2gsk

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{{STRUCTURE_2gsk| PDB=2gsk | SCENE= }}
{{STRUCTURE_2gsk| PDB=2gsk | SCENE= }}
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'''Structure of the BtuB:TonB Complex'''
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===Structure of the BtuB:TonB Complex===
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==Overview==
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In Gram-negative bacteria, the import of essential micronutrients across the outer membrane requires a transporter, an electrochemical gradient of protons across the inner membrane, and an inner membrane protein complex (ExbB, ExbD, TonB) that couples the proton-motive force to the outer membrane transporter. The inner membrane protein TonB binds directly to a conserved region, called the Ton-box, of the transporter. We solved the structure of the cobalamin transporter BtuB in complex with the C-terminal domain of TonB. In contrast to its conformations in the absence of TonB, the Ton-box forms a beta strand that is recruited to the existing beta sheet of TonB, which is consistent with a mechanical pulling model of transport.
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{{ABSTRACT_PUBMED_16741124}}
==About this Structure==
==About this Structure==
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[[Category: Outer-membrane active transport]]
[[Category: Outer-membrane active transport]]
[[Category: Tonb]]
[[Category: Tonb]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 05:28:34 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 13:24:57 2008''

Revision as of 10:25, 29 July 2008

Image:2gsk.png

Template:STRUCTURE 2gsk

Structure of the BtuB:TonB Complex

Template:ABSTRACT PUBMED 16741124

About this Structure

2GSK is a Protein complex structure of sequences from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Outer membrane active transport: structure of the BtuB:TonB complex., Shultis DD, Purdy MD, Banchs CN, Wiener MC, Science. 2006 Jun 2;312(5778):1396-9. PMID:16741124

Page seeded by OCA on Tue Jul 29 13:24:57 2008

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