Reversal in the direction of movement of a molecular motor

Article Abstract:

Kinesin and non-claret disjunctional (ncd) molecular motors move in opposite directions through microtubules. The basis for the direction of movement is not clear, but could be an intrinsic property of the motor domain. A chimaera made up of the motor domain of the minus-end-directed kinesin of Neurospora crassa, was found to move towards the plus end of the microtubules. This shows a reversal of the polarity of force geneation of the ncd motor domain.

Proteins

---

Switching on kinesin

Article Abstract:

The crystallization in a motor region of the enzyme kinesin in two different functional states, helped researchers to understand how kinesin works. A 20 degree twist of kinesin's motor region lets the enzyme grip more tightly onto the linear tracks, called microtubules, as it moves along.

Enzymes

---

A step dissected

Article Abstract:

The results from single-molecule fluorescence technique that provide insight into walking mechanism of molecular motor protein kinesin through hydrolysis of ATP molecule are reported.

Science & research, Adenosine triphosphate, ATP, Hydrolysis, Chemical properties, Energy transformation, Molecular motors (Biochemistry)

Similar abstracts:

• Abstracts: Unidirectional rotation in a mechanically interlocked molecular rotor. Influencing intramolecular motion with an alternating electric field
• Abstracts: Robot predators in virtual ecologies: the importance of memory in mimicry studies. Warning signals, receiver psychology and predator memory
• Abstracts: Late Proterozoic rise in atmospheric oxygen concentration inferred from phylogenetic and sulphur-isotope studies
• Abstracts: Motion direction, speed and orientation in binocular matching. Object-based attention determines dominance in binocular rivalry
• Abstracts: CaT1 manifests the pore properties of the calcium-release-activated calcium channel. Channelling calcium

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.