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CHCHD6 p.Val193=

c.579G>A · rs75184196 · VCV783402

Benign Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Common
common (popmax 7.85%, afr) — too common for a highly-penetrant pathogenic allele

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP 0.91GERP -3.7, phastCons 0.3
Overall
CADD4.524PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 7.85% African / African-American · 5,882/74,924 alleles
Filtering AF 7.68% ClinGen BA1/BS1 input FAF95, joint · FAF99 7.61%
Overall 0.426% 6,865/1,611,352 alleles · common exomes 3,435/1,459,114 · genomes 3,430/152,238 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 7.85% 13
Admixed American 0.681% 147
Remaining individualsnot grpmax-eligible 0.63% 159
Middle Eastern 0.526% 190
South Asian 0.0155% 6,458
European (non-Finnish) 0.0115% 8,671
Ashkenazi Jewishnot grpmax-eligible 0.00338% 29,558
East Asian 0.00223% 44,762

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
CHCHD6
Protein
p.Val193=
Coding
c.579G>A
MANE Select
NM_032343
dbSNP
rs75184196
Type
single nucleotide variant
Location
chr3:126957428 (GRCh38)
Gene constraint
LOEUF 1.211 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 80.29
Full CHCHD6 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/chchd6-p-val193 (accessed [today's date]).

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