Article
Escherichia coli B gamma-glutamylcysteine synthetase: modification, purification, crystallization and preliminary crystallographic analysis.
Acta crystallographica. Section D, Biological crystallography - 1 Feb 2002
Hibi Takao, Hisada Hiromoto, Nakatsu Toru, Kato Hiroaki, Oda Jun'ichi
Abstract excerpt
Escherichia coli B gamma-glutamylcysteine synthetase (gammaGCS) catalyzes the ATP-dependent coupling of L-Glu and L-Cys to form the glutathione precursor gamma-L-Glu-Cys and is a target for development of potential therapeutic agents. By introducing four point mutations of surface-exposed cysteine residues to serine, the gammaGCS was purified to homogeneity; single crystals have been obtained using the...
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