1l5h: Difference between revisions

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[[Image:1l5h.jpg|left|200px]]
{{Seed}}
[[Image:1l5h.png|left|200px]]


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{{STRUCTURE_1l5h|  PDB=1l5h  |  SCENE=  }}  
{{STRUCTURE_1l5h|  PDB=1l5h  |  SCENE=  }}  


'''FeMo-cofactor Deficient Nitrogenase MoFe Protein'''
===FeMo-cofactor Deficient Nitrogenase MoFe Protein===




==Overview==
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One of the most complex biosynthetic processes in metallobiochemistry is the assembly of nitrogenase, the key enzyme in biological nitrogen fixation. We describe here the crystal structure of an iron-molybdenum cofactor-deficient form of the nitrogenase MoFe protein, into which the cofactor is inserted in the final step of MoFe protein assembly. The MoFe protein folds as a heterotetramer containing two copies each of the homologous alpha and beta subunits. In this structure, one of the three alpha subunit domains exhibits a substantially changed conformation, whereas the rest of the protein remains essentially unchanged. A predominantly positively charged funnel is revealed; this funnel is of sufficient size to accommodate insertion of the negatively charged cofactor.
The line below this paragraph, {{ABSTRACT_PUBMED_11951047}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_11951047}}


==About this Structure==
==About this Structure==
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[[Category: Yoshida, M.]]
[[Category: Yoshida, M.]]
[[Category: Apo-protein]]
[[Category: Apo-protein]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 23:33:41 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 11:44:39 2008''
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