2e7y: Difference between revisions

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[[Image:2e7y.jpg|left|200px]]
{{Seed}}
[[Image:2e7y.png|left|200px]]


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{{STRUCTURE_2e7y|  PDB=2e7y  |  SCENE=  }}  
{{STRUCTURE_2e7y|  PDB=2e7y  |  SCENE=  }}  


'''High resolution structure of T. maritima tRNase Z'''
===High resolution structure of T. maritima tRNase Z===




==Overview==
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tRNA 3'-processing endoribonuclease (tRNase Z) is one of the enzymes involved in the 3'-end processing of precursor tRNAs and is a member of the metallo-beta-lactamase superfamily. tRNase Z crystal structures have revealed that the enzyme forms a dimer and has a characteristic domain, named a flexible arm or an exosite, which protrudes from the metallo-beta-lactamase core and is involved in tRNA binding. The refined structure of Thermotoga maritima tRNase Z has been determined at 1.97 A resolution, revealing the structure of the flexible arm and the zinc-bound active site. The structure of the flexible arm of T. maritima tRNase Z is distinct from those of the Bacillus subtilis and Escherichia coli tRNase Zs. A comparison of the three tRNase Z structures revealed differences in the dimer orientation, which may be related to the unique cleavage-site specificity of T. maritima tRNase Z.
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{{ABSTRACT_PUBMED_17671357}}


==About this Structure==
==About this Structure==
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[[Category: Structural genomic]]
[[Category: Structural genomic]]
[[Category: Trna maturation]]
[[Category: Trna maturation]]
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