##gff-version 3 Q750F5 UniProtKB Chain 1 391 . . . ID=PRO_0000227716;Note=Histone acetyltransferase type B catalytic subunit Q750F5 UniProtKB Region 193 195 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q750F5 UniProtKB Region 372 391 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q750F5 UniProtKB Active site 254 254 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q750F5 UniProtKB Binding site 219 221 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q750F5 UniProtKB Binding site 226 232 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12341 Q750F5 UniProtKB Site 173 173 . . . Note=Interaction with histone H4 N-terminus;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O14929