STAP1 p.Arg148=
c.444G>A · VCV3323074
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00439%, 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 0.9 | GERP -4.2, phastCons 1 |
| Overall | ||
| CADD | 7.627 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00439%
South Asian · 4/91,056 alleles
Filtering AF
0.00143%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000891%
Overall
0.00031%
5/1,613,954 alleles · very rare
exomes 4/1,461,744 · genomes 1/152,210 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00439% | 22,764 |
| African / African-American | 0.00133% | 74,916 |
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
- STAP1
- Protein
- p.Arg148=
- Coding
- c.444G>A
- MANE Select
- NM_012108
- Type
- single nucleotide variant
- Location
- chr4:67581385 (GRCh38)
- Structure
- AlphaFold pLDDT 88.06
Similar variants
- STAP1 p.Gln192Arg Uncertain significance ★★ ⚠ same type
- STAP1 p.Leu288Val Uncertain significance ★★ ⚠ same type
- STAP1 c.120+6T>C Benign/Likely benign ★★ same type
- STAP1 c.192+102T>C Likely benign ★★ same type
- STAP1 c.192+10T>C Benign ★★ same type
- STAP1 c.530+11A>G Benign ★★ same type
- STAP1 c.530+60A>G Benign ★★ same type
- STAP1 c.730-41G>C Benign ★★ 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/stap1-p-arg148 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown