ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.45986A>G (p.Asn15329Ser)

dbSNP: rs371734564
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000618776 SCV000735469 uncertain significance Cardiovascular phenotype 2016-07-31 criteria provided, single submitter clinical testing The p.N6264S variant (also known as c.18791A>G), located in coding exon 75 of the TTN gene, results from an A to G substitution at nucleotide position 18791. This alteration is located in the I-band region of the N2-B isoform of the titin protein. The asparagine at codon 6264 is replaced by serine, an amino acid with highly similar properties. This variant was previously reported in the SNPDatabase as rs371734564. Based on data from ExAC, the G allele has an overall frequency of less than 0.01% (1/104764). Based on data from the NHLBI Exome Sequencing Project (ESP), the G allele has an overall frequency of approximately 0.01% (1/12096) total alleles studied, having been observed in 0.03% (1/3848) African American alleles. This amino acid position is highly 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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