TRPC3 p.Ala443Val
c.1328C>T · rs183645103 · VCV2170739
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00144%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.406 | indeterminate |
|---|---|---|
| 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 | 24.0 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00144%
European (non-Finnish) · 17/1,177,334 alleles
Filtering AF
0.00088%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000719%
Overall
0.00106%
17/1,610,376 alleles · very rare
exomes 16/1,458,216 · genomes 1/152,160 · joint denominator
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.Ala443Val
- Coding
- c.1328C>T
- MANE Select
- NM_001130698
- dbSNP
- rs183645103
- Type
- single nucleotide variant
- Location
- chr4:121914793 (GRCh38)
- Gene constraint
- LOEUF 0.751 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 78.42 · 19 PDB
Similar variants
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- TRPC3 p.Glu901Lys Uncertain significance ★★ same type
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- TRPC3 p.Pro444Ser 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/trpc3-p-ala443val (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown