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DSCAM p.Ser7=

c.21C>T · rs1601341300 · VCV746773

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000292%, 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
ConservationphyloP 8GERP -0.78, phastCons 1
Overall
CADD14.68PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000292% European (non-Finnish) · 3/1,026,394 alleles
Filtering AF 7.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 2.2e-05%
Overall 0.000229% 3/1,309,302 alleles · very rare exomes 3/1,176,022 · genomes 0/133,280 · 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
DSCAM
Protein
p.Ser7=
Coding
c.21C>T
MANE Select
NM_001389
dbSNP
rs1601341300
Type
single nucleotide variant
Location
chr21:40846641 (GRCh38)
Gene constraint
LOEUF 0.28 · pLI 1.00 · ClinGen HI 2/3 (gnomAD)
Structure
AlphaFold pLDDT 69.98 · 1 PDB
Full DSCAM gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-ser7 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown