Crystallization and preliminary X-ray diffraction studies of a protective cloned 28 kDa glutathione S-transferase from Schistosoma mansoni
- PMID: 1560466
- DOI: 10.1016/0022-2836(92)91013-f
Crystallization and preliminary X-ray diffraction studies of a protective cloned 28 kDa glutathione S-transferase from Schistosoma mansoni
Abstract
Crystals of the recombinant 28 kDa glutathione S-transferase from Schistosoma mansoni have been obtained by the hanging-drop method of vapor diffusion from ammonium sulfate solutions. The successful crystallization of this enzyme required the presence of a reducing agent and S-hexylglutathione. The crystals belong to the cubic space group P4(1)32 (or P4(3)32), with unit cell dimensions a = 122.6 A and contain one molecule in the asymmetric unit. The crystals diffract to at least 2.8 A resolution and are suitable for X-ray crystallographic structure analysis.
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