Send feedback

CASP8AP2 p.Val636Phe

c.1906G>T · VCV3263456

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00456%, eas)

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
ConservationphyloP 2.6GERP -1.5, phastCons 1
Regional constrainto/e 0.76unconstrained · MANE · 22 kb · p 7.8e-31 · regional, not allelic
Overall
CADD15.44PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00456% East Asian · 1/21,946 alleles
Filtering AF 0.000648% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000243%
Overall 0.000579% 7/1,208,196 alleles · very rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.00456% 21,946
Admixed American 0.00391% 25,572
South Asian 0.00115% 86,648
European (non-Finnish) 0.000294% 339,675

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.Val636Phe
Coding
c.1906G>T
MANE Select
NM_001137667
Type
single nucleotide variant
Location
chr6:89863615 (GRCh38)
Gene constraint
LOEUF 0.209 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 44.28 · 4 PDB
Full CASP8AP2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-val636phe (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown