Send feedback

RELN p.Cys1440=

c.4320T>C · rs1584308763 · VCV746156

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00167%, amr)
Conditions
2
Norman-Roberts syndrome

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 4GERP 0.75, phastCons 1
Overall
CADD7.773PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00167% Admixed American · 1/60,026 alleles
Overall 6.2e-05% 1/1,614,138 alleles · very rare exomes 1/1,461,798 · genomes 0/152,340 · 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
RELN
Protein
p.Cys1440=
Coding
c.4320T>C
MANE Select
NM_005045
dbSNP
rs1584308763
Type
single nucleotide variant
Location
chr7:103574283 (GRCh38)
Gene constraint
LOEUF 0.276 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
Residue 1440
the egf-like 3 domain
Full RELN 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/reln-p-cys1440 (accessed [today's date]).

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