1g5v

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[[Image:1g5v.gif|left|200px]]
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{{Seed}}
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[[Image:1g5v.png|left|200px]]
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{{STRUCTURE_1g5v| PDB=1g5v | SCENE= }}
{{STRUCTURE_1g5v| PDB=1g5v | SCENE= }}
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'''SOLUTION STRUCTURE OF THE TUDOR DOMAIN OF THE HUMAN SMN PROTEIN'''
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===SOLUTION STRUCTURE OF THE TUDOR DOMAIN OF THE HUMAN SMN PROTEIN===
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==Overview==
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Spinal muscular atrophy (SMA) is a common motor neuron disease that results from mutations in the Survival of Motor Neuron (SMN) gene. The SMN protein plays a crucial role in the assembly of spliceosomal uridine-rich small nuclear ribonucleoprotein (U snRNP) complexes via binding to the spliceosomal Sm core proteins. SMN contains a central Tudor domain that facilitates the SMN-Sm protein interaction. A SMA-causing point mutation (E134K) within the SMN Tudor domain prevents Sm binding. Here, we have determined the three-dimensional structure of the Tudor domain of human SMN. The structure exhibits a conserved negatively charged surface that is shown to interact with the C-terminal Arg and Gly-rich tails of Sm proteins. The E134K mutation does not disrupt the Tudor structure but affects the charge distribution within this binding site. An intriguing structural similarity between the Tudor domain and the Sm proteins suggests the presence of an additional binding interface that resembles that in hetero-oligomeric complexes of Sm proteins. Our data provide a structural basis for a molecular defect underlying SMA.
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The line below this paragraph, {{ABSTRACT_PUBMED_11135666}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 11135666 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11135666}}
==Disease==
==Disease==
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==About this Structure==
==About this Structure==
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1G5V 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=1G5V OCA].
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1G5V 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=1G5V OCA].
==Reference==
==Reference==
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[[Category: Stier, G.]]
[[Category: Stier, G.]]
[[Category: Mrna processing]]
[[Category: Mrna processing]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:10:25 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 04:29:32 2008''

Revision as of 01:29, 1 July 2008

Image:1g5v.png

Template:STRUCTURE 1g5v

Contents

SOLUTION STRUCTURE OF THE TUDOR DOMAIN OF THE HUMAN SMN PROTEIN

Template:ABSTRACT PUBMED 11135666

Disease

Known disease associated with this structure: Spinal muscular atrophy-1 OMIM:[600354], Spinal muscular atrophy-2 OMIM:[600354], Spinal muscular atrophy-3 OMIM:[600354], Spinal muscular atrophy-4 OMIM:[600354]

About this Structure

1G5V is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

SMN tudor domain structure and its interaction with the Sm proteins., Selenko P, Sprangers R, Stier G, Buhler D, Fischer U, Sattler M, Nat Struct Biol. 2001 Jan;8(1):27-31. PMID:11135666

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