OnCo

RAD51C (DNA repair protein RAD51 homolog 3) is a gene. The public catalogues list it as a drug target, a biomarker and a DNA repair gene, and clinical evidence ties its variants to diagnosis, prognosis or drug response. Tied to Ovarian cancer, Breast cancer, Gastric & gastro-oesophageal junction cancer and 2 more. This dossier gathers the 0 products (0 approved), 0 trials, 0 pathways and 0 resistance routes in the corpus that involve it, with external identifiers so it can be joined to UniProt, ChEMBL, Open Targets and the rest of biology.

Biology

Essential for the homologous recombination (HR) pathway of DNA repair. Involved in the homologous recombination repair (HRR) pathway of double-stranded DNA breaks arising during DNA replication or induced by DNA-damaging agents. Part of the RAD51 paralog protein complexes BCDX2 and CX3 which act at different stages of the BRCA1-BRCA2-dependent HR pathway. Upon DNA damage, BCDX2 seems to act downstream of BRCA2 recruitment and upstream of RAD51 recruitment; CX3 seems to act downstream of RAD51 recruitment; both complexes bind predominantly to the intersection of the four duplex arms of the Holliday junction (HJ) and to junction of replication forks. The BCDX2 complex was originally reported to bind single-stranded DNA, single-stranded gaps in duplex DNA and specifically to nicks in duplex DNA. The BCDX2 subcomplex RAD51B:RAD51C exhibits single-stranded DNA-dependent ATPase activity suggesting an involvement in early stages of the HR pathway. Location: Nucleus; Cytoplasm; Cytoplasm, perinuclear region; Mitochondrion (UniProt). Locus 17q22 (HGNC).

Where it is found
  • Ovarian cancer: Open Targets association 0.83 with ovarian cancer (MONDO_0008170)
  • Breast cancer: Open Targets association 0.82 with breast cancer (MONDO_0007254)
  • Gastric & gastro-oesophageal junction cancer: Open Targets association 0.61 with gastric cancer (MONDO_0001056)
  • Prostate cancer: CIViC evidence names this disease
  • Melanoma: Open Targets association 0.50 with melanoma (MONDO_0005105)
Class: other · Gene: RAD51C · Facts checked 2026-09-23 · Target page

External identifiers

Built from HGNC, Ensembl, UniProt and ChEMBL ids

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Resistance routes

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Companion diagnostics

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Literature

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Query for this target: (TITLE:"RAD51C" OR ABSTRACT:"RAD51C" OR TITLE:"RAD51 paralog C" OR ABSTRACT:"RAD51 paralog C" OR TITLE:"DNA repair protein RAD51 homolog 3" OR ABSTRACT:"DNA repair protein RAD51 homolog 3" OR TITLE:"RAD51L2" OR ABSTRACT:"RAD51L2" OR TITLE:"FANCO" OR ABSTRACT:"FANCO") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about RAD51C, not a curated reading list.

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The dossier as machine-readable JSON: identifiers from HGNC, Ensembl, UniProt and ChEMBL, products with status, trials, pathways, hotspots, open questions and assays. The full entity record is in the open API at /api/v1/entities/rad51c.json. Licence CC BY-NC 4.0.