NM_001276345.2(TNNT2):c.337C>G (p.Gln113Glu) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Nov 6, 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:: RCV001959522.4

Allele description [Variation Report for NM_001276345.2(TNNT2):c.337C>G (p.Gln113Glu)]

NM_001276345.2(TNNT2):c.337C>G (p.Gln113Glu)

Gene:

TNNT2:troponin T2, cardiac type [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1q32.1

Genomic location:

Preferred name:

NM_001276345.2(TNNT2):c.337C>G (p.Gln113Glu)

HGVS:

NC_000001.11:g.201365265G>C
NG_007556.1:g.17413C>G
NM_000364.4:c.337C>G
NM_001001430.3:c.307C>G
NM_001001431.3:c.307C>G
NM_001001432.3:c.292C>G
NM_001276345.2:c.337C>GMANE SELECT
NM_001276346.2:c.291+345C>G
NM_001276347.2:c.307C>G
NP_000355.2:p.Gln113Glu
NP_001001430.1:p.Gln103Glu
NP_001001431.1:p.Gln103Glu
NP_001001432.1:p.Gln98Glu
NP_001263274.1:p.Gln113Glu
NP_001263276.1:p.Gln103Glu
LRG_431t1:c.337C>G
LRG_431:g.17413C>G
LRG_431p1:p.Gln113Glu
NC_000001.10:g.201334393G>C

Protein change:

Q103E

Links:

dbSNP: rs2102261570

NCBI 1000 Genomes Browser:

rs2102261570

Molecular consequence:

NM_001276346.2:c.291+345C>G - intron variant - [Sequence Ontology: SO:0001627]
NM_000364.4:c.337C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001001430.3:c.307C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001001431.3:c.307C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001001432.3:c.292C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001276345.2:c.337C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001276347.2:c.307C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hypertrophic cardiomyopathy 2
Synonyms:: Familial hypertrophic cardiomyopathy 2; TNNT2-Related Familial Hypertrophic Cardiomyopathy
Identifiers:: MONDO: MONDO:0007266; MedGen: C1861864; OMIM: 115195

Name:: Dilated cardiomyopathy 1D
Synonyms:: Left ventricular noncompaction 6
Identifiers:: MONDO: MONDO:0011095; MedGen: C1832243; Orphanet: 154; Orphanet: 54260; OMIM: 601494

Name:: Cardiomyopathy, familial restrictive, 3
Identifiers:: MONDO: MONDO:0012900; MedGen: C2676271; Orphanet: 75249; OMIM: 612422

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002252145	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Nov 6, 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

SCV002252145

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Nov 6, 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 Labcorp Genetics (formerly Invitae), Labcorp, SCV002252145.3

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

Description

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 affected with TNNT2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glutamine, which is neutral and polar, with glutamic acid, which is acidic and polar, at codon 103 of the TNNT2 protein (p.Gln103Glu). 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.

#	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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