Peptides

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.

Tertiapin-Q is a highly selective blocker of GIRK1/4 heterodimer and ROMK1 (Kir1.1).

Difelikefalin (CR-845; FE-202845) is a peripherally restricted and selective agonist of kappa opioid receptor (KOR). Difelikefalin produces anti-inflammatory effects and has the potential in modulating pruritus in conditions such as chronic kidney disease.

Argireline (Acetyl hexapeptide-3) is a non-toxic, skin-permeable, antiwrinkle peptide. Argireline significantly inhibits Ca2+ dependent neurotransmitter release (acetylcholine) at the neuromuscular junction. Argireline has antiwrinkle and anti-aging activity.

Epsilon-V1-2 (ε-V1-2), a PKCε-derived peptide, is a selective PKCε inhibitor. Epsilon-V1-2 inhibits the translocationof PKCε, but not α-, β-, and δPKC.

Oxyntomodulin (bovine, porcine), a 37-amino acid peptide hormone, is a glucagon-like peptide 1 (GLP-1) receptor agonist.

Nociceptin, a heptadecapeptide, is the endogenous ligand of the nociceptin receptor, acting as a potent anti-analgesic.

Teduglutide is a dipeptidyl peptidase IV resistant glucagon-like peptide 2 (GLP-2) analogue. Teduglutide is associated with trophic effects on gut mucosa. Teduglutide can be used for the research of short bowel syndrome (SBS) and Crohn's disease (CD).

Gastrin-Releasing Peptide, human (GRP) belongs to the bombesin-like peptide family, and is not a classical hypothalamic-hypophyseal regulatory hormone since it plays only a perfunctory role in the mediation of pituitary hormone release.

Pramlintide acetate is a polypeptide analogue of human amylin. Pramlintide acetate, an antidiabetic agent, is antineoplastic in colorectal cancer.

C-Type Natriuretic Peptide (CNP) (1-22), human (TFA),a 1-22 fragment of CNP, is a natriuretic peptide receptor B (NPR-B) agonist. C-Type Natriuretic Peptide (CNP) (1-22), human (TFA) 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.

Hexa-His is a peptide consisting of 6 His residues, used as a metal binding site for the recombinant protein.

PKI(5-24) is a potent, competitive, and synthetic peptide inhibitor of PKA (cAMP-dependent protein kinase), with a Ki of 2.3 nM. PKI(5-24) corresponds to residues 5-24 in the naturally occurring heat-stable protein kinase inhibitor.

N-Acetylcarnosine, a natural histidine-containing dipeptide, is a source of pharmacological principal L-carnosine. N-Acetylcarnosine is a potent ophthalmic agent in human cataracts.

Tat-NR2B9c TFA (Tat-NR2Bct TFA) is a postsynaptic density-95 (PSD-95) inhibitor, with EC50 values of 6.7 nM and 670 nM for PSD-95d2 (PSD-95 PDZ domain 2) and PSD-95d1, respectively. Tat-NR2B9c TFA disrupts the PSD-95/NMDAR interaction, inhibiting NR2A and NR2B binding to PSD-95 with IC50 values of 0.5 μM and 8 μM, respectively. Tat-NR2B9c TFA also inhibits neuronal nitric oxide synthase (nNOS)/PSD-95 interaction, and possesses neuroprotective efficacy.

Fmoc-L-Lys(Dde)-OH is a lysine derivative.

Beinaglutide is a human GLP-1 polypeptide that shares almost 100% homology with human GLP-1 (7-36). Beinaglutide displays does-dependent effects in glycemic control, inhibiting food intake and gastric empty and promoting weight loss. Beinaglutide has the potential for the research of overweight/obesity and nonalcoholic steatohepatitis (NASH).