ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.5398G>C (p.Ala1800Pro) (rs730880917)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000158873 SCV000208808 likely pathogenic not provided 2011-11-03 criteria provided, single submitter clinical testing This variant is denoted Ala1800Pro (aka A1800P) at the protein level and c.5398 G>C at the cDNA level. The Ala1800Pro variant in the MYH7 gene has not been reported previously as a disease-causing mutation or as a benign polymorphism to our knowledge. Population studies performed at GeneDx did not detect Ala1800Pro in 564 control alleles from individuals of different ethnic backgrounds, suggesting it is not a common benign variant. Ala1800Pro represents a semi-conservative amino acid change of a non-polar Alanine to a non-polar but sterically constrained Proline at a residue that is conserved throughout evolution. In addition, in-silico analysis predicts Ala1800Pro is not a tolerated missense change, and is probably damaging to protein structure/function. Other missense mutations in surrounding codons (Asp1792Gly, Glu1801Gly, Gly1808Ala) have also been reported in association with DCM, further supporting the functional significance of this region of the protein. With the clinical and molecular information available at this time, the clinical significance of Ala1800Pro in the MYH7 gene cannot be unequivocally determined, however the evidence suggests it may be disease-causing. The variant is found in DCM panel(s).

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