SRCAP p.Arg163=
c.489G>A · VCV4754204
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0266%, 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 -0.075 | GERP -5.5, phastCons 0.82 |
| Overall | ||
| CADD | 4.401 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0266%
African / African-American · 20/75,050 alleles
Filtering AF
0.0176%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0147%
Overall
0.00136%
22/1,613,758 alleles · ultra-rare
exomes 9/1,461,432 · genomes 13/152,326 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0266% | 3,753 |
| Admixed American | 0.00167% | 59,996 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,470 |
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
- SRCAP
- Protein
- p.Arg163=
- Coding
- c.489G>A
- MANE Select
- NM_006662
- Type
- single nucleotide variant
- Location
- chr16:30707365 (GRCh38)
- Gene constraint
- LOEUF 0.223 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Residue 163
- the hsa domain; an α-helix
Similar variants
- SRCAP p.Arg163Trp Uncertain significance ★★ ⚠ same residue
- SRCAP p.Arg2329Ter Pathogenic/Likely pathogenic ★★ same type
- SRCAP p.Arg2435Ter Pathogenic/Likely pathogenic ★★ same type
- SRCAP p.Arg2444Ter Pathogenic ★★ same type
- SRCAP p.Arg2718Ter Pathogenic/Likely pathogenic ★★ same type
- SRCAP p.Arg2748Ter Pathogenic ★★ same type
- SRCAP p.Gln2407Ter Pathogenic ★★ same type
- SRCAP p.Gln2419Ter 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/srcap-p-arg163 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown