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CHD4 p.Ala152=

c.456T>C · rs145095645 · VCV2897839

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0253%, afr)

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
ConservationphyloP 2.2GERP -0.45, phastCons 1
Overall
CADD8.677PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0253% African / African-American · 19/75,028 alleles
Filtering AF 0.0165% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0137%
Overall 0.00136% 22/1,614,118 alleles · ultra-rare exomes 9/1,461,872 · genomes 13/152,246 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0253% 3,949
Remaining individualsnot grpmax-eligible 0.0032% 31,255
South Asian 0.0011% 91,082

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
CHD4
Protein
p.Ala152=
Coding
c.456T>C
MANE Select
NM_001273
dbSNP
rs145095645
Type
single nucleotide variant
Location
chr12:6601749 (GRCh38)
Gene constraint
LOEUF 0.192 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
Structure
AlphaFold pLDDT 65.41 · 12 PDB
Residue 152
the 'disordered' region; an α-helix
Full CHD4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/chd4-p-ala152 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown