Peptides

Abz-FR-K(Dnp)-P-OH is an angiotensin I-converting enzyme (ACE) substrate and an internally quenched fluorogenic substrate for real time fluorescent assay.

Maculosin is a host-specific phytotoxin for spotted knapweed from Alternaria alternata. Maculosin is a quorum-sensing molecule involved in cell-cell communication by Pseudomonas aeruginosa. Maculosin also acts as a signaling molecule regulating virulence gene expression in Lactobacillus reuteri. Maculosin shows antioxidant, anti-cancer and non-toxicity properties. Maculosin shows cytotoxic activity against the human liver cancer cell lines, with an IC50 of 48.90 μg/mL.

(D-Trp12,Tyr34)-pTH (7-34) amide (bovine) is a potent and competitive antagonist of parathyroid hormone (PTH), with a Ki of 69 nM in bovine renal cortical membrane. (D-Trp12,Tyr34)-pTH (7-34) amide (bovine) can be used for growth and development regulation.

TPP-1 is a potent inhibitor of the PD-1/PD-L1 interaction. TPP-1 binds specifically to PD-L1 with a high affinity (KD=95 nM). TPP-1 inhibits human tumor growth in vivo via reactivating T-cell function.

Zilucoplan (RA101495), a 15-amino acid macrocyclic peptide, is a potent complement component 5 (C5) inhibitor. Zilucoplan can be used in research of immune-mediated necrotising myopathy (IMNM).

FOXO4-DRI is a cell-permeable peptide antagonist that blocks the interaction of FOXO4 and p53. FOXO4-DRI is a senolytic peptide that induces apoptosis of senescent cells.

(S)-2-[(tert-Butoxycarbonyl)amino]-3-iodopropionic acid methyl ester is an alanine derivative.

Litorin, an amphibian bombesin peptide derivative, is an bombesin receptor agonist. Litorin stimulates the contraction of smooth muscle, stimulates gastrin, gastric acid, and pancreatic secretion, and suppresses the nutriment in vivo.

Relamorelin (RM-131) TFA, a pentapeptide ghrelin analog, is a selective ghrelin/growth hormone secretagogue receptor (GHSR) agonist with a Ki of 0.42 nM for GHS-1a receptor. Relamorelin TFA is centrally penetrant. Relamorelin TFA increases growth hormone levels and accelerates gastric emptying. Relamorelin TFA has the potential for cachexia, gastroparesis, and gastric/intestinal dysmobility disorders research.

Polymyxin B1 is a potent antimicrobial lipopeptide first derived from Bacilus polymyxa. Polymyxin B1 is the major component in Polymyxin B. Polymyxin B1 can induce lysis of bacterial cells through interaction with their membranes. Polymyxin B1 has the potential for multidrug-resistant Gram-negative bacterial infections treatment.

Endomorphin 2 TFA, a high affinity, highly selective agonist of the μ-opioid receptor, displays reasonable affinities for kappa3 binding sites, with Ki value between 20 and 30 nM.

Neurokinin B TFA belongs to the tachykinin family of peptides. Neurokinin B binds a family of GPCRs-including neurokinin receptor 1 (NK1R), NK2R, and NK3R-to mediate their biological effect.

[Met5]-Enkephalin, amide TFA is an agonist for δ opioid receptors as well as putative ζ (zeta) opioid receptors.

H-D-Glu-OtBu is a glutamic acid derivative.

Boc-Lys-OH is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

CTCE-9908 is a potent and selective CXCR4 antagonist. CTCE-9908 induces mitotic catastrophe, cytotoxicity and inhibits migration in CXCR4-expressing ovarian cancer cells.

GRF (1-29) amide (rat) is a synthetic peptide which can stimulate the growth hormone (GH) secretion.

HSDVHK-NH2 is an antagonist of the integrin αvβ3-vitronectin interaction, with an IC50 of 1.74 pg/mL (2.414 pM).

RFRP-3 (Neuropeptide VF(124-131))(human), a human GnIH peptide homolog, is a potent inhibitor of gonadotropin secretion by inhibiting Ca2+ mobilization. RFRP-3(human) is a NPFF1 receptor agonist, it inhibits forskolin-induced production of cAMP with an IC50 of 0.7 nM.

FSLLRY-NH2 is a protease-activated receptor 2 (PAR2) inhibitor.

OXA(17-33) is a potent and selective orexin-1 receptor (OX1) agonist. OXA(17-33) shows a ~23-fold selectivity for the OX1 (EC50=8.29 nM) over OX2 (187 nM).

des-Gln14-Ghrelin is a second endogenous ligand for the growth hormone secretagogue receptor. a). des-Gln14-ghrelin potently induces increases in [Ca2+]i in CHO-GHSR62 cells, with an EC50 of 2.4 nM.

Thyrotropin-Releasing Hormone (TRH), Free Acid (TRH-OH) is a physiological metabolite of Thyrotropin-Releasing Hormone.

CREBtide is a CREB (cAMP response element binding protein)-like peptide. CREBtide, a synthetic 13 amino acid peptide, has been reported as a PKA substrate.

Fibrinogen-Binding Peptide (designed by anticomplementarity hypothesis) is a presumptive peptide mimic of the vitronectin binding site on the fibrinogen receptor. Fibrinogen-Binding Peptide binds fibrinogen and inhibits both the adhesion of platelets to fibrinogen and platelet aggregation, and also inhibits the adhesion of platelets to vitronectin.

Cyclo(L-Trp-L-Trp) is an antibiotic, and shows antimicrobial activity. Cyclo(L-Trp-L-Trp) can inhibit A. baumannii, as well as Candida albicans, Bacillus subtilis, Micrococcus luteus, Saccharomyces cerevisiae, Aspergillus niger, Staphylococcus aureus. Cyclo(L-Trp-L-Trp) can be used in microbial infection research.

TAT-amide is a cell penetrating peptide. Cell-penetrating peptides (CPPs) are short amino acid sequences able to enter different cells.

DX600 is a selective ACE2 specific inhibitor (KD: 1.3 nM), and does not cross-react with ACE. DX600 exacerbates diabetes-induced cardiovascular dysfunction and the increase in cardiac and renal NOX activity.

Boc-Leu-Gly-Arg-AMC is a fluorogenic AMC substrate for the convertases. Boc-Leu-Gly-Arg-AMC can be used in enzymatic assays.

Apelin-12 is one of the most potent C-terminal fragments of the polypeptide that possesses a high affinity to orphan receptor APJ receptor. Apelin-12 is involved in the regulation of body fluid homeostasis and in the central control of feeding. Apelin-12 blocks HIV-1 entry through APJ receptor. Apelin-12 exerts neuroprotective effect.

VPM peptide is a dithiol protease-cleavable peptide cross-linker. VPM peptide can be incorporated into the backbone of the PEG-diacrylate (PEG-DA) macromer to form PEG hydrogel.

β-Neo-Endorphin is an endogenous opioid peptide. β-Neo-Endorphin is a hypothalamic "big" Leu-enkephalin of porcine origin. β-Neo-Endorphin shows activation of the Erk1/2, MMP-2 and MMP-9.

CTP is a cardiac targeting peptide. CTP transduces cardiomyocytes in vitro. CTP leads to efficient and specific transduction of heart tissue in mice model. CTP can be used to deliver therapeutic peptides, proteins and nucleic acid specifically to the heart.

Fmoc-D-Glu(OtBu)-OH is a glutamic acid derivative.

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

Osteogenic Growth Peptide (10-14) (OGP(10-14)), the C-terminal truncated pentapeptide of osteogenic growth peptide (OGP), retains the full OGP-like activity. Osteogenic Growth Peptide (10-14) is responsible for the binding to the OGP receptor and activates an intracellular Gi-protein-MAP kinase signaling pathway. Osteogenic Growth Peptide (10-14) is a potent mitogen and stimulator of osteogenesis and hematopoiesis. Osteogenic Growth Peptide (10-14) acts as a Src inhibitor.

Ac-YVAD-CHO (L-709049) is a potent, reversible, specific tetrapeptide interleukin-lβ converting enzyme (ICE) inhibitor with mouse and human Ki values of 3.0 and 0.76 nM. Ac-YVAD-CHO is also a caspase-1 inhibitor. Ac-YVAD-CHO can suppress the production of mature IL-lβ.

Thymopentin acetate is a biologically active peptide secreted mainly by the epithelial cells of thymic cortex and medulla. Thymopentin acetate is an effective immunomodulatory agent with a short plasma half-life of 30 seconds. Thymopentin acetate enhances the generation of T-cell lineage derived from human embryonic stem cells (hESCs).

Lysipressin (Lysine vasopressin) acetate is antidiuretic hormone that have been found in pigs and some marsupial families. Lysipressin acetate induces contraction of the rabbit urinary bladder smooth muscle, activate adenylate-cyclase.

Aviptadil acetate is an analog vasoactive intestinal polypeptide (VIP) with potent vasodilatory effects. Aviptadil acetate induces pulmonary vasodilation and inhibits vascular SMCs proliferation, platelet aggregation. Aviptadil acetate can be used for the research of pulmonary fibrosis, pulmonary arterial hypertension (PAH) and SARS-CoV-2 caused respiratory failure, et al.

DAMGO TFA is a μ-opioid receptor (μ-OPR ) selective agonist with a Kd of 3.46 nM for native μ-OPR.

[Des-Arg9]-Bradykinin acetate is a Bradykinin B1 receptor agonist that displays selectivity for B1 over B2 receptors.

Arg-Gly-Asp-Cys TFA is the binding motif of fibronectin to cell adhesion molecules. Arg-Gly-Asp-Cys TFA can inhibit platelet aggregation and fibrinogen binding.

RNAIII-inhibiting peptide(TFA) is a potent inhibitor of Staphylococcus aureus, effective in the diseases such as cellulitis, keratitis, septic arthritis, osteomylitis and mastitis.

Substance P(1-7) TFA is a fragment of the neuropeptide, substance P (SP). Substance P(1-7) TFA gives depressor and bradycardic effects when applied to the nucleus tractus solitarius.

Cyclo(Arg-Gly-Asp-D-Phe-Val) (TFA) is an integrin αvβ3 inhibitor. Cyclo(Arg-Gly-Asp-D-Phe-Val) (TFA) has antitumor activity. Cyclo(Arg-Gly-Asp-D-Phe-Val) (TFA) can be used for the research of acute myeloid leukemia.

Pyr-Arg-Thr-Lys-Arg-AMC TFA is a AMC peptide. AMC is a decapeptide that is specifically hydrolyzed by proteases such as trypsin and thrombin. The AMC peptide can be used to determine the activity of protease and the potency of enzyme inhibitors.

D-a-tert-Butyl-Gly-OH is a leucine derivative.

(S)-2,6-Bis((tert-butoxycarbonyl)amino)hexanoic acid is a polypeptide derivative, can be used to synthesis multifunctional amphiphilic peptide dendrimer, as a nonviral gene vectors, realizes the method in cancer research. (S)-2,6-Bis((tert-butoxycarbonyl)amino)hexanoic acid also involves in the synthesis of an organic substance that increases the luminescence intensity of alkaline phosphatase substrates.

Fmoc-Ser(tBu)-OH is a serine derivative.