# NCOR2

Source: https://onco.cc/targets/ncor2/  
OnCo record `ncor2` (Target). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

NCOR2 (Nuclear receptor corepressor 2) is a protein that switches other genes on and off. The public catalogues list it as an oncogene driver and a tumour suppressor, and it is called a cancer driver by mutation analysis of patient cohorts. Tied to Colorectal cancer, Hepatocellular carcinoma, Prostate cancer and 5 more.

## Summary

Transcriptional corepressor that mediates the transcriptional repression activity of some nuclear receptors by promoting chromatin condensation, thus preventing access of the basal transcription. Acts by recruiting chromatin modifiers, such as histone deacetylases HDAC1, HDAC2 and HDAC3. Required to activate the histone deacetylase activity of HDAC3.

Open Targets scores its association with cancer at 0.72 (direct and indirect evidence; datatypes literature 0.90, animal model 0.54, genetic association 0.16, somatic mutation 0.91). IntOGen calls it a driver in 10 cohorts (3 activating, 6 loss-of-function), covering Invasive Breast Carcinoma, Colorectal Adenocarcinoma, Oesophageal Adenocarcinoma, Hepatocellular Carcinoma, High-Grade Glioma, NOS, Leiomyosarcoma and others.

## Fields

- Kind: Target
- Last checked: 2026-09-23
- Also known as: nuclear receptor corepressor 2; Nuclear receptor corepressor 2; SMRTE; TRAC-1; CTG26; TNRC14
- Tags: cancer-genes-wave
- Symbol: NCOR2
- Class: transcription
- Biology: Transcriptional corepressor that mediates the transcriptional repression activity of some nuclear receptors by promoting chromatin condensation, thus preventing access of the basal transcription. Acts by recruiting chromatin modifiers, such as histone deacetylases HDAC1, HDAC2 and HDAC3. Required to activate the histone deacetylase activity of HDAC3. Involved in the regulation BCL6-dependent of the germinal centre (GC) reactions, mainly through the control of the GC B-cells proliferation and survival. Recruited by ZBTB7A to the androgen response elements/ARE on target genes, negatively regulates androgen receptor signalling and androgen-induced cell proliferation. Isoform 1 and isoform 4 have different affinities for different nuclear receptors. Location: Nucleus (UniProt). Locus 12q24.31 (HGNC).
- Where found: Colorectal cancer: Open Targets association 0.58 with colorectal cancer (MONDO_0005575); IntOGen driver in 2 cohorts (COADREAD); Hepatocellular carcinoma: IntOGen driver in 2 cohorts (HCC); Prostate cancer: Open Targets association 0.52 with prostate cancer (MONDO_0008315); IntOGen driver in 1 cohort (PRAD); Breast cancer: Open Targets association 0.56 with breast cancer (MONDO_0007254); IntOGen driver in 1 cohort (BRCA); Oesophageal cancer: IntOGen driver in 1 cohort (ESCA); Sarcomas: IntOGen driver in 1 cohort (LMS)

## Notes

- Written by scripts/fetch-cancer-genes.ts from CIViC, Open Targets, IntOGen, HGNC and UniProt; the function text is UniProt's, condensed and in UK spelling. Roles: IntOGen calls it an activating (Act) driver in 3 cohorts; IntOGen calls it a loss-of-function (LoF) driver in 6 cohorts. Evidence tier "cohort-driver" is the strongest of those signals.
- Prevalence not recorded: none of the sources gives a positivity rate.
- Diseases the sources name that have no OnCo cancer page yet, so they are not linked: High-Grade Glioma, NOS.

## Sources

- HGNC HGNC:7673: https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:7673
- UniProt Q9Y618: https://www.uniprot.org/uniprotkb/Q9Y618/entry
- NCBI Gene 9612: https://www.ncbi.nlm.nih.gov/gene/9612
- Ensembl ENSG00000196498: https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000196498

## Connected records

- collections: [IntOGen](https://onco.cc/collections/intogen/), [Open Targets Platform](https://onco.cc/collections/open-targets/)
- cancers: [Breast cancer (all types)](https://onco.cc/cancers/breast-cancer/), [Colorectal cancer](https://onco.cc/cancers/colorectal/), [Hepatocellular carcinoma](https://onco.cc/cancers/hcc/), [Mesothelioma](https://onco.cc/cancers/mesothelioma/), [Oesophageal cancer](https://onco.cc/cancers/esophageal/), [Prostate cancer](https://onco.cc/cancers/prostate/), [Sarcomas (soft tissue, bone, GIST)](https://onco.cc/cancers/sarcoma/), [Skin cancer (all types)](https://onco.cc/cancers/skin-cancer/)

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JSON: https://onco.cc/api/v1/entities/ncor2.json