Article
The Fe/S cluster assembly protein Isd11 is essential for tRNA thiolation in Trypanosoma brucei.
The Journal of biological chemistry - 16 Jul 2010
Paris Zdenek, Changmai Piya, Rubio Mary Anne T, Zíková Alena, Stuart Kenneth D, Alfonzo Juan D, Lukes Julius
Abstract excerpt
Fe/S clusters are part of the active site of many enzymes and are essential for cell viability. In eukaryotes the cysteine desulfurase Nfs (IscS) donates the sulfur during Fe/S cluster assembly and was thought sufficient for this reaction. Moreover, Nfs is indispensable for tRNA thiolation, a modification generally required for tRNA function and protein synthesis. Recently, Isd11 was discovered as an integral...
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