Article
Op18/stathmin mediates multiple region-specific tubulin and microtubule-regulating activities.
The Journal of cell biology - 20 Sept 1999
Larsson N, Segerman B, Howell B, Fridell K, Cassimeris L, Gullberg M
Abstract excerpt
Oncoprotein18/stathmin (Op18) is a regulator of microtubule (MT) dynamics that binds tubulin heterodimers and destabilizes MTs by promoting catastrophes (i.e., transitions from growing to shrinking MTs). Here, we have performed a deletion analysis to mechanistically dissect Op18 with respect to (a) modulation of tubulin GTP hydrolysis and exchange, (b) tubulin binding in vitro, and (c) tubulin association and...
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