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BRCA2 c.67+719T>A

rs191749285 · VCV264884

Benign Expert panel
Classification
Benign
ClinVar
Review
Expert panel ★★★☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
low-frequency (popmax 1.09%, afr)
Conditions
1
breast-ovarian cancer, familial, susceptibility to, 2

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
Splice regiondonor +719deep intronic (+719 nt into the intron)
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -1.9GERP -0.85
Overall
CADD3.118PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 1.09% African / African-American · 454/41,544 alleles
Filtering AF 1.01% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.977%
Overall 0.309% 471/152,256 alleles · low-frequency
Ancestry group Frequency 1 in
African / African-Americangrpmax 1.09% 92
Remaining individualsnot grpmax-eligible 0.0948% 1,055
Admixed American 0.0915% 1,093
European (non-Finnish) 0.00147% 68,000

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
Coding
c.67+719T>A
MANE Select
NM_000059
dbSNP
rs191749285
Type
single nucleotide variant
Location
chr13:32317246 (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

breast-ovarian cancer, familial, susceptibility to, 2 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Hereditary breast and/or ovarian cancer syndrome (Orphanet):

Inheritance
Autosomal dominant
Onset
Adult, Elderly

Similar variants

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-c-67-plus-719t-a (accessed [today's date]).

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