Other Peptides

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A2727 N-Acetyl-Adhesin Amide Fragment 1025-1044 ≥95% (HPLC) Antimicrobial peptide that has been shown to specifically inhibit binding of a cell surface adhesion of Streptococcus mutans, the main etiological agent of dental caries, to salivary receptors in vitro.
A9519 N-Acetylmuramyl-L-alanyl-D-isoglutamine hydrate ≥98% (TLC) Enhances antigenicity of weak antigens, increasing antibody titer.
N-Acetylmuramyl-L-alanyl-D-isoglutamine (MDP, muramyl dipeptide), a neurotrophic and immunomodulatory factor related to bacterial peptidoglycans, is used as an immune modulation factor that enhances immune response and to study neural development.
R5380 N-Acetyl-Renin Substrate Tetradecapeptide porcine ≥97% (HPLC)  
A1085 N-Acetyl-Tyr-Val-Ala-Glu-al ≥98% (TLC)  
T8156 Adrenorphin ≥95% (HPLC)  
A5025 Ala-Ala-Ala-Ala-Ala  
A0910 Ala-D-γ-Glu-Lys-D-Ala-D-Ala ≥97% (HPLC) L-Ala-D-Glu-gamma-L-Lys-D-Ala-D-Ala, peptidoglycan pentapeptide, is the antigenic peptide determinant of peptidoglycan useful in studies of mechanisms of action of glycopeptide antibiotics.
A7060 Ala-Lys-Pro-Ser-Tyr-Hyp-Hyp-Thr-Tyr-Lys ≥97% (HPLC) Bioadhesive peptide
A7185 Ala-Lys(TFA)-Pro-Ser-Tyr-Hyp-Hyp-Thr-Tyr-Lys ≥97% (HPLC) Bioadhesive peptide
A9554 Allatostatin IV ≥97% (HPLC) Allatostatin IV, an octapeptide amine, is a member of the allatoregulatory peptide family found in insects which either inhibit (allatostatins) or stimulate (allatotropins) juvenile hormone (JH) synthesis.
Inhibitor of juvenile hormone synthesis in insects.
T6153 4-Aminophenylacetyl-Tuftsin ≥97% (HPLC)  
A2602 Asn-Arg-Cys-Ser-Gln-Gly-Ser-Cys-Trp-Asn, Reduced ≥85% (HPLC) The activity of the enzymes protein disulfide-isomerase (PDI) and DsbA (a periplasmic protein thiol:disulfide oxidoreductase) can be monitored with this peptide. Oxidation of this dithiol peptide to the disulfide state is accompanied by a significant change in tryptophan fluorescence emission intensity. This permits the rapid determination of the pH-dependence of the activity of both enzymes.
A5667 Asp-Ala-Glu-Asn-Leu-Ile-Asp-Ser-Phe-Gln-Glu-Ile-Val ≥97% (HPLC)  
A4440 Asp-Asp-Asp-Asp ≥97% (TLC) Tetraaspartic acid (Asp-Asp-Asp-Asp) is a small polyanionic peptide used in physicochemical studies along with other polyanionic peptides. Tetraaspartic acid forms complexes with metals such as copper making it useful in studies on copper mediated effects such as free radial formation.
B7510 Beauvericin ≥97% (HPLC) Beauvericin (BEA), a cyclohexadepsipeptide produced by the fungus Beauveria bassiana (Bals.), has antiviral, antibacterial, nematicidal, insecticidal, cytotoxic, and apoptotic activity.
E8887 Big Endothelin 39 porcine ≥97% (HPLC) Compared to ET-1, big endothelins show less vasoconstrictor activity in vitro but similar pressor effects in vivo
SML1719 BPC 157 trifluoroacetate salt ≥95% (HPLC) BPC 157 is a stable gastric pentadecapeptide that exhibit anti-ulcer and wounds/fistulas healing properties. BPC 157 reduces immediate and delayed damage induced brain trauma and improves nerve regeneration after transection. BPC 157 displays antianxiety and antidepressant effects. It appears that BPC 157 promotes proliferation, migration, and tube formation of human umbilical vein endothelial cells through activation of ERK1/2 phosphorylation.
C9026 Caerulein ≥97% (HPLC) Caerulein is a gastroregulatory molecule with actions similar to cholecystokinin. Caerulein is used to study cell signaling mediated by NF-kappaB upregulation of proteins such as intercellular adhesion molecule-1(ICAM-1) and inflammation related molecules such as NADPH oxidase and Janus kinase signal transducer.
Effects on perception of pain are conflicting. It prevents gall bladder pain, renal colic, and the pain of intermittent claudication; however, in general, it is seen as an antagonist of endogenous opioids.
C7278 Caseinoglycopeptide from bovine casein essentially salt-free, lyophilized powder The soluble carboxyl-terminal moiety of κ-casein. This antithrombotic peptide binds to glycoprotein GPIb in the platelet membrane, thus inhibiting platelet aggregation by blocking the binding of von Willebrand factor.
C2795 Acetyl-[Tyr(SO3H)27]-Cholecystokinin fragment 26-31 Amide ≥97% (HPLC)  
CCK2 Cholecystokinin Peptide Kit 2  
C9357 Cyclo(Ala-Arg-Gly-Asp-3-Aminomethylbenzoyl) ≥96% (HPLC) Antagonist of RGD peptidomimetic αVβ3 integrin containing both anionic and cationic binding sites that straddle the RGD binding domain.
Cyclo(Ala-Arg-Gly-Asp-3-Aminomethylbenzoyl) (XJ735) is an RGD containing cyclic peptide (peptidomimetic) used as an antagonist specific to integrin αvβ3. XJ735 is used to study the role of integrin αvβ3 in cell-matrix interactions and processes.
47729 N-Formyl-Met-Leu-Phe BioXtra, ≥99.0% (TLC) N-Formyl-Met-Leu-Phe is a potent chemotactic peptide and formyl peptide receptor (FPR) agonist that induces a metabolic burst in macrophages accompanied by an increase in respiratory rate, secretion of lysosomal enzymes, and production of superoxide anion.
Potent chemotactic peptide. Induces a metabolic burst in macrophages accompanied by an increase in respiratory rate, secretion of lysosomal enzymes, and production of superoxide anion.
G3882 Gly-Gly-Gly-Gly Tetraglycine is used with copper (Cu-II) to study mechanisms of hydrogen peroxide/bicarbonate free radical production and effect in vitro.
G7897 Granuliberin R ≥97% (HPLC) Mast cell degranulating peptide found in the skin of the frog, Rana rugosa.
H4162 Human Parainfluenza Virus Type 3, fusion protein, fragment 454-488, acetylated  
L5538 Leu-Ser-Lys-Leu-NH2 ≥95% (HPLC) Leu-Ser-Lys-Leu-NH2 (LSKL-NH2) is found at the C-terminal of the neurotoxic wasp venom α-pompilidotoxin (α-PMTX). A similar peptide Leu-Ser-Lys-Leu (LSKL) is a used to study the activation of TGF-β1 via thrombospondin.
Used to study the activation of TGF-β1
L2031 Leu-Ser-Ser-Phe-Val-Arg-Ile amide acetate salt ≥97% (HPLC)  
L2776 Lys-Gln-Ala-Gly-Asp-Val ≥97% (HPLC) Lys-Gln-Ala-Gly-Asp-Val (KQAGDV) is a cell adhesion peptide used to study adhesion of platelets to neutrophils via the integrin glycoproteins gpIIb/IIIa.
L9026 Lys-Lys-Lys-Lys ≥95% (TLC) Short poly-L-lysines polypeptides such as trilysine (lys3), tetralysine (tetra-L-lysine, lys4) and pentalysine (penta-L-lysine, lys5) are cationic moieties that may be used in the construction of gene delivery vectors and DNA nanoparticles.
L9151 Lys-Lys-Lys-Lys-Lys ≥55% peptide basis Short poly-L-lysines polypeptides such as trilysine (lys3), tetralysine (tetra-L-lysine, lys4) and pentalysine (penta-L-lysine, lys5) are cationic moieties that may be used in the construction of gene delivery vectors and DNA nanoparticles.
M1170 Met-Arg-Phe-Ala acetate salt ≥90% (HPLC)  
E5131 [des-Tyr1, D-Ala2]-Methionine enkephalinamide acetate salt ≥95% (HPLC)  
SML0195 Mifamurtide ≥98% (HPLC) Mifamurtide (Muramyl tripeptide phosphatidylethanolamine; MTP-cephalin; MTP-PE) is a synthetic, lipophilic analog of muramyl dipeptide. It acts as an immunostimulant promoting cancer cell destruction via in vivo macrophage activation.
Mifamurtide is an immunomodulator and regulates the activation of monocytes and macrophages. Mifamurtide upregulates the secretion of pro-inflammatory cytokines such as TNF-α, IL-1, IL-8, nitric oxide and prostaglandins E2 and D2. It has anti-tumor effects in children and young adults with high-grade osteosarcoma.
M4046 Mitogen-Activated Protein Kinase 2 fragment 326-339 ≥97% (HPLC)  
M7530 [Leu13]-Motilin porcine ≥97% (HPLC) [Leu13]-Motilin porcine exhibits gastric motor stimulating activity.
P0995 [pSer8]-Myelin Basic Protein Fragment 5-15 trifluoroacetate salt ≥90% (HPLC)  
M4449 Myelin Oligodendrocyte Glycoprotein (35-55), Human lyophilized powder This is a truncated peptide from the human Myelin Oligodendrocyte Glycoprotein (MOG) responsible for the induction of experimental autoimmune encephalomyelitis in mouse and rat models for human multiple sclerosis research.
M4939 Myelin Oligodendrocyte Glycoprotein Peptide Fragment 35-55 Rat, Mouse immunodominant epitope of MOG Induces experimental autoimmune encephalomyelitis in rodents; a single injection of this peptide produces a relapsing-remitting neurologic disease with extensive plaque-like demyelination; immunization with MOG (35-55) suppresses spontaneous regeneration of dopaminergic neurons injured with MPTP.
Myelin Oligodendrocyte Glycoprotein Peptide Fragment 35-55 induces experimental autoimmune encephalomyelitis in rodents; a single injection of this peptide produces a relapsing-remitting neurologic disease with extensive plaque-like demyelination; immunization with MOG (35-55) suppresses spontaneous regeneration of dopaminergic neurons injured with MPTP.
M4199 Myelin Oligodendrocyte Glycoprotein (40-54), Rat, Mouse lyophilized powder The 21-residue peptide MOG 35-55 contains an antigenic epitope responsible for the activation of CD8 encephalitogenic T cells in mice. Two truncated peptides, MOG 40-54 and MOG 44-54 were shown to bind the recombinant H-2Db protein. This complex then binds MOG specific CD8 T cells. While MOG 40-54 retained the full capability of inducing paralytic disease, MOG 44-54 only partialy causes clinical paralysis and central nervous system inflamation.
M4324 Myelin Oligodendrocyte Glycoprotein (44-54), Rat, Mouse lyophilized powder The 21-residue peptide MOG 35-55 contains an antigenic epitope responsible for the activation of CD8 encephalitogenic T cells in mice. Two truncated peptides, MOG 40-54 and MOG 44-54 were shown to bind the recombinant H-2Db protein. This complex then binds MOG specific CD8 T cells. While MOG 40-54 retained the full capability of inducing paralytic disease, MOG 44-54 only partialy causes clinical paralysis and central nervous system inflamation.
N190 [D-Tyr27,36, D-Thr32]-Neuropeptide Y fragment 27-36, rat >97%, lyophilized powder [D-Tyr27,36, D-Thr32]-Neuropeptide Y fragment 27-36, rat is neurotransmitter.
N0909 Nociceptin Fragment 1-7 Reduces nociceptin-induced hyperalgesia in mice. This endogenously formed N-terminal fragment may modulate the hyperalgesic action of nociceptin in the spinal cord.
P3116 [pSer392]-p53 >90% (HPLC), solid Positive control peptide for the [Ser392]-p53 rabbit polyclonal antibody.
670820 Pam3-Cys-OH ≥98.0% (TLC)  
P0175 pGlu-Val-Asn-Phe-Ser-Pro-Gly-Trp-Gly-Thr-NH2 ≥95% (HPLC) Hypertrehalosemic neuropeptide from cockroach (Nauphoeta cinerea) with an amino acid sequence similar to that of adipokinetic hormone; involved in carbohydrate metabolism and increases the trehalose content of hemolymph.
Glp-Val-Asn-Phe-Ser-Pro-Gly-Trp-Gly-Thr-NH2 is a hypertrehalosemic neuropeptide (Nauphoeta cinerea) has an amino acid sequence similar to that of adipokinetic hormone and is involved in carbohydrate metabolism and increases the trehalose content of hemolymph.
P3708 Phe-Gln-Val-Val-Cys(NPYS)-Gly-NH2 ≥95% (HPLC) Selectively blocks thrombin-induced platelet aggregation by binding to platelet calpain. Does not inhibit platelet aggregation induced by hemostasis factors other than thrombin.
P5523 Phe-Leu-Glu-Glu-Leu ≥97% (HPLC)  
P5398 Phe-Leu-Glu-Glu-Val ≥97% (HPLC)  
P3293 Phe-Leu-Phe-Gln-Pro-Gln-Arg-Phe amide ≥95% (HPLC) Attenuates analgesic effects of morphine
P3121 Phe-Phe-Phe-Phe-Phe acetate salt ≥97% (HPLC)  
P5963 Platelet-derived Growth Factor β−Receptor Fragment 742-758 ≥95% (HPLC)  
P3616 [pTyr783]-PLCγ ≥80% (HPLC), solid Positive control peptide for the [Tyr783]-PLCγ rabbit polyclonal antibody.
P2076 Polymyxin B nonapeptide hydrochloride cationic cyclic peptide Polymyxin B nonapeptide (PMBN), a cationic cyclic peptide derived from the antibacterial peptide polymyxin B, specifically increases the permeability of the outer membrane of Gram-negative bacteria toward hydrophobic antibiotics. PMBN has been used to evaluate multidrug efflux inhibitors in E. coli.
Polymyxin B nonapeptide hydrochloride is a derivative of PMB that induces outer membrane permeability in gram-negative bacteria.
P2655 [Tyr52, Asp76]-PTH Fragment 52-84 human ≥97% (HPLC)  
SRP3147 Relaxin-2 human recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), cell culture tested Of the three known relaxin genes, Relaxin-2 (RLN2) is the only relaxin known to circulate in the blood. Relaxin-2 binds specifically to the LGR7 (leucine-rich repeat-containing G-protein coupled receptor 7) and LGR8 receptors, previously identified as an "orphan" G protein coupled receptors. Signaling by Relaxin-2 through its target receptors enhances the growth of pubic ligaments and ripening of the cervix during birth. Relaxin-2 also participates in cancer progression. In prostate cancer, it is responsible for tumor growth and vascularisation. Relaxin-2 is also linked with anti-fibrotic and cardioprotective effects.
R8129 Renin Substrate Tetradecapeptide porcine ≥97% (HPLC)  
S157 Sarafotoxin 6c, [Lys4]-  
S7152 Ser-Phe-Leu-Leu-Arg-Asn-Pro-Asn-Asp-Lys-Tyr-Glu-Pro-Phe ≥97% (HPLC) Thrombin receptor activator
S8701 SFLLR-NH2 trifluoroacetate salt ≥95% (HPLC), powder SFLLR-NH2 is a PAR-1 (Protease-Activated Receptor) selective activating peptide, also known as Thrombin Receptor Activating Peptide 5 (TRAP-5). Protease-activated receptors (PARs) are present on various organs including, platelets, mast cell, gallblader, oesophagus etc, and regulate various physiological processes including human platelet aggregation, vascular contraction/relaxation, and an increase in endothelial permeability. Recent papers indicated that PAR′s are also involved in sensory processing and proliferation of astrocytes.
S5440 [Ser727]-STAT3 ≥85% (HPLC)  
GASTRINS Synthetic Gastrin Kit  
T8786 Thr-Phe-Gln-Ala-Tyr-Pro-Leu-Arg-Glu-Ala ≥97% (HPLC)  
T8806 Thymopentin ≥97% (HPLC)  
SRP3324 Thymosin β4 human recombinant, expressed in E. coli, ≥95% (SDS-PAGE), ≥95% (HPLC) In mammalian tissues, thymosin-β4 protein acts as a modulator for the polymerization/depolymerization of actin through the formation of a 1:1 complex with the monomer G (globular)-actin, and inhibits actin’s polymerization to form F (filamentous) actin, which together with other proteins binds microfilaments to construct the cytoskeleton. In addition to regulating actin polymerization, research has also found thymosin-β4 to stimulate the secretion of hypothalamic luteinizing hormone-releasing hormone and luteinizing hormone, inhibit the migration of peritoneal macrophages, induce phenotypic changes in T cell lines during early host defense mechanisms, and inhibit the progression of hematopoietic pluripotent stem cells into the S-phase. It also enhances angiogenesis, endothelial cell migration and adhesion and tubule formation. Thymosin-β4 also participates in wound healing by reducing inflammation and by exhibiting anti-fibrotic effects. It also controls the migration of cancer cells.
T8661 Transforming Growth Factor-α Fragment 34-43 Rat ≥97% (HPLC)  
T8455 Tyrosinase Fragment 369-377 human The Tyrosinase enzyme catalyzes the first steps in the conversion of tyrosine to melanin. This is a membrane bound enzyme expressed in primary and metastatic melanoma lesions. The Tyrosine fragment 369-377 peptide is presented by HLA-A2 antigen to CTLs.
Tyrosinase Fragment 369-377 human is a peptide fragment of enzyme tyrosinase belongs to tyrosinase family. It catalyzes three distinct reactions, the hydroxylation of a monophenol, the dehydrogenation of a catechol and the dehydrogenation of a dihydroxyindole during biosynthesis of melanin.
T5517 Tyr-D-Trp-Ala-Trp-D-Phe amide ≥95% (HPLC) Releases growth hormone from rat pituitary in vitro.
V6505 Valosin Porcine ≥97% (HPLC) Stimulates pancreatic secretion.
V7009 [Arg8]-Vasotocin-Gly-Lys ≥97% (HPLC)  
V1258 [Arg8]-Vasotocin-Gly-Lys-Arg ≥97% (HPLC)