Send feedback

SKI p.Ala141=

c.423G>C · rs767973122 · VCV2104561

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00195%, nfe)
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 0.34GERP -3.4, phastCons 0.97
Overall
CADD8.592PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00195% European (non-Finnish) · 23/1,179,176 alleles
Filtering AF 0.0013% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00109%
Overall 0.00143% 23/1,610,898 alleles · very rare exomes 23/1,458,560 · genomes 0/152,338 · 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
SKI
Protein
p.Ala141=
Coding
c.423G>C
MANE Select
NM_003036
dbSNP
rs767973122
Type
single nucleotide variant
Location
chr1:2229189 (GRCh38)
Gene constraint
LOEUF 0.809 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 67.18 · 4 PDB
Residue 141
an α-helix
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-ala141 (accessed [today's date]).

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