1rpr: Difference between revisions

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[[Image:1rpr.jpg|left|200px]]
{{Seed}}
[[Image:1rpr.png|left|200px]]


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{{STRUCTURE_1rpr|  PDB=1rpr  |  SCENE=  }}  
{{STRUCTURE_1rpr|  PDB=1rpr  |  SCENE=  }}  


'''THE STRUCTURE OF COLE1 ROP IN SOLUTION'''
===THE STRUCTURE OF COLE1 ROP IN SOLUTION===




==Overview==
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The structure of the ColE1 repressor of primer (rop) protein in solution was determined from the proton nuclear magnetic resonance data by a combined use of distance geometry and restrained molecular dynamics calculations. A set of structures was determined with low internal energy and virtually no violations of the experimental distance restraints. Rop forms homodimers: Two helical hairpins are arranged as an antiparallel four helix bundle with a left-handed rope-like twist of the helix axes and with left-handed bundle topology. The very compact packing of the side chains in the helix interfaces of the rop coiled-coil structure may well account for its high stability. Overall, the solution structure is highly similar to the recently determined X-ray structure (Banner, D.W., Kokkinidis, M. and Tsernoglou, D. (1987) J. Mol. Biol., 196, 657-675), although there are minor differences in regions where packing forces appear to influence the crystal structure.
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==About this Structure==
==About this Structure==
1RPR is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RPR OCA].  
1RPR is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RPR OCA].  


==Reference==
==Reference==
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[[Category: Sander, C.]]
[[Category: Sander, C.]]
[[Category: Transcription regulation]]
[[Category: Transcription regulation]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 07:46:02 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 16:00:43 2008''