##gff-version 3 P18539 UniProtKB Signal peptide 1 21 . . . . P18539 UniProtKB Chain 22 376 . . . ID=PRO_0000016965;Note=Beta-lactamase P18539 UniProtKB Active site 79 79 . . . Note=Acyl-ester intermediate;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10102 P18539 UniProtKB Active site 164 164 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P18539 UniProtKB Binding site 328 330 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250