rs4314963

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_201596.3(CACNB2):​c.1054+7C>A variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

CACNB2
NM_201596.3 splice_region, intron

Scores

2
Splicing: ADA: 0.00004690
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.332

Publications

10 publications found
Variant links:
Genes affected
CACNB2 (HGNC:1402): (calcium voltage-gated channel auxiliary subunit beta 2) This gene encodes a subunit of a voltage-dependent calcium channel protein that is a member of the voltage-gated calcium channel superfamily. The gene product was originally identified as an antigen target in Lambert-Eaton myasthenic syndrome, an autoimmune disorder. Mutations in this gene are associated with Brugada syndrome. Alternatively spliced variants encoding different isoforms have been described. [provided by RefSeq, Feb 2013]
CACNB2 Gene-Disease associations (from GenCC):
  • Brugada syndrome 4
    Inheritance: AD, Unknown Classification: LIMITED, NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics, Laboratory for Molecular Medicine
  • Brugada syndrome 1
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • hypertrophic cardiomyopathy
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • short QT syndrome
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.7).
BP6
Variant 10-18527704-C-A is Benign according to our data. Variant chr10-18527704-C-A is described in ClinVar as Likely_benign. ClinVar VariationId is 793775.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CACNB2NM_201596.3 linkc.1054+7C>A splice_region_variant, intron_variant Intron 10 of 13 ENST00000324631.13 NP_963890.2
CACNB2NM_201590.3 linkc.892+7C>A splice_region_variant, intron_variant Intron 9 of 12 ENST00000377329.10 NP_963884.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CACNB2ENST00000324631.13 linkc.1054+7C>A splice_region_variant, intron_variant Intron 10 of 13 1 NM_201596.3 ENSP00000320025.8
CACNB2ENST00000377329.10 linkc.892+7C>A splice_region_variant, intron_variant Intron 9 of 12 1 NM_201590.3 ENSP00000366546.4

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1414358
Hom.:
0
Cov.:
24
AF XY:
0.00
AC XY:
0
AN XY:
706672
African (AFR)
AF:
0.00
AC:
0
AN:
32526
American (AMR)
AF:
0.00
AC:
0
AN:
44648
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25810
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39526
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85452
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52338
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5684
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1069548
Other (OTH)
AF:
0.00
AC:
0
AN:
58826
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Brugada syndrome 4 Benign:1
Oct 25, 2018
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.70
CADD
Benign
12
DANN
Benign
0.67
PhyloP100
0.33

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000047
dbscSNV1_RF
Benign
0.0
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs4314963; hg19: chr10-18816633; API