ClinVar Miner

Submissions for variant NM_007078.3(LDB3):c.2155A>C (p.Lys719Gln)

dbSNP: rs397517220
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000618884 SCV000737055 uncertain significance Cardiovascular phenotype 2015-10-28 criteria provided, single submitter clinical testing The p.K719Q variant (also known as c.2155A>C), located in coding exon 13 of the LDB3 gene, results from an A to C substitution at nucleotide position 2155. The lysine at codon 719 is replaced by glutamine, an amino acid with a few similar properties. This variant was not reported in population based cohorts in the following databases: Database of Single Nucleotide Polymorphisms (dbSNP), NHLBI Exome Sequencing Project (ESP), and 1000 Genomes Project. In the ESP, this variant was not observed in 6503 samples (13006 alleles) with coverage at this position. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this variant remains unclear.
Invitae RCV001241738 SCV001414778 uncertain significance Myofibrillar myopathy 4 2022-08-09 criteria provided, single submitter clinical testing 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. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. This variant has not been reported in the literature in individuals affected with LDB3-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces lysine, which is basic and polar, with glutamine, which is neutral and polar, at codon 719 of the LDB3 protein (p.Lys719Gln). The LDB3 gene has multiple clinically relevant transcripts. This variant occurs in alternate transcript NM_007078.3, and corresponds to NM_001080116.1:c.*33573A>C in the primary transcript.

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