CHUK p.Ser495=
c.1485C>T · rs374991603 · VCV1566471
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.028%, afr)
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 | ||
| Conservation | phyloP 0.61 | GERP -3.7, phastCons 0.87 |
| Overall | ||
| CADD | 3.731 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.028%
African / African-American · 21/74,890 alleles
Filtering AF
0.0188%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0157%
Overall
0.00198%
32/1,613,346 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.028% | 3,566 |
| Admixed American | 0.00667% | 14,997 |
| South Asian | 0.0022% | 45,531 |
| European (non-Finnish) | 0.000424% | 235,928 |
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
- CHUK
- Protein
- p.Ser495=
- Coding
- c.1485C>T
- MANE Select
- NM_001278
- dbSNP
- rs374991603
- Type
- single nucleotide variant
- Location
- chr10:100204528 (GRCh38)
- Gene constraint
- LOEUF 0.61 · pLI 0.39 (gnomAD)
- Structure
- AlphaFold pLDDT 84.41 · 5 PDB
Similar variants
- CHUK p.Arg365Gln Uncertain significance ★★ ⚠ same type
- CHUK p.Arg424Cys Uncertain significance ★★ ⚠ same type
- CHUK p.Arg563Cys Uncertain significance ★★ ⚠ same type
- CHUK p.Arg563His Uncertain significance ★★ ⚠ same type
- CHUK p.Gln226Pro Uncertain significance ★★ ⚠ same type
- CHUK p.Gly346Arg Uncertain significance ★★ ⚠ same type
- CHUK p.His520Arg Uncertain significance ★★ ⚠ same type
- CHUK p.Lys512Arg Uncertain significance ★★ ⚠ same type
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/chuk-p-ser495 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown