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Cloning, expression, purification and preliminary crystallographic studies of the adenylate/uridylate-rich element-binding protein HuR complexed with its target RNA.


ABSTRACT: Adenylate/uridylate-rich elements (AREs), which are found in the 3'-untranslated region (UTR) of many mRNAs, influence the stability of cytoplasmic mRNA. HuR (human antigen R) binds to AREs and regulates various genes. In order to reveal the RNA-recognition mechanism of HuR protein, an RNA-binding region of human HuR containing two N-terminal RNA-recognition motif domains bound to an 11-base RNA fragment has been crystallized. The crystals belonged to space group P2(1)2(1)2(1), with unit-cell parameters a = 42.4, b = 44.9, c = 91.1 A. X-ray diffraction data were collected to 1.8 A resolution.

SUBMITTER: Iyaguchi D 

PROVIDER: S-EPMC2650458 | biostudies-literature | 2009 Mar

REPOSITORIES: biostudies-literature

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Cloning, expression, purification and preliminary crystallographic studies of the adenylate/uridylate-rich element-binding protein HuR complexed with its target RNA.

Iyaguchi Daisuke D   Yao Min M   Tanaka Isao I   Toyota Eiko E  

Acta crystallographica. Section F, Structural biology and crystallization communications 20090226 Pt 3


Adenylate/uridylate-rich elements (AREs), which are found in the 3'-untranslated region (UTR) of many mRNAs, influence the stability of cytoplasmic mRNA. HuR (human antigen R) binds to AREs and regulates various genes. In order to reveal the RNA-recognition mechanism of HuR protein, an RNA-binding region of human HuR containing two N-terminal RNA-recognition motif domains bound to an 11-base RNA fragment has been crystallized. The crystals belonged to space group P2(1)2(1)2(1), with unit-cell pa  ...[more]

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