Abstract.
Molecular cloning and sequence analysis of myosin genes from Arabidopsis thaliana and electron microscopic observation of a myosin from characean alga have revealed that overall structure of plant unconventional myosins is similar to that of the class V myosins. These plant unconventional myosins have two heads, a coiled-coil tail of varied length and a globular tail piece at the end. The tail piece is probably a site for membrane interaction. Characean myosin is of special interest because it can translocate actin filaments at a velocity several times faster than muscle myosin, which must have evolved to support the quick movement of animals in the struggle for their lives.
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Yamamoto, K., Hamada, S. & Kashiyama, T. Myosins from plants. CMLS, Cell. Mol. Life Sci. 56, 227–232 (1999). https://doi.org/10.1007/s000180050424
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DOI: https://doi.org/10.1007/s000180050424