The dual enzyme LRRK2 hydrolyzes GTP in both its GTPase and kinase domains in vitro.

Abstract excerpt

The evolutionarily conserved enzyme encoded by the leucine-rich repeat kinase 2 gene, LRRK2, harbors both a Rab-like GTPase domain and a serine/threonine protein kinase domain. Pathogenic mutations in either the GTPase or kinase domain can cause neurodegeneration and Parkinson disease. No high-resolution structure of the human LRRK2 kinase domain is available but the most common mutation, G2019S in the kinase...

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