Annotations: 9QIK

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Core histone-like	8041279	3001387	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Core histone-like	8041279	3001387	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Core histone-like	8041278	3001387	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Core histone-like	8041278	3001387	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E, F	PF00125	Core histone H2A/H2B/H3/H4 domain (Histone)	Core histone H2A/H2B/H3/H4 domain		Domain
A, B	PF16211	C-terminus of histone H2A (Histone_H2A_C)	C-terminus of histone H2A	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	Histone H2B 1.1	DNA binding binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity structural molecule activity structural constituent of chromatin	-	protein-containing complex intracellular anatomical structure protein-DNA complex nucleosome intracellular membraneless organelle chromatin chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
E, F	Histone H3	DNA binding binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity structural molecule activity structural constituent of chromatin	-	protein-containing complex intracellular anatomical structure protein-DNA complex nucleosome intracellular membraneless organelle chromatin chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
J	DNA (220-MER)	-	-	-
I	DNA (220-MER)	-	-	-
G, H	Histone H4	DNA binding binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity structural molecule activity structural constituent of chromatin	protein-containing complex organization protein-DNA complex assembly cellular component organization protein-DNA complex organization cellular component biogenesis cellular component assembly chromatin organization protein-containing complex assembly chromatin remodeling cellular process cellular component organization or biogenesis nucleosome assembly nucleosome organization	protein-containing complex intracellular anatomical structure protein-DNA complex nucleosome intracellular membraneless organelle chromatin chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
A, B	Histone H2A type 1	DNA binding binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity structural molecule activity structural constituent of chromatin	regulation of cellular process negative regulation of biological process cellular component organization cellular component biogenesis cellular component assembly chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process heterochromatin formation epigenetic regulation of gene expression regulation of cellular process negative regulation of biological process cellular component organization cellular component biogenesis cellular component assembly chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process heterochromatin formation epigenetic regulation of gene expression negative regulation of metabolic process biological regulation heterochromatin organization regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process cellular process negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process	protein-containing complex intracellular anatomical structure protein-DNA complex nucleosome intracellular membraneless organelle chromatin chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR009072	Histone-fold	Homologous Superfamily
C, D	IPR055333	Histone H2B, conserved site	Conserved Site
C, D	IPR000558	Histone H2B	Family
C, D	IPR007125	Core Histone H2A/H2B/H3 domain	Domain
E, F	IPR009072	Histone-fold	Homologous Superfamily
E, F	IPR000164	Histone H3/CENP-A	Family
E, F	IPR007125	Core Histone H2A/H2B/H3 domain	Domain
G, H	IPR009072	Histone-fold	Homologous Superfamily
G, H	IPR001951	Histone H4	Family
G, H	IPR035425	CENP-T/Histone H4, histone fold	Domain
G, H	IPR019809	Histone H4, conserved site	Conserved Site
G, H	IPR004823	TATA box binding protein associated factor (TAF), histone-like fold domain	Domain
A, B	IPR009072	Histone-fold	Homologous Superfamily
A, B	IPR002119	Histone H2A	Family
A, B	IPR032454	Histone H2A, C-terminal domain	Domain
A, B	IPR032458	Histone H2A conserved site	Conserved Site
A, B	IPR007125	Core Histone H2A/H2B/H3 domain	Domain

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.