3FDT | pdb_00003fdt

Crystal structure of the complex of human chromobox homolog 5 (CBX5) with H3K9(me)3 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	SCOP2 Family	Chromo domain	8063000	4000375	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Chromo domain-like	8063001	3000161	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	Chromo	e3fdtA1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo	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	PF00385	Chromo (CHRromatin Organisation MOdifier) domain (Chromo)	Chromo (CHRromatin Organisation MOdifier) domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth T]	H3K9(me)3 peptide	DNA binding 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 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 biosynthetic process 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 biosynthetic process metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process organelle organization telomere organization chromosome organization regulation of biosynthetic process regulation of biological process regulation of cellular process epigenetic regulation of gene expression biological regulation regulation of macromolecule metabolic process regulation of gene expression regulation of macromolecule biosynthetic process regulation of metabolic process	cellular anatomical structure membrane 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 cellular anatomical structure membrane 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 intracellular membraneless organelle chromatin chromosome intracellular organelle membraneless organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen
A	Chromobox protein homolog 5	histone H3K9me2/3 reader activity histone reader activity histone H3 reader activity chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity histone deacetylase binding protein binding binding enzyme binding chromatin binding ribonucleoprotein complex binding protein-containing complex binding transcription factor binding histone H3K9me2/3 reader activity histone reader activity histone H3 reader activity chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity histone deacetylase binding protein binding binding enzyme binding chromatin binding ribonucleoprotein complex binding protein-containing complex binding transcription factor binding DNA-binding transcription factor 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 RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription 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 RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule 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 component organization cellular component biogenesis cellular component assembly chromatin organization chromatin remodeling cellular component organization or biogenesis heterochromatin formation epigenetic regulation of gene expression heterochromatin organization negative regulation of gene expression negative regulation of gene expression, epigenetic transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen organelle envelope nuclear envelope endomembrane system protein-containing complex histone methyltransferase complex catalytic complex nuclear protein-containing complex transferase complex nucleoplasm methyltransferase complex pericentric heterochromatin chromatin chromosome heterochromatin chromosomal region chromosome, centromeric region kinetochore condensed chromosome, centromeric region supramolecular complex condensed chromosome chromocenter histone deacetylase complex transcription regulator complex transcription repressor complex ribonucleoprotein complex chromosome, telomeric region site of DNA damage

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth T]	IPR009072	Histone-fold	Homologous Superfamily
B [auth T]	IPR007125	Core Histone H2A/H2B/H3 domain	Domain
B [auth T]	IPR000164	Histone H3/CENP-A	Family
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	IPR051219	Heterochromatin-associated chromo domain-containing protein	Family
A	IPR000953	Chromo/chromo shadow domain	Domain
A	IPR017984	Chromo domain subgroup	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth T]	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
A	Pharos: P45973	colorectal cancer osteosarcoma primary hyperoxaluria type 1 sarcoidosis acute myeloid leukemia astrocytic tumor cystic fibrosis large cell medulloblastoma malignant ependymoma myocardial infarction ovarian cancer primitive neuroectodermal tumor adrenal cortex carcinoma atrial fibrillation colorectal carcinoma colorectal cancer osteosarcoma primary hyperoxaluria type 1 sarcoidosis acute myeloid leukemia astrocytic tumor cystic fibrosis large cell medulloblastoma malignant ependymoma myocardial infarction ovarian cancer primitive neuroectodermal tumor adrenal cortex carcinoma atrial fibrillation colorectal carcinoma glioblastoma lung adenocarcinoma malignant glioma oligodendroglioma Pick disease rheumatoid arthritis Alzheimer disease atypical teratoid rhabdoid tumor Colorectal Neoplasms heart disease lung carcinoma medulloblastoma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth T]	M3L	Parent Component: LYS RESID: AA0074 PSI-MOD : N6,N6,N6-trimethyl-L-lysine MOD:00083

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.