GRIN2D p.Ala280=
c.840T>C · rs771698080 · VCV2994451
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00205%, nfe)
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 -2.4 | GERP -2.6 |
| Overall | ||
| CADD | 7.438 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00205%
European (non-Finnish) · 24/1,168,892 alleles
Filtering AF
0.00139%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00117%
Overall
0.00157%
25/1,591,636 alleles · very rare
exomes 23/1,439,414 · genomes 2/152,222 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.00205% | 48,704 |
| Remaining individualsnot grpmax-eligible | 0.00163% | 61,404 |
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.Ala280=
- Coding
- c.840T>C
- MANE Select
- NM_000836
- dbSNP
- rs771698080
- Type
- single nucleotide variant
- Location
- chr19:48405108 (GRCh38)
- Gene constraint
- LOEUF 0.642 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 64.00 · 13 PDB
Similar variants
- GRIN2D p.Ala280Thr 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-ala280 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown