##gff-version 3 Q603S2 UniProtKB Chain 1 260 . . . ID=PRO_0000140980;Note=Thymidylate synthase Q603S2 UniProtKB Active site 142 142 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 21 21 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 51 51 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 122 123 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 162 165 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 165 165 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 173 173 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 203 205 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008 Q603S2 UniProtKB Binding site 259 259 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00008