MTSS2 p.Arg609=
c.1827G>A · VCV4930736
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.429%, 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 -0.033 | GERP 0.76, phastCons 0.72 |
| Overall | ||
| CADD | 5.172 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.429%
Middle Eastern · 26/6,062 alleles
Filtering AF
0.301%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.258%
Overall
0.0234%
377/1,611,914 alleles · rare
exomes 287/1,459,602 · genomes 90/152,312 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.429% | 233 |
| African / African-American | 0.207% | 484 |
| Admixed American | 0.0884% | 1,131 |
| Remaining individualsnot grpmax-eligible | 0.0625% | 1,600 |
| European (non-Finnish) | 0.00865% | 11,565 |
| South Asian | 0.0022% | 45,464 |
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
- MTSS2
- Protein
- p.Arg609=
- Coding
- c.1827G>A
- MANE Select
- NM_138383
- Type
- single nucleotide variant
- Location
- chr16:70664094 (GRCh38)
- Gene constraint
- LOEUF 0.662 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 62.75
Similar variants
- MTSS2 p.Arg609Gln Uncertain significance ★ ⚠ same residue
- MTSS2 p.Arg671Trp Pathogenic/Likely pathogenic ★★ ⚠ same type
- MTSS2 p.Arg734Cys Uncertain significance ★★ ⚠ same type
- MTSS2 p.Val368Ile Uncertain significance ★★ ⚠ same type
- MTSS2 p.Pro712= Likely benign ★★ same type
- MTSS2 p.Ser252= Benign ★★ same type
- MTSS2 p.Thr181= Likely benign ★★ same type
- MTSS2 c.291-6C>G 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/mtss2-p-arg609 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown