STEAP3 p.Asp244=
c.732C>T · VCV4804026
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0586%, afr)
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 -8.4 | GERP -3.9 |
| Overall | ||
| CADD | 0.868 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0586%
African / African-American · 44/75,040 alleles
Filtering AF
0.0448%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.04%
Overall
0.00471%
76/1,613,898 alleles · ultra-rare
exomes 47/1,461,584 · genomes 29/152,314 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0586% | 1,705 |
| Admixed American | 0.02% | 5,002 |
| Middle Eastern | 0.0165% | 6,062 |
| Remaining individualsnot grpmax-eligible | 0.0048% | 20,833 |
| European (non-Finnish) | 0.00127% | 78,667 |
| South Asian | 0.0011% | 91,084 |
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.Asp244=
- Coding
- c.732C>T
- MANE Select
- NM_182915
- Type
- single nucleotide variant
- Location
- chr2:119247888 (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-asp244 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown