NSD2 p.Val226=
c.678G>A · VCV4740048
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/SpliceAI carries the signal. | ||
| Splicing | ||
| SpliceAI | Δ0.22 | donor gain · deltas |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 2 | GERP -1.8, phastCons 1 |
| Overall | ||
| CADD | 8.854 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00167%
Admixed American · 1/60,008 alleles
Overall
6.2e-05%
1/1,614,066 alleles · very rare
exomes 0/1,461,856 · genomes 1/152,210 · 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
- NSD2
- Protein
- p.Val226=
- Coding
- c.678G>A
- MANE Select
- NM_001042424
- Type
- single nucleotide variant
- Location
- chr4:1904296 (GRCh38)
- Gene constraint
- LOEUF 0.139 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 66.22 · 24 PDB
- Residue 226
- the pwwp 1 domain; a β-strand
Similar variants
- NSD2 p.Val226Leu Uncertain significance ★ ⚠ same residue
- NSD2 p.Arg450Ter Likely pathogenic ★★ same type
- NSD2 p.Arg755Ter Pathogenic/Likely pathogenic ★★ same type
- NSD2 p.Arg935Ter Pathogenic ★★ same type
- NSD2 p.Pro895Leu Pathogenic ★★ same type
- NSD2 p.Ala320Thr Uncertain significance ★★ ⚠ same type
- NSD2 p.Ala383Gly Uncertain significance ★★ ⚠ same type
- NSD2 p.Ala693Asp 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/nsd2-p-val226 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown