]> proline PMID:22770225 PMID:16534801 PMID:21400017 Gmelin:26927 PMID:22264337 Wikipedia:Proline PMID:22280966 CAS:609-36-9 KEGG:C16435 Reaxys:80809 Beilstein:80809 PMID:21903295 colombos:PROLINE proline chebi_ontology Hpro Prolin prolina 0 ONIBWKKTOPOVIA-UHFFFAOYSA-N 115.063 OC(=O)C1CCCN1 115.13050 pyrrolidine-2-carboxylic acid InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8) DL-Proline C5H9NO2 CHEBI:26271 An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. pyrrolidines Daphnia magna metabolite prolinate prolinium is conjugate acid of is conjugate base of alpha-amino acid has role human metabolite