##gff-version 3 Q4PBE6 UniProtKB Chain 1 448 . . . ID=PRO_0000227727;Note=Histone acetyltransferase type B catalytic subunit Q4PBE6 UniProtKB Region 39 41 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4PBE6 UniProtKB Region 224 226 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4PBE6 UniProtKB Region 407 448 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q4PBE6 UniProtKB Active site 275 275 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4PBE6 UniProtKB Binding site 240 242 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4PBE6 UniProtKB Binding site 247 253 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4PBE6 UniProtKB Site 198 198 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O14929