2djw: Difference between revisions

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[[Image:2djw.gif|left|200px]]
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{{STRUCTURE_2djw|  PDB=2djw  |  SCENE=  }}  
{{STRUCTURE_2djw|  PDB=2djw  |  SCENE=  }}  


'''Crystal structure of TTHA0845 from Thermus thermophilus HB8'''
===Crystal structure of TTHA0845 from Thermus thermophilus HB8===




==Overview==
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The stand-alone RAM (regulation of amino-acid metabolism) domain protein SraA from Thermus thermophilus HB8 (TTHA0845) was crystallized in the presence of zinc ions. The X-ray crystal structure was determined using a multiple-wavelength anomalous dispersion technique and was refined at 2.4 A resolution to a final R factor of 25.0%. The monomeric structure is a betaalphabetabetaalphabeta fold and it dimerizes mainly through interactions between the antiparallel beta-sheets. Furthermore, five SraA dimers form a ring with external and internal diameters of 70 and 20 A, respectively. This decameric structure is unique compared with the octameric and dodecameric structures found for other stand-alone RAM-domain proteins and the C-terminal RAM domains of Lrp/AsnC-family proteins.
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==About this Structure==
==About this Structure==
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[[Category: Structural genomic]]
[[Category: Structural genomic]]
[[Category: Thermus thermophilus hb8]]
[[Category: Thermus thermophilus hb8]]
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