Article
Stimulation of microtubule aster formation and spindle assembly by the small GTPase Ran.
Science (New York, N.Y.) - 21 May 1999
Wilde A, Zheng Y
Abstract excerpt
Ran, a small guanosine triphosphatase, is suggested to have additional functions beyond its well-characterized role in nuclear trafficking. Guanosine triphosphate-bound Ran, but not guanosine diphosphate-bound Ran, stimulated polymerization of astral microtubules from centrosomes assembled on Xenopus sperm. Moreover, a Ran allele with a mutation in the effector domain (RanL43E) induced the formation of...
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