ClinVar Miner

Submissions for variant NM_002474.3(MYH11):c.379C>T (p.Pro127Ser)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Institute of Human Genetics,University Medical Center Hamburg-Eppendorf RCV000787337 SCV000864231 likely pathogenic Visceral myopathy 2019-01-17 no assertion criteria provided clinical testing Pro127 of MHY11 is highly conserved and as a component of the purine binding loop (Asp126Pro127xxxxxxTyr134; PMID 15184651) it is directly involved in shaping the ATP binding pocket of the motor domain. Molecular replacement of the orthologous (G.gallus) amino acid Pro126 for a serine resulted in (i) loss of molecular interactions between MYH11 amino acid 126 and MgADP_AlF4- and (ii) modified intramolecular interactions. These data suggest that p.Pro127Ser induces structural alterations which interfere with nucleotide (ATP/ADP) binding properties of MYH11. In summary, the Pro127Ser variant meets our criteria to be classified as likely pathogenic based upon familial segregation, absence from controls, pathogenicity predictions and indirect functional evidence.

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