CYLD p.Glu259=
c.777A>G · rs748510262 · VCV2646514
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.033%, mid)
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 1.1 | GERP 1.1, phastCons 1 |
| Overall | ||
| CADD | 7.756 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.033%
Middle Eastern · 2/6,062 alleles
Filtering AF
0.00582%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00242%
Overall
0.000744%
12/1,612,100 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.033% | 3,031 |
| Remaining individualsnot grpmax-eligible | 0.0032% | 31,202 |
| European (non-Finnish) | 0.000679% | 147,383 |
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
- CYLD
- Protein
- p.Glu259=
- Coding
- c.777A>G
- MANE Select
- NM_001378743
- dbSNP
- rs748510262
- Type
- single nucleotide variant
- Location
- chr16:50751876 (GRCh38)
- Gene constraint
- LOEUF 0.325 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 75.06 · 6 PDB
- Residue 259
- the cap-gly 2 domain; the 'interaction with trip' region; a turn
Similar variants
- CYLD p.Arg235Ter Pathogenic/Likely pathogenic ★★ same type
- CYLD p.Arg758Ter Pathogenic ★★ same type
- CYLD p.Arg936Ter Pathogenic/Likely pathogenic ★★ same type
- CYLD p.Lys767Ter Pathogenic ★★ same type
- CYLD p.Ser371Ter Pathogenic ★★ same type
- CYLD p.Ser839Ter Pathogenic/Likely pathogenic ★★ same type
- CYLD p.Trp847Ter Pathogenic ★★ same type
- CYLD c.*3229C>T 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/cyld-p-glu259 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown