##gff-version 3 A3NKP8 UniProtKB Chain 1 489 . . . ID=PRO_1000047039;Note=Betaine aldehyde dehydrogenase A3NKP8 UniProtKB Active site 162 162 . . . Note=Charge relay system;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Active site 251 251 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Active site 285 285 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Active site 463 463 . . . Note=Charge relay system;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 26 26 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 93 93 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 150 152 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 176 179 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 180 180 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 229 232 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 245 245 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 253 253 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 285 285 . . . Note=Covalent;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 386 386 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 456 456 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Binding site 459 459 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Site 247 247 . . . Note=Seems to be a necessary countercharge to the potassium cations;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A3NKP8 UniProtKB Modified residue 285 285 . . . Note=Cysteine sulfenic acid (-SOH);Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804