PeerJ 2014-01-01

Effect of (2)H and (18)O water isotopes in kinesin-1 gliding assay.

Andy Maloney, Lawrence J Herskowitz, Steven J Koch

文献索引：PeerJ 2 , e284, (2014)

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摘要

We show for the first time the effects of heavy-hydrogen water ((2)H2O) and heavy-oxygen water (H2 (18)O) on the gliding speed of microtubules on kinesin-1 coated surfaces. Increased fractions of isotopic waters used in the motility solution decreased the gliding speed of microtubules by a maximum of 21% for heavy-hydrogen and 5% for heavy-oxygen water. We also show that gliding microtubule speed returns to its original speed after being treated with heavy-hydrogen water. We discuss possible interpretations of these results and the importance for future studies of water effects on kinesin and microtubules. We also discuss the implication for using heavy waters in biomolecular devices incorporating molecular motors.

相关化合物

  • 甘油
  • 氢氧化钠
  • 氯化镁
  • 二甲基亚砜
  • 3-乙基-2,4-戊烷二...
  • 哌嗪-1,4-二乙磺酸
  • D(+)-无水葡萄糖
  • 3,6-二氧杂-1,8-辛...
  • 巯基乙醇
  • 8-辛酰氧基芘-1,3,6...

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