CHM p.Ser636=
c.1908G>A · rs1482216707 · VCV1100140
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00707%, 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 -0.12 | GERP -2.2, phastCons 0.079 |
| Overall | ||
| CADD | 1.774 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00707%
South Asian · 4/56,601 alleles
Filtering AF
0.00235%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00141%
Overall
0.00146%
16/1,096,491 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00707% | 14,150 |
| European (non-Finnish) | 0.00134% | 74,542 |
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.Ser636=
- Coding
- c.1908G>A
- MANE Select
- NM_000390
- dbSNP
- rs1482216707
- Type
- single nucleotide variant
- Location
- chrX:85864684 (GRCh38)
- Structure
- AlphaFold pLDDT 81.05
- Residue 636
- the 'disordered' region
Similar variants
- CHM p.Ser636Leu Uncertain significance ★ ⚠ 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-ser636 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown