##gff-version 3 Q4I6A4 UniProtKB Chain 1 477 . . . ID=PRO_0000227724;Note=Histone acetyltransferase type B catalytic subunit Q4I6A4 UniProtKB Region 44 46 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4I6A4 UniProtKB Region 215 217 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4I6A4 UniProtKB Region 444 477 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q4I6A4 UniProtKB Active site 290 290 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4I6A4 UniProtKB Binding site 255 257 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4I6A4 UniProtKB Binding site 262 268 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4I6A4 UniProtKB Site 189 189 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O14929