##gff-version 3 P56262 UniProtKB Chain 1 271 . . . ID=PRO_0000161578;Note=Putative carboxymethylenebutenolidase P56262 UniProtKB Active site 147 147 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P56262 UniProtKB Active site 204 204 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P56262 UniProtKB Active site 236 236 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250