Article
The H/ACA RNP assembly factor SHQ1 functions as an RNA mimic.
Genes & development - 15 Nov 2011
Walbott Hélène, Machado-Pinilla Rosario, Liger Dominique, Blaud Magali, Réty Stéphane, Grozdanov Petar N, Godin Kate, van Tilbeurgh Herman, Varani Gabriele, Meier U Thomas, Leulliot Nicolas
Abstract excerpt
SHQ1 is an essential assembly factor for H/ACA ribonucleoproteins (RNPs) required for ribosome biogenesis, pre-mRNA splicing, and telomere maintenance. SHQ1 binds dyskerin/NAP57, the catalytic subunit of human H/ACA RNPs, and this interaction is modulated by mutations causing X-linked dyskeratosis congenita. We report the crystal structure of the C-terminal domain of yeast SHQ1, Shq1p, and its complex with yeast...
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