Annotations: 1W4S

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	BAH	e1w4sA1	A: alpha bundles	X: Rubredoxin-like	H: Concanavalin A-like	T: Concanavalin A-like lectins/glucanases	F: BAH	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.490	Mainly Beta	Roll	SH3 type barrels.	Bromo adjacent homology (BAH) domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	POLYBROMO 1 PROTEIN	DNA binding binding nucleic acid binding chromatin binding	transcription elongation by RNA polymerase II RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process DNA-templated transcription elongation transcription by RNA polymerase II biosynthetic process transcription elongation by RNA polymerase II RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process DNA-templated transcription elongation transcription by RNA polymerase II biosynthetic process metabolic process cellular process macromolecule metabolic process cellular component organization chromatin organization chromatin remodeling cellular component organization or biogenesis	RSC-type complex membrane-bounded organelle ATPase complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membraneless organelle chromatin chromosome intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure RSC-type complex membrane-bounded organelle ATPase complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membraneless organelle chromatin chromosome intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle membraneless organelle SWI/SNF superfamily-type complex SWI/SNF complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR037968	Protein polybromo-1, Bromodomain 5	Domain
A	IPR043151	Bromo adjacent homology (BAH) domain superfamily	Homologous Superfamily
A	IPR018359	Bromodomain, conserved site	Conserved Site
A	IPR001487	Bromodomain	Domain
A	IPR036427	Bromodomain-like superfamily	Homologous Superfamily
A	IPR001025	Bromo adjacent homology (BAH) domain	Domain
A	IPR037382	Remodelling complex subunit Rsc/polybromo	Family
A	IPR009071	High mobility group box domain	Domain
A	IPR036910	High mobility group box domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.