Is BAP1 p.Glu55= (c.165G>A) pathogenic?

BAP1 p.Glu55= (c.165G>A) is classified Likely benign in BAP1 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-10-18). Absent from gnomAD v4.1; Associated with hereditary neoplastic syndrome.

What condition is associated with BAP1 p.Glu55= (c.165G>A)?

BAP1 p.Glu55= (c.165G>A) is associated with hereditary neoplastic syndrome, BAP1-related tumor predisposition syndrome (ClinVar).

How common is BAP1 p.Glu55= (c.165G>A) in the general population?

BAP1 p.Glu55= (c.165G>A) is absent from gnomAD v4.1 (gnomAD).

BAP1 p.Glu55=

c.165G>A · rs2153228327 · VCV1777452

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -0.012	GERP -3.5, phastCons 0.83
Overall
CADD	7.319	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: BAP1
Protein: p.Glu55=
Coding: c.165G>A
MANE Select: NM_004656
dbSNP: rs2153228327
Type: single nucleotide variant
Location: chr3:52408564 (GRCh38)
Gene constraint: LOEUF 0.324 · pLI 1.00 (gnomAD)
Structure: AlphaFold pLDDT 63.87 · 4 PDB
Residue 55: the uch catalytic domain; an α-helix

Full BAP1 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: BAP1-related tumor predisposition syndrome

Similar variants

BAP1 p.Glu55Lys Uncertain significance ★★ ⚠ same residue
BAP1 p.Glu55fs Pathogenic ★ same residue
BAP1 c.1117-1G>A Likely pathogenic ★★ same condition
BAP1 c.122+1G>A Pathogenic ★★ same condition
BAP1 c.122+1G>T Pathogenic/Likely pathogenic ★★ same condition
BAP1 c.122+5G>A Pathogenic/Likely pathogenic ★★ same condition
BAP1 c.122+5G>C Likely pathogenic ★★ same condition
BAP1 c.1251-1G>A 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/bap1-p-glu55 (accessed [today's date]).

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