{"Abbreviation":"","Aliases":["3-amino-2-hydroxy-5-methylhexanoyl-L-valyl-L-valyl-L-aspartic acid","N-[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]-L-valyl-L-valyl-L-aspartic acid","Aspartic acid, N-(N-(N-(3-amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl)-L-valyl)-, (S-(R*,S*))-","N-((2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl)-L-valyl-L-valyl-L-aspartic acid","(2S)-2-(((2S)-2-(((2S)-2-(((2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl)amino)-3-methylbutanoyl)amino)-3-methylbutanoyl)amino)butanedioic acid","3-amino-2-hydroxy-5-methylhexanoyl-Val-Val-Asp","Leu[1psi,CHOHCONH]ValValAsp","((2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl)-L-valyl-L-valyl-L-aspartic acid","(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-amino-2-hydroxy-5-methyl-hexanoyl]amino]-3-methyl-butanoyl]amino]-3-methyl-butanoyl]amino]butanedioic acid","Aspartic acid, N-((2S,3R)-3-amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl-L-valyl-","Aspartic acid, N-[(2S,3R)-3-amino-2-hydroxy-5-methyl-1-oxohexyl]-L-valyl-L-valyl-","Mls006010001","orb1704856","N-((2S,3R)-3-Amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl-L-valyl-L-aspartic acid","Ncgc00346895-01","Smr000058546","HY-129298","CS-0104662","C01552","Q21098987","[(2S,3r)-3-amino-2-hydroxy-5-methylhexanoyl]-val-val-asp","Aspartic acid, N-(N-(3-amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl)-L-valyl)-, (S-(R*,S*))-","N-[2-({2-[(3-Amino-1,2-dihydroxy-5-methylhexylidene)amino]-1-hydroxy-3-methylbutylidene}amino)-1-hydroxy-3-methylbutylidene]aspartic acid"],"CAS":"67655-94-1","ChEBI":"CHEBI:2624","ChEMBL":"CHEMBL28650","ChemicalClasses":["amino acid"],"Chirality":"achiral","ChiralityAminoAcid":true,"Erowid Experience Reports":null,"Esters":[],"European Community (EC) Number":"614-098-3","Formating":[],"HeavyAtomCount":33,"IUPACName":"(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]butanedioic acid","InChI":"InChI=1S/C21H38N4O8/c1-9(2)7-12(22)17(28)20(31)25-16(11(5)6)19(30)24-15(10(3)4)18(29)23-13(21(32)33)8-14(26)27/h9-13,15-17,28H,7-8,22H2,1-6H3,(H,23,29)(H,24,30)(H,25,31)(H,26,27)(H,32,33)/t12-,13+,15+,16+,17+/m1/s1","InChIKey":"QFAADIRHLBXJJS-ZAZJUGBXSA-N","MeSH Pharmacological Classification":"Compounds which inhibit or antagonize biosynthesis or actions of proteases (ENDOPEPTIDASES). (See all compounds classified as Protease Inhibitors.)","MolecularFormula":"C\u003csub\u003e21\u003c/sub\u003eH\u003csub\u003e38\u003c/sub\u003eN\u003csub\u003e4\u003c/sub\u003eO\u003csub\u003e8\u003c/sub\u003e","MolecularWeight":"474.5 g/mol","PubChemId":439518,"RefCount":2,"RefCur":"","References":[{"Name":"Wikipedia","Urls":[{"Link":"https://en.wikipedia.org/wiki/Amastatin","Name":"Amastatin","Sub":false}]},{"Name":"PubChem","Urls":[{"Link":"https://pubchem.ncbi.nlm.nih.gov/compound/439518","Name":"Amastatin","Sub":false}]},{"Name":"ChEMBL","Urls":[{"Link":"https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL28650","Name":"Amastatin","Sub":false}]},{"Name":"ChEBI","Urls":[{"Link":"https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:2624","Name":"Amastatin","Sub":false}]},{"Name":"Common Chemistry","Urls":[{"Link":"https://commonchemistry.cas.org/detail?cas_rn=67655-94-1","Name":"Amastatin","Sub":false}]},{"Name":"KEGG","Urls":[{"Link":"https://www.kegg.jp/entry/C01552","Name":"Amastatin","Sub":false}]},{"Name":"EPA DSSTox","Urls":[{"Link":"https://comptox.epa.gov/dashboard/chemical/details/DTXSID10987015","Name":"Amastatin","Sub":false}]}],"Refs":["National Center for Biotechnology Information. PubChem Compound Summary for CID 439518, Amastatin. Accessed July 21, 2025. \u003ca href=https://pubchem.ncbi.nlm.nih.gov/compound/439518\u003ehttps://pubchem.ncbi.nlm.nih.gov/compound/439518\u003c/a\u003e"],"SMILES":"CC(C)C[C@H]([C@@H](C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(=O)O)C(=O)O)O)N","SaltData":[],"Salts":[],"StereoisomerData":[],"Stereoisomers":[],"Structure":"\u003csvg xmlns=\"http://www.w3.org/2000/svg\" preserveAspectRatio=\"none\" style=\"display:block\" viewBox=\"0 0 140.146 167.6\"\u003e\u003crect width=\"100%\" height=\"100%\" fill=\"#fff\"/\u003e\u003cdesc\u003eGenerated by the Chemistry Development Kit (http://github.com/cdk)\u003c/desc\u003e\u003cg fill=\"#ff0d0d\" stroke=\"#000\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\".7\"\u003e\u003cpath fill=\"#fff\" stroke=\"none\" d=\"M0 0h141v168H0z\"/\u003e\u003cg class=\"mol\"\u003e\u003cpath d=\"m1.038 140.241 13.198 7.62M14.236 147.861v15.24M14.236 147.861l13.199-7.62M27.435 140.241l13.198 7.62M40.633 147.861l13.198-7.62M53.831 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