2e7y
From Proteopedia
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'''High resolution structure of T. maritima tRNase Z''' | '''High resolution structure of T. maritima tRNase Z''' | ||
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[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]] | [[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]] | ||
[[Category: Yokoyama, S.]] | [[Category: Yokoyama, S.]] | ||
| - | [[Category: | + | [[Category: Hydrolase]] |
| - | [[Category: | + | [[Category: Metallo-beta-lactamse]] |
| - | [[Category: | + | [[Category: National project on protein structural and functional analyse]] |
| - | [[Category: | + | [[Category: Nppsfa]] |
| - | [[Category: | + | [[Category: Riken structural genomics/proteomics initiative]] |
| - | [[Category: | + | [[Category: Rnase]] |
| - | [[Category: | + | [[Category: Rsgi]] |
| - | [[Category: | + | [[Category: Structural genomic]] |
| - | [[Category: | + | [[Category: Trna maturation]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 02:06:13 2008'' | |
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Revision as of 23:06, 3 May 2008
High resolution structure of T. maritima tRNase Z
Overview
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.
About this Structure
2E7Y is a Single protein structure of sequence from Thermotoga maritima. Full crystallographic information is available from OCA.
Reference
The structure of the flexible arm of Thermotoga maritima tRNase Z differs from those of homologous enzymes., Ishii R, Minagawa A, Takaku H, Takagi M, Nashimoto M, Yokoyama S, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2007 Aug 1;63(Pt, 8):637-41. Epub 2007 Jul 21. PMID:17671357 Page seeded by OCA on Sun May 4 02:06:13 2008
Categories: Ribonuclease Z | Single protein | Thermotoga maritima | Ishii, R. | RSGI, RIKEN Structural Genomics/Proteomics Initiative. | Yokoyama, S. | Hydrolase | Metallo-beta-lactamse | National project on protein structural and functional analyse | Nppsfa | Riken structural genomics/proteomics initiative | Rnase | Rsgi | Structural genomic | Trna maturation
