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Keywords: Rhodobacter capsulatus
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Articles

Mg-protoporphyrin IX monomethyl ester cyclase from Rhodobacter capsulatus : radical SAM-dependent synthesis of the isocyclic ring of bacteriochlorophylls

Milan Wiesselmann, Stefanie Hebecker, José M. Borrero-de Acuña, Manfred Nimtz, David Bollivar, Lothar Jänsch, Jürgen Moser, Dieter Jahn
Journal: Biochemical Journal
Biochem J (2020) 477 (23): 4635–4654.
https://doi.org/10.1042/BCJ20200761
Published: 11 December 2020
...) is catalyzed by the anaerobic Mg-PME cyclase termed BchE. Bioinformatics analyses in combination with pigment studies of cobalamin-requiring Rhodobacter capsulatus mutants indicated an unusual radical S-adenosylmethionine (SAM) and cobalamin-dependent BchE catalysis. However, in vitro biosynthesis...
View article titled, Mg-protoporphyrin IX monomethyl ester cyclase from <span class="search-highlight">Rhodobacter</span> <span class="search-highlight">capsulatus</span> : radical SAM-dependent synthesis of the isocyclic ring of bacteriochlorophylls
Open the PDF for Mg-protoporphyrin IX monomethyl ester cyclase from <span class="search-highlight">Rhodobacter</span> <span class="search-highlight">capsulatus</span> : radical SAM-dependent synthesis of the isocyclic ring of bacteriochlorophylls in another window
Includes: Supplementary data
Articles

S-Adenosyl-L-methionine:magnesium-protoporphyrin IX O-methyltransferase from Rhodobacter capsulatus: mechanistic insights and stimulation with phospholipids

Artur Sawicki, Robert D. Willows
Journal: Biochemical Journal
Biochem J (2007) 406 (3): 469–478.
https://doi.org/10.1042/BJ20070284
Published: 29 August 2007
...Artur Sawicki; Robert D. Willows The enzyme BchM ( S -adenosyl- L -methionine:magnesium-protoporphyrin IX O -methyltransferase) from Rhodobacter capsulatus catalyses an intermediate reaction in the bacteriochlorophyll biosynthetic pathway. Overexpression of His 6 -tagged protein in Escherichia coli...
View article titled, S-Adenosyl-L-methionine:magnesium-protoporphyrin IX O-methyltransferase from <span class="search-highlight">Rhodobacter</span> <span class="search-highlight">capsulatus</span>: mechanistic insights and stimulation with phospholipids
Open the PDF for S-Adenosyl-L-methionine:magnesium-protoporphyrin IX O-methyltransferase from <span class="search-highlight">Rhodobacter</span> <span class="search-highlight">capsulatus</span>: mechanistic insights and stimulation with phospholipids in another window
Includes: Supplementary data
Articles

ATPase activity associated with the magnesium chelatase H-subunit of the chlorophyll biosynthetic pathway is an artefact

Nick Sirijovski, Ulf Olsson, Joakim Lundqvist, Salam Al-Karadaghi, Robert D. Willows, Mats Hansson
Journal: Biochemical Journal
Biochem J (2006) 400 (3): 477–484.
https://doi.org/10.1042/BJ20061103
Published: 28 November 2006
... suggested two-stage mechanism of the reaction. In the present study, we demonstrate that gel filtration chromatography of affinity-purified Rhodobacter capsulatus H-subunit produced in Escherichia coli generates a high- and a low-molecular-mass fraction. Both fractions were dominated by the H-subunit...
View article titled, ATPase activity associated with the magnesium chelatase H-subunit of the chlorophyll biosynthetic pathway is an artefact
Open the PDF for ATPase activity associated with the magnesium chelatase H-subunit of the chlorophyll biosynthetic pathway is an artefact in another window