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GNB5 p.Ser298=

c.894A>G · VCV4925076

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00891%, eas)

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 -12GERP -4.2
Overall
CADD1.463PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00891% East Asian · 4/44,870 alleles
Filtering AF 0.00298% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0018%
Overall 0.000372% 6/1,611,200 alleles · very rare exomes 6/1,458,862 · genomes 0/152,338 · joint denominator
Ancestry group Frequency 1 in
East Asiangrpmax 0.00891% 11,218
European (non-Finnish) 0.00017% 588,654

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
GNB5
Protein
p.Ser298=
Coding
c.894A>G
MANE Select
NM_016194
Type
single nucleotide variant
Location
chr15:52128214 (GRCh38)
Gene constraint
LOEUF 1.155 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 93.92 · 37 PDB
Residue 298
a β-strand
Full GNB5 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/gnb5-p-ser298 (accessed [today's date]).

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