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crystallization papers
Crystals of 1,5-α-arabinanase A from Pseudomonas fluorescens subspecies cellulosa have been obtained by vapour diffusion. The crystals belong to the space group P6122 with unit-cell parameters a = b = 91.6, c = 179.4 Å with one molecule in the asymmetric unit. The native crystals and, to a much greater extent, heavy-atom soaked crystals are sensitive to radiation which necessitates cryocooling. Suitable cryocooling conditions have been established, though a shrinkage of the unit cell is observed, with a = b = 88.8 and c = 176.9 Å.
Keywords: 1,5-α-arabinanase A (P. fluorescens).