TMPRSS3 p.Cys385=
c.1155C>T · rs746293388 · VCV517241
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0367%, amr)
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 -6.2 | GERP -5 |
| Overall | ||
| CADD | 0.38 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0367%
Admixed American · 22/60,008 alleles
Filtering AF
0.0248%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0209%
Overall
0.0138%
223/1,613,702 alleles · ultra-rare
exomes 212/1,461,500 · genomes 11/152,202 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.0367% | 2,728 |
| European (non-Finnish) | 0.0153% | 6,519 |
| Remaining individualsnot grpmax-eligible | 0.0096% | 10,413 |
| Finnishnot grpmax-eligible | 0.00942% | 10,619 |
| East Asian | 0.00668% | 14,965 |
| African / African-American | 0.00667% | 14,986 |
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
- TMPRSS3
- Protein
- p.Cys385=
- Coding
- c.1155C>T
- MANE Select
- NM_001256317
- dbSNP
- rs746293388
- Type
- single nucleotide variant
- Location
- chr21:42376577 (GRCh38)
- Gene constraint
- LOEUF 1.106 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 87.09
- Residue 385
- the peptidase s1 domain
Similar variants
- TMPRSS3 p.Cys385Arg Likely pathogenic ★ same residue
- TMPRSS3 c.1049-4G>A Likely pathogenic ★★ same type
- TMPRSS3 c.206-2A>G Likely pathogenic ★★ same type
- TMPRSS3 c.323-6G>A Pathogenic/Likely pathogenic ★★ same type
- TMPRSS3 c.446+1G>T Likely pathogenic ★★ same type
- TMPRSS3 c.573-1G>A Likely pathogenic ★★ same type
- TMPRSS3 p.Ala138Glu Pathogenic/Likely pathogenic ★★ same type
- TMPRSS3 p.Ala306Thr Pathogenic/Likely pathogenic ★★ 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/tmprss3-p-cys385 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown