1mjh: Difference between revisions

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[[Image:1mjh.gif|left|200px]]
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{{STRUCTURE_1mjh|  PDB=1mjh  |  SCENE=  }}  
{{STRUCTURE_1mjh|  PDB=1mjh  |  SCENE=  }}  


'''STRUCTURE-BASED ASSIGNMENT OF THE BIOCHEMICAL FUNCTION OF HYPOTHETICAL PROTEIN MJ0577: A TEST CASE OF STRUCTURAL GENOMICS'''
===STRUCTURE-BASED ASSIGNMENT OF THE BIOCHEMICAL FUNCTION OF HYPOTHETICAL PROTEIN MJ0577: A TEST CASE OF STRUCTURAL GENOMICS===




==Overview==
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Many small bacterial, archaebacterial, and eukaryotic genomes have been sequenced, and the larger eukaryotic genomes are predicted to be completely sequenced within the next decade. In all genomes sequenced to date, a large portion of these organisms' predicted protein coding regions encode polypeptides of unknown biochemical, biophysical, and/or cellular functions. Three-dimensional structures of these proteins may suggest biochemical or biophysical functions. Here we report the crystal structure of one such protein, MJ0577, from a hyperthermophile, Methanococcus jannaschii, at 1.7-A resolution. The structure contains a bound ATP, suggesting MJ0577 is an ATPase or an ATP-mediated molecular switch, which we confirm by biochemical experiments. Furthermore, the structure reveals different ATP binding motifs that are shared among many homologous hypothetical proteins in this family. This result indicates that structure-based assignment of molecular function is a viable approach for the large-scale biochemical assignment of proteins and for discovering new motifs, a basic premise of structural genomics.
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{{ABSTRACT_PUBMED_9860944}}


==About this Structure==
==About this Structure==
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[[Category: Psi]]
[[Category: Psi]]
[[Category: Structural genomic]]
[[Category: Structural genomic]]
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Revision as of 21:06, 2 July 2008

File:1mjh.png

Template:STRUCTURE 1mjh

STRUCTURE-BASED ASSIGNMENT OF THE BIOCHEMICAL FUNCTION OF HYPOTHETICAL PROTEIN MJ0577: A TEST CASE OF STRUCTURAL GENOMICS

Template:ABSTRACT PUBMED 9860944

About this Structure

1MJH is a Single protein structure of sequence from Methanocaldococcus jannaschii. Full crystallographic information is available from OCA.

Reference

Structure-based assignment of the biochemical function of a hypothetical protein: a test case of structural genomics., Zarembinski TI, Hung LW, Mueller-Dieckmann HJ, Kim KK, Yokota H, Kim R, Kim SH, Proc Natl Acad Sci U S A. 1998 Dec 22;95(26):15189-93. PMID:9860944

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