2mjp
From Proteopedia
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'''STRUCTURE-BASED IDENTIFICATION OF THE BIOCHEMICAL FUNCTION OF A HYPOTHETICAL PROTEIN FROM METHANOCOCCUS JANNASCHII:MJ0226''' | '''STRUCTURE-BASED IDENTIFICATION OF THE BIOCHEMICAL FUNCTION OF A HYPOTHETICAL PROTEIN FROM METHANOCOCCUS JANNASCHII:MJ0226''' | ||
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[[Category: Hwang, K Y.]] | [[Category: Hwang, K Y.]] | ||
[[Category: Kim, S H.]] | [[Category: Kim, S H.]] | ||
| - | [[Category: | + | [[Category: Berkeley structural genomics center]] |
| - | [[Category: | + | [[Category: Bsgc structure funded by nih]] |
| - | [[Category: | + | [[Category: Hyperthermal protein]] |
| - | [[Category: | + | [[Category: Protein structure initiative]] |
| - | [[Category: | + | [[Category: Psi]] |
| - | [[Category: | + | [[Category: Pyrophosphatase]] |
| - | [[Category: | + | [[Category: Structural genomic]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 09:33:49 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 06:33, 4 May 2008
STRUCTURE-BASED IDENTIFICATION OF THE BIOCHEMICAL FUNCTION OF A HYPOTHETICAL PROTEIN FROM METHANOCOCCUS JANNASCHII:MJ0226
Overview
Almost half of the entire set of predicted genomic products from Methanococcus jannaschii are classified as functionally unknown hypothetical proteins. We present a structure-based identification of the biochemical function of a protein with an as yet unknown function from a M. jannaschii gene, Mj0226. The crystal structure of Mj0226 protein determined at 2.2 A resolution reveals that the protein is a homodimer and each monomer folds into an elongated alpha/beta structure of a new fold family. Comparisons of Mj0226 protein with protein structures in the database, however, indicate that one part of the protein is homologous to some of the nucleotide-binding proteins. Biochemical analysis shows that Mj0226 protein is a novel nucleotide triphosphatase that can efficiently hydrolyze nonstandard nucleotides such as XTP to XMP or ITP to IMP, but not the standard nucleotides, in the presence of Mg2+ or Mn2+ ions.
About this Structure
2MJP is a Single protein structure of sequence from Methanocaldococcus jannaschii. Full crystallographic information is available from OCA.
Reference
Structure-based identification of a novel NTPase from Methanococcus jannaschii., Hwang KY, Chung JH, Kim SH, Han YS, Cho Y, Nat Struct Biol. 1999 Jul;6(7):691-6. PMID:10404228 Page seeded by OCA on Sun May 4 09:33:49 2008
Categories: Methanocaldococcus jannaschii | Single protein | BSGC, Berkeley Structural Genomics Center. | Cho, Y. | Chung, J H. | Han, Y S. | Hwang, K Y. | Kim, S H. | Berkeley structural genomics center | Bsgc structure funded by nih | Hyperthermal protein | Protein structure initiative | Psi | Pyrophosphatase | Structural genomic
