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Crystallization and preliminary X-ray analysis of a bifunctional catalase-phenol oxidase from Scytalidium thermophilum
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Date
2009-05-01
Author
Kocabas, Didem Sutay
Pearson, Arwen R.
Phillips, Simon E. V.
Bakir, Ufuk
Ögel, Zümrüt Begüm
McPherson, Michael J.
Trinh, Chi H.
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Catalase-phenol oxidase from Scytalidium thermophilum is a bifunctional enzyme: its major activity is the catalase-mediated decomposition of hydrogen peroxide, but it also catalyzes phenol oxidation. To understand the structural basis of this dual functionality, the enzyme, which has been shown to be a tetramer in solution, has been purified by anion-exchange and gel-filtration chromatography and has been crystallized using the hanging-drop vapour-diffusion technique. Streak-seeding was used to obtain larger crystals suitable for X-ray analysis. Diffraction data were collected to 2.8 angstrom resolution at the Daresbury Synchrotron Radiation Source. The crystals belonged to space group P2(1) and contained one tetramer per asymmetric unit.
Subject Keywords
Penicillium-vitale
,
Purification
URI
https://hdl.handle.net/11511/51550
Journal
ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY AND CRYSTALLIZATION COMMUNICATIONS
DOI
https://doi.org/10.1107/s1744309109012007
Collections
Graduate School of Natural and Applied Sciences, Article