rs1410924735

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate

The NM_001005242.3(PKP2):​c.2168-10C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000126 in 1,271,954 control chromosomes in the GnomAD database, with no homozygous occurrence. There is a variant allele frequency bias in the population database for this variant (GnomAdExome4), which may indicate mosaicism or somatic mutations in the reference population data. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000056 ( 0 hom., cov: 31)
Exomes 𝑓: 0.00013 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

PKP2
NM_001005242.3 intron

Scores

2
Splicing: ADA: 0.00001853
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.229

Publications

0 publications found
Variant links:
Genes affected
PKP2 (HGNC:9024): (plakophilin 2) This gene encodes a member of the arm-repeat (armadillo) and plakophilin gene families. Plakophilin proteins contain numerous armadillo repeats, localize to cell desmosomes and nuclei, and participate in linking cadherins to intermediate filaments in the cytoskeleton. This gene may regulate the signaling activity of beta-catenin and is required to maintain transcription of genes that control intracellular calcium cycling including ryanodine receptor 2, ankyrin-B, triadin, and calcium channel, voltage-dependent, L type, alpha 1C. Mutations in this gene are associated with different inherited cardiac conditions including Arrythmogenic Cardiomyopathy, Brugada Syndrome, and Idiopathic Ventricular Fibrillation. A processed pseudogene with high similarity to this gene has been mapped to chromosome 12p13. [provided by RefSeq, May 2022]
PKP2 Gene-Disease associations (from GenCC):
  • arrhythmogenic right ventricular cardiomyopathy
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • arrhythmogenic right ventricular dysplasia 9
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
  • left ventricular noncompaction
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Brugada syndrome
    Inheritance: AD Classification: LIMITED Submitted by: Genomics England PanelApp
  • Brugada syndrome 1
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • catecholaminergic polymorphic ventricular tachycardia
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • dilated cardiomyopathy
    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 -6 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.66).
BP6
Variant 12-32796308-G-A is Benign according to our data. Variant chr12-32796308-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 464424.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PKP2NM_001005242.3 linkc.2168-10C>T intron_variant Intron 10 of 12 ENST00000340811.9 NP_001005242.2 Q99959-2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PKP2ENST00000340811.9 linkc.2168-10C>T intron_variant Intron 10 of 12 1 NM_001005242.3 ENSP00000342800.5 Q99959-2

Frequencies

GnomAD3 genomes
AF:
0.0000558
AC:
8
AN:
143384
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000257
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000453
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000458
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.000126
AC:
160
AN:
1271954
Hom.:
0
Cov.:
29
AF XY:
0.000125
AC XY:
79
AN XY:
633982
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.000898
AC:
25
AN:
27830
American (AMR)
AF:
0.000919
AC:
34
AN:
36992
Ashkenazi Jewish (ASJ)
AF:
0.000224
AC:
5
AN:
22346
East Asian (EAS)
AF:
0.00
AC:
0
AN:
34072
South Asian (SAS)
AF:
0.000120
AC:
9
AN:
74714
European-Finnish (FIN)
AF:
0.0000210
AC:
1
AN:
47598
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5134
European-Non Finnish (NFE)
AF:
0.0000741
AC:
72
AN:
971408
Other (OTH)
AF:
0.000270
AC:
14
AN:
51860
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.275
Heterozygous variant carriers
0
15
31
46
62
77
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.0000558
AC:
8
AN:
143384
Hom.:
0
Cov.:
31
AF XY:
0.0000144
AC XY:
1
AN XY:
69528
show subpopulations
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000257
AC:
1
AN:
38868
American (AMR)
AF:
0.00
AC:
0
AN:
14544
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3364
East Asian (EAS)
AF:
0.00
AC:
0
AN:
4716
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4482
European-Finnish (FIN)
AF:
0.000453
AC:
4
AN:
8836
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
300
European-Non Finnish (NFE)
AF:
0.0000458
AC:
3
AN:
65440
Other (OTH)
AF:
0.00
AC:
0
AN:
1974
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.275
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000874
Hom.:
0

ClinVar

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

Submissions by phenotype

Arrhythmogenic right ventricular dysplasia 9 Benign:1
Oct 29, 2017
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
-0.66
CADD
Benign
7.5
DANN
Benign
0.72
PhyloP100
-0.23

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000019
dbscSNV1_RF
Benign
0.0080
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: rs1410924735; hg19: chr12-32949242; COSMIC: COSV50732586; COSMIC: COSV50732586; API