CHD3 p.Ala1877=
c.5631G>A · rs369541480 · VCV2647437
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00935%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.025 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -0.24 | GERP -2.2, phastCons 0.011 |
| Overall | ||
| CADD | 11.84 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00935%
African / African-American · 7/74,862 alleles
Filtering AF
0.00538%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00498%
Overall
0.00564%
91/1,613,888 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00935% | 10,695 |
| European (non-Finnish) | 0.00661% | 15,128 |
| Admixed American | 0.00333% | 29,994 |
| East Asian | 0.00223% | 44,878 |
| South Asian | 0.0022% | 45,541 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,486 |
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
- CHD3
- Protein
- p.Ala1877=
- Coding
- c.5631G>A
- MANE Select
- NM_001005273
- dbSNP
- rs369541480
- Type
- single nucleotide variant
- Location
- chr17:7910468 (GRCh38)
- Gene constraint
- LOEUF 0.257 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 63.21
- Residue 1877
- the 'required for interaction with pcnt' region; a UniProt-annotated variant site (in snibcps)
Similar variants
- CHD3 p.Ala1877Val Uncertain significance ★ ⚠ same residue
- CHD3 c.4073-2A>C Likely pathogenic ★★ same type
- CHD3 p.Arg103Ter Pathogenic ★★ same type
- CHD3 p.Arg1078Gln Pathogenic/Likely pathogenic ★★ same type
- CHD3 p.Arg1121Pro Pathogenic/Likely pathogenic ★★ same type
- CHD3 p.Arg1169Gln Pathogenic/Likely pathogenic ★★ same type
- CHD3 p.Arg1169Pro Pathogenic/Likely pathogenic ★★ same type
- CHD3 p.Arg1169Trp 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/chd3-p-ala1877 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown