Is BRCA2 p.Phe354Leu (c.1060T>C) pathogenic?

BRCA2 p.Phe354Leu (c.1060T>C) is classified Conflicting classifications of pathogenicity in BRCA2 (ClinVar, Conflicting submitters, 4 submitters; last evaluated 2023-12-18). AlphaMissense: ambiguous (0.4646); Very rare (popmax 0.00167%, amr); Associated with hereditary neoplastic syndrome.

What condition is associated with BRCA2 p.Phe354Leu (c.1060T>C)?

BRCA2 p.Phe354Leu (c.1060T>C) is associated with hereditary neoplastic syndrome, hereditary breast ovarian cancer syndrome, breast-ovarian cancer, familial, susceptibility to, 2 (ClinVar).

How common is BRCA2 p.Phe354Leu (c.1060T>C) in the general population?

BRCA2 p.Phe354Leu (c.1060T>C) is very rare (popmax 0.00167%, amr) (gnomAD).

What do computational predictors say about BRCA2 p.Phe354Leu (c.1060T>C)?

AlphaMissense predicts ambiguous (score 0.4646) — an in-silico prediction, not a clinical call.

BRCA2 p.Phe354Leu

c.1060T>C · rs1318579197 · VCV1470462

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 4 submitters

AlphaMissense

ambiguous

0.4646 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00167%, amr)

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
AlphaMissense	0.4646	ambiguous · top 9% in BRCA2
REVEL	0.357	indeterminate
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.72	GERP -1.4, phastCons 0.43
Regional constraint	o/e 1.03	unconstrained · MANE · 47 kb · p 0.059 · regional, not allelic
Overall
CADD	6.606	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00167% Admixed American · 1/59,734 alleles

Overall 6.85e-05% 1/1,460,296 alleles · very rare

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: BRCA2
Protein: p.Phe354Leu
Coding: c.1060T>C
MANE Select: NM_000059
dbSNP: rs1318579197
Type: single nucleotide variant
Location: chr13:32332538 (GRCh38)
Gene constraint: LOEUF 0.803 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)

Full BRCA2 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: hereditary breast ovarian cancer syndrome breast-ovarian cancer, familial, susceptibility to, 2

Similar variants

BRCA2 p.Phe354Cys Uncertain significance ★★ ⚠ same residue
BRCA2 p.Phe354fs Likely pathogenic ★ same residue
BRCA2 c.316+1G>T Pathogenic ★★★ same condition
BRCA2 c.316+2T>C Pathogenic ★★★ same condition
BRCA2 c.316+5G>A Pathogenic ★★★ same condition
BRCA2 c.316+5G>C Pathogenic ★★★ same condition
BRCA2 c.475+1G>A Pathogenic ★★★ same condition
BRCA2 c.475+1G>T 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/brca2-p-phe354leu (accessed [today's date]).

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