SMARCD2 p.Arg233=
c.697C>A · VCV3674489
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0165%, mid)
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 9.9 | GERP 1.4, phastCons 1 |
| Overall | ||
| CADD | 13.97 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0165%
Middle Eastern · 1/6,078 alleles
Filtering AF
0.00106%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000495%
Overall
0.000248%
4/1,613,412 alleles · ultra-rare
exomes 3/1,461,214 · genomes 1/152,198 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0165% | 6,078 |
| African / African-American | 0.00401% | 24,968 |
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
- SMARCD2
- Protein
- p.Arg233=
- Coding
- c.697C>A
- MANE Select
- NM_001098426
- Type
- single nucleotide variant
- Location
- chr17:63835438 (GRCh38)
- Gene constraint
- LOEUF 0.762 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 78.38
Similar variants
- SMARCD2 p.Arg233Gln Uncertain significance ★ ⚠ same residue
- SMARCD2 p.Arg192Ter Pathogenic/Likely pathogenic ★★ same type
- SMARCD2 c.922-3C>T Uncertain significance ★★ same type
- SMARCD2 p.Ala434Thr Uncertain significance ★★ ⚠ same type
- SMARCD2 p.Ala6Val Uncertain significance ★★ ⚠ same type
- SMARCD2 p.Arg118Cys Uncertain significance ★★ ⚠ same type
- SMARCD2 p.Arg148Gln Uncertain significance ★★ ⚠ same type
- SMARCD2 p.Arg150Trp 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/smarcd2-p-arg233 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown