1l5h

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{{STRUCTURE_1l5h| PDB=1l5h | SCENE= }}
{{STRUCTURE_1l5h| PDB=1l5h | SCENE= }}
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'''FeMo-cofactor Deficient Nitrogenase MoFe Protein'''
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===FeMo-cofactor Deficient Nitrogenase MoFe Protein===
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==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.
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{{ABSTRACT_PUBMED_11951047}}
==About this Structure==
==About this Structure==
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[[Category: Yoshida, M.]]
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[[Category: Apo-protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 11:44:39 2008''

Revision as of 08:44, 2 July 2008

Image:1l5h.png

Template:STRUCTURE 1l5h

FeMo-cofactor Deficient Nitrogenase MoFe Protein

Template:ABSTRACT PUBMED 11951047

About this Structure

1L5H is a Protein complex structure of sequences from Azotobacter vinelandii. Full crystallographic information is available from OCA.

Reference

Structure of a cofactor-deficient nitrogenase MoFe protein., Schmid B, Ribbe MW, Einsle O, Yoshida M, Thomas LM, Dean DR, Rees DC, Burgess BK, Science. 2002 Apr 12;296(5566):352-6. PMID:11951047

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