1mli: Difference between revisions

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[[Image:1mli.gif|left|200px]]
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[[Image:1mli.png|left|200px]]


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{{STRUCTURE_1mli|  PDB=1mli  |  SCENE=  }}  
{{STRUCTURE_1mli|  PDB=1mli  |  SCENE=  }}  


'''CRYSTAL STRUCTURE OF MUCONOLACTONE ISOMERASE AT 3.3 ANGSTROMS RESOLUTION'''
===CRYSTAL STRUCTURE OF MUCONOLACTONE ISOMERASE AT 3.3 ANGSTROMS RESOLUTION===




==Overview==
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The crystal structure of muconolactone isomerase from Pseudomonas putida, a unique molecule with ten 96 amino acid subunits and 5-fold, and 2-fold symmetries, has been solved at 3.3 A resolution. The non-crystallographic symmetries were used to refine the initial single isomorphous replacement phases and produce an interpretable 10-fold averaged map. The backbone trace is complete and confirmed by the amino acid sequence fit. Each subunit is composed of a body with two alpha-helices and an antiparallel twisted beta-sheet of four strands, and an extended arm. The helices and the sheet fold to form a two-layered structure with an enclosed hydrophobic core and a partially formed putative active site pocket. The C-terminal arm of another subunit related by a local dyad symmetry extends over the core to complete this pocket. The decameric protein is almost spherical, with the helices forming the external coat. There is a large hydrophilic cavity in the center with open ends along the 5-fold axis. Molecular interactions between subunits are extensive. Each subunit contacts four neighbors and loses nearly 40% of its solvent contact area on oligomerization.
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{{ABSTRACT_PUBMED_2926818}}


==About this Structure==
==About this Structure==
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[[Category: Wyckoff, H W.]]
[[Category: Wyckoff, H W.]]
[[Category: Intramolecular oxidoreductase]]
[[Category: Intramolecular oxidoreductase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jul 3 00:16:38 2008''

Revision as of 21:16, 2 July 2008

File:1mli.png

Template:STRUCTURE 1mli

CRYSTAL STRUCTURE OF MUCONOLACTONE ISOMERASE AT 3.3 ANGSTROMS RESOLUTION

Template:ABSTRACT PUBMED 2926818

About this Structure

1MLI is a Single protein structure of sequence from Pseudomonas putida. Full crystallographic information is available from OCA.

Reference

Crystal structure of muconolactone isomerase at 3.3 A resolution., Katti SK, Katz BA, Wyckoff HW, J Mol Biol. 1989 Feb 5;205(3):557-71. PMID:2926818

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