##gff-version 3 P42504 UniProtKB Chain 1 332 . . . ID=PRO_0000140508;Note=Delta-aminolevulinic acid dehydratase P42504 UniProtKB Active site 202 202 . . . Note=Schiff-base intermediate with substrate;Ontology_term=ECO:0000250;evidence=ECO:0000250 P42504 UniProtKB Active site 256 256 . . . Note=Schiff-base intermediate with substrate;Ontology_term=ECO:0000250;evidence=ECO:0000250 P42504 UniProtKB Binding site 212 212 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P42504 UniProtKB Binding site 225 225 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P42504 UniProtKB Binding site 282 282 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P42504 UniProtKB Binding site 321 321 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250