Functional interactions between polypyrimidine tract binding protein and PRI peptide ligand containing proteins.
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Peer-reviewed
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Abstract
Polypyrimidine tract binding protein (PTBP1) is a heterogeneous nuclear ribonucleoprotein (hnRNP) that plays roles in most stages of the life-cycle of pre-mRNA and mRNAs in the nucleus and cytoplasm. PTBP1 has four RNA binding domains of the RNA recognition motif (RRM) family, each of which can bind to pyrimidine motifs. In addition, RRM2 can interact via its dorsal surface with proteins containing short peptide ligands known as PTB RRM2 interacting (PRI) motifs, originally found in the protein Raver1. Here we review our recent progress in understanding the interactions of PTB with RNA and with various proteins containing PRI ligands.
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Keywords
Matrin3, PTB, RNA, alternative splicing, heterogeneous nuclear ribonucleoprotein (hnRNP), polypyrimidine tract binding protein
Journal Title
Biochemical Society Transactions
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0300-5127
1470-8752
1470-8752
Volume Title
44
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Portland Press, Ltd.
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Biotechnology and Biological Sciences Research Council (BB/H004203/1)
Medical Research Council (MR/M026302/1)
Wellcome Trust (092900/Z/10/Z)
Medical Research Council (MR/M026302/1)
Wellcome Trust (092900/Z/10/Z)
This work was supported by the Biotechnology and Biological Sciences Research Council [grant number BB/H004203/1 (to C.W.J.S.)]; the Wellcome Trust [grant number 092900 (to C.W.J.S.)]; the Boehringer Ingelheim Fond (to J.A.); the Medical Research Council [grant number MR/M026302/1 (to D.B.A. and D.E.V.P.)]; the Fundação de Amparo à Pesquisa do Estado de Minas Gerais [grant number MR/M026302/1 (to D.B.A. and D.E.V.P.)]; and the National Health and Medical Research Council CJ Martin Fellowship [grant number APP1072476 (to D.B.A.)].