Nociceptin
Nociceptin, also known as Orphanin FQ (N/OFQ), is a 17-amino acid endogenous neuropeptide that was discovered in 1995 as the natural ligand for the previously…
Peptide Database
Substance P
Substance P is an 11-amino acid neuropeptide belonging to the tachykinin family. It was first discovered in 1931 by Ulf von Euler and John H.…
Delta Sleep-Inducing Peptide
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring neuropeptide consisting of nine amino acids. It was first discovered in 1977 by Schoenenberger and Monnier, who…
Ziconotide
Ziconotide is a synthetic, 25-amino acid peptide analog of ω-conotoxin MVIIA, a neurotoxic peptide originally isolated from the venom of the predatory marine cone snail…
Magainin
Magainin is a family of antimicrobial peptides first discovered in 1987 by Michael Zasloff in the skin of the African clawed frog, Xenopus laevis. These…
Gramicidin
Gramicidin is a heterogeneous mixture of antibiotic peptides, primarily produced by Bacillus brevis. It was one of the first antibiotics to be isolated and characterized,…
Colistin
Colistin is a polymyxin antibiotic, a class of cationic polypeptide antibiotics discovered in the late 1940s. It is produced by the soil bacterium Paenibacillus polymyxa.…
Daptomycin
Daptomycin is a cyclic lipopeptide antibiotic with potent bactericidal activity primarily against Gram-positive bacteria, including multidrug-resistant strains such as methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant…
Nisin
Nisin is a polycyclic antibacterial peptide classified as a lantibiotic, characterized by the presence of the unusual amino acids lanthionine and methyllanthionine. It was first…
Triptorelin
Triptorelin is a synthetic decapeptide analog of gonadotropin-releasing hormone (GnRH). It was developed through modifications to the native GnRH sequence (pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2), specifically by substituting glycine…