Is BRIP1 p.Gly657Asp (c.1970G>A) pathogenic?

BRIP1 p.Gly657Asp (c.1970G>A) is classified Uncertain significance in BRIP1 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-01-29). AlphaMissense: likely benign (0.2485); Very rare (popmax 6.84e-05%); Associated with hereditary breast carcinoma.

What condition is associated with BRIP1 p.Gly657Asp (c.1970G>A)?

BRIP1 p.Gly657Asp (c.1970G>A) is associated with hereditary breast carcinoma, Fanconi anemia complementation group J, hereditary neoplastic syndrome (ClinVar).

How common is BRIP1 p.Gly657Asp (c.1970G>A) in the general population?

BRIP1 p.Gly657Asp (c.1970G>A) is very rare (popmax 6.84e-05%) (gnomAD).

How is Hereditary breast cancer inherited?

Typically Autosomal dominant, Multigenic/multifactorial (Orphanet). A genetic counselor can assess individual risk for a family.

What do computational predictors say about BRIP1 p.Gly657Asp (c.1970G>A)?

AlphaMissense predicts likely benign (score 0.2485) — an in-silico prediction, not a clinical call.

BRIP1 p.Gly657Asp

c.1970G>A · rs1603328878 · VCV820443

Uncertain significance Multiple submitters

Classification

Uncertain significance

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

AlphaMissense

likely benign

0.2485 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 6.84e-05%)

Missense predictors

2/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

hereditary breast carcinoma

Computational evidence

Protein change
AlphaMissense	0.2485	likely benign
REVEL	0.696	pathogenic-leaning
SaProt	LLR -10.55	damaging
⇒ REVEL and SaProt call this damaging; AlphaMissense does not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 2.2, phastCons 1
Regional constraint	o/e 0.84	unconstrained · MANE · 110 kb · p 3.3e-06 · regional, not allelic
Overall
CADD	26.4	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 6.84e-05%

Overall 6.84e-05% 1/1,461,824 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: BRIP1
Protein: p.Gly657Asp
Coding: c.1970G>A
MANE Select: NM_032043
dbSNP: rs1603328878
Type: single nucleotide variant
Location: chr17:61776528 (GRCh38)
Gene constraint: LOEUF 0.848 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 64.19 · 6 PDB

Full BRIP1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

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

Also linked: Fanconi anemia complementation group J hereditary neoplastic syndrome

For Hereditary breast cancer (Orphanet):

Inheritance: Autosomal dominant, Multigenic/multifactorial
Onset: Adult, Elderly

Similar variants

BRIP1 p.Gly657Arg Uncertain significance ★★ ⚠ same residue
BRIP1 p.Gly657Cys Uncertain significance ★★ ⚠ same residue
BRIP1 p.Gly657Val Uncertain significance ★★ ⚠ same residue
BRIP1 p.Gly657= Benign/Likely benign ★★ same residue
BRIP1 p.Gly657Ser Uncertain significance ★ ⚠ same residue
BRIP1 p.Gly657fs Pathogenic/Likely pathogenic ★★ same residue
BRIP1 c.1140+1G>A Likely pathogenic ★★ same condition
BRIP1 c.1141-2A>C 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/brip1-p-gly657asp (accessed [today's date]).

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