NM_001005242.3(PKP2):c.1231G>T (p.Val411Phe) AND Arrhythmogenic right ventricular dysplasia 9

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jan 30, 2021
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV002015461.5

Allele description [Variation Report for NM_001005242.3(PKP2):c.1231G>T (p.Val411Phe)]

NM_001005242.3(PKP2):c.1231G>T (p.Val411Phe)

Gene:

PKP2:plakophilin 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

12p11.21

Genomic location:

Preferred name:

NM_001005242.3(PKP2):c.1231G>T (p.Val411Phe)

HGVS:

NC_000012.12:g.32850913C>A
NG_009000.1:g.50934G>T
NM_001005242.3:c.1231G>TMANE SELECT
NM_004572.4:c.1231G>T
NP_001005242.2:p.Val411Phe
NP_004563.2:p.Val411Phe
LRG_398:g.50934G>T
NC_000012.11:g.33003847C>A

Protein change:

V411F

Links:

dbSNP: rs192041220

NCBI 1000 Genomes Browser:

rs192041220

Molecular consequence:

NM_001005242.3:c.1231G>T - missense variant - [Sequence Ontology: SO:0001583]
NM_004572.4:c.1231G>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Arrhythmogenic right ventricular dysplasia 9 (ARVD9)
Synonyms:: ARRHYTHMOGENIC RIGHT VENTRICULAR DYSPLASIA, FAMILIAL, 9; Arrhythmogenic right ventricular cardiomyopathy, type 9; Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy 9
Identifiers:: MONDO: MONDO:0012180; MedGen: C1836906; OMIM: 609040

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002284319	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 30, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002284319

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 30, 2021)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Invitae, SCV002284319.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change replaces valine with phenylalanine at codon 411 of the PKP2 protein (p.Val411Phe). The valine residue is moderately conserved and there is a small physicochemical difference between valine and phenylalanine. This variant is not present in population databases (ExAC no frequency). 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with PKP2-related conditions.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Mar 5, 2024

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