DSCAM p.Asn429=
c.1287C>T · VCV4534252
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0468%, eas)
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 -1.3 | GERP -0.24 |
| Overall | ||
| CADD | 6.921 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0468%
East Asian · 21/44,844 alleles
Filtering AF
0.0313%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0263%
Overall
0.00731%
118/1,614,068 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.0468% | 2,135 |
| South Asian | 0.0351% | 2,846 |
| Remaining individualsnot grpmax-eligible | 0.024% | 4,167 |
| European (non-Finnish) | 0.00415% | 24,082 |
| Admixed American | 0.00167% | 60,026 |
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
- DSCAM
- Protein
- p.Asn429=
- Coding
- c.1287C>T
- MANE Select
- NM_001389
- Type
- single nucleotide variant
- Location
- chr21:40339339 (GRCh38)
- Gene constraint
- LOEUF 0.28 · pLI 1.00 · ClinGen HI 2/3 (gnomAD)
- Structure
- AlphaFold pLDDT 69.98 · 1 PDB
- Residue 429
- a disulfide bond; the ig-like c2-type 5 domain
Similar variants
- DSCAM p.Ser682Arg Uncertain significance ★★ ⚠ same type
- DSCAM c.5383+9T>A Benign ★★ same type
- DSCAM p.Ala153= Benign ★★ same type
- DSCAM p.Arg1798= Benign/Likely benign ★★ same type
- DSCAM p.Asn1250= Benign ★★ same type
- DSCAM p.Asn576= Benign/Likely benign ★★ same type
- DSCAM p.Asp185= Benign/Likely benign ★★ same type
- DSCAM p.Gln582= Benign ★★ 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/dscam-p-asn429 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown