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NM_001267550.2(TTN):c.104414G>T (p.Arg34805Leu) AND Cardiovascular phenotype

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Feb 14, 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:
RCV002399393.2

Allele description [Variation Report for NM_001267550.2(TTN):c.104414G>T (p.Arg34805Leu)]

NM_001267550.2(TTN):c.104414G>T (p.Arg34805Leu)

Genes:
TTN-AS1:TTN antisense RNA 1 [Gene - HGNC]
TTN:titin [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
2q31.2
Genomic location:
Preferred name:
NM_001267550.2(TTN):c.104414G>T (p.Arg34805Leu)
HGVS:
  • NC_000002.12:g.178532201C>A
  • NG_011618.3:g.303602G>T
  • NG_051363.1:g.14375C>A
  • NM_001256850.1:c.99491G>T
  • NM_001267550.2:c.104414G>TMANE SELECT
  • NM_003319.4:c.77219G>T
  • NM_133378.4:c.96710G>T
  • NM_133432.3:c.77594G>T
  • NM_133437.4:c.77795G>T
  • NP_001243779.1:p.Arg33164Leu
  • NP_001254479.2:p.Arg34805Leu
  • NP_003310.4:p.Arg25740Leu
  • NP_596869.4:p.Arg32237Leu
  • NP_597676.3:p.Arg25865Leu
  • NP_597681.4:p.Arg25932Leu
  • LRG_391:g.303602G>T
  • NC_000002.11:g.179396928C>A
  • NM_003319.4:c.77219G>T
  • c.96710G>T
Protein change:
R25740L
Links:
dbSNP: rs115150240
NCBI 1000 Genomes Browser:
rs115150240
Molecular consequence:
  • NM_001256850.1:c.99491G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001267550.2:c.104414G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_003319.4:c.77219G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_133378.4:c.96710G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_133432.3:c.77594G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_133437.4:c.77795G>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Cardiovascular phenotype
Identifiers:
MedGen: CN230736

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV002670574Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)		Uncertain significance
(Feb 14, 2019) 		germlineclinical testing

Citation Link

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Details of each submission

From Ambry Genetics, SCV002670574.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

The p.R25740L variant (also known as c.77219G>T), located in coding exon 185 of the TTN gene, results from a G to T substitution at nucleotide position 77219. The arginine at codon 25740 is replaced by leucine, an amino acid with dissimilar properties. This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: May 1, 2024