Article
A glycine hinge for tRNA-dependent translocation of editing substrates to prevent errors by leucyl-tRNA synthetase.
FEBS letters - 3 Nov 2009
Mascarenhas Anjali P, Martinis Susan A
Abstract excerpt
Aminoacyl-tRNA synthetases often rely on a proofreading mechanism to clear mischarging errors before they can be incorporated into newly synthesized proteins. Leucyl-tRNA synthetase (LeuRS) houses a hydrolytic editing pocket in a domain that is distinct from its aminoacylation domain. Mischarged amino acids are transiently translocated approximately 30A between active sites for editing by an unknown...
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