SOS2 p.Arg692=
c.2076G>A · rs2502956022 · VCV2138938
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0017%, amr)
Conditions
1
Noonan syndrome 9
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 0.24 | GERP -1.1, phastCons 0.97 |
| Overall | ||
| CADD | 9.039 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0017%
Admixed American · 1/58,916 alleles
Overall
6.27e-05%
1/1,595,458 alleles · very rare
exomes 1/1,443,286 · genomes 0/152,172 · 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
- SOS2
- Protein
- p.Arg692=
- Coding
- c.2076G>A
- MANE Select
- NM_006939
- dbSNP
- rs2502956022
- Type
- single nucleotide variant
- Location
- chr14:50153155 (GRCh38)
- Gene constraint
- LOEUF 0.415 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 74.67 · 11 PDB
- Residue 692
- the n-terminal ras-gef domain; an α-helix
Similar variants
- SOS2 p.Met267Lys Likely pathogenic ★★★ ⚠ same condition
- SOS2 p.Ala1195Val Uncertain significance ★★★ ⚠ same condition
- SOS2 p.Arg225Gln Uncertain significance ★★★ ⚠ same condition
- SOS2 p.Arg986Lys Uncertain significance ★★★ ⚠ same condition
- SOS2 p.Thr1079Ala Uncertain significance ★★★ ⚠ same condition
- SOS2 p.Asn867Ser Likely benign ★★★ same condition
- SOS2 p.Met267Arg Pathogenic/Likely pathogenic ★★ ⚠ same condition
- SOS2 p.Met267Thr Pathogenic ★★ ⚠ same condition
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/sos2-p-arg692 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown