rs772911828
Variant summary
Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4BP6BS2
The NM_201596.3(CACNB2):c.1874G>A(p.Arg625His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000992 in 1,613,602 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_201596.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -6 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
CACNB2 | ENST00000324631.13 | c.1874G>A | p.Arg625His | missense_variant | Exon 14 of 14 | 1 | NM_201596.3 | ENSP00000320025.8 | ||
CACNB2 | ENST00000377329.10 | c.1712G>A | p.Arg571His | missense_variant | Exon 13 of 13 | 1 | NM_201590.3 | ENSP00000366546.4 |
Frequencies
GnomAD3 genomes AF: 0.0000132 AC: 2AN: 151924Hom.: 0 Cov.: 30
GnomAD3 exomes AF: 0.0000358 AC: 9AN: 251108Hom.: 0 AF XY: 0.0000295 AC XY: 4AN XY: 135720
GnomAD4 exome AF: 0.00000958 AC: 14AN: 1461678Hom.: 0 Cov.: 35 AF XY: 0.00000688 AC XY: 5AN XY: 727120
GnomAD4 genome AF: 0.0000132 AC: 2AN: 151924Hom.: 0 Cov.: 30 AF XY: 0.0000270 AC XY: 2AN XY: 74174
ClinVar
Submissions by phenotype
Brugada syndrome 4 Uncertain:1
This sequence change replaces arginine with histidine at codon 571 of the CACNB2 protein (p.Arg571His). The arginine residue is highly conserved and there is a small physicochemical difference between arginine and histidine. This variant is present in population databases (rs772911828, ExAC 0.005%). This variant has not been reported in the literature in individuals with CACNB2-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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. -
Cardiovascular phenotype Benign:1
This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at