##gff-version 3 Q17ZY4 UniProtKB Chain 1 335 . . . ID=PRO_0000354023;Note=Proline racemase Q17ZY4 UniProtKB Active site 91 91 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q4KGU2 Q17ZY4 UniProtKB Active site 255 255 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q4KGU2