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1e3t

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[[Image:1e3t.jpg|left|200px]]
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{{STRUCTURE_1e3t| PDB=1e3t | SCENE= }}
{{STRUCTURE_1e3t| PDB=1e3t | SCENE= }}
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'''SOLUTION STRUCTURE OF THE NADP(H) BINDING COMPONENT (DIII) OF PROTON-TRANSLOCATING TRANSHYDROGENASE FROM RHODOSPIRILLUM RUBRUM'''
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===SOLUTION STRUCTURE OF THE NADP(H) BINDING COMPONENT (DIII) OF PROTON-TRANSLOCATING TRANSHYDROGENASE FROM RHODOSPIRILLUM RUBRUM===
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==Overview==
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Transhydrogenase is a proton pump found in the membranes of bacteria and animal mitochondria. The solution structure of the expressed, 21.5 kDa, NADP(H)-binding component (dIII) of transhydrogenase from Rhodospirillum rubrum has been solved by NMR methods. This is the first description of the structure of dIII from a bacterial source. The protein adopts a Rossmann fold: an open, twisted, parallel beta-sheet, flanked by helices. However, the binding of NADP(+) to dIII is profoundly different to that seen in other Rossmann structures, in that its orientation is reversed: the adenosine moiety interacts with the first betaalphabetaalphabeta motif, and the nicotinamide with the second. Features in the structure that might be responsible for changes in nucleotide-binding affinity during catalysis, and for interaction with other components of the enzyme, are identified. The results are compared with the recently determined, high-resolution crystal structures of human and bovine dIII which also show the reversed nucleotide orientation.
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(as it appears on PubMed at http://www.pubmed.gov), where 11004437 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11004437}}
==About this Structure==
==About this Structure==
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1E3T is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Rhodospirillum_rubrum Rhodospirillum rubrum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1E3T OCA].
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1E3T is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Rhodospirillum_rubrum Rhodospirillum rubrum]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1E3T OCA].
==Reference==
==Reference==
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[[Category: Proton translocation]]
[[Category: Proton translocation]]
[[Category: Transhydrogenase]]
[[Category: Transhydrogenase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 14:37:36 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 00:06:17 2008''

Revision as of 21:06, 30 June 2008

Image:1e3t.png

Template:STRUCTURE 1e3t

SOLUTION STRUCTURE OF THE NADP(H) BINDING COMPONENT (DIII) OF PROTON-TRANSLOCATING TRANSHYDROGENASE FROM RHODOSPIRILLUM RUBRUM

Template:ABSTRACT PUBMED 11004437

About this Structure

1E3T is a Single protein structure of sequence from Rhodospirillum rubrum. Full experimental information is available from OCA.

Reference

Solution structure of the NADP(H)-binding component (dIII) of proton-translocating transhydrogenase from Rhodospirillum rubrum., Jeeves M, Smith KJ, Quirk PG, Cotton NP, Jackson JB, Biochim Biophys Acta. 2000 Aug 15;1459(2-3):248-57. PMID:11004437

Page seeded by OCA on Tue Jul 1 00:06:17 2008

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