CNNM4 p.Gly6=
c.18G>A · rs2078754922 · VCV1632940
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0376%, sas)
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 7.3 | GERP 1, phastCons 1 |
| Overall | ||
| CADD | 12.69 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0376%
South Asian · 9/23,946 alleles
Filtering AF
0.0196%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0146%
Overall
0.00126%
13/1,034,906 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0376% | 2,661 |
| European (non-Finnish) | 0.000418% | 239,113 |
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
- CNNM4
- Protein
- p.Gly6=
- Coding
- c.18G>A
- MANE Select
- NM_020184
- dbSNP
- rs2078754922
- Type
- single nucleotide variant
- Location
- chr2:96761017 (GRCh38)
- Gene constraint
- LOEUF 0.794 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 77.20 · 6 PDB
Similar variants
- CNNM4 p.Arg519Ter Pathogenic ★★ same type
- CNNM4 p.Arg605Ter Pathogenic ★★ same type
- CNNM4 p.Gln564Ter Pathogenic ★★ same type
- CNNM4 p.Gln717Ter Pathogenic/Likely pathogenic ★★ same type
- CNNM4 c.2130+5G>A Uncertain significance ★★ same type
- CNNM4 c.*1126G>A Uncertain significance ★★ same type
- CNNM4 p.Ala297Gly Uncertain significance ★★ ⚠ same type
- CNNM4 p.Ala35Thr 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/cnnm4-p-gly6 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown