TONSL p.Cys231Phe
c.692G>T · VCV3662599
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
ambiguous
0.5079 · ACMG-weighted
gnomAD v4.1
Absent
absent from gnomAD v4.1
Computational evidence
| Protein change | ||
| AlphaMissense | 0.5079 | ambiguous |
|---|---|---|
| REVEL | 0.61 | indeterminate |
| SaProt | LLR -11.20 | damaging |
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 7.7 | GERP 1.5, phastCons 1 |
| Regional constraint | o/e 1.01 | unconstrained · MANE · 15 kb · p 0.67 · regional, not allelic |
| Overall | ||
| CADD | 25.5 | PHRED · no single calibrated threshold — expert panels disagree |
AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- TONSL
- Protein
- p.Cys231Phe
- Coding
- c.692G>T
- MANE Select
- NM_013432
- Type
- single nucleotide variant
- Location
- chr8:144442299 (GRCh38)
- Gene constraint
- LOEUF 1.024 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 76.06 · 3 PDB
- Residue 231
- a UniProt-annotated variant site (in semdsp; disease phenotype includes immunologic and hematologic abnormalities); a UniProt-annotated variant site (in semdsp)
Similar variants
- TONSL p.Cys231Tyr Uncertain significance ★ ⚠ same residue
- TONSL c.1891-1G>C Pathogenic/Likely pathogenic ★★ same type
- TONSL p.Arg875Ter Pathogenic/Likely pathogenic ★★ same type
- TONSL p.Arg934Trp Pathogenic ★★ ⚠ same type
- TONSL p.Gln177Ter Pathogenic/Likely pathogenic ★★ same type
- TONSL p.Gln511Ter Pathogenic/Likely pathogenic ★★ same type
- TONSL p.Glu487Lys Pathogenic/Likely pathogenic ★★ ⚠ same type
- TONSL c.2775+5G>T 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/tonsl-p-cys231phe (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown