2v26

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{{STRUCTURE_2v26| PDB=2v26 | SCENE= }}
{{STRUCTURE_2v26| PDB=2v26 | SCENE= }}
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'''MYOSIN VI (MD) PRE-POWERSTROKE STATE (MG.ADP.VO4)'''
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===MYOSIN VI (MD) PRE-POWERSTROKE STATE (MG.ADP.VO4)===
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==Overview==
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Due to a unique addition to the lever arm-positioning region (converter), class VI myosins move in the opposite direction (toward the minus-end of actin filaments) compared to other characterized myosin classes. However, the large size of the myosin VI lever arm swing (powerstroke) cannot be explained by our current view of the structural transitions that occur within the myosin motor. We have solved the crystal structure of a fragment of the myosin VI motor in the structural state that represents the starting point for movement on actin; the pre-powerstroke state. Unexpectedly, the converter itself rearranges to achieve a conformation that has not been seen for other myosins. This results in a much larger powerstroke than is achievable without the converter rearrangement. Moreover, it provides a new mechanism that could be exploited to increase the powerstroke of yet to be characterized plus-end-directed myosin classes.
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(as it appears on PubMed at http://www.pubmed.gov), where 17956731 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17956731}}
==About this Structure==
==About this Structure==
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[[Category: Transport]]
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[[Category: Vanadate]]
[[Category: Vanadate]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 18:05:03 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 08:50:45 2008''

Revision as of 05:50, 29 July 2008

Image:2v26.png

Template:STRUCTURE 2v26

MYOSIN VI (MD) PRE-POWERSTROKE STATE (MG.ADP.VO4)

Template:ABSTRACT PUBMED 17956731

About this Structure

2V26 is a Single protein structure of sequence from Sus scrofa. Full crystallographic information is available from OCA.

Reference

The structural basis for the large powerstroke of myosin VI., Menetrey J, Llinas P, Mukherjea M, Sweeney HL, Houdusse A, Cell. 2007 Oct 19;131(2):300-8. PMID:17956731

Page seeded by OCA on Tue Jul 29 08:50:45 2008

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