (ROS) production.
Synonyms
FXN, Friedreich ataxia protein, Frataxin mitochondrial, FRDA, X25, FA, CyaY, FARR, MGC57199, Frataxin.
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 MLRTDIDATC TPRRASSNQR GLNQIWNVKK QSVYLMNLRK SGTLGHPGSL DETTYERLAE ETLDSLAEFF EDLADKPYTF EDYDVSFGSG VLTVKLGGDL GTYVINKQTP NKQIWLSSPS SGPKRYDWTG KNWVYSHDGV SLHELLAAEL TKALKTKLDL SSLAYSGKDA.

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:

Delta Sleep Inducing Peptide

Product # :

HOR-030

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Description

DSIP Synthetic is a single, non-glycosylated polypeptide chain containing 15 amino acids, having a molecular mass of 1419.55 Dalton and a Molecular formula of C62H98N16O22.

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 DSIP although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution DSIP 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 DSIP 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-Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val-OH
Background
Delta Sleep-Inducing Peptide (DSIP), also known as Sleep-Promoting Peptide, is a neuropeptide that has been the subject of extensive research due to its potential role in sleep regulation, stress response, and neuroprotection. This nonapeptide, first isolated from the cerebral venous blood of rabbits during sleep, has been shown to induce slow-wave sleep, modulate pain perception, and exhibit potential antioxidant and immunomodulatory properties.
DSIP's primary function is its interaction with the sleep regulatory system. By modulating the release of certain neurotransmitters, DSIP can influence sleep patterns, particularly promoting slow-wave sleep, the most restorative stage of sleep. Studies by Kovalzon et al. (2011) have demonstrated that DSIP can enhance sleep quality in rats, suggesting potential applications in sleep disorders and the promotion of healthy sleep patterns.
In addition to its sleep-inducing effects, DSIP has been shown to possess neuroprotective properties. Research by Zolotarev et al. (2014) found that DSIP could protect neurons from oxidative stress, suggesting potential applications in the treatment of neurodegenerative diseases such as Alzheimer's and Parkinson's disease.
Given its sleep-inducing and neuroprotective effects, DSIP has been proposed as a potential therapeutic agent for a variety of conditions, including sleep disorders, chronic pain, and neurodegenerative diseases. For instance, a study by Spong et al. (2016) found that DSIP could improve sleep quality in patients with chronic insomnia, indicating its potential as a therapeutic agent in the treatment of sleep disorders.
While research on DSIP is promising, it is important to note that most studies have been conducted in animals or in vitro. More research is needed to fully understand the potential effects and applications of DSIP in humans. However, the existing body of research suggests that DSIP could be a promising tool in the treatment of sleep disorders, chronic pain, and neurodegenerative 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:

Tesamorelin

Product # :

HOR-062

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Description

Tesamorelin is a synthetic single, non-glycosylated polypeptide chain containing 44 amino acids, having a molecular mass of 5135.78 Dalton and a Molecular formula of C221H366N72O67S.

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 Tesamorelin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Tesamorelin 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 Tesamorelin in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
trans-3-hexenoyl-Tyr-Ala-Asp-Ala-IlePhe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-LysLeu-Leu-Gln-Asp-Ile-Met-Ser-Arg-Gln-Gln-Gly-Glu-Ser-Asn-Gln-GluArg-Gly-Ala-Arg-Ala-Arg-Leu-NH2.
Background
Tesamorelin is a growth hormone-releasing hormone (GHRH) analogue. Tesamorelin stimulates the pituitary gland to produce endogenous growth hormone, which targets visceral adipose tissue. Tesamorelin has evolved from a HIV treatment into an effective metabolic and regenerative therapy.

What is the molecular weight/Mw of TESAMORELIN Protein?
TESAMORELIN Protein has a total Mw of 5.135kDa.

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

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

What is the amino acid sequence of TESAMORELIN Protein?
trans-3-hexenoyl-Tyr-Ala-Asp-Ala-IlePhe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-LysLeu-Leu-Gln-Asp-Ile-Met-Ser-Arg-Gln-Gln-Gly-Glu-Ser-Asn-Gln-GluArg-Gly-Ala-Arg-Ala-Arg-Leu-NH2.

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

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

Who supplies TESAMORELIN that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.

Where can I order bulk mg quantities of TESAMORELIN?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.

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

Description:

RELM-alpha Mouse Recombinant

Resistin-like alpha, RELMalpha, Cysteine-rich secreted protein FIZZ1, Parasite-induced macrophage novel gene 1 protein, Cysteine-rich secreted protein A12-gamma, RELM-a.

Product # :

CYT-309

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Shipped at Room temp

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Description

Mouse RELM-alpha Recombinant produced in E.Coli is a monomeric, non-glycosylated, polypeptide chain containing 88 amino acids and having a molecular mass of 10 kDa. The Mouse RELM-alpha is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Sterile filtered and lyophilized from 0.5mg/ml in 10mM sodium phosphate buffer, pH 7.5.

Purity

Greater than 98% as determined by SDS-PAGE & RP-HPLC.

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Introduction
Bronchoalveolar lavage fluid from mice with experimentally induced allergic pulmonary inflammation contains a novel 9.4 kDa cysteine-rich secreted protein, RELM-alpha (FIZZ1, found in inflammatory zone). RELM-alpha is a secreted protein that has a restricted tissue distribution with highest levels in adipose tissue stroma. Murine RELM-alpha (FIZZ1) is the founding member of a new gene family including two other murine genes expressed, respectively, in intestinal crypt epithelium (RELM-beta) and white adipose tissue (Resistin), and two related human genes.
RELMalpha inhibits the differentiation of 3T3-L1 preadipocytes into adipocytes but has no effect on proliferation of 3T3-L1 preadipocytes. RELMalpha is able to form heterooligomers with resistin but not RELMbeta. Since RELMalpha is expressed by adipose tissue and it is a secreted factor, our findings suggest that RELMalpha may be involved in the control of the adipogenesis as well as in the process of muscle differentiation.
In the lung, RELM-alpha is induced by hypoxia and was renamed as hypoxia-induced mitogenic factor (HIMF). HIMF strongly activated Akt phosphorylation. The phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002 (10 micromol/L) inhibited HIMF-activated Akt phosphorylation. It also inhibited HIMF stimulated RPSM proliferation. Thus, the PI3K/Akt pathway, at least in part, mediates the proliferative effect of HIMF. Further studies showed that HIMF had angiogenic and vasoconstrictive properties. HIMF increased pulmonary arterial pressure and vascular resistance. Further studies suggest that HIMF regulates apoptosis and may participate in lung alveolarization and maturation.
Synonyms
Resistin-like alpha, RELMalpha, Cysteine-rich secreted protein FIZZ1, Parasite-induced macrophage novel gene 1 protein, Cysteine-rich secreted protein A12-gamma, RELM-a.
Physical Appearance
Sterile 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; it does not show any change after two weeks at 4°C.
Solubility
At 0.1mg/ml of deionized sterile water.
Amino Acid Sequence
MDETIEIIVE NKVKELLANP ANYPSTVTKT LSCTSVKTMN RWASCPAGMT ATGCACGFAC GSWEIQSGDT CNCLCLLVDW TTARCCQLS.

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 Rat Recombinant

OB Protein, Obesity Protein, OBS, Obesity factor.

Product # :

CYT-1241

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Description

Leptin Pegylated Quadruple Antagonist Rat Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and additional Ala at N-terminus acids. The Rat Leptin antagonist is bound to 20 kDa mono-PEG at N-terminus, resulting in 35.6 kDa. The Rat Leptin Pegylated Quadruple Antagonist was mutated, resulting in D23L/L39A/D40A/F41A that was purified by proprietary chromatographic techniques.

Source

Escherichia coli.

Formulation

The Rat Leptin Pegylated Quadruple Antagonist was lyophilized from a concentrated (0.65mg/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

Rat Leptin Pegylated Quadruple Antagonist inhibits leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Its in vitro.

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Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Rat Leptin Pegylated Quadruple Antagonist although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 and up to 2mM of rat pegylated leptin antagonist and filter sterilization rat pegylated leptin 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 Rat Leptin Pegylated Quadruple Antagonist 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 a hormone which mainly produced by adipocytes. Leptin’s main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene. Leptin receptors are expressed by various brain and peripheral cell types. leptin levels influence satiety, appetite and triggers behaviors 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.

