##gff-version 3 Q21NW5 UniProtKB Chain 1 277 . . . ID=PRO_1000000665;Note=Thymidylate synthase Q21NW5 UniProtKB Active site 159 159 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 21 21 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 51 51 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 126 127 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 179 182 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 182 182 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 190 190 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 220 222 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q21NW5 UniProtKB Binding site 276 276 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008