TRRAP p.Pro1291=
c.3873C>T · rs376448847 · VCV2067611
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.084%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.363 | indeterminate |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -1.2 | GERP -3.7 |
| Overall | ||
| CADD | 0.925 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.084%
African / African-American · 63/75,038 alleles
Filtering AF
0.0673%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0613%
Overall
0.00502%
81/1,613,512 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.084% | 1,191 |
| Admixed American | 0.0167% | 5,994 |
| Remaining individualsnot grpmax-eligible | 0.0128% | 7,812 |
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
- TRRAP
- Protein
- p.Pro1291=
- Coding
- c.3873C>T
- MANE Select
- NM_001375524
- dbSNP
- rs376448847
- Type
- single nucleotide variant
- Location
- chr7:98933261 (GRCh38)
- Gene constraint
- LOEUF 0.115 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
- Residue 1291
- a turn
Similar variants
- TRRAP p.Arg1035Gln Pathogenic/Likely pathogenic ★★ same type
- TRRAP p.Glu1104Gly Pathogenic/Likely pathogenic ★★ same type
- TRRAP p.Glu1106Lys Likely pathogenic ★★ same type
- TRRAP p.Met3318Val Pathogenic/Likely pathogenic ★★ same type
- TRRAP p.Val1030Ile Likely pathogenic ★★ same type
- TRRAP c.2622+3A>G Uncertain significance ★★ same type
- TRRAP c.7176+4A>G Uncertain significance ★★ same type
- TRRAP c.8247+5G>T 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/trrap-p-pro1291 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown