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GNB2 p.Asp212=

c.636C>T · VCV4821097

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.045%, amr)

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 -11GERP -10
Overall
CADD1.73PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.045% Admixed American · 27/60,032 alleles
Filtering AF 0.0317% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0273%
Overall 0.00644% 104/1,613,992 alleles · ultra-rare exomes 84/1,461,724 · genomes 20/152,268 · joint denominator
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.045% 2,223
Middle Eastern 0.0165% 6,062
Finnishnot grpmax-eligible 0.0156% 6,396
Remaining individualsnot grpmax-eligible 0.0096% 10,417
European (non-Finnish) 0.00458% 21,851
South Asian 0.00439% 22,769
East Asian 0.00223% 44,872
African / African-American 0.00133% 75,044

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
GNB2
Protein
p.Asp212=
Coding
c.636C>T
MANE Select
NM_005273
Type
single nucleotide variant
Location
chr7:100678236 (GRCh38)
Gene constraint
LOEUF 0.372 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 96.89 · 1 PDB
Full GNB2 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/gnb2-p-asp212 (accessed [today's date]).

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