2adb: Difference between revisions
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'''Solution structure of Polypyrimidine Tract Binding protein RBD2 complexed with CUCUCU RNA''' | '''Solution structure of Polypyrimidine Tract Binding protein RBD2 complexed with CUCUCU RNA''' | ||
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[[Category: Reymond, L.]] | [[Category: Reymond, L.]] | ||
[[Category: Wenter, P.]] | [[Category: Wenter, P.]] | ||
[[Category: | [[Category: Protein-rna complex]] | ||
[[Category: | [[Category: Rbd]] | ||
[[Category: | [[Category: Rrm]] | ||
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Revision as of 18:54, 3 May 2008
Solution structure of Polypyrimidine Tract Binding protein RBD2 complexed with CUCUCU RNA
OverviewOverview
The polypyrimidine tract binding protein (PTB) is a 58-kilodalton RNA binding protein involved in multiple aspects of messenger RNA metabolism, including the repression of alternative exons. We have determined the solution structures of the four RNA binding domains (RBDs) of PTB, each bound to a CUCUCU oligonucleotide. Each RBD binds RNA with a different binding specificity. RBD3 and RBD4 interact, resulting in an antiparallel orientation of their bound RNAs. Thus, PTB will induce RNA looping when bound to two separated pyrimidine tracts within the same RNA. This leads to structural models for how PTB functions as an alternative-splicing repressor.
About this StructureAbout this Structure
2ADB is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
ReferenceReference
Structure of PTB bound to RNA: specific binding and implications for splicing regulation., Oberstrass FC, Auweter SD, Erat M, Hargous Y, Henning A, Wenter P, Reymond L, Amir-Ahmady B, Pitsch S, Black DL, Allain FH, Science. 2005 Sep 23;309(5743):2054-7. PMID:16179478 Page seeded by OCA on Sat May 3 18:54:11 2008