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2pe8

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{{STRUCTURE_2pe8| PDB=2pe8 | SCENE= }}
{{STRUCTURE_2pe8| PDB=2pe8 | SCENE= }}
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'''Crystal structure of the UHM domain of human SPF45 (free form)'''
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===Crystal structure of the UHM domain of human SPF45 (free form)===
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==Overview==
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The U2AF-homology motif (UHM) mediates protein-protein interactions between factors involved in constitutive RNA splicing. Here we report that the splicing factor SPF45 regulates alternative splicing of the apoptosis regulatory gene FAS (also called CD95). The SPF45 UHM is necessary for this activity and binds UHM-ligand motifs (ULMs) present in the 3' splice site-recognizing factors U2AF65, SF1 and SF3b155. We describe a 2.1-A crystal structure of SPF45-UHM in complex with a ULM peptide from SF3b155. Features distinct from those of previously described UHM-ULM structures allowed the design of mutations in the SPF45 UHM that selectively impair binding to individual ULMs. Splicing assays using the ULM-selective SPF45 variants demonstrate that individual UHM-ULM interactions are required for FAS splicing regulation by SPF45 in vivo. Our data suggest that networks of UHM-ULM interactions are involved in regulating alternative splicing.
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{{ABSTRACT_PUBMED_17589525}}
==About this Structure==
==About this Structure==
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[[Category: Alternative splicing]]
[[Category: Alternative splicing]]
[[Category: Rrm]]
[[Category: Rrm]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 12:57:03 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 14:40:10 2008''

Revision as of 11:40, 27 July 2008

Image:2pe8.png

Template:STRUCTURE 2pe8

Crystal structure of the UHM domain of human SPF45 (free form)

Template:ABSTRACT PUBMED 17589525

About this Structure

2PE8 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

U2AF-homology motif interactions are required for alternative splicing regulation by SPF45., Corsini L, Bonnal S, Basquin J, Hothorn M, Scheffzek K, Valcarcel J, Sattler M, Nat Struct Mol Biol. 2007 Jul;14(7):620-9. Epub 2007 Jun 24. PMID:17589525

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