##gff-version 3 O42768 UniProtKB Chain 1 340 . . . ID=PRO_0000140532;Note=Delta-aminolevulinic acid dehydratase O42768 UniProtKB Active site 210 210 . . . Note=Schiff-base intermediate with substrate;Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Active site 263 263 . . . Note=Schiff-base intermediate with substrate;Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Binding site 133 133 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Binding site 135 135 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Binding site 143 143 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Binding site 220 220 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Binding site 232 232 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Binding site 290 290 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O42768 UniProtKB Binding site 329 329 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250