Is CAPN5 p.Ile452Val (c.1354A>G) pathogenic?

CAPN5 p.Ile452Val (c.1354A>G) is classified Uncertain significance in CAPN5 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-11-07). AlphaMissense: ambiguous (0.3628); Very rare (popmax 0.0011%, sas).

How common is CAPN5 p.Ile452Val (c.1354A>G) in the general population?

CAPN5 p.Ile452Val (c.1354A>G) is very rare (popmax 0.0011%, sas) (gnomAD).

What do computational predictors say about CAPN5 p.Ile452Val (c.1354A>G)?

AlphaMissense predicts ambiguous (score 0.3628) — an in-silico prediction, not a clinical call.

CAPN5 p.Ile452Val

c.1354A>G · rs2496308001 · VCV2776715

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.3628 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.0011%, sas)

Missense predictors

1/2 damaging

REVEL, SaProt · AlphaMissense no call

Computational evidence

Protein change
AlphaMissense	0.3628	ambiguous
REVEL	0.652	pathogenic-leaning
SaProt	LLR -8.64	tolerated
⇒ REVEL calls this damaging; SaProt does not; AlphaMissense makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 11	GERP 1.9, phastCons 1
Regional constraint	o/e 0.89	unconstrained · MANE · 39 kb · p 0.00098 · regional, not allelic
Overall
CADD	25.7	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0011% South Asian · 1/91,068 alleles

Overall 6.84e-05% 1/1,461,760 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: CAPN5
Protein: p.Ile452Val
Coding: c.1354A>G
MANE Select: NM_004055
dbSNP: rs2496308001
Type: single nucleotide variant
Location: chr11:77120776 (GRCh38)
Gene constraint: LOEUF 0.928 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 91.71 · 1 PDB
Residue 452: the 'domain iii' region

Full CAPN5 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CAPN5 p.Arg243Leu Pathogenic ★★ ⚠ same type
CAPN5 p.Arg289Trp Pathogenic ★★ ⚠ same type
CAPN5 p.Ala118Val Uncertain significance ★★ ⚠ same type
CAPN5 p.Ala183Ser Uncertain significance ★★ ⚠ same type
CAPN5 p.Ala185Val Uncertain significance ★★ ⚠ same type
CAPN5 p.Ala237Val Uncertain significance ★★ ⚠ same type
CAPN5 p.Ala245Val Uncertain significance ★★ ⚠ same type
CAPN5 p.Ala253Thr 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/capn5-p-ile452val (accessed [today's date]).

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