Article
Mutations in the PQBP1 gene prevent its interaction with the spliceosomal protein U5-15 kD.
Nature communications - 30 Apr 2014
Mizuguchi Mineyuki, Obita Takayuki, Serita Tomohito, Kojima Rieko, Nabeshima Yuko, Okazawa Hitoshi
Abstract excerpt
A loss-of-function of polyglutamine tract-binding protein 1 (PQBP1) induced by frameshift mutations is believed to cause X-linked mental retardation. However, the mechanism by which structural changes in PQBP1 lead to mental retardation is unknown. Here we present the crystal structure of a C-terminal fragment of PQBP1 in complex with the spliceosomal protein U5-15 kD. The U5-15 kD hydrophobic groove recognizes a...
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