1hd0: Difference between revisions

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[[Image:1hd0.gif|left|200px]]
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[[Image:1hd0.png|left|200px]]


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{{STRUCTURE_1hd0|  PDB=1hd0  |  SCENE=  }}  
{{STRUCTURE_1hd0|  PDB=1hd0  |  SCENE=  }}  


'''HETEROGENEOUS NUCLEAR RIBONUCLEOPROTEIN D0 (HNRNP D0 RBD1), NMR'''
===HETEROGENEOUS NUCLEAR RIBONUCLEOPROTEIN D0 (HNRNP D0 RBD1), NMR===




==Overview==
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Heterogeneous nuclear ribonucleoprotein (hnRNP) D0 has two ribonucleoprotein (RNP)-type RNA-binding domains (RBDs), each of which can bind solely to the UUAG sequence specifically. The structure of the N-terminal RBD (RBD1) determined by NMR is presented here. It folds into a compact alphabeta structure comprising a four-stranded antiparallel beta-sheet packed against two alpha-helices, which is characteristic of the RNP-type RBDs. Special structural features of RBD1 include N-capping boxes for both alpha-helices, a beta-bulge in the second beta-strand, and an additional short antiparallel beta-sheet coupled with a beta-turn-like structure in a loop. Two hydrogen bonds which restrict the positions of loops were identified. Backbone resonance assignments for RBD1 complexed with r(UUAGGG) revealed that the overall folding is maintained in the complex. The candidate residues involved in the interactions with RNA were identified by chemical shift perturbation analysis. They are located in the central and peripheral regions of the RNA-binding surface composed of the four-stranded beta-sheet, loops, and the C-terminal region. It is suggested that non-specific interactions with RNA are performed by the residues in the central region of the RNA-binding surface, while specific interactions are performed by those in the peripheral regions. It was also found that RBD1 has the ability to inhibit the formation of the quadruplex structure.
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{{ABSTRACT_PUBMED_10080887}}


==About this Structure==
==About this Structure==
1HD0 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HD0 OCA].  
1HD0 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HD0 OCA].  


==Reference==
==Reference==
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[[Category: Yanagida, Y.]]
[[Category: Yanagida, Y.]]
[[Category: Rna-binding domain]]
[[Category: Rna-binding domain]]
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Revision as of 05:00, 1 July 2008

File:1hd0.png

Template:STRUCTURE 1hd0

HETEROGENEOUS NUCLEAR RIBONUCLEOPROTEIN D0 (HNRNP D0 RBD1), NMR

Template:ABSTRACT PUBMED 10080887

About this Structure

1HD0 is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

Structure and interactions with RNA of the N-terminal UUAG-specific RNA-binding domain of hnRNP D0., Nagata T, Kurihara Y, Matsuda G, Saeki J, Kohno T, Yanagida Y, Ishikawa F, Uesugi S, Katahira M, J Mol Biol. 1999 Mar 26;287(2):221-37. PMID:10080887

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