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SKI p.Ala694=

c.2082C>T · rs1254387604 · VCV2893477

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00716%, sas)
Conditions
1
Shprintzen-Goldberg syndrome

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 -1.3GERP -3.1
Overall
CADD4.178PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00716% South Asian · 6/83,798 alleles
Filtering AF 0.00307% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00209%
Overall 0.000583% 9/1,545,040 alleles · very rare exomes 9/1,392,750 · genomes 0/152,290 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.00716% 13,966
African / African-American 0.00412% 24,268

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
SKI
Protein
p.Ala694=
Coding
c.2082C>T
MANE Select
NM_003036
dbSNP
rs1254387604
Type
single nucleotide variant
Location
chr1:2306660 (GRCh38)
Gene constraint
LOEUF 0.809 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 67.18 · 4 PDB
Full SKI 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/ski-p-ala694 (accessed [today's date]).

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