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A yedU gene product with a molecular mass of 31 kDa is a hypothetical protein with no known function. The protein was purified and crystallized at 296 K. X-ray diffraction data have been collected to 2.3 A using synchrotron radiation. The crystals belong to the primitive orthorhombic system, with...
IscS is a widely distributed cysteine desulfurase that catalyzes the pyridoxal phosphate dependent -elimination of sulfur from L-cysteine and plays a central role in the delivery of sulfur to a variety of metabolic pathways. Crystals of Escherichia coli IscS have been obtained by the hanging-drop...
High-salt crystals of human oxy- and deoxyhaemoglobin have been studied at different levels of environmental humidity and solvent content. The structure of the oxy form remains relatively unchanged at all levels. The deoxy form, however, undergoes a water-mediated transformation when the relative...