5T1G

chromo shadow domain of CBX1 in complex with a histone peptide

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Chromo domain-like	8041155	3000161	SCOP2B (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	PF01393	e5t1gA1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: PF01393	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01393	Chromo shadow domain (Chromo_shadow)	Chromo shadow domain	This domain is distantly related to Pfam:PF00385. This domain is always found in association with a chromo domain.	Domain
B	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	Chromobox protein homolog 1	protein-containing complex binding chromatin binding binding DNA binding organic cyclic compound binding nucleic acid binding molecular adaptor activity histone methyltransferase binding protein binding enzyme binding methylated histone binding modification-dependent protein binding histone binding methylation-dependent protein binding protein-containing complex binding chromatin binding binding DNA binding organic cyclic compound binding nucleic acid binding molecular adaptor activity histone methyltransferase binding protein binding enzyme binding methylated histone binding modification-dependent protein binding histone binding methylation-dependent protein binding identical protein binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription regulation of biological process negative regulation of transcription by RNA polymerase II cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process protein-DNA complex organization cellular component organization protein-containing complex organization chromatin organization cellular component organization or biogenesis	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle cellular anatomical entity intracellular non-membrane-bounded organelle chromosome, centromeric region chromosome chromosomal region non-membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle cellular anatomical entity intracellular non-membrane-bounded organelle chromosome, centromeric region chromosome chromosomal region non-membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex protein-DNA complex chromatin pericentric heterochromatin heterochromatin pronucleus male pronucleus female pronucleus chromocenter cytoskeleton spindle microtubule cytoskeleton nuclear body chromosome, telomeric region site of DNA damage
B	Histone H3.1	DNA binding binding organic cyclic compound binding nucleic acid binding cell adhesion molecule binding cadherin binding protein binding protein heterodimerization activity protein dimerization activity structural molecule activity structural constituent of chromatin	protein-containing complex organization protein-DNA complex assembly protein-DNA complex organization cellular component 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 organic substance metabolic process protein-containing complex organization protein-DNA complex assembly protein-DNA complex organization cellular component 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 organic substance metabolic process biosynthetic process cellular biosynthetic process cellular metabolic process organic substance biosynthetic process metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process organelle organization telomere organization chromosome organization regulation of cellular process regulation of biosynthetic process regulation of biological process epigenetic regulation of gene expression biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process regulation of gene expression regulation of macromolecule biosynthetic process regulation of metabolic process	membrane cellular anatomical entity extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure protein-DNA complex membrane cellular anatomical entity extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure protein-DNA complex nucleosome chromatin chromosome intracellular organelle intracellular non-membrane-bounded organelle non-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	IPR023780	Chromo domain	Domain
A	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A	IPR023779	Chromo domain, conserved site	Conserved Site
A	IPR008251	Chromo shadow domain	Domain
A	IPR000953	Chromo/chromo shadow domain	Domain
A	IPR017984	Chromo domain subgroup	Domain
B	IPR009072	Histone-fold	Homologous Superfamily
B	IPR007125	Histone H2A/H2B/H3	Domain
B	IPR000164	Histone H3/CENP-A	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P83916	prostate cancer dermatomyositis lymphoplasmacytic lymphoma ovarian cancer epilepsy medulloblastoma pancreatic ductal adenocarcinoma Prostatic Neoplasms lung cancer non-small cell lung carcinoma primary hyperoxaluria type 1
B	Pharos: P68431	lung carcinoma glioblastoma glioma large cell medulloblastoma malignant mesothelioma non-small cell lung carcinoma allergic rhinitis ovarian cancer autism spectrum disorder psoriasis cutaneous lupus erythematosus tuberculosis ependymoma gastric carcinoma Glioma of Brain, Familial lung carcinoma glioblastoma glioma large cell medulloblastoma malignant mesothelioma non-small cell lung carcinoma allergic rhinitis ovarian cancer autism spectrum disorder psoriasis cutaneous lupus erythematosus tuberculosis ependymoma gastric carcinoma Glioma of Brain, Familial hypertensive disorder lung adenocarcinoma malignant colon neoplasm malignant pancreatic neoplasm osteoarthritis astrocytoma (excluding glioblastoma) pancreatic intraductal papillary-mucinous carcinoma breast cancer spina bifida cystic fibrosis exocrine pancreatic carcinoma glioma susceptibility 1 invasive ductal breast carcinoma lung cancer malignant glioma medulloblastoma osteosarcoma atypical teratoid rhabdoid tumor pancreatic intraductal papillary-mucinous neoplasm breast carcinoma subependymoma ductal breast carcinoma in situ gastric cancer hepatocellular carcinoma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B	AAR	Parent Component: ARG RESID: AA0082 PSI-MOD : L-arginine amide MOD:00091
B	N7P	Parent Component: PRO RESID: AA0082

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.