STEAP3 p.Pro71=
c.213C>T · VCV4956602
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0154%, sas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 0.44 | GERP -3.5, phastCons 0.99 |
| Overall | ||
| CADD | 16.14 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0154%
South Asian · 14/91,086 alleles
Filtering AF
0.00919%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00735%
Overall
0.00161%
26/1,613,666 alleles · ultra-rare
exomes 21/1,461,302 · genomes 5/152,364 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0154% | 6,506 |
| Remaining individualsnot grpmax-eligible | 0.0112% | 8,926 |
| East Asian | 0.00892% | 11,212 |
| European (non-Finnish) | 8.48e-05% | 1,179,599 |
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
- STEAP3
- Protein
- p.Pro71=
- Coding
- c.213C>T
- MANE Select
- NM_182915
- Type
- single nucleotide variant
- Location
- chr2:119245679 (GRCh38)
- Gene constraint
- LOEUF 1.27 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 89.24 · 2 PDB
Similar variants
- STEAP3 p.Ala490Thr Uncertain significance ★★ ⚠ same type
- STEAP3 p.Arg217Ser Uncertain significance ★★ ⚠ same type
- STEAP3 p.Arg293Trp Uncertain significance ★★ ⚠ same type
- STEAP3 p.Arg336His Uncertain significance ★★ ⚠ same type
- STEAP3 p.Arg466Cys Uncertain significance ★★ ⚠ same type
- STEAP3 p.Gln87Arg Uncertain significance ★★ ⚠ same type
- STEAP3 p.Glu141Lys Uncertain significance ★★ ⚠ same type
- STEAP3 p.Gly379Cys Uncertain significance ★★ ⚠ 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/steap3-p-pro71 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown