rs757915171
Variant summary
Our verdict is Uncertain significance. The variant received 1 ACMG points: 1P and 0B. PP3
The NM_005045.4(RELN):c.3086T>C(p.Ile1029Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000502 in 1,613,872 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I1029V) has been classified as Uncertain significance.
Frequency
Consequence
NM_005045.4 missense
Scores
Clinical Significance
Conservation
Publications
- lissencephaly with cerebellar hypoplasiaInheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
- Norman-Roberts syndromeInheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Illumina, Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet, G2P, PanelApp Australia
- familial temporal lobe epilepsy 7Inheritance: AD Classification: STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
- autosomal dominant epilepsy with auditory featuresInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- ankylosing spondylitisInheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
- complex neurodevelopmental disorderInheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
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ACMG classification
Our verdict: Uncertain_significance. The variant received 1 ACMG points.
Transcripts
RefSeq
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| RELN | ENST00000428762.6 | c.3086T>C | p.Ile1029Thr | missense_variant | Exon 23 of 65 | 5 | NM_005045.4 | ENSP00000392423.1 |
Frequencies
GnomAD3 genomes AF: 0.0000460 AC: 7AN: 152228Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.0000239 AC: 6AN: 250840 AF XY: 0.0000295 show subpopulations
GnomAD4 exome AF: 0.0000506 AC: 74AN: 1461644Hom.: 0 Cov.: 32 AF XY: 0.0000481 AC XY: 35AN XY: 727128 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000460 AC: 7AN: 152228Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74378 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not provided Uncertain:2
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Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -
Norman-Roberts syndrome;C4225327:Familial temporal lobe epilepsy 7 Uncertain:1Benign:1
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Inborn genetic diseases Uncertain:1
The c.3086T>C (p.I1029T) alteration is located in exon 23 (coding exon 23) of the RELN gene. This alteration results from a T to C substitution at nucleotide position 3086, causing the isoleucine (I) at amino acid position 1029 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -
Norman-Roberts syndrome Uncertain:1
This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at