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1rlg

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{{STRUCTURE_1rlg| PDB=1rlg | SCENE= }}
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'''Molecular basis of Box C/D RNA-protein interaction: co-crystal structure of the Archaeal sRNP intiation complex'''
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===Molecular basis of Box C/D RNA-protein interaction: co-crystal structure of the Archaeal sRNP intiation complex===
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==Overview==
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We have determined and refined a crystal structure of the initial assembly complex of archaeal box C/D sRNPs comprising the Archaeoglobus fulgidus (AF) L7Ae protein and a box C/D RNA. The box C/D RNA forms a classical kink-turn (K-turn) structure and the resulting protein-RNA complex serves as a distinct platform for recruitment of the fibrillarin-Nop5p complex. The cocrystal structure confirms previously proposed secondary structure of the box C/D RNA that includes a protruded U, a UU mismatch, and two sheared tandem GA base pairs. Detailed structural comparisons of the AF L7Ae-box C/D RNA complex with previously determined crystal structures of L7Ae homologs in complex with functionally distinct K-turn RNAs revealed a set of remarkably conserved principles in protein-RNA interactions. These analyses provide a structural basis for interpreting the functional roles of the box C/D sequences in directing specific assembly of box C/D sRNPs.
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==About this Structure==
==About this Structure==
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[[Category: Zhang, Y.]]
[[Category: Zhang, Y.]]
[[Category: Protein-rna]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 07:38:34 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 13:42:02 2008''

Revision as of 10:42, 29 July 2008

Image:1rlg.png

Template:STRUCTURE 1rlg

Molecular basis of Box C/D RNA-protein interaction: co-crystal structure of the Archaeal sRNP intiation complex

Template:ABSTRACT PUBMED 15130473

About this Structure

1RLG is a Single protein structure of sequence from Archaeoglobus fulgidus. Full crystallographic information is available from OCA.

Reference

Molecular basis of box C/D RNA-protein interactions; cocrystal structure of archaeal L7Ae and a box C/D RNA., Moore T, Zhang Y, Fenley MO, Li H, Structure. 2004 May;12(5):807-18. PMID:15130473

Page seeded by OCA on Tue Jul 29 13:42:02 2008

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