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:

Luteinizing Hormone Porcine

Product # :

HOR-310

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Porcine Luteinizing Hormone is a glycosylated, heterodimer polypeptide chain which stimulates maturation of follicle, induces ovulation, accelerates formation of corpus luteum and secretion of pregnanolone. Porcine Luteinizing Hormone delays ovulation and ovarian cyst.

Source

Porcine.

Formulation

The LH was lyophilized with no additives.

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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Porcine LH although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution LH 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 Porcine LH in sterile 18M-cm H2O at 100IU/4ml, which can then be further diluted to other aqueous solutions.
Background
What is the source or expression system of LUTEINIZING HORMONE PORCINE Protein?
Porcine.

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

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

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

Who supplies LUTEINIZING HORMONE PORCINE that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.

Where can I order bulk mg quantities of LUTEINIZING HORMONE PORCINE?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.

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:

Super Leptin Antagonist Ovine Recombinant

Product # :

CYT-1245

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Super Leptin Antagonist Ovine Recombinant is a single polypeptide chain containing 146 amino acids, an additional Ala at N-terminus acids and having a molecular mass of ~ 16 kDa. Super Ovine Leptin Antagonist was mutated, resulting in D23L/L39A/D40A/F41A 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 Ovine leptin antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Super Ovine 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 Ovine leptin antagonist at > 0.1 mg/ml and up to 2 mg/ml and filter sterilization super Ovine 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 water or sterile 0.4% NaHCO3 adjusted to pH 10, 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-Arg.
Background
Leptin is a hormone which mainly produced by adipocytes. Leptin’s main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene. Leptin receptors are expressed by various brain and peripheral cell types. leptin levels influence satiety, appetite and triggers behaviours which save energy. When leptin levels are high, the brain interprets 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 quantitation 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:

Latexin Human Recombinant

LXN, TCI, ECI, Latexin, Endogenous carboxypeptidase inhibitor, Tissue carboxypeptidase inhibitor, MUM.

Product # :

ENZ-407

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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Description

Recombinant Human Latexin produced in E.Coli is a single, non-glycosylated polypeptide chain containing 222 amino acids and having a molecular mass of 25.7kDa. Latexin is purified by conventional chromatography techniques.

Source

Escherichia Coli.

Formulation

The Latexin protein solution contains 20mM Tris-HCl, pH-7.5, 50mM NaCl and 10% Glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Latexin enzyme is a carboxypeptidase A inhibitor that is highly expressed in the heart, prostate, ovary, kidney, pancrease, brain and colon. Latexin has no noticeable sequence resemblance with plant and parasite inhibitors, however it is related to a human putative tumor suppressor protein, TIG1. Latexin is down-regulated in the presenilin-1-deficient mouse brain, thus putatively playing a role in Alzheimer's disease.
Synonyms
LXN, TCI, ECI, Latexin, Endogenous carboxypeptidase inhibitor, Tissue carboxypeptidase inhibitor, MUM.
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
MEIPPTNYPA SRAALVAQNY INYQQGTPHR VFEVQKVKQA SMEDIPGRGH KYRLKFAVEE IIQKQVKVNC TAEVLYPSTG QETAPEVNFTFEGETGKNPD EEDNTFYQRL KSMKEPLEAQ NIPDNFGNVS PEMTLVLHLA WVACGYIIWQ NSTEDTWYKM VKIQTVKQVQ RNDDFIELDYTILLHNIASQ EIIPWQMQVL WHPQYGTKVK HNSRLPKEVQ LE.

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:

Allergen Ara h 3.0101 Recombinant

Glycinin, Arah3.

Product # :

ALR-008

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Description

Recombinant Glycinin produced in E. coli is a non- glycosylated, polypeptide chain having a calculated molecular mass of 63 kDa. Glycinin is expressed with a 10xHis tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Glycinin is supplied in 20mM HEPES buffer pH-8, 6M Urea and 0.25M NaCl.

Purity

Greater than 95% as determined by SDS-PAGE.

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Introduction
Glycinin Ara h 3 is a seed storage protein, 11 S globulin and trypsin inhibitor from peanut. Each subunit of the hexamer is composed of an acidic and a basic chain derived from a single precursor and linked by a disulfide bond. Ara h 3 and Ara h 4 are isoforms. Glycinin is the source of sulfur-containing amino acids in seed meals and it exists in the seeds of many leguminous and non-leguminous plants.
Synonyms
Glycinin, Arah3.
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 IgE type human antibodies. 2. Immunodot test with positive/negative sera panels.

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

Description:

RELM-Gamma Mouse Recombinant

Resistin-like gamma, RELMgamma,RELM-γ, RELM-g.

Product # :

CYT-1035

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Description

RELM g Mouse Recombinant produced in E.Coli is a non glycosylated, homodimeric polypeptide chain containing 2 x 89 amino acids and having a total molecular mass of 18.9kDa. The RELM is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a sterile filtered solution containing 0.1 % trifluoroacetic acid (TFA).

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
RELM-gamma is a novel member of the resistin-like molecule/found in inflammatory zone (RELM/FIZZ) family in mice and rats. Microarray and real-time RT-PCR experiments revealed a repression of RELMgamma mRNA in nasal respiratory epithelium of cigarette smoke-exposed versus untreated rats. The analysis of the physiological tissue-specific expression revealed highest expression in hematopoietic tissues, suggesting a cytokine-like role for RELM-gamma. RELM-gamma-mRNA is detectable in bone marrow, spleen, and lung as well as in peripheral blood granulocytes. Promyelocytic HL60 cells transfected with a RELM-gamma expression plasmid have an increased proliferation rate compared to mock-transfected cells and display an altered response to retinoic acid-induced granulocytic differentiation. Taken together, these data provide the first experimental evidence that RELM-gamma is a secreted molecule with a restricted expression pattern that may play a role in promyelocytic differentiation.
Synonyms
Resistin-like gamma, RELMgamma,RELM-γ, RELM-g.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized RELM g although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution RELM g Mouse 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 RELM g in sterile 18MΩ-cm H2O at a concentration of 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MEGTLESIVE KKVKELLANR DDCPSTVTKT FSCTSITASG RLASCPSGMT VTGCACGYGC GSWDIRDGNT CHCQCSTMDW ATARCCQLA.

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:

Thymulin

Product # :

HOR-047

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Description

Thymulin Synthetic is a single, non-glycosylated polypeptide chain containing 9 amino acids, having a molecular mass of 858 Dalton and a Molecular formula of C33H54N12O15.

Formulation

The protein was lyophilized with no additives.

Purity

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

More Info

Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Thymulin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Thymulin 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 Thymulin in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
Pyr-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn-OH.
Background
Thymulin, a nonapeptide hormone, is produced primarily by the thymus gland and has been recognized for its pivotal role in the immune system. It plays a significant role in the maturation and differentiation of T lymphocytes, which are crucial for immune function. Beyond its immune-related functions, research has increasingly unveiled the diverse physiological roles of thymulin. This study aims to comprehensively investigate thymulin, shedding light on its immunological functions and exploring its potential applications in various aspects of health and medicine.
The primary objective of this research is to elucidate the mechanisms underlying thymulin's role in immune regulation. In vitro and in vivo experiments will be conducted to explore thymulin's interactions with immune cells, its impact on T cell development and function, and its potential modulation of immune responses. Understanding these mechanisms is fundamental for harnessing thymulin's immunomodulatory properties.
The second objective is to assess the clinical relevance of thymulin in immune-related disorders. Clinical trials and studies involving individuals with autoimmune diseases, immunodeficiencies, and age-related immune decline will be conducted to evaluate the potential therapeutic applications of thymulin. These investigations may offer insights into the use of thymulin as an immunomodulatory agent in various clinical settings.
The third objective is to explore the broader implications of thymulin in health and medicine. Research will investigate its potential roles in areas beyond immunology, such as neuroprotection, wound healing, and tissue regeneration. Understanding the multifaceted properties of thymulin may open new avenues for therapeutic interventions in various medical specialties.
By delving into the diverse functions of thymulin, this research aims to expand our knowledge of its physiological roles and clinical applications. The findings may have implications for the development of innovative approaches in immunology and healthcare, ultimately benefiting patients affected by immune-related disorders and other medical conditions.
What is the molecular weight/Mw of THYMALIN Protein?
THYMALIN Protein has a total Mw of 0.85kDa.

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

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

What is the amino acid sequence of THYMALIN Protein?
Pyr-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn-OH.

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

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

Glial-Derived Neurotrophic Factor Human Recombinant

ATF1, ATF2, HFB1-GDNF, GDNF.

Product # :

CYT-305

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sds-page
Citations

Description

Glial derived Neurotrophic Factor Human Recombinant produced in E.Coli is a non-glycosylated disulfide-linked homodimer containing 2 x 135 amino acids and having a total molecular mass of approximately 30kDa. GDNF is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

GDNF was lyophilized from a 0.2µm filtered concentrated solution in 1×PBS, pH 7.4 and 5% Trehalose.

Purity

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

Biological Activity

The ED₅₀ was determined by the proliferation of rat C6 cells is < 0.1 ng/ml, corresponding to a specific activity of > 1.0x10⁷ units/mg.

sds-page

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Introduction
GDNF promotes the survival and differentiation of minergic neurons in culture, and is able to prevent apoptosis of motor neurons induced by axotomy. The encoded protein is processed to a mature secreted form that exists as a homodimer. The mature form of the protein is a ligand for the product of the RET (rearranged during transfection) protooncogene. In addition to the transcript encoding GDNF, two additional alternative transcripts encoding distinct proteins, referred to as astrocyte-derived trophic factors, have also been described. Mutations in this gene may be associated with Hirschsprung disease.
GDNF enhances survival and morphological differentiation of minergic neurons and increases their high-affinity uptake.
Synonyms
ATF1, ATF2, HFB1-GDNF, GDNF.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Glial-derived Neurotrophic Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GDNF 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 Glial Derived Neurotrophic Factor in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
SPDKQMAVLP RRERNRQAAA ANPENSRGKG RRGQRGKNRG CVLTAIHLNV TDLGLGYETK EELIFRYCSG SCDAAETTYD KILKNLSRNR RLVSDKVGQA CCRPIAFDDD LSFLDDNLVY HILRKHSAKR CGCI.
Background
What is the molecular weight/Mw of GDNF HUMAN Protein?
GDNF HUMAN Protein has a total Mw of 30kDa.

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

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

What is the Biological Activity of GDNF HUMAN Protein?
The ED50 was determined by the proliferation of rat C6 cells is < 0.1 ng/ml, corresponding to a specific activity of > 1.0x107 units/mg.

What is the amino acid sequence of GDNF HUMAN Protein?
SPDKQMAVLP RRERNRQAAA ANPENSRGKG RRGQRGKNRG CVLTAIHLNV TDLGLGYETK EELIFRYCSG SCDAAETTYD KILKNLSRNR RLVSDKVGQA CCRPIAFDDD LSFLDDNLVY HILRKHSAKR CGCI.
What applications can GDNF HUMAN Protein be used in?
GDNF HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

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

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

Description:

Human Leptin

OB Protein, Obesity Protein, OBS, Obesity factor, Leptin.

Product # :

CYT-683

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Description

Leptin Human produced syntheticaly contains 35 amino acids (22-56 a.a.) having a molecular mass of 3950.6 Dalton.

Formulation

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

Purity

Greater than 95.0% as determined by RP-HPLC.

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Introduction
A 16kDa 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, Leptin.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leptin although stable at room temperature, should be stored desiccated below -20°C. Reconstituted Leptin is best stored refrigerated at 4°C.
Solubility
The lyophilized Leptin is very soluble in water and most aqueous buffers below and above the isoelectric point.
Amino Acid Sequence
Val-Pro-Ile-Gln-Lys-Val-Gln-Asp-Asp-Thr-Lys-Thr-Leu-Ile-Lys-Thr-Ile-Val-Thr-Arg-Ile-Asn-Asp-Ile-Ser-His-Thr-Gln-Ser-Val-Ser-Ser-Lys-Gln-Lys.

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:

Urocortin 3 Human Recombinant

Stresscopin, urocortin-iii.

Product # :

HOR-056

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Quantity :

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Description

The UCN3Human is created as a recombinant protein with a 4kda N-terminal fusion of His Tag. The UCN3His-Tagged Fusion Protein, produced in E. coli, is a 20kDa protein containing 161 amino acid residues of the UCN3Human, 1-161 amino acids.

Source

Escherichia Coli.

Formulation

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

Purity

Greater than 90% as determined by SDS-PAGE.

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Synonyms
Stresscopin, urocortin-iii.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
Stability
Store lyophilized UCN3at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
Solubility
It is recommended to add deionized water to prepare a working stock solution of approximately 0.5mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it on cell culture.
Background
Urocortin 3 also known as UCN3 is a part of the corticotropin-releasing factor (CRF) family of peptides, which are involved in metabolism, stress response and neuroendocrine regulation. UCN3 exerts its biological effects through interactions with CRFR2. UCN3 takes a main part in mediating few important biological processes, specially those associated with energy metabolism, stress response and the regulation of the hypothalamic-pituitary-adrenal (HPA) axis. UCN3 expressed mainly in the brain in areas such as the hypothalamus, as well as in peripheral tissues, including the heart and adipose tissue.
What is the molecular weight/Mw of UCN3 HUMAN Protein?
UCN3 HUMAN Protein has a total Mw of 20kDa.

What is the source or expression system of UCN3 HUMAN Protein?
Escherichia Coli.

What is the Purity of UCN3 HUMAN Protein?
UCN3 HUMAN Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of UCN3 HUMAN Protein?
The biological functionality of UCN3 HUMAN Protein will be determined in the future.

What applications can UCN3 HUMAN Protein be used in?
UCN3 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for UCN3 HUMAN Protein?
The endotoxin level is minimal, UCN3 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:

RELM-Beta Mouse Recombinant

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

Product # :

CYT-413

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Quantity :

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Description

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

Source

Escherichia Coli.

Formulation

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

Purity

Greater than 97% as determined by SDS-PAGE.

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

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

Description:

Tachykinin-3 Human Recombinant

Tachykinin-3, ZNEUROK1, Neurokinin-B, NKB, Neuromedin-K, TAC3, NKNB, PRO1155.

Product # :

PRO-716

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Shipped with Ice Packs

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Description

TAC3 Human Recombinant fused with 20 amino acid His tag at N-terminus produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 125 amino acids (17-121 a.a.) and having a molecular mass of 13.8kDa.The TAC3 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The TAC3 solution contains 20mM Tris-HCl buffer (pH 8.0) and 20% glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Tachykinin-3 belongs to the substance P-related tachykinin family. Tachykinins are active peptides that stimulate neurons, induce behavioral responses, are effective vasodilators and secretagogues, and contract (directly or indirectly) many smooth muscles. TAC3 and its receptor are essential switches of regulator of human puberty, regulated by the brain through the release of the GnRH which starts a chain of processes which eventually lead to the production of sex hormones.
During pregnancy, the expression of TAC3 is restricted to the outer syncytiotrophoblast of the placenta, significant concentrations of TAC3 can be identified in plasma as early as week 9, and plasma concentrations of TAC3 are grossly elevated in pregnancy-induced hypertension and pre-eclampsia. Higher Tachykinin-3 concentrations in normotensive pregnant women may be caused by the advanced gestational age and/or the result of a negative interaction of other vasoactive substances. TAC3 has a role in the continuance of high placental blood flow in normal pregnancy.
Synonyms
Tachykinin-3, ZNEUROK1, Neurokinin-B, NKB, Neuromedin-K, TAC3, NKNB, PRO1155.
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 QSFGAVCKEP QEEVVPGGGR SKRDPDLYQL LQRLFKSHSS LEGLLKALSQ ASTDPKESTS PEKRDMHDFF VGLMGKRSVQ PDSPTDVNQE NVPSFGILKY PPRAE.

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-B Tilapia Recombinant

Product # :

CYT-1110

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Quantity :

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Description

Leptin-B Tilapia Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 152 amino acids and having a molecular mass of 15,243 Dalton. The Leptin-B Tilapia is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a concentrated (1mg/ml) solution containing NaHCO3 at 1:2 salt: protein ratio.

Purity

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

Biological Activity

Tilapia leptins were found to be biologically active in promoting proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor, but their activity was lower than that of mammalian leptin. Furthermore, the Tilapia leptins were biologically active in promoting STAT‐LUC activation in COS7 cells transfected with Tilapia leptin receptor but not in cells transfected with human leptin receptor. Tilapia Leptin A was more active than Tilapia Leptin B.

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Introduction
Leptin is a protein hormone. It is mainly produced in adipose cells that regulate energy homeostasis by restraining hunger. Leptin ties to nuclear receptors in the hypothalamus (arcuate nucleus). Similar to insulin resistance in type II diabetes, in obesity there is a decrease in the sensitivity towards leptin, ending in a failure to identify satiety, even in high levels of energy stores or leptin itself. Full-length cDNA encoding 2 leptin sequences (tLepA and tLepB) and 1 leptin receptor sequence (tLepR) exists in tilapia (Oreochromis niloticus). The full-length cDNA of tLepR is 3423 bp, encoding a protein of 1140 amino acid which contained all functionally important domains conserved among vertebrate leptin receptors. The cDNAs of tLepA and tLepB are 486 bp and 459 bp in length, encoding proteins of 161 aa and 152 aa, respectively. The three-dimensional structures of tLepA and tLepB demonstrates strong conservation of tertiary structure with that of human leptin comprised of 4 helixes.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leptin-B Tilapia although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leptin-B Tilapia 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-B Tilapia in sterile water or 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 first six N-terminal amino acids of recombinant Tilapia leptin B are Ala-Leu-Leu-Thr-Lys-Gly.
Protein content
Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.19 for 1 mg/ml Leptin-B Tilapia as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the DNAman computer analysis program of protein sequences.

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

Description:

Cathepsin-D Human Recombinant

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

Product # :

ENZ-378

Price :

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Description

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

Source

HEK293 Cells

Formulation

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

Purity

Greater than 95% as determined by SDS-PAGE

More Info

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

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

Description:

Leptin Antagonist Triple Mutant Human Recombinant

Product # :

CYT-352

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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source
formulation
purity
biological activity
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Description

Leptin Antagonist Triple Mutant Human Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and additional Ala at N-terminus acids and having a molecular weight of 16 kDa, Leptin was mutated, resulting in L39A/D40A/F41A. Leptin Antagonist Triple Mutant Human Recombinant was 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 98.0% as determined by:
(a) Gel filtration analysis.
(b) Analysis by SDS-PAGE.

Biological Activity

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

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Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leptin Antagonist Triple Mutant Human 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 2 mg/ml and filter sterilization Leptin 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 Triple Mutant Human Recombinant in sterile 0.4% NaHCO3, 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 0.88 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:

Leptin Triple Antagonist (D23L) Pegylated Mouse Recombinant

OB Protein, Obesity Protein, OBS, Obesity factor.

Product # :

CYT-1242

Price :

Quantity :

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Shipped at Room temp

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description
source
formulation
purity
biological activity
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Description

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

Source

Escherichia coli.

Formulation

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

Purity

Greater than 99.0% as determined by:

(a) Gel filtration analysis.

(b) Analysis by SDS-PAGE.

Biological Activity

Leptin Antagonist Triple Mutant D23L Mouse Recombinant is capable of stimulating proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Its in vitro activity is only slightly lower than the non-pegylated recombinant mouse leptin but in vivo it has profound weight reducing effect (as compared to the non-pegylated recombinant mouse leptin), resulting mainly from reduced food intake.

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Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leptin Antagonist Triple Mutant 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 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 Triple Mutant Mouse 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 a hormone which mainly produced by adipocytes . Leptin’s main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene. Leptin 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 behaviors 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.

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:

Triptorelin Acetate

Product # :

HOR-238

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Triptorelin C64H82N18O13, Pyr-His-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2 is a synthetic analogue of gonadorelin (GnRH). As a result of the substitution of the 6th amino acid residue in the native molecule, the agonistic effect is more pronounced and the plasma half-life prolonged.

Formulation

The protein (1 mg/ml) 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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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Trp although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Trp 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 Trp in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Background
What is the Purity of TRIPTORELIN Protein?
TRIPTORELIN Protein is >98% pure as determined by SDS-PAGE.

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

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

What is the endotoxin level for TRIPTORELIN Protein?
The endotoxin level is minimal, TRIPTORELIN 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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