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Crystallization and preliminary X‐ray diffraction study of BchU, a methyltransferase from Chlorobium tepidum involved in bacteriochlorophyll c biosynthesis

Crystallization and preliminary X‐ray diffraction study of BchU, a methyltransferase from... The S‐adenosylmethionine‐dependent methyltransferase BchU is an enzyme involved in the bacteriochlorophyll c biosynthetic pathway and catalyzes methylation at the C‐20 position of the chlorin moiety. Recombinant Chlorobium tepidum BchU overproduced in Escherichia coli was purified and crystallized by the hanging‐drop vapour‐diffusion method using ammonium sulfate as a precipitant. The crystals belonged to the hexagonal space group P6122 or P6522, with unit‐cell parameters a = b = 81.5, c = 250.7 Å. A native data set was collected to 2.27 Å resolution using synchrotron radiation at SPring‐8. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section F Wiley

Crystallization and preliminary X‐ray diffraction study of BchU, a methyltransferase from Chlorobium tepidum involved in bacteriochlorophyll c biosynthesis

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References (13)

Publisher
Wiley
Copyright
Copyright © 2005 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1744-3091
eISSN
1744-3091
DOI
10.1107/S1744309105019093
pmid
16511137
Publisher site
See Article on Publisher Site

Abstract

The S‐adenosylmethionine‐dependent methyltransferase BchU is an enzyme involved in the bacteriochlorophyll c biosynthetic pathway and catalyzes methylation at the C‐20 position of the chlorin moiety. Recombinant Chlorobium tepidum BchU overproduced in Escherichia coli was purified and crystallized by the hanging‐drop vapour‐diffusion method using ammonium sulfate as a precipitant. The crystals belonged to the hexagonal space group P6122 or P6522, with unit‐cell parameters a = b = 81.5, c = 250.7 Å. A native data set was collected to 2.27 Å resolution using synchrotron radiation at SPring‐8.

Journal

Acta Crystallographica Section FWiley

Published: Jul 1, 2005

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