CHD8 p.Ser2018=
c.6054T>C · rs61752836 · VCV589557
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 5 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0657%, mid)
Conditions
1
Inborn genetic diseases
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 8.1 | GERP 2.3, phastCons 1 |
| Overall | ||
| CADD | 11.1 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0657%
Middle Eastern · 4/6,084 alleles
Filtering AF
0.0408%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0395%
Overall
0.0366%
590/1,613,702 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0657% | 1,521 |
| Admixed American | 0.055% | 1,817 |
| European (non-Finnish) | 0.0439% | 2,278 |
| Remaining individualsnot grpmax-eligible | 0.032% | 3,123 |
| African / African-American | 0.0134% | 7,489 |
| Finnishnot grpmax-eligible | 0.00625% | 15,998 |
| Ashkenazi Jewishnot grpmax-eligible | 0.00338% | 29,598 |
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
- CHD8
- Protein
- p.Ser2018=
- Coding
- c.6054T>C
- MANE Select
- NM_001170629
- dbSNP
- rs61752836
- Type
- single nucleotide variant
- Location
- chr14:21393741 (GRCh38)
- Gene constraint
- LOEUF 0.154 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 55.17 · 2 PDB
- Residue 2018
- the 'interaction with fam124b' region; the 'disordered' region
Similar variants
- CHD8 c.3882+1G>A Pathogenic/Likely pathogenic ★★ same condition
- CHD8 p.Arg1462Ter Pathogenic ★★ same condition
- CHD8 p.Arg1582Ter Pathogenic/Likely pathogenic ★★ same condition
- CHD8 p.Arg2217Ter Pathogenic ★★ same condition
- CHD8 p.Arg243Ter Pathogenic ★★ same condition
- CHD8 c.4921+4C>T Uncertain significance ★★ same condition
- CHD8 c.-1G>A Uncertain significance ★★ same condition
- CHD8 p.Ala1960Thr Uncertain significance ★★ ⚠ same condition
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/chd8-p-ser2018 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown