TRPC3 p.Pro262Leu
c.785C>T · VCV3674495
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00267%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.765 | pathogenic-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 12 | GERP 2.2, phastCons 1 |
| Regional constraint | o/e 0.84 | unconstrained · MANE · 41 kb · p 1.4e-05 · regional, not allelic |
| Overall | ||
| CADD | 32.0 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00267%
African / African-American · 2/75,044 alleles
Filtering AF
0.000442%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000166%
Overall
0.000186%
3/1,614,142 alleles · very rare
exomes 1/1,461,878 · genomes 2/152,264 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00267% | 37,522 |
| Admixed American | 0.00167% | 60,018 |
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
- TRPC3
- Protein
- p.Pro262Leu
- Coding
- c.785C>T
- MANE Select
- NM_001130698
- Type
- single nucleotide variant
- Location
- chr4:121932473 (GRCh38)
- Gene constraint
- LOEUF 0.751 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 78.42 · 19 PDB
- Residue 262
- an α-helix
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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/trpc3-p-pro262leu (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown