TPRN p.Val97=
c.291C>T · VCV3609842
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00244%, sas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 0.79 | GERP -0.36, phastCons 1 |
| Overall | ||
| CADD | 7.321 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00244%
South Asian · 1/40,946 alleles
Filtering AF
0.000102%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 6.9e-05%
Overall
0.000534%
6/1,123,914 alleles · very rare
exomes 6/977,110 · genomes 0/146,804 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00244% | 40,946 |
| African / African-American | 0.00169% | 59,190 |
| European (non-Finnish) | 0.000437% | 228,793 |
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
- TPRN
- Protein
- p.Val97=
- Coding
- c.291C>T
- MANE Select
- NM_001128228
- Type
- single nucleotide variant
- Location
- chr9:137200421 (GRCh38)
- Gene constraint
- LOEUF 1.099 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 55.27 · 1 PDB
Similar variants
- TPRN p.Gln414Ter Pathogenic ★★ same type
- TPRN c.1725+5G>A Uncertain significance ★★ same type
- TPRN p.Ala191Val Uncertain significance ★★ ⚠ same type
- TPRN p.Ala302Asp Uncertain significance ★★ ⚠ same type
- TPRN p.Ala390Ser Uncertain significance ★★ ⚠ same type
- TPRN p.Ala695Thr Uncertain significance ★★ ⚠ same type
- TPRN p.Arg231Trp Uncertain significance ★★ ⚠ same type
- TPRN p.Arg284His 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/tprn-p-val97 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown