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1u0l

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{{STRUCTURE_1u0l| PDB=1u0l | SCENE= }}
{{STRUCTURE_1u0l| PDB=1u0l | SCENE= }}
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'''Crystal structure of YjeQ from Thermotoga maritima'''
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===Crystal structure of YjeQ from Thermotoga maritima===
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==Overview==
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We have determined the crystal structure of the GDP complex of the YjeQ protein from Thermotoga maritima (TmYjeQ), a member of the YjeQ GTPase subfamaily. TmYjeQ, a homologue of Escherichia coli YjeQ, which is known to bind to the ribosome, is composed of three domains: an N-terminal oligonucleotide/oligosaccharide-binding fold domain, a central GTPase domain, and a C-terminal zinc-finger domain. The crystal structure of TmYjeQ reveals two interesting domains: a circularly permutated GTPase domain and an unusual zinc-finger domain. The binding mode of GDP in the GTPase domain of TmYjeQ is similar to those of GDP or GTP analogs in ras proteins, a prototype GTPase. The N-terminal oligonucleotide/oligosaccharide-binding fold domain, together with the GTPase domain, forms the extended RNA-binding site. The C-terminal domain has an unusual zinc-finger motif composed of Cys-250, Cys-255, Cys-263, and His-257, with a remote structural similarity to a portion of a DNA-repair protein, rad51 fragment. The overall structural features of TmYjeQ make it a good candidate for an RNA-binding protein, which is consistent with the biochemical data of the YjeQ subfamily in binding to the ribosome.
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{{ABSTRACT_PUBMED_15331784}}
==About this Structure==
==About this Structure==
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[[Category: Structural genomic]]
[[Category: Structural genomic]]
[[Category: Zinc-finger]]
[[Category: Zinc-finger]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 10:36:09 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 13:57:36 2008''

Revision as of 10:57, 28 July 2008

Image:1u0l.png

Template:STRUCTURE 1u0l

Crystal structure of YjeQ from Thermotoga maritima

Template:ABSTRACT PUBMED 15331784

About this Structure

1U0L is a Single protein structure of sequence from Thermotoga maritima. Full crystallographic information is available from OCA.

Reference

Crystal structure of YjeQ from Thermotoga maritima contains a circularly permuted GTPase domain., Shin DH, Lou Y, Jancarik J, Yokota H, Kim R, Kim SH, Proc Natl Acad Sci U S A. 2004 Sep 7;101(36):13198-203. Epub 2004 Aug 26. PMID:15331784

Page seeded by OCA on Mon Jul 28 13:57:36 2008

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