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J. Bacteriol., 07 1996, 4310-4312, Vol 178, No. 14
Copyright © 1996, American Society for Microbiology

Molybdenum cofactor biosynthesis in Escherichia coli mod and mog mutants

MS Joshi, JL Johnson and KV Rajagopalan
Department of Biochemistry, Duke University Medical Center, Durham, North Carolina 27710, USA.

The molybdopterin content of Escherichia coli mod and mog mutants was estimated by conversion to the form A derivative. The results are in accord with complete phenotypic repair of mod, and incomplete repair of mog, by culture in high concentrations of molybdate. A possible role for Mog as a molybdochelatase is discussed.


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