##gff-version 3 Q4X0W8 UniProtKB Chain 1 570 . . . ID=PRO_0000227717;Note=Histone acetyltransferase type B catalytic subunit Q4X0W8 UniProtKB Region 106 108 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4X0W8 UniProtKB Region 272 274 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4X0W8 UniProtKB Region 522 570 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q4X0W8 UniProtKB Compositional bias 542 570 . . . Note=Basic and acidic residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q4X0W8 UniProtKB Active site 347 347 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4X0W8 UniProtKB Binding site 312 314 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4X0W8 UniProtKB Binding site 319 325 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q4X0W8 UniProtKB Site 244 244 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O14929