1ykw: Difference between revisions

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[[Image:1ykw.gif|left|200px]]
{{Seed}}
[[Image:1ykw.png|left|200px]]


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{{STRUCTURE_1ykw|  PDB=1ykw  |  SCENE=  }}  
{{STRUCTURE_1ykw|  PDB=1ykw  |  SCENE=  }}  


'''Crystal Structure of a Novel RuBisCO-Like Protein from the Green Sulfur Bacterium Chlorobium tepidum'''
===Crystal Structure of a Novel RuBisCO-Like Protein from the Green Sulfur Bacterium Chlorobium tepidum===




==Overview==
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Ribulose 1,5-bisphosphate carboxylase/oxygenase (RuBisCO) catalyzes the incorporation of atmospheric CO(2) into ribulose 1,5-bisphosphate (RuBP). RuBisCOs are classified into four forms based on sequence similarity: forms I, II and III are bona fide RuBisCOs; form IV, also called the RuBisCO-like protein (RLP), lacks several of the substrate binding and catalytic residues and does not catalyze RuBP-dependent CO(2) fixation in vitro. To contribute to understanding the function of RLPs, we determined the crystal structure of the RLP from Chlorobium tepidum. The overall structure of the RLP is similar to the structures of the three other forms of RuBisCO; however, the active site is distinct from those of bona fide RuBisCOs and suggests that the RLP is possibly capable of catalyzing enolization but not carboxylation. Bioinformatic analysis of the protein functional linkages suggests that this RLP coevolved with enzymes of the bacteriochlorophyll biosynthesis pathway and may be involved in processes related to photosynthesis.
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{{ABSTRACT_PUBMED_15893668}}


==About this Structure==
==About this Structure==
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[[Category: Tabita, F R.]]
[[Category: Tabita, F R.]]
[[Category: Beta-alpha-barrel]]
[[Category: Beta-alpha-barrel]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 16:26:59 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 13:04:40 2008''

Revision as of 10:04, 27 July 2008

File:1ykw.png

Template:STRUCTURE 1ykw

Crystal Structure of a Novel RuBisCO-Like Protein from the Green Sulfur Bacterium Chlorobium tepidum

Template:ABSTRACT PUBMED 15893668

About this Structure

1YKW is a Single protein structure of sequence from Chlorobaculum tepidum. Full crystallographic information is available from OCA.

Reference

Crystal structure of a RuBisCO-like protein from the green sulfur bacterium Chlorobium tepidum., Li H, Sawaya MR, Tabita FR, Eisenberg D, Structure. 2005 May;13(5):779-89. PMID:15893668

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