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  • Title: Crystallization and preliminary X-ray crystallographic studies of the thermoactive pullulanase type I, hydrolyzing alpha-1,6 glycosidic linkages, from Fervidobacterium pennivorans Ven5.
    Author: Lebbink JH, Bertoldo C, Tibbelin G, Andersen JT, Duffner F, Antranikian G, Ladenstein R.
    Journal: Acta Crystallogr D Biol Crystallogr; 2000 Nov; 56(Pt 11):1470-2. PubMed ID: 11053856.
    Abstract:
    Crystals of the thermoactive recombinant F. pennivorans type I pullulanase, purified from the supernatant of a Bacillus subtilis culture, have been obtained by the vapour-diffusion method in the presence of the inhibitor beta-cyclodextrin (2 mM) by mixing protein (15 mg ml(-1)) with an equal volume of crystallization solution containing 0.1 M bis-tris propane pH 6.5, 50 mM MgCl(2) and 15% polyethylene glycol 3350. Crystals diffracted to 3.0 A using conventional Cu Kalpha radiation and belong to space group P2(1)2(1)2(1), with unit-cell parameters a = 76.8, b = 96.2, c = 98. 5 A. The asymmetric unit contains one monomer. A preliminary 26% complete data set has been collected at 2.2 A resolution using synchrotron radiation.
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