Article
Detection of the in vivo incorporation of a metal cluster into a protein. The FeMo cofactor is inserted into the FeFe protein of the alternative nitrogenase of Rhodobacter capsulatus.
European journal of biochemistry - 1 Jul 1993
Gollan U, Schneider K, Müller A, Schüddekopf K, Klipp W
Abstract excerpt
The photosynthetic bacterium Rhodobacter capsulatus has, in addition to the Mo nitrogenase, a second Mo-independent nitrogen-fixing system, an 'iron-only' nitrogenase which is strongly repressed by molybdate. The MoO4(2-) concentration causing 50% repression of the alternative nitrogenase in nifHDK- cells was 6 nM. If MoO4(2-) was added to a growing nifHDK- culture which had already expressed the alternative...
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