220761 <common-name>(2s)-1-[(2s,3s)-2-[[(2s)-5-amino-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-aminopropanoyl]amino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoyl]pyrrolidine-2-carboxylic acid</common-name> <description>(2s)-1-[(2s,3s)-2-[[(2s)-5-amino-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-aminopropanoyl]amino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoyl]pyrrolidine-2-carboxylic acid belongs to the polypeptides, a class of organic polymers within the organic compounds. With an average molecular weight of 1,072 g/mol, (2s)-1-[(2s,3s)-2-[[(2s)-5-amino-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-aminopropanoyl]amino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoyl]pyrrolidine-2-carboxylic acid is a heavy molecule. Its formula is C44H69N11O20.</description> <cas nil="true"/> <pubchem-id>3013170</pubchem-id> <chemical-formula>C44H69N11O20</chemical-formula> <weight>1072.1</weight> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2026-08-22T14:45:32Z</created-at> <updated-at type="dateTime">2026-08-22T14:45:32Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id nil="true"/> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles nil="true"/> <moldb-formula>C44H69N11O20</moldb-formula> <moldb-inchi>InChI=1S/C44H69N11O20/c1-7-19(4)34(43(73)55-14-8-9-27(55)44(74)75)54-38(68)22(10-12-28(46)56)49-37(67)23(11-13-29(57)58)48-36(66)21(6)47-39(69)24(15-30(59)60)50-40(70)25(16-31(61)62)51-41(71)26(17-32(63)64)52-42(72)33(18(2)3)53-35(65)20(5)45/h18-27,33-34H,7-17,45H2,1-6H3,(H2,46,56)(H,47,69)(H,48,66)(H,49,67)(H,50,70)(H,51,71)(H,52,72)(H,53,65)(H,54,68)(H,57,58)(H,59,60)(H,61,62)(H,63,64)(H,74,75)/t19-,20-,21-,22-,23-,24-,25-,26-,27-,33-,34-/m0/s1</moldb-inchi> <moldb-inchikey>AYXDLUGNBPVAHO-VZWDUYIWSA-N</moldb-inchikey> <moldb-average-mass type="decimal">1072.1</moldb-average-mass> <moldb-mono-mass type="decimal">1071.472034</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>-7</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id nil="true"/> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM216654</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id nil="true"/> <iupac>(2S)-1-[(2S,3S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-aminopropanoyl]amino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoyl]pyrrolidine-2-carboxylic acid</iupac> <moldb-polar-surface-area nil="true"/> <moldb-refractivity nil="true"/> <moldb-polarizability nil="true"/> <moldb-rotatable-bond-count nil="true"/> <moldb-acceptor-count nil="true"/> <moldb-donor-count nil="true"/> <moldb-pka-strongest-acidic nil="true"/> <moldb-pka-strongest-basic nil="true"/> <moldb-physiological-charge nil="true"/> <moldb-number-of-rings nil="true"/> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> <kingdom>Organic compounds</kingdom> <superklass>Organic Polymers</superklass> <klass>Polypeptides</klass> <subklass nil="true"/> <paper-count type="integer">0</paper-count> <sync-id>CED0113501</sync-id> <structure-inchikey nil="true"/> <structure-fingerprint nil="true"/> <structure-pattern-fingerprint nil="true"/> <structure-pickle type="binary" nil="true" encoding="base64"/> <structure-indexed-at type="dateTime" nil="true"/> </compound>