##gff-version 3 Q9S3M0 UniProtKB Chain 1 136 . . . ID=PRO_0000171677;Note=Cytidine deaminase Q9S3M0 UniProtKB Domain 1 128 . . . Note=CMP/dCMP-type deaminase;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01083 Q9S3M0 UniProtKB Active site 55 55 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9S3M0 UniProtKB Binding site 42 44 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9S3M0 UniProtKB Binding site 53 53 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9S3M0 UniProtKB Binding site 86 86 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9S3M0 UniProtKB Binding site 89 89 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250