1y00
From Proteopedia
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'''Solution structure of the Carbon Storage Regulator protein CsrA''' | '''Solution structure of the Carbon Storage Regulator protein CsrA''' | ||
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[[Category: Liu, Q.]] | [[Category: Liu, Q.]] | ||
[[Category: Osborne, M J.]] | [[Category: Osborne, M J.]] | ||
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| - | [[Category: | + | [[Category: Carbon storage regulation]] |
| - | [[Category: | + | [[Category: Montreal-kingston bacterial structural genomics initiative]] |
| - | [[Category: | + | [[Category: Structural genomic]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 15:42:56 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 12:42, 3 May 2008
Solution structure of the Carbon Storage Regulator protein CsrA
Overview
The carbon storage regulator A (CsrA) is a protein responsible for the repression of a variety of stationary-phase genes in bacteria. In this work, we describe the nuclear magnetic resonance (NMR)-based structure of the CsrA dimer and its RNA-binding properties. CsrA is a dimer of two identical subunits, each composed of five strands, a small alpha-helix and a flexible C terminus. NMR titration experiments suggest that the beta1-beta2 and beta3-beta4 loops and the C-terminal helix are important elements in RNA binding. Even though the beta3-beta4 loop contains a highly conserved RNA-binding motif, GxxG, typical of KH domains, our structure excludes CsrA from being a member of this protein family, as previously suggested. A mechanism for the recognition of mRNAs downregulated by CsrA is proposed.
About this Structure
1Y00 is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.
Reference
Solution structure of the carbon storage regulator protein CsrA from Escherichia coli., Gutierrez P, Li Y, Osborne MJ, Pomerantseva E, Liu Q, Gehring K, J Bacteriol. 2005 May;187(10):3496-501. PMID:15866937 Page seeded by OCA on Sat May 3 15:42:56 2008
