Is BAP1 p.Asp74= (c.222T>C) pathogenic?

BAP1 p.Asp74= (c.222T>C) is classified Conflicting classifications of pathogenicity in BAP1 (ClinVar, Conflicting submitters, 2 submitters; last evaluated 2025-08-13). Absent from gnomAD v4.1; Associated with BAP1-related tumor predisposition syndrome.

What condition is associated with BAP1 p.Asp74= (c.222T>C)?

BAP1 p.Asp74= (c.222T>C) is associated with BAP1-related tumor predisposition syndrome (ClinVar).

How common is BAP1 p.Asp74= (c.222T>C) in the general population?

BAP1 p.Asp74= (c.222T>C) is absent from gnomAD v4.1 (gnomAD).

How is BAP1-related tumor predisposition syndrome inherited?

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

BAP1 p.Asp74=

c.222T>C · VCV3379172

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 2 submitters

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,612,344)

Conditions

BAP1-related tumor predisposition syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	<0.2	all four deltas below 0.2 · A>T here scores Δ0.21 · evaluated, not missing
Constraint at this position
Conservation	phyloP -1.7	GERP -3.5
Overall
CADD	3.79	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,612,344). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: BAP1
Protein: p.Asp74=
Coding: c.222T>C
MANE Select: NM_007212 · reported on NM_004656
Type: single nucleotide variant
Location: chr3:52408507 (GRCh38)
Structure: AlphaFold pLDDT 78.27 · 28 PDB
Residue 74: the 'interaction with hip2' region; an α-helix

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

BAP1 p.Asp74Tyr Uncertain significance ★★ ⚠ same residue
BAP1 p.Asp74Glu Uncertain significance ★ 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-asp74 (accessed [today's date]).

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