Any oligopeptide that consists of three amino-acid residues connected by peptide linkages.
| Member | Definition | Role |
|---|
| acetylleucyl-leucyl-norleucinal | A tripeptide composed of N-acetylleucyl, leucyl and norleucinal residues joined in sequence. | acetylleucyl-leucyl-norleucinal |
| alanyl-alanyl-alanine | A tripeptide composed of three L-alanine units joined by peptide linkages. | Ala-Ala-Ala |
| benzyloxycarbonylleucyl-leucyl-leucine aldehyde | A tripeptide that is L-leucyl-L-leucyl-L-leucine in which the C-terminal carboxy group has been reduced to the corresponding aldehyde and the N-terminal amino group is protected as its benzyloxycarbonyl derivative. | N-benzyloxycarbonyl-L-leucyl-L-leucyl-L-leucinal |
| bialaphos | A tripeptide comprising one L-phosphinothricyl and two L-alanyl units joined in sequence. | bilanafos |
| epoxomicin | A tripeptide consisting of an Ile-Ile-Thr-NH2 sequence N-substituted on the threonamide amidic nitrogen with a (2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl group and with acetyl and methyl groups on the nitrogen of the isoleucine residue distal to the threonamide; a naturally occurring selective proteasome inhibitor with anti-inflammatory activity. | epoxomicin |
| glu-asp-arg | A tripeptide composed of L-glutamic acid, L-aspartic acid, and L-arginine joined in sequence by peptide linkages. | Glu-Asp-Arg |
| glutathione sulfonate | | glutathione sulfonate |
| glycyl-glycyl-glycine | A tripeptide in which three glycine units are linked via peptide bonds in a linear sequence. | Gly-Gly-Gly zwitterion; glycyl-glycyl-glycine |
| glycyl-glycyl-proline | A tripeptide composed of glycine, glycine and L-proline amino acids joined in sequence by peptide linkages. | Gly-Gly-Pro zwitterion; Gly-Gly-Pro |
| glycyl-histidyl-lysine | A tripeptide composed of glycine, L-histidine and L-lysine residues joined in sequence. | Gly-His-Lys |
| leucyl-glycyl-glycine | A tripeptide composed of one L-leucine and two glycine residues joined in sequence. | Leu-Gly-Gly |
| leucyl-leucyl-leucine | A tripeptide formed from three L-leucine residues. | Leu-Leu-Leu |
| leupeptin | A tripeptide composed of N-acetylleucyl, leucyl and argininal residues joined in sequenceby peptide linkages. It is an inhibitor of the calpains, a family of calcium-activated proteases which promote cell death. | leupeptin |
| lysyl-alanyl-alanine | A linear tripeptide comprised of one L-lysine residue and two D-alanyl residues. | L-lysyl-D-alanyl-D-alanine |
| methoxysuccinyl-alanyl-alanyl-prolyl-valine chloromethyl ketone | A tripeptide derived from methoxysuccinyl-Ala-Ala-Pro-Val by conversion of the terminal carboxy group to the corresponding chloromethyl ketone. | methoxysuccinyl-Ala-Ala-Pro-Val chloromethyl ketone |
| n-(3-amino-1-(cyclobutylmethyl)-2,3-dioxopropyl)-3-(2-((((1,1-dimethylethyl)amino)carbonyl)amino)-3,3-dimethyl-1-oxobutyl)-6,6-dimethyl-3-azabicyclo(3.1.0)hexan-2-carboxamide | A synthetic tripeptide consisting of N-(tert-butylcarbamoyl)-3-methyl-L-valyl, a cyclopropyl-fused prolyl and 3-amino-4-cyclobutyl-2-oxobutanamide residues joined in sequence. Used for treatment of chronic hepatitis C virus genotype 1 infection. | boceprevir |
| N-[(5-methyl-1,2-oxazol-3-yl)carbonyl]-L-alanyl-L-valyl-N-{(2S,3E)-5-(benzyloxy)-5-oxo-1-[(3S)-2-oxopyrrolidin-3-yl]pent-3-en-2-yl}-L-leucinamide | A tripeptide resulting from the formal condensation of the carboxy group of N-[(5-methyl-1,2-oxazol-3-yl)carbonyl]-L-alanyl-L-valine with the amino group of benzyl (2E,4S)-4-(L-leucylamino)-5-[(3S)-2-oxopyrrolidin-3-yl]pent-2-enoate. It is an inhibitor of the main protease of SARS-CoV-2. | N-[(5-methyl-1,2-oxazol-3-yl)carbonyl]-L-alanyl-L-valyl-N-{(2S,3E)-5-(benzyloxy)-5-oxo-1-[(3S)-2-oxopyrrolidin-3-yl]pent-3-en-2-yl}-L-leucinamide |
| n-formylmethionine leucyl-phenylalanine | A tripeptide composed of L-Met, L-Leu and L-Phe in a linear sequence with a formyl group at the amino terminus. It acts as a potent inducer of leucocyte chemotaxis and macrophage activator as well as a ligand for the FPR receptor. | N-formyl-L-methionyl-L-leucyl-L-phenylalanine |
| phenylalanyl-glycyl-glycine | A tripeptide composed of one L-phenylalanine and two glycine residues joined in sequence. | Phe-Gly-Gly |
| thyrotropin-releasing hormone | A tripeptide composed of L-pyroglutamyl, L-histidyl and L-prolinamide residues joined in sequence. | protirelin |
| tyrosyl-glycyl-glycine | A tripeptide composed of one L-tyrosine and two glycine residues joined in sequence. | Tyr-Gly-Gly zwitterion; Tyr-Gly-Gly |
| valyl-prolyl-proline | A tripeptide composed of L-valine and two L-proline units joined by peptide linkages. | Val-Pro-Pro |
| z-val-ala-asp(ome)-fluoromethylketone | A tripeptide consisting of Z-Val-Ala-Asp(OMe) in which the C-terminal OH group has been replaced by a fluoromethyl group. An irreversible pan-caspase inhibitor. | Z-Val-Ala-Asp(OMe)-CH2F |