TANGO2 p.Ser256=
c.768C>T · rs2519193654 · VCV2980852
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0011%, sas)
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 1.7 | GERP 1.2, phastCons 1 |
| Overall | ||
| CADD | 16.47 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0011%
South Asian · 1/91,082 alleles
Overall
6.2e-05%
1/1,614,174 alleles · very rare
exomes 1/1,461,850 · genomes 0/152,324 · joint denominator
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.Ser256=
- Coding
- c.768C>T
- MANE Select
- NM_152906
- dbSNP
- rs2519193654
- Type
- single nucleotide variant
- Location
- chr22:20064599 (GRCh38)
- Gene constraint
- LOEUF 0.914 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 95.43 · 3 PDB
- Residue 256
- a UniProt-annotated variant site (in mecrcn); a UniProt-annotated variant site (in mecrcn; delayed er-to-golgi transport; altered mitochondrial morphology); a UniProt-annotated variant site (in mecrcn; uncertain significance); a β-strand
Similar variants
- 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
- TANGO2 p.Arg88Ter 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-ser256 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown