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Purification, crystallization and preliminary diffraction study of beta-galactosidase from Penicillium sp
K N Neustroev1, E A de Sousa, A M Golubev
1Petersburg Nuclear Physics Institute, Gatchina, St Petersburg, 188350, Russia.
Acta Crystallographica. Section D, Biological Crystallography
|October 29, 2000
Abstract:
Crystals of an extracellular beta-galactosidase from Penicillium sp. (MW = 120 +/- 5 kDa) have been obtained from a sodium phosphate buffer using PEG as precipitant. The crystals belong to the tetragonal space group P4(1)or P4(3), with unit-cell parameters a = b = 110.82, c = 161.28 A, and diffract to 1.85 A resolution at a synchrotron source.