GRID2 p.Ala743=
c.2229A>C · rs1578428860 · VCV732012
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00167%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 1 | GERP -1.4, phastCons 0.99 |
| Overall | ||
| CADD | 8.259 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00167%
Admixed American · 1/59,710 alleles
Overall
6.24e-05%
1/1,602,980 alleles · very rare
exomes 0/1,450,788 · genomes 1/152,192 · joint denominator
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
- GRID2
- Protein
- p.Ala743=
- Coding
- c.2229A>C
- MANE Select
- NM_001510
- dbSNP
- rs1578428860
- Type
- single nucleotide variant
- Location
- chr4:93626304 (GRCh38)
- Gene constraint
- LOEUF 0.332 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 76.07 · 6 PDB
Similar variants
- GRID2 p.Ala743Thr Uncertain significance ★ ⚠ same residue
- GRID2 p.Ala654Thr Pathogenic/Likely pathogenic ★★ same type
- GRID2 p.Thr649Ala Pathogenic/Likely pathogenic ★★ same type
- GRID2 p.Ala196Glu Uncertain significance ★★ ⚠ same type
- GRID2 p.Ala21Val Uncertain significance ★★ ⚠ same type
- GRID2 p.Ala574Ser Uncertain significance ★★ ⚠ same type
- GRID2 p.Arg229Gln Uncertain significance ★★ ⚠ same type
- GRID2 p.Arg297Gln Uncertain significance ★★ ⚠ same type
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/grid2-p-ala743 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown