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CAPN1 p.Ala444=

c.1332G>C · rs374582196 · VCV721903

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.101%, 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 -20GERP -3.7
Overall
CADD0.003PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.101% East Asian · 45/44,708 alleles
Filtering AF 0.0773% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0691%
Overall 0.00436% 70/1,607,260 alleles · rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.101% 994
Remaining individualsnot grpmax-eligible 0.0177% 5,653
European (non-Finnish) 0.00119% 83,980

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
CAPN1
Protein
p.Ala444=
Coding
c.1332G>C
MANE Select
NM_005186
dbSNP
rs374582196
Type
single nucleotide variant
Location
chr11:65204849 (GRCh38)
Gene constraint
LOEUF 0.977 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 90.03 · 5 PDB
Residue 444
the 'domain iii' region
Full CAPN1 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/capn1-p-ala444 (accessed [today's date]).

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