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chromobox 5

Summary

Gene Symbol

CBX5

Organism

Homo sapiens (human)

External Links

NCBI Gene

23468

KEGG Gene ID

PubChem

23468

Alliance of Genome Resources

HGNC:1555

Annotation

Keyword

3D-structure
Acetylation
Centromere
Chromosome
Direct protein sequencing
Host-virus interaction
Isopeptide bond
Nucleus
Phosphoprotein
Proteomics identification
Reference proteome
Repeat
Ubl conjugation

Proteins

Displaying **all 2** entries
UniProt	Protein Name
P45973	Antigen p25 Heterochromatin protein 1 homolog alpha
V9HWG0

Annotation information from UniProt.

Gene Ontology (GO)

Displaying entries **1 - 5** of 15 in total

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GO Term	Evidence Code	PMID
negative regulation of transcription by RNA polymerase II	IMP
cellular response to DNA damage stimulus	IMP
DNA damage response	IMP
DNA damage response	IEA
cellular response to DNA damage stimulus	IEA

GO Hierarchy

biological process

cellular process [inference]

cellular response to stimulus [inference]

cellular response to stress [inference]

cellular response to DNA damage stimulus

cellular component organization or biogenesis [inference]

cellular component organization [inference]

chromatin organization [inference]

chromatin remodeling [inference]

epigenetic regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

heterochromatin organization

heterochromatin formation

organelle organization [inference]

chromosome organization [inference]

chromosome condensation

cellular component assembly [inference]

heterochromatin formation

response to stimulus [inference]

response to stress [inference]

cellular response to stress [inference]

cellular response to DNA damage stimulus

cellular response to stimulus [inference]

cellular response to stress [inference]

cellular response to DNA damage stimulus

localization [inference]

macromolecule localization [inference]

intracellular protein localization [inference]

protein localization to organelle [inference]

protein localization to chromosome [inference]

protein localization to chromatin [inference]

protein localization to heterochromatin

biological regulation [inference]

regulation of biological process [inference]

negative regulation of biological process [inference]

negative regulation of cellular process [inference]

negative regulation of metabolic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of cellular process [inference]

regulation of metabolic process [inference]

regulation of biosynthetic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of macromolecule biosynthetic process [inference]

regulation of gene expression [inference]

regulation of DNA-templated transcription [inference]

regulation of transcription by RNA polymerase II [inference]

negative regulation of transcription by RNA polymerase II

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

epigenetic regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

regulation of transcription by RNA polymerase II [inference]

negative regulation of transcription by RNA polymerase II

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of metabolic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of macromolecule metabolic process [inference]

regulation of macromolecule biosynthetic process [inference]

regulation of gene expression [inference]

regulation of DNA-templated transcription [inference]

regulation of transcription by RNA polymerase II [inference]

negative regulation of transcription by RNA polymerase II

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

epigenetic regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

regulation of transcription by RNA polymerase II [inference]

negative regulation of transcription by RNA polymerase II

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of RNA metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

regulation of transcription by RNA polymerase II [inference]

negative regulation of transcription by RNA polymerase II

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of primary metabolic process [inference]

regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of RNA metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

regulation of transcription by RNA polymerase II [inference]

negative regulation of transcription by RNA polymerase II

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of cellular process [inference]

negative regulation of metabolic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of gene expression [inference]

negative regulation of gene expression, epigenetic [inference]

heterochromatin formation

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of transcription by RNA polymerase II

Displaying entries **1 - 5** of 31 in total

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GO Term	Evidence Code	PMID
histone deacetylase complex	ISS
histone deacetylase complex	IEA
chromosome, centromeric region	IEA
kinetochore	IEA
chromosome, telomeric region	IEA

GO Hierarchy

cellular component

protein-containing complex

transcription regulator complex [inference]

transcription repressor complex

nuclear protein-containing complex [inference]

catalytic complex [inference]

histone deacetylase complex

transferase complex [inference]

methyltransferase complex [inference]

histone methyltransferase complex

ribonucleoprotein complex

cellular anatomical structure [inference]

chromatin [inference]

heterochromatin

pericentric heterochromatin

nucleoplasm

organelle envelope [inference]

nuclear envelope

organelle [inference]

membrane-bounded organelle [inference]

intracellular membrane-bounded organelle [inference]

nucleus

membraneless organelle [inference]

intracellular membraneless organelle [inference]

nuclear body [inference]

PML body

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

nucleus

intracellular membraneless organelle [inference]

nuclear body [inference]

PML body

site of DNA damage

chromosomal region [inference]

supramolecular complex [inference]

kinetochore

Displaying entries **1 - 5** of 19 in total

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GO Term	Evidence Code	PMID
chromatin binding	IBA
chromatin binding	IEA
protein binding	IPI
protein-macromolecule adaptor activity	ISS
protein-macromolecule adaptor activity	IEA

GO Hierarchy

molecular function

binding [inference]

chromatin binding

protein binding

transcription factor binding [inference]

DNA-binding transcription factor binding

enzyme binding [inference]

histone deacetylase binding

identical protein binding

protein-containing complex binding

ribonucleoprotein complex binding

molecular adaptor activity [inference]

protein-macromolecule adaptor activity

chromatin-protein adaptor activity [inference]

histone reader activity

histone H3 reader activity [inference]

histone H3K9me2/3 reader activity

histone H1 reader activity [inference]

Gene Ontology information from NCBI Gene and UniProt.

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Last updated: April 6, 2026

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Acknowledgements