DEAF1 p.Thr331=
c.993C>T · rs1251847789 · VCV1571154
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.0022%, sas)
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 0.073 | GERP 0.2, phastCons 0.82 |
| Overall | ||
| CADD | 3.349 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0022%
South Asian · 2/91,076 alleles
Filtering AF
0.000365%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000137%
Overall
0.000372%
6/1,614,044 alleles · very rare
exomes 5/1,461,878 · genomes 1/152,166 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0022% | 45,538 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,484 |
| European (non-Finnish) | 0.000254% | 393,345 |
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
- DEAF1
- Protein
- p.Thr331=
- Coding
- c.993C>T
- MANE Select
- NM_021008
- dbSNP
- rs1251847789
- Type
- single nucleotide variant
- Location
- chr11:680967 (GRCh38)
- Gene constraint
- LOEUF 1.18 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 61.62 · 3 PDB
Similar variants
- DEAF1 p.Thr331Ala Uncertain significance ★ ⚠ same residue
- DEAF1 c.998-2A>G Likely pathogenic ★★ same type
- DEAF1 p.Arg224Pro Pathogenic/Likely pathogenic ★★ same type
- DEAF1 p.Arg224Trp Pathogenic/Likely pathogenic ★★ same type
- DEAF1 p.Arg226Trp Pathogenic/Likely pathogenic ★★ same type
- DEAF1 p.Arg246Thr Pathogenic/Likely pathogenic ★★ same type
- DEAF1 p.Arg261Ter Pathogenic/Likely pathogenic ★★ same type
- DEAF1 p.Arg351Ter Likely pathogenic ★★ same type
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/deaf1-p-thr331 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown