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Updated: Jan 31, 2026

Head Implants for the Neuroimaging of Awake, Head-Fixed Rats
Published on: September 7, 2022
Kinesin Kar3 and Vik1 go head to head
Günther Woehlke1, Manfred Schliwa
1Department of Physics E22, Technical University Munich, Garching, Germany. guenther.woehlke@lrz.uni-muenchen.de
Abstract:
The yeast kinesin motor protein Kar3 forms a heterodimer with a nonmotor protein Vik1. A study in this issue by Allingham et al. (2007) reveals that Vik1 unexpectedly has a structure similar to a kinesin motor domain yet lacks a nucleotide-binding site and is thus catalytically inactive. However, this does not hinder movement of the heterodimer because other features of the remarkably divergent Vik1 motor domain are retained, including the ability to bind microtubules.
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