rs1470522542
Variant summary
Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate
The NM_005045.4(RELN):c.22C>T(p.Arg8Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000353 in 1,415,684 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R8Q) has been classified as Likely benign.
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 0 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD2 exomes AF: 0.00000496 AC: 1AN: 201534 AF XY: 0.00000887 show subpopulations
GnomAD4 exome AF: 0.00000353 AC: 5AN: 1415684Hom.: 0 Cov.: 32 AF XY: 0.00000427 AC XY: 3AN XY: 702998 show subpopulations
Age Distribution
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Norman-Roberts syndrome;C4225327:Familial temporal lobe epilepsy 7 Uncertain:1
In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The tryptophan amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. This variant has not been reported in the literature in individuals affected with RELN-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 8 of the RELN protein (p.Arg8Trp). -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at