TANGO2 p.Ile146=
c.438C>T · rs376299828 · VCV1533588
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0164%, mid)
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 -7.1 | GERP -3.1 |
| Overall | ||
| CADD | 0.134 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0164%
Middle Eastern · 1/6,084 alleles
Filtering AF
0.00255%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00161%
Overall
0.000558%
9/1,613,930 alleles · ultra-rare
exomes 5/1,461,728 · genomes 4/152,202 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0164% | 6,084 |
| African / African-American | 0.00667% | 14,985 |
| Admixed American | 0.00167% | 60,008 |
| European (non-Finnish) | 0.00017% | 589,943 |
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
- TANGO2
- Protein
- p.Ile146=
- Coding
- c.438C>T
- MANE Select
- NM_152906
- dbSNP
- rs376299828
- Type
- single nucleotide variant
- Location
- chr22:20056000 (GRCh38)
- Gene constraint
- LOEUF 0.914 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 95.43 · 3 PDB
- Residue 146
- a UniProt-annotated variant site (in mecrcn); a UniProt-annotated variant site (in mecrcn; delayed er-to-golgi transport; altered mitochondrial morphology)
Similar variants
- TANGO2 p.Ile146fs Pathogenic ★ same residue
- TANGO2 c.451+2T>A Pathogenic/Likely pathogenic ★★ same type
- TANGO2 c.57-1G>C Pathogenic/Likely pathogenic ★★ same type
- TANGO2 c.605+1G>A Pathogenic/Likely pathogenic ★★ same type
- TANGO2 c.711-3C>G Pathogenic/Likely pathogenic ★★ same type
- TANGO2 p.Arg140Ter Pathogenic ★★ same type
- TANGO2 p.Arg32Ter Pathogenic/Likely pathogenic ★★ same type
- TANGO2 p.Arg86Ter 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/tango2-p-ile146 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown