CNNM2 p.Val346=
c.1038A>G · VCV4878136
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 8.47e-05%, nfe)
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 4.6 | GERP -3.4, phastCons 1 |
| Overall | ||
| CADD | 11.27 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
8.47e-05%
European (non-Finnish) · 1/1,180,028 alleles
Overall
6.85e-05%
1/1,460,748 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
- CNNM2
- Protein
- p.Val346=
- Coding
- c.1038A>G
- MANE Select
- NM_017649
- Type
- single nucleotide variant
- Location
- chr10:102919518 (GRCh38)
- Gene constraint
- LOEUF 0.312 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 71.70 · 7 PDB
- Residue 346
- the cnnm transmembrane domain
Similar variants
- CNNM2 p.Val346Ala Uncertain significance ★ ⚠ same residue
- CNNM2 p.Arg602Ter Likely pathogenic ★★ same type
- CNNM2 p.Asn327Ser Likely pathogenic ★★ same type
- CNNM2 p.Glu122Lys Pathogenic/Likely pathogenic ★★ same type
- CNNM2 p.Glu357Lys Pathogenic ★★ same type
- CNNM2 p.Ser269Trp Pathogenic/Likely pathogenic ★★ same type
- CNNM2 c.1904-6C>G Uncertain significance ★★ same type
- CNNM2 p.Ala44Val 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/cnnm2-p-val346 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown