##gff-version 3 P22390 UniProtKB Signal peptide 1 27 . . . Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:2039443;Dbxref=PMID:2039443 P22390 UniProtKB Chain 28 294 . . . ID=PRO_0000016977;Note=Beta-lactamase P22390 UniProtKB Active site 76 76 . . . Note=Acyl-ester intermediate P22390 UniProtKB Active site 174 174 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P22390 UniProtKB Binding site 240 242 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P22390 UniProtKB Sequence conflict 28 28 . . . Note=R->G;Ontology_term=ECO:0000305;evidence=ECO:0000305 P22390 UniProtKB Sequence conflict 61 61 . . . Note=R->S;Ontology_term=ECO:0000305;evidence=ECO:0000305 P22390 UniProtKB Sequence conflict 80 83 . . . Note=TMVA->AMAT;Ontology_term=ECO:0000305;evidence=ECO:0000305