title: Tubulin depolymerization may be an ancient biological motor.
authors.affiliation: Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80309, USA. richard.mcintosh@colorado.edu
authors.forename: J Richard
authors.initials: JR
authors.lastname: McIntosh
authors.forename: Vladimir
authors.initials: V
authors.lastname: Volkov
authors.forename: Fazly I
authors.initials: FI
authors.lastname: Ataullakhanov
authors.forename: Ekaterina L
authors.initials: EL
authors.lastname: Grishchuk