##gff-version 3 A4XPI6 UniProtKB Chain 1 490 . . . ID=PRO_1000047048;Note=Betaine aldehyde dehydrogenase A4XPI6 UniProtKB Active site 162 162 . . . Note=Charge relay system;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Active site 252 252 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Active site 286 286 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Active site 464 464 . . . Note=Charge relay system;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 26 26 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 27 27 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 93 93 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 150 152 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 176 179 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 180 180 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 230 233 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 246 246 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 254 254 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 286 286 . . . Note=Covalent;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 387 387 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 457 457 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Binding site 460 460 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Site 248 248 . . . Note=Seems to be a necessary countercharge to the potassium cations;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804 A4XPI6 UniProtKB Modified residue 286 286 . . . Note=Cysteine sulfenic acid (-SOH);Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00804