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SOS2 p.Leu802=

c.2406T>C · rs2502917598 · VCV2130737

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 6.89e-05%)
Conditions
1
Noonan syndrome 9

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 3.4GERP -2.6, phastCons 1
Overall
CADD7.885PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 6.89e-05%
Overall 6.89e-05% 1/1,450,980 alleles · very rare

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.Leu802=
Coding
c.2406T>C
MANE Select
NM_006939
dbSNP
rs2502917598
Type
single nucleotide variant
Location
chr14:50145575 (GRCh38)
Gene constraint
LOEUF 0.415 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 74.67 · 11 PDB
Residue 802
the ras-gef domain
Full SOS2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-leu802 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown