CHRM2 p.Gly40=
c.120G>C · rs1269385852 · VCV2011799
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00017%, 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 1 | GERP -3.9, phastCons 1 |
| Overall | ||
| CADD | 6.463 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00017%
European (non-Finnish) · 2/1,179,532 alleles
Filtering AF
2.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.000137%
2/1,461,248 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
- CHRM2
- Protein
- p.Gly40=
- Coding
- c.120G>C
- MANE Select
- NM_001006630
- dbSNP
- rs1269385852
- Type
- single nucleotide variant
- Location
- chr7:137014985 (GRCh38)
- Gene constraint
- LOEUF 0.555 · pLI 0.92 (gnomAD)
- Structure
- AlphaFold pLDDT 72.87 · 17 PDB
- Residue 40
- an α-helix
Similar variants
- CHRM2 p.Ala265Val Uncertain significance ★★ ⚠ same type
- CHRM2 p.Arg52Cys Uncertain significance ★★ ⚠ same type
- CHRM2 p.Gln358His Uncertain significance ★★ ⚠ same type
- CHRM2 p.Glu305Gly Uncertain significance ★★ ⚠ same type
- CHRM2 p.Gly238Ala Uncertain significance ★★ ⚠ same type
- CHRM2 p.Gly254Val Uncertain significance ★★ ⚠ same type
- CHRM2 p.Gly277Glu Uncertain significance ★★ ⚠ same type
- CHRM2 p.Ile325Phe 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/chrm2-p-gly40 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown