TNC p.Val232=
c.696A>G · rs2992147 · VCV1280191
Benign
Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 4 submitters
gnomAD v4.1
Common
common (popmax 57.8%, afr) — too common for a highly-penetrant pathogenic allele
Conditions
1
autosomal dominant nonsyndromic hearing loss 56
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 0.16 | phastCons 0.002 |
| Overall | ||
| CADD | 6.322 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
57.8%
African / African-American · 43,354/74,960 alleles
Filtering AF
57.4%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 57.2%
Overall
44%
709,574/1,613,822 alleles · common
exomes 637,220/1,461,822 · genomes 72,354/152,000 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 57.8% | 2 |
| Admixed American | 56.4% | 2 |
| Ashkenazi Jewishnot grpmax-eligible | 54.9% | 2 |
| Middle Eastern | 46.1% | 2 |
| Remaining individualsnot grpmax-eligible | 44.2% | 2 |
| Finnishnot grpmax-eligible | 43.6% | 2 |
| European (non-Finnish) | 43.2% | 2 |
| South Asian | 38.5% | 3 |
| Amishnot grpmax-eligible | 38.3% | 3 |
| East Asian | 29.1% | 3 |
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
- TNC
- Protein
- p.Val232=
- Coding
- c.696A>G
- MANE Select
- NM_002160
- dbSNP
- rs2992147
- Type
- single nucleotide variant
- Location
- chr9:115087035 (GRCh38)
- Gene constraint
- LOEUF 0.608 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.48 · 21 PDB
- Residue 232
- the egf-like 3 domain
Similar variants
- TNC p.Arg669His Uncertain significance ★★ ⚠ same condition
- TNC p.Arg747Trp Uncertain significance ★★ ⚠ same condition
- TNC p.Asp971Asn Uncertain significance ★★ ⚠ same condition
- TNC p.Ile1148Val Uncertain significance ★★ ⚠ same condition
- TNC p.Thr1095Ile Uncertain significance ★★ ⚠ same condition
- TNC p.Thr1138Met Uncertain significance ★★ ⚠ same condition
- TNC p.Thr987Met Uncertain significance ★★ ⚠ same condition
- TNC p.Val1898Ile Uncertain significance ★★ ⚠ same condition
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/tnc-p-val232 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown