GRIN2D p.Ala64=
c.192C>G · rs1023614014 · VCV1603527
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0372%, nfe)
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 | ||
| Conservation | phyloP -0.41 | GERP -1.7, phastCons 0.094 |
| Overall | ||
| CADD | 10.13 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0372%
European (non-Finnish) · 360/966,760 alleles
Filtering AF
0.034%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0327%
Overall
0.0311%
372/1,197,818 alleles · ultra-rare
exomes 360/1,048,606 · genomes 12/149,212 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.0372% | 2,685 |
| Remaining individualsnot grpmax-eligible | 0.0116% | 8,613 |
| Admixed American | 0.009% | 11,105 |
| African / African-American | 0.00639% | 15,650 |
| Finnishnot grpmax-eligible | 0.00335% | 29,824 |
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
- GRIN2D
- Protein
- p.Ala64=
- Coding
- c.192C>G
- MANE Select
- NM_000836
- dbSNP
- rs1023614014
- Type
- single nucleotide variant
- Location
- chr19:48398584 (GRCh38)
- Gene constraint
- LOEUF 0.642 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 64.00 · 13 PDB
- Residue 64
- an α-helix
Similar variants
- GRIN2D p.Ala64Val Uncertain significance ★ ⚠ same residue
- GRIN2D p.Met681Val Pathogenic/Likely pathogenic ★★ same type
- GRIN2D p.Val667Ile Pathogenic/Likely pathogenic ★★ same type
- GRIN2D p.Ala1032Val Uncertain significance ★★ ⚠ same type
- GRIN2D p.Ala1040Thr Uncertain significance ★★ ⚠ same type
- GRIN2D p.Ala1085Thr Uncertain significance ★★ ⚠ same type
- GRIN2D p.Ala1135Thr Uncertain significance ★★ ⚠ same type
- GRIN2D p.Ala1177Thr 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/grin2d-p-ala64 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown