ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.13510C>A (p.Gln4504Lys)

gnomAD frequency: 0.00001  dbSNP: rs761901186
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000551268 SCV000642676 uncertain significance Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J 2017-05-17 criteria provided, single submitter clinical testing
Ambry Genetics RCV000619205 SCV000737164 uncertain significance Cardiovascular phenotype 2016-09-08 criteria provided, single submitter clinical testing The p.Q4141K variant (also known as c.12421C>A), located in coding exon 44 of the TTN gene, results from a C to A substitution at nucleotide position 12421. The glutamine at codon 4141 is replaced by lysine, an amino acid with similar properties. This alteration is located in the I-band region of the N2-B isoform of the titin protein. Based on data from ExAC, the A allele has an overall frequency of less than 0.01% (1/120700). 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.

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