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CALM1 p.Arg91Gln

c.272G>A · VCV3903346

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 8.56e-05%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.52indeterminate
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 12GERP -0.24, phastCons 1
Regional constrainto/e 0.13constrained · MANE · 7,483 bp · p 2.4e-32 · regional, not allelic
Overall
CADD32.0PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 8.56e-05% European (non-Finnish) · 1/1,167,970 alleles
Overall 6.9e-05% 1/1,448,468 alleles · very rare

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
CALM1
Protein
p.Arg91Gln
Coding
c.272G>A
MANE Select
NM_006888
Type
single nucleotide variant
Location
chr14:90403955 (GRCh38)
Gene constraint
LOEUF 0.276 · pLI 0.99 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 85.22 · 351 PDB
Residue 91
the ef-hand 3 domain; an α-helix; the 'necessary and sufficient for interaction with pcp4' region
Full CALM1 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/calm1-p-arg91gln (accessed [today's date]).

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