The comprehensive peptide reference

● DIRECTORY · ALL PROFILES156 PROFILES · INDEXED

The directory.

156 peptide profiles with mechanisms, reported study ranges, research summaries, and safety data.

A reference of 156 peptide profiles — mechanisms, research context, reported study ranges, and legal status, compiled from published studies and reader reports.

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156 profiles

Gramicidin D · Gramicidin A/B/C · Gramicidin S (cyclic variant)

Gramicidin (gramicidin D) is a mixture of linear 15-amino acid antimicrobial peptides produced by Bacillus brevis, comprising gramicidin A (~80%), B (~5%), and C (~15%).

Supprelin LA · Vantas · Histrelin acetate

Histrelin is a potent synthetic GnRH agonist nonapeptide delivered via a subcutaneous hydrogel implant providing continuous hormone release for 12 months.

Long R3 IGF-1 · Insulin-like Growth Factor-1 LR3 · IGF1-LR3

Muscle & Growth

IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a 83-amino acid recombinant analog of native IGF-1, engineered with a 13-amino acid N-terminal extension and an arginine substitution at position 3.

Adlyxin · Lyxumia · AVE0010

Lixisenatide is a once-daily short-acting GLP-1 receptor agonist derived from exendin-4, modified at the C-terminus with deletion of one proline and addition of six lysine residues.

Magainin-2 · Magainin 2a · MSI-78 (analog)

Magainin is a family of broad-spectrum antimicrobial peptides isolated from the skin of the African clawed frog Xenopus laevis, first characterized by Michael Zasloff in 1987.

IBI362 · LY3305677 · OXM-3

Mazdutide (IBI362, LY3305677) is a once-weekly dual GLP-1 receptor and glucagon receptor agonist developed by Innovent Biologics in partnership with Eli Lilly, modeled on mammalian oxyntomodulin.

Porcine Motilin · Human Motilin · Gastrointestinal Motilin

Motilin is a 22-amino acid gastrointestinal hormone secreted by Mo/M cells of the upper small intestine during the fasting state.

NA-Semax · Acetyl-Semax · Ac-MEHFPGP-NH2

N-Acetyl Semax is an acetylated derivative of Semax, a synthetic heptapeptide analogue of the ACTH(4-10) fragment developed in Russia.

NUCB2/Nesfatin-1 · NEFA/Nesfatin-1 · Nucleobindin-2 Fragment

Nesfatin-1 is an 82-amino acid satiety peptide derived from the N-terminal region of the 396-amino acid precursor protein nucleobindin-2 (NUCB2).

NT-3 · Neurotrophin 3 · NT3

Neurotrophin-3 (NT-3) is a neurotrophic growth factor and member of the neurotrophin family, which includes NGF, BDNF, and NT-4.

Orphanin FQ · N/OFQ · Nociceptin/Orphanin FQ

Nociceptin (Orphanin FQ) is a 17-amino acid neuropeptide and the endogenous ligand for the NOP receptor (ORL-1, opioid receptor-like 1).

Obestatin-23 · Ghrelin Gene Product · GPR39 Ligand

Obestatin is a 23-amino acid peptide encoded by the same preproghrelin gene that produces ghrelin, discovered in 2005.

Palmitoyl Oligopeptide

Palmitoyl Oligopeptide-3 · Pal-Oligopeptide · Palm-Oligopeptide

Palmitoyl Oligopeptide is a generic class of short collagen-fragment peptides conjugated to palmitic acid to enhance skin penetration and stability.

Signifor · SOM230 · Signifor LAR

Pasireotide (brand: Signifor) is an FDA-approved cyclic hexapeptide somatostatin analog with a unique multi-receptor binding profile.

Symlin · AC137 · Pramlintide acetate

Pramlintide (brand: Symlin) is a synthetic analog of human amylin, a hormone co-secreted with insulin by pancreatic beta cells.

retina polypeptide complex · retinal bioregulator

Retinalamin is a polypeptide preparation isolated from bovine retinal tissue and registered as a pharmaceutical drug in Russia for retinal degenerative disease.

Arg-Gly-Asp-Ser · Arginylglycylaspartylserine · RGD-Ser

RGDS (Arg-Gly-Asp-Ser) is the prototype integrin-binding tetrapeptide sequence derived from fibronectin.

ACTH(4-7) · ACTH 4-7 · ACTH fragment 4-7

Semax 4-7 is the core tetrapeptide sequence Met-Glu-His-Phe, corresponding to ACTH amino acids 4–7.

Elamipretide · Bendavia · MTP-131

SS-31 (Elamipretide) is a mitochondria-targeted tetrapeptide that concentrates in the inner mitochondrial membrane.

Terlivaz · triglycyl-lysine-vasopressin · glypressin

Terlipressin is a synthetic vasopressin analogue and the first FDA-approved medication (approved September 2022) for hepatorenal syndrome with rapid reduction of kidney function (HRS-AKI).