Is RELN p.Arg1867= (c.5599A>C) pathogenic?

RELN p.Arg1867= (c.5599A>C) is classified Conflicting classifications of pathogenicity in RELN (ClinVar, Conflicting submitters, 4 submitters; last evaluated 2025-09-20). Ultra-rare (popmax 0.0117%, amr); Associated with Norman-Roberts syndrome.

What condition is associated with RELN p.Arg1867= (c.5599A>C)?

RELN p.Arg1867= (c.5599A>C) is associated with Norman-Roberts syndrome, familial temporal lobe epilepsy 7 (ClinVar).

How common is RELN p.Arg1867= (c.5599A>C) in the general population?

RELN p.Arg1867= (c.5599A>C) is ultra-rare (popmax 0.0117%, amr) (gnomAD).

RELN p.Arg1867=

c.5599A>C · rs753376558 · VCV358394

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 4 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0117%, amr)

Conditions

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
Conservation	phyloP 0.51	GERP -3.6, phastCons 0.99
Overall
CADD	5.079	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0117% Admixed American · 7/59,618 alleles

Filtering AF 0.00547% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.004%

Overall 0.00491% 68/1,383,768 alleles · ultra-rare exomes 62/1,231,540 · genomes 6/152,228 · joint denominator

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0117%	8,517
European (non-Finnish)	0.00567%	17,643
African / African-American	0.00567%	17,650
Remaining individualsnot grpmax-eligible	0.00366%	27,357

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.Arg1867=
Coding: c.5599A>C
MANE Select: NM_005045
dbSNP: rs753376558
Type: single nucleotide variant
Location: chr7:103557980 (GRCh38)
Gene constraint: LOEUF 0.276 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)

Full RELN gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Norman-Roberts syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: familial temporal lobe epilepsy 7

Similar variants

RELN p.Arg1867Thr Uncertain significance ★ same residue
RELN c.3912+2T>G Likely pathogenic ★★ same condition
RELN c.7349+2T>C Likely pathogenic ★★ same condition
RELN p.Arg1622Ter Pathogenic/Likely pathogenic ★★ same condition
RELN c.1893-3C>T Uncertain significance ★★ same condition
RELN c.227-3C>T Uncertain significance ★★ same condition
RELN c.2465+5G>T Uncertain significance ★★ same condition
RELN c.6072+3A>G Uncertain significance ★★ same condition

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-arg1867 (accessed [today's date]).

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