Article
Two Drosophila myosin transducer mutants with distinct cardiomyopathies have divergent ADP and actin affinities.
The Journal of biological chemistry - 12 Aug 2011
Bloemink Marieke J, Melkani Girish C, Dambacher Corey M, Bernstein Sanford I, Geeves Michael A
Abstract excerpt
Two Drosophila myosin II point mutations (D45 and Mhc(5)) generate Drosophila cardiac phenotypes that are similar to dilated or restrictive human cardiomyopathies. Our homology models suggest that the mutations (A261T in D45, G200D in Mhc(5)) could stabilize (D45) or destabilize (Mhc(5)) loop 1 of myosin, a region known to influence ADP release. To gain insight into the molecular mechanism that causes the...
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