1u9s

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(New page: 200px<br /><applet load="1u9s" size="450" color="white" frame="true" align="right" spinBox="true" caption="1u9s, resolution 2.90&Aring;" /> '''Crystal structure of...)
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[[Image:1u9s.gif|left|200px]]<br /><applet load="1u9s" size="450" color="white" frame="true" align="right" spinBox="true"
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[[Image:1u9s.gif|left|200px]]<br /><applet load="1u9s" size="350" color="white" frame="true" align="right" spinBox="true"
caption="1u9s, resolution 2.90&Aring;" />
caption="1u9s, resolution 2.90&Aring;" />
'''Crystal structure of the specificity domain of Ribonuclease P of the A-type'''<br />
'''Crystal structure of the specificity domain of Ribonuclease P of the A-type'''<br />
==Overview==
==Overview==
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Large RNA molecules, such as ribozymes, fold with well-defined tertiary, structures that are important for their activity. There are many instances, of ribozymes with identical function but differences in their secondary, structures, suggesting alternative tertiary folds. Here, we report a, crystal structure of the 161-nucleotide specificity domain of an A-type, ribonuclease P that differs in secondary and tertiary structure from the, specificity domain of a B-type molecule. Despite the differences, the, cores of the domains have similar three-dimensional structure. Remarkably, the similar geometry of the cores is stabilized by a different set of, interactions involving distinct auxiliary elements.
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Large RNA molecules, such as ribozymes, fold with well-defined tertiary structures that are important for their activity. There are many instances of ribozymes with identical function but differences in their secondary structures, suggesting alternative tertiary folds. Here, we report a crystal structure of the 161-nucleotide specificity domain of an A-type ribonuclease P that differs in secondary and tertiary structure from the specificity domain of a B-type molecule. Despite the differences, the cores of the domains have similar three-dimensional structure. Remarkably, the similar geometry of the cores is stabilized by a different set of interactions involving distinct auxiliary elements.
==About this Structure==
==About this Structure==
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1U9S is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/ ] with BA as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1U9S OCA].
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1U9S is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/ ] with <scene name='pdbligand=BA:'>BA</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U9S OCA].
==Reference==
==Reference==
Basis for structural diversity in homologous RNAs., Krasilnikov AS, Xiao Y, Pan T, Mondragon A, Science. 2004 Oct 1;306(5693):104-7. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=15459389 15459389]
Basis for structural diversity in homologous RNAs., Krasilnikov AS, Xiao Y, Pan T, Mondragon A, Science. 2004 Oct 1;306(5693):104-7. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=15459389 15459389]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: Krasilnikov, A.S.]]
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[[Category: Krasilnikov, A S.]]
[[Category: Mondragon, A.]]
[[Category: Mondragon, A.]]
[[Category: Pan, T.]]
[[Category: Pan, T.]]
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[[Category: trna]]
[[Category: trna]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Sun Nov 25 03:35:20 2007''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 15:22:08 2008''

Revision as of 13:22, 21 February 2008


1u9s, resolution 2.90Å

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Crystal structure of the specificity domain of Ribonuclease P of the A-type

Overview

Large RNA molecules, such as ribozymes, fold with well-defined tertiary structures that are important for their activity. There are many instances of ribozymes with identical function but differences in their secondary structures, suggesting alternative tertiary folds. Here, we report a crystal structure of the 161-nucleotide specificity domain of an A-type ribonuclease P that differs in secondary and tertiary structure from the specificity domain of a B-type molecule. Despite the differences, the cores of the domains have similar three-dimensional structure. Remarkably, the similar geometry of the cores is stabilized by a different set of interactions involving distinct auxiliary elements.

About this Structure

1U9S is a Single protein structure of sequence from [1] with as ligand. Full crystallographic information is available from OCA.

Reference

Basis for structural diversity in homologous RNAs., Krasilnikov AS, Xiao Y, Pan T, Mondragon A, Science. 2004 Oct 1;306(5693):104-7. PMID:15459389

Page seeded by OCA on Thu Feb 21 15:22:08 2008

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