SRCAP p.Thr1678=
c.5034G>A · VCV3619575
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00668%, 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 -4.6 | GERP -5.3 |
| Overall | ||
| CADD | 0.968 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00668%
African / African-American · 5/74,900 alleles
Filtering AF
0.00255%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00162%
Overall
0.000372%
6/1,614,026 alleles · very rare
exomes 4/1,461,888 · genomes 2/152,138 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00668% | 14,980 |
| 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
- SRCAP
- Protein
- p.Thr1678=
- Coding
- c.5034G>A
- MANE Select
- NM_006662
- Type
- single nucleotide variant
- Location
- chr16:30724458 (GRCh38)
- Gene constraint
- LOEUF 0.223 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Residue 1678
- the 'disordered' region; a UniProt-annotated variant site (in dehmba)
Similar variants
- SRCAP p.Thr1678Ala Uncertain significance ★★ ⚠ same residue
- SRCAP p.Thr1678Met Conflicting classifications of pathogenicity ★ ⚠ 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
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-thr1678 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown