TSFM p.Ser306=
c.918G>A · rs149429981 · VCV1151972
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0293%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -2 | GERP -4.7 |
| Overall | ||
| CADD | 5.026 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0293%
African / African-American · 21/71,712 alleles
Filtering AF
0.0196%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0164%
Overall
0.0016%
24/1,497,998 alleles · ultra-rare
exomes 10/1,345,882 · genomes 14/152,116 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0293% | 3,415 |
| East Asian | 0.00229% | 43,666 |
| European (non-Finnish) | 0.000178% | 560,922 |
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
- TSFM
- Protein
- p.Ser306=
- Coding
- c.918G>A
- MANE Select
- NM_005726
- dbSNP
- rs149429981
- Type
- single nucleotide variant
- Location
- chr12:57796523 (GRCh38)
- Gene constraint
- LOEUF 1.197 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 87.87 · 1 PDB
- Residue 306
- a UniProt-annotated variant site (in coxpd3)
Similar variants
- TSFM p.Ser306Leu Uncertain significance ★★ ⚠ same residue
- TSFM c.231+1G>A Likely pathogenic ★★ same type
- TSFM c.232-2A>G Likely pathogenic ★★ same type
- TSFM c.484-1G>A Likely pathogenic ★★ same type
- TSFM c.484-1G>T Likely pathogenic ★★ same type
- TSFM c.57+1G>A Likely pathogenic ★★ same type
- TSFM c.571+1G>C Pathogenic/Likely pathogenic ★★ same type
- TSFM p.Arg201Ter 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/tsfm-p-ser306 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown