CASP8AP2 p.His987Arg
c.2960A>G · VCV3263452
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0192%, 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 1.3 | GERP -1.6, phastCons 0.63 |
| Regional constraint | o/e 0.76 | unconstrained · MANE · 22 kb · p 7.8e-31 · regional, not allelic |
| Overall | ||
| CADD | 12.23 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0192%
African / African-American · 13/67,830 alleles
Filtering AF
0.0113%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0089%
Overall
0.00147%
20/1,362,378 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0192% | 5,218 |
| Remaining individualsnot grpmax-eligible | 0.00217% | 45,978 |
| European (non-Finnish) | 0.000589% | 169,894 |
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
- CASP8AP2
- Protein
- p.His987Arg
- Coding
- c.2960A>G
- MANE Select
- NM_001137667
- Type
- single nucleotide variant
- Location
- chr6:89866250 (GRCh38)
- Gene constraint
- LOEUF 0.209 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 44.28 · 4 PDB
- Residue 987
- the 'disordered' region
Similar variants
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- CASP8AP2 p.Ala1518Asp Uncertain significance ★ same type
- CASP8AP2 p.Ala1731Thr Uncertain significance ★ same type
- CASP8AP2 p.Ala1748Asp Uncertain significance ★ same type
- CASP8AP2 p.Ala1779Gly Uncertain significance ★ same type
- CASP8AP2 p.Ala1884Val Uncertain significance ★ same type
- CASP8AP2 p.Ala19Gly Uncertain significance ★ same type
- CASP8AP2 p.Ala453Val 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/casp8ap2-p-his987arg (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown