Peptides

COG1410 is an apolipoprotein E-derived peptide and an apoptosis inhibitor. COG1410 exerts neuroprotective and antiinflammatory effects in a murine model of traumatic brain injury (TBI). COG1410 can be used for the research of neurological disease.

Polymyxin B nonapeptide TFA is a cyclic peptide obtained from Polymyxin B by proteolytic removal of its terminal amino acyl residue. Polymyxin B nonapeptide TFA is less toxic, lacks bactericidal activity, and retains its ability to render gram-negative bacteria susceptible to several antibiotics by permeabilizing their outer membranes.

LL-37, human is a 37-residue, amphipathic, cathelicidin-derived antimicrobial peptide, which exhibits a broad spectrum of antimicrobial activity. LL-37, human could help protect the cornea from infection and modulates wound healing.

Z-Gly-Gly-Arg-AMC acetate is a thrombin-specific fluorogenic substrate for testing of thrombin generation in PRP and platelet-poor plasma (PPP).

[Leu15]-Gastrin I (human) is a peptide. Gastrin exerts its function through G-protein-coupled receptor called the cholecystokinin (CCK) or CCK-B receptor (CCK-BR).

Neurotensin, a gut tridecapeptide, acts as a potent cellular mitogen for various colorectal and pancreatic cancers which possess high-affinity neurotensin receptors (NTR).

GPRP acetate (Gly-Pro-Arg-Pro acetate) is a fibrin polymerization inhibitor that inhibits the interaction of fibrinogen with the platelet membrane glycoprotein IIb/IIIa complex (GPIIb/IIIa).

YAP-TEAD-IN-1 TFA is a potent and competitive peptide inhibitor of YAP-TEAD interaction (IC50=25 nM). YAP-TEAD-IN-1 TFA is a 17mer peptide and shows a higher the binding affinity to TEAD1 (Kd=15 nM) than YAP (50-171) (Kd= 40 nM).

PACAP (1-38), human, ovine, rat is a neuropeptide with 38 amino acid residues. PACAP (1-38) binds to PACAP type I receptor, PACAP type II receptor VIP1, and PACAP type II receptor VIP2 with IC50s of 4 nM, 2 nM, and 1 nM, respectively.

Laminin (925-933) (TFA) is a peptide derived from residues 925-933 of the Laminin B1 chain that binds to the laminin receptor.

iRGD peptide is a 9-amino acid cyclic peptide, triggers tissue penetration of agents by first binding to av integrins, then proteolytically cleaved in the tumor to produce CRGDK/R to interact with neuropilin-1, and has tumor-targeting and tumor-penetrating properties.

Z-Ala-Ala-Asn-AMC (Cbz-Ala-Ala-Asn-AMC) is the legumain substrate. Overexpressed legumain in 293 HEK-Leg cells potently cleaved CBZ-Ala-Ala-Asn-AMC.

GLP-1(7-37) acetate is an intestinal insulinotropic hormone that augments glucose induced insulin secretion.

COG 133 TFA is a fragment of Apolipoprotein E (APOE) peptide. COG 133 TFA competes with the ApoE holoprotein for binding the LDL receptor, with potent anti-inflammatory and neuroprotective effects. COG 133 TFA is also a nAChR antagonist with an IC50 of 445 nM.

Cyclo(Phe-Pro) (Cyclo(phenylalanylprolyl)), a Vibrio vulnificus quorum-sensing molecule, inhibits retinoic acid-inducible gene-I (RIG-I) polyubiquitination, through its specific interaction with RIG-I, to blunt IRF-3 activation and type-I IFN production. Cyclo(Phe-Pro) (Cyclo(phenylalanylprolyl)) enhances susceptibility to hepatitis C virus (HCV), as well as Sendai and influenza viruses.

LQVTDSGLYRCVIYHPP (LP17) is a triggering receptor expressed on myeloid cells (TREM-1) inhibitory peptide. LQVTDSGLYRCVIYHPP substantially alleviates ischemia-induced infarction and neuronal injury. LQVTDSGLYRCVIYHPP can get access into brain and block TREM-1.

2-Furoyl-LIGRLO-amide is a potent and selective proteinase-activated receptor 2 (PAR2) agonist with a pD2 value of 7.0..

Rat CGRP-(8-37) (VTHRLAGLLSRSGGVVKDNFVPTNVGSEAF) is a highly selective CGRP receptor antagonist.

TAK-448 acetate (MVT-602 acetate) is a potent and full KISS1R agonist with an IC50 of 460 pM and an EC50 of 632 pM.

Angstrom6 (A6 Peptide) is an 8 amino-acid peptide derived from single-chain urokinase plasminogen activator (scuPA) and interferes with the uPA/uPAR cascade and abrogates downstream effects. Angstrom6 binds to CD44 resulting in the inhibition of migration, invasion, and metastasis of tumor cells, and the modulation of CD44-mediated cell signaling.

Compstatin, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin inhibits only the activation of primates' complement system. Compstatin exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively.

DOTATATE acetate is a DOTA-conjugated peptide. DOTATATE acetate can be labelled with radionuclides for positron emission tomography (PET) imaging and peptide receptor radionuclide research (PRRT).

SHU 9119 is a potent human melanocortin 3 and 4 receptors (MC3/4R) antagonist and a partial MC5R agonist; with IC50 values of 0.23, 0.06, and 0.09 nM for human MC3R, MC4R and MC5R, respectively.

Dynorphin A is an endogenous opioid peptide involved in inhibitory neurotransmission in the central nervous system (CNS). Dynorphin A is a highy potent kappa opioid receptor (KOR) agonist, and is also an agonist for other opioid receptors, such as mu (MOR) and delta (DOR). Dynorphin A can induce neuronal death, and can be used in the research of neurological disease.

IRBP (1-20), human contains a major epitope for the H-2b haplotype. IRBP (1-20), human induces experimental autoimmune uveoretinitis (EAU) in H-2b mice.

Tat-beclin 1, a peptide derived from a region of the autophagy protein (beclin 1), is a potent inducer of autophagy and interacts with negative regulator of autophagy, GAPR-1 (GLIPR2). Tat-beclin 1 decreases the accumulation of polyglutamine expansion protein aggregates and the replication of several pathogens (including HIV-1) in vitro, and reduces mortality in mice infected with chikungunya (CHIKV) or West Nile virus (WNV).

Alamethicin, isolated from Trichoderma viride, is a channel-forming peptide antibiotic and induces voltage-gated conductance in model and cell membranes.

Neurotensin (8-13) is an active fragment of Neurotensin. Neurotensin(8-13) results in a decrease in cell-surface NT1 receptors (NTR1) density.

Pasireotide (SOM230) acetate, a long-acting cyclohexapeptide somatostatin analogue, can improve agonist activity at somatostatin receptors (subtypes sst1/2/3/4/5, pKi=8.2/9.0/9.1/<7.0/9.9, respectively). Pasireotide acetate can suppress GH, IGF-I and ACTH secretion, indicating potential efficacy in acromegaly and Cushing's disease. Pasireotide acetate also exhibits antisecretory, antiproliferative, and proapoptotic activity.

Lanreotide (BIM 23014) acetate is a somatostatin analogue with antineoplastic activity. Lanreotide acetate can be used for the research of carcinoid syndrome.

Melanotan I is a potent non-selective melanocortin receptor (MCR) agonist. Melanotan I is a synthetic analogue of α-melanocyte stimulating hormone (α-MSH) that stimulates melanogenesis. Melanotan I can induce skin tanning by mimicking the actions of a-MSH on the melanocortin type 1 receptors (MC1R) of melanocytes. Melanotan I can be used for sunlight-induced skin cancers research.

Apamin (Apamine) is an 18 amino acid peptide neurotoxin found in apitoxin (bee venom), is known as a specifically selective blocker of Ca2+-activated K+ (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity.

Colivelin is a brain penetrant neuroprotective peptide and a potent activator of STAT3, suppresses neuronal death by activating STAT3 in vitro. Colivelin exhibits long-term beneficial effects against neurotoxicity, Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin has the potential for the treatment of alzheimer's disease and ischemic brain injury

Tyr-Gly-Gly-Phe-Met-OH regulates human immune function and inhibits tumor growth via binding to the opioid receptor.

Pep2-8 is a PCSK9 inhibitor with a binding KD of 0.7 μM and an IC50 of 1.4 μM.

Fmoc-Arg(Pbf)-OH is an arginine derivative containing amine protecting group Fmoc. Fmoc-Arg(Pbf)-OH is a building block for the introduction of Arg into SPPS (Solid-Phase Peptide Synthesis).

Tuftsin is a tetrapeptide. Tuftsin is a macrophage/microglial activator.

Protease-Activated Receptor-2, amide (SLIGKV-NH2) is a highly potent protease-activated receptor-2 (PAR2) activating peptide.

Adrenomedullin (AM) (22-52), human, an NH2 terminal truncated adrenomedullin analogue, is an adrenomedullin receptor antagonist, and also antagonizes the calcitonin generelated peptide (CGRP) receptor in the hindlimb vascular bed of the cat.

GIP (3-42), human acts as a glucose-dependent insulinotropic polypeptide (GIP) receptor antagonist, moderating the insulin secreting and metabolic actions of GIP in vivo.

CYN 154806 TFA, a cyclic octapeptide, is a potent and selective somatostatin sst2 receptor antagonist, with pIC50 values of 8.58, 5.41, 6.07, 5.76 and 6.48 for human recombinant sst2, sst1, sst3, sst4 and sst5 receptors respectively.

D-JNKI-1 (AM-111) is a highly potent and cell-permeable peptide inhibitor of JNK.

Peripheral Myelin P0 Protein (180-199), mouse, a neuritogenic peptide, is a purified component of murine peripheral nerve myelin.

Carperitide acetate (Atrial Natriuretic Peptide (ANP) (1-28), human, porcine acetate) is a 28-amino acid hormone, that is normally produced and secreted by the human heart in response to cardiac injury and mechanical stretch. Carperitide acetate inhibits endothelin-1 secretion in a dose-dependent way.

Bulevirtide (Myrcludex B) is a NTCP inhibitor, a linear lipopeptide of 47 amino acids. Bulevirtide inhibits HBV and HDV entry into liver cells, blocks HBV infection in hepatocytes, and participates in HBV transcriptional suppression. Bulevirtide can be used in HDV infection and compensated cirrhosis research.

GPRP (Pefa 6003) is a fibrin polymerization inhibitor that inhibits the interaction of fibrinogen with the platelet membrane glycoprotein IIb/IIIa complex (GPIIb/IIIa).

C-Type Natriuretic Peptide (CNP) (1-22), human, a 1-22 fragment of CNP, is a natriuretic peptide receptor B (NPR-B) agonist. C-Type Natriuretic Peptide (CNP) (1-22), human inhibits cAMP synthesis stimulated by the physiological agonists histamine and 5-HT or directly by Forskolin. CNP is a potent, endothelial-derived relaxant and growthinhibitory factor.

GO-203 TFA is a potent MUC1-C oncoprotein inhibitor. GO-203 TFA is an anti-cancer peptide for targeting intracellular proteins.

Ac-DEVD-AMC is a fluorescent substrate of caspase-3/caspase-7. When treating Ac-DEVD-AMC with cell lysate, Ac-DEVD-AMC releases amino-4-methylcoumarin (AMC) for fluorescence detection, with an excitation wavelength of 380 nm and an emission wavelength of 460 nm.

Cibinetide (ARA290) is an EPO-derivative, acting as a specific agonist of erythropoietin/CD131 heteroreceptor, and used for neurological disease treatment.