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

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: May 28, 2022
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:: RCV004019008.1

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:: Cardiovascular phenotype
Identifiers:: MedGen: CN230736

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004888815	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (May 28, 2022)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV004888815

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(May 28, 2022)

germline

clinical testing

Citation Link

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

Details of each submission

From Ambry Genetics, SCV004888815.1

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

Description

The c.2684C>T (p.T895M) alteration is located in exon 11 (coding exon 11) of the KCNH2 gene. This alteration results from a C to T substitution at nucleotide position 2684, causing the threonine (T) at amino acid position 895 to be replaced by a methionine (M). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

#	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: Nov 3, 2024

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