Structural insights into the small G-protein Arl13B and implications for Joubert syndrome.

Abstract excerpt

Ciliopathies are human diseases arising from defects in primary or motile cilia. The small G-protein Arl13B (ADP-ribosylation factor-like 13B) localizes to microtubule doublets of the ciliary axoneme and is mutated in Joubert syndrome. Its GDP/GTP mechanistic cycle and the effect of its mutations in patients with Joubert syndrome remain elusive. In the present study we applied high resolution structural and...

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