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BAP1 c.122+5G>A

rs1578230320 · VCV646584

Pathogenic/Likely pathogenic Multiple submitters
Classification
Pathogenic/Likely pathogenic
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Absent
absent from gnomAD v4.1
Conditions
1
BAP1-related tumor predisposition syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Splicing
Splice regiondonor +5donor splice region (+5, within the first 6 intronic nt) · inside the BP7-excluded zone
SpliceAIΔ0.55donor loss, 5 bp away · masked 0 · deltas
PangolinΔ0.76loss · gain 0.23 · agrees with SpliceAI · independent
Constraint at this position
ConservationphyloP 7.6GERP 1.4, phastCons 1
Non-coding constraintZ 2.711 kb window · o/e 0.83 · regional · uncalibrated
Overall
CADD23.3PHRED · 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
BAP1
Coding
c.122+5G>A
MANE Select
NM_007212 · reported on NM_004656
dbSNP
rs1578230320
Type
single nucleotide variant
Location
chr3:52409549 (GRCh38)
Structure
AlphaFold pLDDT 78.27 · 28 PDB
Full BAP1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

BAP1-related tumor predisposition syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For BAP1-related tumor predisposition syndrome (Orphanet):

Inheritance
Autosomal dominant
Onset
Adult

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/bap1-c-122-plus-5g-a (accessed [today's date]).

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