Direct observation of processive movement by individual myosin V molecules.

  title={Direct observation of processive movement by individual myosin V molecules.},
  author={Taka Sakamoto and I Amitani and Etsuo Yokota and T Ando},
  journal={Biochemical and biophysical research communications},
  volume={272 2},
Myosin V is an unconventional myosin thought to move processively along actin filaments. To have hard evidence for the high processivity, we sought to observe directly the movement by individual native chick brain myosin V (BMV) molecules with fluorescent calmodulin. Single BMV molecules did exhibit highly processive movement along actin filaments fixed to a coverslip. BMV continued to move up to the barbed end of its actin track, and did not readily detach from action. The barbed end… CONTINUE READING

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