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TRPC3 p.Ser673Phe

c.2018C>T · rs2476798310 · VCV3183223

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00017%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.804moderately pathogenic-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 12GERP 2.2, phastCons 1
Regional constrainto/e 0.56unconstrained · MANE · 6,020 bp · p 7.1e-13 · regional, not allelic
Overall
CADD33.0PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00017% European (non-Finnish) · 2/1,179,304 alleles
Filtering AF 2.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.1e-05%
Overall 0.000124% 2/1,612,786 alleles · very rare exomes 2/1,460,624 · genomes 0/152,162 · 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.Ser673Phe
Coding
c.2018C>T
MANE Select
NM_001130698
dbSNP
rs2476798310
Type
single nucleotide variant
Location
chr4:121907342 (GRCh38)
Gene constraint
LOEUF 0.751 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 78.42 · 19 PDB
Residue 673
an α-helix
Full TRPC3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-ser673phe (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown