CASK p.Gln918=
c.2754G>A · rs2519651406 · VCV2126680
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00176%, sas)
Conditions
1
Intellectual disability, CASK-related, X-linked
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not looked up on this page · why |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 4 | GERP 1.7, phastCons 1 |
| Overall | ||
| CADD | 9.181 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00176%
South Asian · 1/56,901 alleles
Overall
9.12e-05%
1/1,096,264 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
- CASK
- Protein
- p.Gln918=
- Coding
- c.2754G>A
- dbSNP
- rs2519651406
- Type
- single nucleotide variant
- Location
- chrX:41520447 (GRCh38)
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/cask-p-gln918 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown