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Class II aminoacyl-tRNA synthetases aminoacylate the 3'OH of their cognate tRNAs. | Class II aminoacyl-tRNA synthetases aminoacylate the 3'OH of their cognate tRNAs. | ||
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== Mechanism == | == Mechanism == | ||
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<Structure load='1KMM' name='HisRS' size='500' frame='true' align='left' caption='Histidyl-tRNA Synthetase Complexed with Histidyl-Adenylate'> | <Structure load='1KMM' name='HisRS' size='500' frame='true' align='left' caption='Histidyl-tRNA Synthetase Complexed with Histidyl-Adenylate'> | ||
Revision as of 02:22, 11 April 2012
Histidyl-tRNA Synthetase
Histidyl tRNA Synthetase (HisRS) is a 94kD homodimer that belongs to the Class II of aminoacyl-tRNA synthetases (aaRS). Class II enzymes have a composed of anti-parallel β-sheets and α-helices (residues 1-325).
Function and Catalysis
Class II aminoacyl-tRNA synthetases aminoacylate the 3'OH of their cognate tRNAs.
Mechanism
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