NM_000238.4(KCNH2):c.2684C>T (p.Thr895Met) AND Long QT syndrome 1

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: May 17, 2020
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:: RCV001256913.10

Allele description [Variation Report for NM_000238.4(KCNH2):c.2684C>T (p.Thr895Met)]

NM_000238.4(KCNH2):c.2684C>T (p.Thr895Met)

Gene:

KCNH2:potassium voltage-gated channel subfamily H member 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

7q36.1

Genomic location:

Preferred name:

NM_000238.4(KCNH2):c.2684C>T (p.Thr895Met)

HGVS:

NC_000007.14:g.150948452G>A
NG_008916.1:g.34475C>T
NM_000238.4:c.2684C>TMANE SELECT
NM_172057.3:c.1664C>T
NP_000229.1:p.Thr895Met
NP_000229.1:p.Thr895Met
NP_742054.1:p.Thr555Met
LRG_288t1:c.2684C>T
LRG_288:g.34475C>T
LRG_288p1:p.Thr895Met
NC_000007.13:g.150645540G>A
NM_000238.2:c.2684C>T
NM_000238.3:c.2684C>T

Protein change:

T555M

Links:

dbSNP: rs199473434

NCBI 1000 Genomes Browser:

rs199473434

Molecular consequence:

NM_000238.4:c.2684C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_172057.3:c.1664C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Long QT syndrome 1 (LQT1)
Identifiers:: MONDO: MONDO:0100316; MedGen: C4551647; Orphanet: 101016; Orphanet: 768; OMIM: 192500

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001433430	Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely pathogenic (May 17, 2020)	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

SCV001433430

Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely pathogenic
(May 17, 2020)

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	yes	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 Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute, SCV001433430.1

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

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

Last Updated: Nov 24, 2024

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