NM_016203.4(PRKAG2):c.1366C>G (p.Arg456Gly) AND Cardiomyopathy

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 8, 2019
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:: RCV001178599.3

Allele description [Variation Report for NM_016203.4(PRKAG2):c.1366C>G (p.Arg456Gly)]

NM_016203.4(PRKAG2):c.1366C>G (p.Arg456Gly)

Gene:

PRKAG2:protein kinase AMP-activated non-catalytic subunit gamma 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

7q36.1

Genomic location:

Preferred name:

NM_016203.4(PRKAG2):c.1366C>G (p.Arg456Gly)

HGVS:

NC_000007.14:g.151565753G>C
NG_007486.2:g.316479C>G
NM_001040633.2:c.1234C>G
NM_001304527.2:c.991C>G
NM_001304531.2:c.643C>G
NM_001363698.2:c.994C>G
NM_016203.4:c.1366C>GMANE SELECT
NM_024429.2:c.643C>G
NP_001035723.1:p.Arg412Gly
NP_001291456.1:p.Arg331Gly
NP_001291460.1:p.Arg215Gly
NP_001350627.1:p.Arg332Gly
NP_057287.2:p.Arg456Gly
NP_077747.1:p.Arg215Gly
LRG_430t1:c.1366C>G
LRG_430:g.316479C>G
LRG_430p1:p.Arg456Gly
NC_000007.13:g.151262839G>C
NC_000007.13:g.151262839G>C
NG_007486.1:g.316478C>G
NM_016203.3:c.1366C>G

Protein change:

R215G

Links:

dbSNP: rs779098740

NCBI 1000 Genomes Browser:

rs779098740

Molecular consequence:

NM_001040633.2:c.1234C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001304527.2:c.991C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001304531.2:c.643C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001363698.2:c.994C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_016203.4:c.1366C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_024429.2:c.643C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Cardiomyopathy (CMYO)
Synonyms:: Cardiomyopathies
Identifiers:: MONDO: MONDO:0004994; MedGen: C0878544; Human Phenotype Ontology: HP:0001638

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001343081	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Oct 8, 2019)	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

SCV001343081

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Oct 8, 2019)

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

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Color Diagnostics, LLC DBA Color Health, SCV001343081.2

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

Description

This missense variant replaces arginine with glycine at codon 456 of the PRKAG2 protein. Computational prediction is inconclusive regarding the impact of this variant on protein structure and function (internally defined REVEL score threshold 0.5 < inconclusive < 0.7, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with cardiovascular disorders in the literature. This variant has been identified in 1/251478 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

#	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: Sep 29, 2024

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