Is RAD51C p.Lys188= (c.564G>A) pathogenic?

RAD51C p.Lys188= (c.564G>A) is classified Benign/Likely benign in RAD51C (ClinVar, Multiple submitters, 3 submitters; last evaluated 2025-02-18). Absent from gnomAD v4.1; Associated with hereditary neoplastic syndrome.

What condition is associated with RAD51C p.Lys188= (c.564G>A)?

RAD51C p.Lys188= (c.564G>A) is associated with hereditary neoplastic syndrome, Fanconi anemia complementation group O, breast-ovarian cancer, familial, susceptibility to, 3 (ClinVar).

How common is RAD51C p.Lys188= (c.564G>A) in the general population?

RAD51C p.Lys188= (c.564G>A) is absent from gnomAD v4.1 (gnomAD).

RAD51C p.Lys188=

c.564G>A · rs876658264 · VCV471446

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.05	moderately benign-leaning
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 1.4	GERP 0.55, phastCons 0.95
Overall
CADD	4.603	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: RAD51C
Protein: p.Lys188=
Coding: c.564G>A
MANE Select: NM_058216
dbSNP: rs876658264
Type: single nucleotide variant
Location: chr17:58696852 (GRCh38)
Gene constraint: LOEUF 1.139 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 84.23 · 17 PDB
Residue 188: a turn

Full RAD51C gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

hereditary neoplastic syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: Fanconi anemia complementation group O breast-ovarian cancer, familial, susceptibility to, 3

Similar variants

RAD51C p.Lys188Asn Conflicting classifications of pathogenicity ★ ⚠ same residue
RAD51C p.Lys188Glu Uncertain significance ★ ⚠ same residue
RAD51C p.Lys188Met Conflicting classifications of pathogenicity ★ ⚠ same residue
RAD51C p.Lys188fs Pathogenic ★ same residue
RAD51C c.145+1G>A Pathogenic/Likely pathogenic ★★ same condition
RAD51C c.145+1G>T Pathogenic/Likely pathogenic ★★ same condition
RAD51C c.146-1G>A Likely pathogenic ★★ same condition
RAD51C c.404+1G>A Likely pathogenic ★★ same condition

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/rad51c-p-lys188 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown