Is RAD51C p.Arg366= (c.1098G>A) pathogenic?

RAD51C p.Arg366= (c.1098G>A) is classified Likely benign in RAD51C (ClinVar, Single submitter, 1 submitter; last evaluated 2023-11-05). Absent from gnomAD v4.1; Associated with Fanconi anemia complementation group O.

What condition is associated with RAD51C p.Arg366= (c.1098G>A)?

RAD51C p.Arg366= (c.1098G>A) is associated with Fanconi anemia complementation group O (ClinVar).

How common is RAD51C p.Arg366= (c.1098G>A) in the general population?

RAD51C p.Arg366= (c.1098G>A) is absent from gnomAD v4.1 (gnomAD).

RAD51C p.Arg366=

c.1098G>A · rs1555605608 · VCV2693386

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

Fanconi anemia complementation group O

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.016	strongly benign-leaning
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP 1.4	GERP -0.2, phastCons 1
Overall
CADD	6.568	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.Arg366=
Coding: c.1098G>A
MANE Select: NM_058216
dbSNP: rs1555605608
Type: single nucleotide variant
Location: chr17:58734189 (GRCh38)
Gene constraint: LOEUF 1.139 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 84.23 · 17 PDB
Residue 366: a UniProt-annotated variant site (in)

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

Disease context

Fanconi anemia complementation group O — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

RAD51C p.Arg366Gln Conflicting classifications of pathogenicity ★ ⚠ same residue
RAD51C p.Arg366Pro Uncertain significance ★ ⚠ same residue
RAD51C p.Arg366Trp Conflicting classifications of pathogenicity ★ ⚠ same residue
RAD51C p.Arg366Gly Benign ★ 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+2T>C Pathogenic/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-arg366 (accessed [today's date]).

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