NM_024334.3(TMEM43):c.644A>T (p.His215Leu) AND Arrhythmogenic right ventricular dysplasia 5

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 18, 2018
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:: RCV000816678.6

Allele description [Variation Report for NM_024334.3(TMEM43):c.644A>T (p.His215Leu)]

NM_024334.3(TMEM43):c.644A>T (p.His215Leu)

Gene:

TMEM43:transmembrane protein 43 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

3p25.1

Genomic location:

Preferred name:

NM_024334.3(TMEM43):c.644A>T (p.His215Leu)

HGVS:

NC_000003.12:g.14134830A>T
NG_008975.1:g.14891A>T
NM_024334.3:c.644A>TMANE SELECT
NP_077310.1:p.His215Leu
NP_077310.1:p.His215Leu
LRG_435t1:c.644A>T
LRG_435:g.14891A>T
LRG_435p1:p.His215Leu
NC_000003.11:g.14176330A>T
NM_024334.2:c.644A>T

Protein change:

H215L

Links:

dbSNP: rs730880225

NCBI 1000 Genomes Browser:

rs730880225

Molecular consequence:

NM_024334.3:c.644A>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Arrhythmogenic right ventricular dysplasia 5
Synonyms:: ARRHYTHMOGENIC RIGHT VENTRICULAR DYSPLASIA, FAMILIAL, 5; Arrhythmogenic right ventricular cardiomyopathy, type 5; Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy 5
Identifiers:: MONDO: MONDO:0011459; MedGen: C1858379; OMIM: 604400

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RecName: Full=Activating transcription factor 7-interacting protein 2; Short=ATF...
RecName: Full=Activating transcription factor 7-interacting protein 2; Short=ATF7-interacting protein 2; AltName: Full=MBD1-containing chromatin-associated factor 2
gi|143352739|sp|Q5U623.2|MCAF2_HUMA

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000957196	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Dec 18, 2018)	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

SCV000957196

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Dec 18, 2018)

germline

clinical testing

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

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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, SCV000957196.4

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

Description

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 (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with TMEM43-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces histidine with leucine at codon 215 of the TMEM43 protein (p.His215Leu). The histidine residue is moderately conserved and there is a moderate physicochemical difference between histidine and leucine.

#	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: Feb 28, 2024

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