Table 1 Motor activity of p68/CaM and p68–CaM fusion.

From: Interaction between p68 RNA helicase and Ca2+-calmodulin promotes cell migration and metastasis

 

Kinesin (ATP)

p68/Ca 2+ –CaM (−ATP)

p68/Ca 2+ –CaM (ATP)

His-p68–CaM (ATP)

% Of gliding MTs* (n=50)

89.20±1.13

5.79±3.13

74.15±1.20

85.48±2.40

Mean gliding speed† (μm min−1)

0.17±0.06

0.00±0.00

0.16±0.12

0.09±0.03

Maximum gliding speed (μm min−1)

0.27±0.12

0.01±0.00

0.52±0.14

0.13±0.02

  1. MT, microtubule.
  2. *Only MTs with gliding speed >0.025 μM min−1 were counted.
  3. †Mean gliding speed only measure the MTs with the motility >0.05 μM min−1.
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