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CHRNG p.Pro364=

c.1092G>A · rs144846001 · VCV2867042

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0586%, 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 -5.6GERP -3.5
Overall
CADD0.153PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0586% African / African-American · 44/75,062 alleles
Filtering AF 0.0448% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.04%
Overall 0.00477% 77/1,613,608 alleles · ultra-rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0586% 1,706
Admixed American 0.0117% 8,576
Remaining individualsnot grpmax-eligible 0.0032% 31,252
East Asian 0.00223% 44,866
European (non-Finnish) 0.00186% 53,636
Finnishnot grpmax-eligible 0.00158% 63,484

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
CHRNG
Protein
p.Pro364=
Coding
c.1092G>A
MANE Select
NM_005199
dbSNP
rs144846001
Type
single nucleotide variant
Location
chr2:232544423 (GRCh38)
Gene constraint
LOEUF 1.286 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 81.91
Full CHRNG 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/chrng-p-pro364 (accessed [today's date]).

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