Is BAP1 p.His274= (c.822C>T) pathogenic?

BAP1 p.His274= (c.822C>T) is classified Likely benign in BAP1 (ClinVar, Single submitter, 1 submitter; last evaluated 2017-11-06). Absent from gnomAD v4.1; Associated with hereditary neoplastic syndrome.

What condition is associated with BAP1 p.His274= (c.822C>T)?

BAP1 p.His274= (c.822C>T) is associated with hereditary neoplastic syndrome (ClinVar).

How common is BAP1 p.His274= (c.822C>T) in the general population?

BAP1 p.His274= (c.822C>T) is absent from gnomAD v4.1 (gnomAD).

BAP1 p.His274=

c.822C>T · rs1553645500 · VCV630744

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

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 1.6	GERP -1.7, phastCons 1
Overall
CADD	8.345	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.His274=
Coding: c.822C>T
MANE Select: NM_007212 · reported on NM_004656
dbSNP: rs1553645500
Type: single nucleotide variant
Location: chr3:52405874 (GRCh38)
Structure: AlphaFold pLDDT 78.27 · 28 PDB
Residue 274: 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

Similar variants

BAP1 p.His274Arg Uncertain significance ★★ ⚠ same residue
BAP1 p.His274Gln Uncertain significance ★★ ⚠ same residue
BAP1 p.His274Tyr Uncertain significance ★★ ⚠ same residue
BAP1 p.His274Asp Uncertain significance ★ ⚠ same residue
BAP1 p.His274Pro Conflicting classifications of pathogenicity ★ ⚠ same residue
BAP1 p.His274Leu Uncertain significance ★ ⚠ same residue
RNF2 p.Ser274Asn Uncertain significance ★ ⚠ same residue
BAP1 c.1117-1G>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-his274 (accessed [today's date]).

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