Title : A mutation associated with CMT2A neuropathy causes defects in Fzo1 GTP hydrolysis, ubiquitylation, and protein turnover.

Pub. Date : 2009 Dec

PMID : 19812251






3 Functional Relationships(s)
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1 A mutation associated with CMT2A neuropathy causes defects in Fzo1 GTP hydrolysis, ubiquitylation, and protein turnover. Guanosine Triphosphate kinesin family member 1B Homo sapiens
2 One mutation (analogous to the CMT2A I213T substitution in the GTPase domain of Mfn2) not only abolishes GTP hydrolysis and mitochondrial membrane fusion but also reduces Mdm30-mediated ubiquitylation and degradation of the mutant protein. Guanosine Triphosphate kinesin family member 1B Homo sapiens
3 These studies identify diverse and unexpected effects of CMT2A mutations, including a possible role for mitofusin ubiquitylation and degradation in CMT2A pathogenesis, and provide evidence for a novel link between Fzo1 GTP hydrolysis, ubiquitylation, and mitochondrial fusion. Guanosine Triphosphate kinesin family member 1B Homo sapiens