Annotations: 2RVQ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth C]	SCOP2B Superfamily	Core histone-like	8039342	3001387	SCOP2B (2022-06-29)
B [auth D]	SCOP2 Family	Nucleosome core histones	8066264	4000793	SCOP2 (2022-06-29)
B [auth D]	SCOP2 Superfamily	Core histone-like	8066265	3001387	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth C]	Histone_1	e2rvqC1	A: alpha arrays	X: Histone-like	H: Histone-related	T: Histone	F: Histone_1	ECOD (1.6)
B [auth D]	Histone	e2rvqD1	A: alpha arrays	X: Histone-like	H: Histone-related	T: Histone	F: Histone	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth C]	1.10.20.10	Mainly Alpha	Orthogonal Bundle	Histone, subunit A	Histone, subunit A	CATH (4.3.0)
B [auth D]	1.10.20.10	Mainly Alpha	Orthogonal Bundle	Histone, subunit A	Histone, subunit A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C]	PF16211	C-terminus of histone H2A (Histone_H2A_C)	C-terminus of histone H2A	-	Family
A [auth C]	PF00125	Core histone H2A/H2B/H3/H4 (Histone)	Core histone H2A/H2B/H3/H4		Domain
B [auth D]	PF00125	Core histone H2A/H2B/H3/H4 (Histone)	Core histone H2A/H2B/H3/H4		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C]	Histone H2A type 1-B/E	DNA binding binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity structural molecule activity structural constituent of chromatin	negative regulation of cell population proliferation regulation of biological process cell population proliferation regulation of cellular process regulation of cell population proliferation negative regulation of cellular process biological regulation negative regulation of biological process cellular process cellular component organization chromatin organization chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process negative regulation of cell population proliferation regulation of biological process cell population proliferation regulation of cellular process regulation of cell population proliferation negative regulation of cellular process biological regulation negative regulation of biological process cellular process cellular component organization chromatin organization chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process heterochromatin formation epigenetic regulation of gene expression negative regulation of metabolic process 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 negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process protein localization protein localization to chromatin cellular localization protein localization to chromosome, centromeric region localization protein localization to chromosome protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to CENP-A containing chromatin	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure CENP-A containing chromatin protein-DNA complex extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure CENP-A containing chromatin protein-DNA complex intracellular membraneless organelle nucleosome chromosome chromatin chromosomal region intracellular organelle chromosome, centromeric core domain CENP-A containing nucleosome membraneless organelle chromosome, centromeric region nucleus intracellular membrane-bounded organelle
B [auth D]	Histone H2B type 1-J	DNA binding binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity lipid binding lipopolysaccharide binding carbohydrate derivative binding 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 biological process involved in interspecies interaction between organisms 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 biological process involved in interspecies interaction between organisms innate immune response in mucosa response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus mucosal immune response organ or tissue specific immune response humoral immune response antimicrobial humoral response antimicrobial humoral immune response mediated by antimicrobial peptide disruption of cell in another organism disruption of anatomical structure in another organism killing of cells of another organism cell killing defense response to Gram-negative bacterium defense response to bacterium response to bacterium antibacterial humoral response protein localization protein localization to chromatin cellular localization protein localization to chromosome, centromeric region localization protein localization to chromosome protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to CENP-A containing chromatin cellular response to stimulus regulation of cellular process negative regulation of signaling signaling negative regulation of biological process response to cytokine regulation of signal transduction negative regulation of cell communication cytokine-mediated signaling pathway cell communication cellular response to tumor necrosis factor negative regulation of cellular process tumor necrosis factor-mediated signaling pathway cellular response to cytokine stimulus signal transduction regulation of biological process regulation of signaling cell surface receptor signaling pathway regulation of tumor necrosis factor-mediated signaling pathway negative regulation of response to stimulus regulation of cytokine-mediated signaling pathway biological regulation negative regulation of tumor necrosis factor-mediated signaling pathway negative regulation of signal transduction response to peptide regulation of response to cytokine stimulus negative regulation of response to cytokine stimulus regulation of response to stimulus negative regulation of cytokine-mediated signaling pathway response to chemical regulation of cell communication response to tumor necrosis factor defense response to Gram-positive bacterium	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex CENP-A containing chromatin protein-DNA complex intracellular membraneless organelle nucleosome chromosome chromatin chromosomal region intracellular organelle chromosome, centromeric core domain cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex CENP-A containing chromatin protein-DNA complex intracellular membraneless organelle nucleosome chromosome chromatin chromosomal region intracellular organelle chromosome, centromeric core domain CENP-A containing nucleosome organelle membraneless organelle chromosome, centromeric region extracellular region extracellular space membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C]	IPR009072	Histone-fold	Homologous Superfamily
A [auth C]	IPR007125	Histone H2A/H2B/H3	Domain
A [auth C]	IPR002119	Histone H2A	Family
A [auth C]	IPR032454	Histone H2A, C-terminal domain	Domain
A [auth C]	IPR032458	Histone H2A conserved site	Conserved Site
B [auth D]	IPR009072	Histone-fold	Homologous Superfamily
B [auth D]	IPR007125	Histone H2A/H2B/H3	Domain
B [auth D]	IPR000558	Histone H2B	Family
B [auth D]	IPR055333	Histone H2B, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth C]	Pharos: P04908	juvenile idiopathic arthritis pituitary cancer acute myeloid leukemia autism spectrum disorder hypertensive disorder lung adenocarcinoma medulloblastoma ovarian cancer psoriasis allergic rhinitis breast cancer invasive ductal breast carcinoma Juvenile psoriatic arthritis lung cancer non-small cell lung carcinoma juvenile idiopathic arthritis pituitary cancer acute myeloid leukemia autism spectrum disorder hypertensive disorder lung adenocarcinoma medulloblastoma ovarian cancer psoriasis allergic rhinitis breast cancer invasive ductal breast carcinoma Juvenile psoriatic arthritis lung cancer non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma squamous cell lung carcinoma atypical teratoid rhabdoid tumor ductal breast carcinoma in situ lung carcinoma osteoarthritis
B [auth D]	Pharos: P06899	autism spectrum disorder lung adenocarcinoma breast cancer schizophrenia endogenous depression

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.