1. Peptides

Peptides

Diverse Functions Quality Assurance

Peptides, which are short chains of amino acids linked by peptide bonds, have a variety of biological functions, such as, anti-thrombosis, anti-hypertension, anti-microbial, anti-tumor and anti-oxidation, immune-regulation, and cholesterol-lowering effects. Peptides have been widely used in functional analysis, antibody research, vaccine research, and especially the field of drug research and development.

MedChemExpress (MCE) offers a comprehensive collection of high quality peptides including tag peptides, therapeutics peptides, cell-penetrating peptides and amino acid derivatives to clients in pharmaceutical and academic institutions all over the world. Unlimited Custom Peptide Service is also available to help researchers propel their projects.

Peptides (6780):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-13948
    Angiotensin II human 4474-91-3 99.96%
    Angiotensin II (Angiotensin II) is a vasoconstrictor and a major bioactive peptide of the renin/angiotensin system. Angiotensin II human plays a central role in regulating human blood pressure, which is mainly mediated by interactions between Angiotensin II and the G-protein-coupled receptors (GPCRs) Angiotensin II type 1 receptor (AT1R) and Angiotensin II type 2 receptor (AT2R). Angiotensin II human stimulates sympathetic nervous stimulation, increases aldosterone biosynthesis and renal actions. Angiotensin II human induces growth of vascular smooth muscle cells, increases collagen type I and III synthesis in fibroblasts, leading to thickening of the vascular wall and myocardium, and fibrosis. Angiotensin II human also induces apoptosis. Angiotensin II induces capillary formation from endothelial cells via the LOX-1 dependent redox-sensitive pathway.
    Angiotensin II human
  • HY-P0035
    Insulin (human) 11061-68-0
    Insulin (human) is a polypeptide hormone that regulates the level of glucose.
    Insulin (human)
  • HY-A0190
    Ceruletide 17650-98-5 ≥98.0%
    Ceruletide is a decapeptide and a potent cholecystokinin receptor agonist. Ceruletide is a safe and effective cholecystokinetic agent with a direct spasmogenic effect on the gallbladder muscle and bile ducts.
    Ceruletide
  • HY-P0175
    740 Y-P 1236188-16-1 99.67%
    740 Y-P (740YPDGFR; PDGFR 740Y-P) is a potent and cell-permeable PI3K activator. 740 Y-P readily binds GST fusion proteins containing both the N- and C- terminal SH2 domains of p85 but fails to bind GST alone.
    740 Y-P
  • HY-P1156
    Insulin(cattle) 11070-73-8 99.94%
    Insulin cattle is a two-chain polypeptide hormone produced in vivo in the pancreatic β cells. Insulin cattle has often been used as growth supplement in culturing cells.
    Insulin(cattle)
  • HY-P1410
    GsMTx4 1209500-46-8 99.48%
    GsMTx4 is a spider venom peptide that selectively inhibits cationic-permeable mechanosensitive channels (MSCs) belonging to the Piezo and TRP channel families. GsMTx4 also blocks cation-selective stretch-activated channels (SACs) , attenuates lysophosphatidylcholine (LPC)-induced astrocyte toxicity and microglial reactivity. GsMTx4 is an important pharmacological tool for identifying the role of these excitatory MSCs in normal physiology and pathology.
    GsMTx4
  • HY-114118
    Semaglutide 910463-68-2 ≥99.0%
    Semaglutide, a long-acting GLP-1 analogue, is a glucagon-like peptide-1 (GLP-1) receptor agonist. Semaglutide has the potential for type 2 diabetes treatment.
    Semaglutide
  • HY-P0223
    FLAG peptide 98849-88-8 99.51%
    FLAG peptide is an eight amino acids peptide (Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys) with an enterokinase-cleavage site; designed for antibody-mediated identification and purification of recombinant proteins.
    FLAG peptide
  • HY-13443
    Exendin-4 141758-74-9 99.94%
    Exendin-4 (Exenatide), a 39 amino acid peptide, is a long-acting glucagon-like peptide-1 receptor agonist with an IC50 of 3.22 nM.
    Exendin-4
  • HY-P0017
    Aprotinin 9087-70-1 ≥98.0%
    Aprotinin is a bovine pancreatic trypsin inhibitor (BPTI) inhibitor which inhibits trypsin and chymotrypsin with Kis of 0.06 pM and 9 nM, respectively.
    Aprotinin
  • HY-P0018
    Pepstatin 26305-03-3 ≥98.0%
    Pepstatin (Pepstatin A) is a specific, orally active aspartic protease inhibitor produced by actinomycetes, with IC50s of 4.5 nM, 6.2 nM, 150 nM, 290 nM, 520 nM and 260 nM for hemoglobin-pepsin, hemoglobin-proctase, casein-pepsin, casein-proctase, casein-acid protease and hemoglobin-acid protease, respectively. Pepstatin also inhibits HIV protease.
    Pepstatin
  • HY-P0319
    3X FLAG peptide 402750-12-3 99.97%
    3X FLAG peptides are FLAG-tagged peptides containing three repeats of the Asp-Tyr-Lys-Xaa-Xaa-Asp motif. 3X FLAG peptide can be used for protein separation and purification, and competitive elution with target proteins.
    3X FLAG peptide
  • HY-101297
    Z-IETD-FMK 210344-98-2 ≥98.0%
    Z-IETD-FMK (Z-IE(OMe)TD(OMe)-FMK) is a selective and cell permeable caspase-8 inhibitor. Z-IETD-FMK is also a granzyme B inhibitor.
    Z-IETD-FMK
  • HY-P0014
    Liraglutide 204656-20-2 99.82%
    Liraglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist used clinically to treat type 2 diabetes mellitus.
    Liraglutide
  • HY-P0128
    β-Amyloid (25-35) 131602-53-4 99.84%
    β-Amyloid (25-35) (Amyloid beta-peptide (25-35)) is the fragment Aβ(25-35) of the Alzheimer's amyloid β-peptide, has shown neurotoxic activities in cultured cells.
    β-Amyloid (25-35)
  • HY-P0252
    α-MSH 581-05-5 99.57%
    α-MSH (α-Melanocyte-Stimulating Hormone), an endogenous neuropeptide, is an endogenous melanocortin receptor 4 (MC4R) agonist with anti-inflammatory and antipyretic activities. α-MSH is a post-translational derivative of pro-opiomelanocortin (POMC).
    α-MSH
  • HY-P1731B
    Tirzepatide hydrochloride 99.82%
    Tirzepatide hydrochloride (LY3298176 hydrochloride) is a glucose-dependent insulin nutritive polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptor dual agonist. Tirzepatide hydrochloride has neuroprotective effects and can be used in the study of type 2 diabetes, diabetes-related neuropathy and obesity.
    Tirzepatide hydrochloride
  • HY-P1363
    β-Amyloid (1-42), human TFA 107761-42-2 99.46%
    β-Amyloid (1-42), human TFA (Amyloid β-Peptide (1-42) (human) TFA) is a 42-amino acid peptide which plays a key role in the pathogenesis of Alzheimer disease.
    β-Amyloid (1-42), human TFA
  • HY-P1097
    Gastrin I, human 10047-33-3 99.93%
    Gastrin I, human is the endogenous peptide produced in the stomach, and increases gastric acid secretion via cholecystokinin 2 (CCK2) receptor.
    Gastrin I, human
  • HY-P1410A
    GsMTx4 TFA 99.38%
    GsMTx4 TFA is a spider venom peptide that selectively inhibits cationic-permeable mechanosensitive channels (MSCs) belonging to the Piezo and TRP channel families. GsMTx4 TFA also blocks cation-selective stretch-activated channels (SACs) , attenuates lysophosphatidylcholine (LPC)-induced astrocyte toxicity and microglial reactivity. GsMTx4 TFA is an important pharmacological tool for identifying the role of these excitatory MSCs in normal physiology and pathology.
    GsMTx4 TFA