PMID: 2113534Jul 5, 1990Paper

Crystallization and preliminary X-ray investigation of lipoxygenase 1 from soybeans.

The Journal of Biological Chemistry
J SteczkoB Axelrod

Abstract

Soybean lipoxygenase 1 has been crystallized by the vapor diffusion method in 8-10% polyethylene glycol (average Mr 3400), 0.2 M sodium acetate buffer, pH 5.2-5.6, at a protein concentration of 6-12 mg/ml. Microseeding was employed to obtain growth of large single crystals. The crystals, which diffract to at least 2.2-A spacings, are monoclinic and of space group P2(1). Cell constants are: a = 95.4, b = 94.2, and c = 50.4 A and beta = 91.4 degrees. The calculated value of Vm (2.41 A3/Da) is consistent with the probable presence of one molecule of lipoxygenase/crystallographic asymmetric unit (Z = 2).

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