CLASP2 p.Tyr88Cys
c.263A>G · rs371839059 · VCV2516899
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0166%, mid)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.256 | benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 3.4 | GERP 1.4, phastCons 1 |
| Regional constraint | o/e 1.02 | unconstrained · MANE · 73 kb · p 0.71 · regional, not allelic |
| Overall | ||
| CADD | 24.9 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0166%
Middle Eastern · 1/6,026 alleles
Filtering AF
0.00627%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0047%
Overall
0.00258%
41/1,587,942 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0166% | 6,026 |
| African / African-American | 0.0121% | 8,271 |
| Remaining individualsnot grpmax-eligible | 0.00487% | 20,517 |
| East Asian | 0.00452% | 22,132 |
| Admixed American | 0.00348% | 28,740 |
| South Asian | 0.00229% | 43,734 |
| European (non-Finnish) | 0.00189% | 52,900 |
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
- CLASP2
- Protein
- p.Tyr88Cys
- Coding
- c.263A>G
- MANE Select
- NM_001365631
- dbSNP
- rs371839059
- Type
- single nucleotide variant
- Location
- chr3:33696866 (GRCh38)
- Gene constraint
- LOEUF 0.365 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 66.98 · 7 PDB
- Residue 88
- the 'tog 1' region; an α-helix
Similar variants
- CLASP2 c.1949-9C>T Benign ★★ same type
- CLASP2 p.Gly57= Benign ★★ same type
- CLASP2 p.Ser544= Benign ★★ same type
- CLASP2 c.2068+1G>A Uncertain significance ★ same type
- CLASP2 c.2455-1137A>C Uncertain significance ★ same type
- CLASP2 p.Ala1209Gly Uncertain significance ★ ⚠ same type
- CLASP2 p.Ala1251Pro Uncertain significance ★ ⚠ same type
- CLASP2 p.Ala1402Val 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/clasp2-p-tyr88cys (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown