TNC p.Ile29=
c.87C>T · rs7038451 · VCV1317587
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
rare (popmax 0.801%, afr)
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 1.9 | GERP 1.5, phastCons 1 |
| Overall | ||
| CADD | 8.949 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.801%
African / African-American · 601/75,012 alleles
Filtering AF
0.748%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.727%
Overall
0.041%
661/1,614,152 alleles · rare
exomes 297/1,461,884 · genomes 364/152,268 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.801% | 125 |
| Remaining individualsnot grpmax-eligible | 0.0544% | 1,839 |
| Admixed American | 0.0283% | 3,531 |
| South Asian | 0.00329% | 30,361 |
| European (non-Finnish) | 0.000508% | 196,673 |
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.Ile29=
- Coding
- c.87C>T
- MANE Select
- NM_002160
- dbSNP
- rs7038451
- Type
- single nucleotide variant
- Location
- chr9:115090932 (GRCh38)
- Gene constraint
- LOEUF 0.608 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.48 · 21 PDB
Similar variants
- TNC p.Arg1127Trp Uncertain significance ★★ ⚠ same type
- TNC p.Arg608Cys Uncertain significance ★★ ⚠ same type
- TNC p.Arg669His Uncertain significance ★★ ⚠ same type
- TNC p.Arg747Trp Uncertain significance ★★ ⚠ same type
- TNC p.Asn507Lys Uncertain significance ★★ ⚠ same type
- TNC p.Asp2059Glu Uncertain significance ★★ ⚠ same type
- TNC p.Asp831Asn Uncertain significance ★★ ⚠ same type
- TNC p.Asp971Asn 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/tnc-p-ile29 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown