TRRAP p.Arg1551=
c.4653G>T · rs35426979 · VCV787315
Benign
Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
low-frequency (popmax 2.03%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.155 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -0.55 | GERP -3.8, phastCons 0.001 |
| Overall | ||
| CADD | 0.543 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
2.03%
African / African-American · 1,524/75,020 alleles
Filtering AF
1.95%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.91%
Overall
0.112%
1,808/1,614,170 alleles · low-frequency
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 2.03% | 49 |
| Admixed American | 0.158% | 632 |
| Remaining individualsnot grpmax-eligible | 0.136% | 735 |
| Middle Eastern | 0.0661% | 1,513 |
| European (non-Finnish) | 0.00822% | 12,165 |
| South Asian | 0.00329% | 30,363 |
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.Arg1551=
- Coding
- c.4653G>T
- MANE Select
- NM_001375524
- dbSNP
- rs35426979
- Type
- single nucleotide variant
- Location
- chr7:98948325 (GRCh38)
- Gene constraint
- LOEUF 0.115 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
- Residue 1551
- a β-strand
Similar variants
- TRRAP p.Arg1551Gln Uncertain significance ★ same residue
- 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
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-arg1551 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown