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Motor neurons rely on motor proteins
Trends in Cell Biology, 2004The importance of active axonal transport to the neuron has been highlighted by the recent discoveries that mutations in microtubule motor proteins result in neurodegenerative diseases. Mutations affecting microtubule motor function have been shown to cause hereditary forms of Charcot-Marie-Tooth disease (type 2A), hereditary spastic paraplegia and ...
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Motor Proteins at Work for Nanotechnology
Science, 2007The biological cell is equipped with a variety of molecular machines that perform complex mechanical tasks such as cell division or intracellular transport. One can envision employing these biological motors in artificial environments. We review the progress that has been made in using motor proteins for powering or manipulating nanoscale components ...
Martin G L, van den Heuvel, Cees, Dekker
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2007
Motor proteins are molecular machines that convert the chemical energy derived from the hydrolysis of ATP into mechanical work used to power cellular motility. In addition to specialized motile cells like muscle fibers and cellular processes like cilia, all eukaryotic cells contain motor proteins (Fig. 1).
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Motor proteins are molecular machines that convert the chemical energy derived from the hydrolysis of ATP into mechanical work used to power cellular motility. In addition to specialized motile cells like muscle fibers and cellular processes like cilia, all eukaryotic cells contain motor proteins (Fig. 1).
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2007
The cell skeleton forms a scaffold, along which motor proteins can move. These proteins convert the chemical energy of ATP-hydrolysis into mechanical energy. Movement is unidirectional, either from minus to plus or vice versa. The most important systems are microfilament /myosin and microtubule /kinesin and -dynamin .
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The cell skeleton forms a scaffold, along which motor proteins can move. These proteins convert the chemical energy of ATP-hydrolysis into mechanical energy. Movement is unidirectional, either from minus to plus or vice versa. The most important systems are microfilament /myosin and microtubule /kinesin and -dynamin .
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Motor proteins transporting cargos
The European Physical Journal E, 2005Processive motor proteins such as kinesin and myosin-V are enzymes that use the energy of ATP hydrolysis to travel along polar cytoskeletal filaments. One of the functions of these proteins is the transport of vesicles and protein complexes that are linked to the light chains of the motors. Modeling the light chain by a linear elastic spring, and using
Zeldovich, K. B. +2 more
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Mutational Analysis of Motor Proteins
Annual Review of Physiology, 1996Mutations in motor proteins, which can arise by design or randomly, provide powerful insights into the normal function of the protein. This review organizes the available data on mutations of members of the myosin, kinesin, and dynein superfamilies of motor proteins.
H L, Sweeney, E L, Holzbaur
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The Mitochondrial Protein Import Motor
Biological Chemistry, 2000Mitochondrial proteins are synthesized as precursor proteins in the cytosol and are posttranslationally imported into the organelle. A complex system of translocation machineries recognizes and transports the precursor polypeptide across the mitochondrial membranes.
Strub, Andreas +3 more
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The Bacterial RecA Protein as a Motor Protein
Annual Review of Microbiology, 2003▪ Abstract  The bacterial RecA protein plays a central role in the repair of stalled replication forks, double-strand break repair, general recombination, induction of the SOS response, and SOS mutagenesis. The major activity of RecA in DNA metabolism is the promotion of DNA strand exchange reactions.
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Motor proteins for cytoplasmic microtubules
Current Opinion in Cell Biology, 1992It has been thought that motile structures within the cell are driven toward the plus and minus ends of microtubules by the ATPases, kinesin and dynein, respectively. Recently obtained data indicate that this model is far too simplistic. Kinesin is now understood to be one representative of a family of proteins. Another member of the kinesin family has
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Association of motor proteins with membranes
Current Opinion in Cell Biology, 1991The motility of intracellular components, and of the cell as a whole, is mediated by cytoplasmic motor proteins. This review discusses what is known about the binding of cytoplasmic motors to membranes. Mechanisms by which these interactions may result in observed motile phenomena are proposed.
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