##gff-version 3 Q3IBX5 UniProtKB Chain 1 309 . . . ID=PRO_0000171659;Note=Cytidine deaminase Q3IBX5 UniProtKB Domain 55 178 . . . Note=CMP/dCMP-type deaminase 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01083 Q3IBX5 UniProtKB Domain 196 309 . . . Note=CMP/dCMP-type deaminase 2;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01083 Q3IBX5 UniProtKB Active site 115 115 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01558 Q3IBX5 UniProtKB Binding site 100 102 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01558 Q3IBX5 UniProtKB Binding site 113 113 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01558 Q3IBX5 UniProtKB Binding site 140 140 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01558 Q3IBX5 UniProtKB Binding site 143 143 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01558