Abstract
Xanthophyllomyces dendrorhous invertase is an extracellular enzyme that releases β-fructose from the nonreducing termini of various β-D-fructofuranoside substrates. Its ability to produce neokestose by transglycosylation makes this enzyme an interesting research target for applications in industrial biotechnology. The native enzyme, which is highly glycosylated, failed to crystallize. Therefore, it was submitted to EndoH deglycosylating treatment and crystals were grown by vapour-diffusion methods. The crystals belonged to space group P2(1)2(1)2, with unit-cell parameters a = 75.29, b = 204.93, c = 146.25 Å. Several diffraction data sets were collected using a synchrotron source. Self-rotation function and gel-filtration experiments suggested that the enzyme is a dimer with twofold symmetry.
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More From: Acta crystallographica. Section F, Structural biology and crystallization communications
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