CHM p.Ser495=
c.1485A>G · rs771944150 · VCV1167819
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0458%, 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 0.28 | GERP -0.88, phastCons 1 |
| Overall | ||
| CADD | 8.877 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0458%
South Asian · 26/56,739 alleles
Filtering AF
0.0321%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0274%
Overall
0.00224%
27/1,207,633 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0458% | 2,182 |
| Remaining individualsnot grpmax-eligible | 0.0021% | 47,515 |
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
- CHM
- Protein
- p.Ser495=
- Coding
- c.1485A>G
- MANE Select
- NM_000390
- dbSNP
- rs771944150
- Type
- single nucleotide variant
- Location
- chrX:85894213 (GRCh38)
- Structure
- AlphaFold pLDDT 81.05
Similar variants
- CHM p.Ser495Ter Pathogenic ★★ same residue
- CHM c.116+1G>A Pathogenic/Likely pathogenic ★★ same type
- CHM c.116+1G>T Pathogenic/Likely pathogenic ★★ same type
- CHM c.1166+1G>A Pathogenic ★★ same type
- CHM c.1166+1G>C Pathogenic ★★ same type
- CHM c.1167-2A>G Pathogenic ★★ same type
- CHM c.1244+1G>A Pathogenic ★★ same type
- CHM c.1244+2T>A Pathogenic/Likely pathogenic ★★ 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/chm-p-ser495 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown