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Published April 1, 1996 | public
Journal Article Open

Characterization and nucleotide sequence of pqqE and pqqF in Methylobacterium extorquens AM1


Methylobacterium extorquens AM1 pqqEF are genes required for synthesis of pyrroloquinoline quinone (PQQ). The nucleotide sequence of these genes indicates PqqE belongs to an endopeptidase family, including PqqF of Klebsiella pneumoniae, and M. extorquens AM1 PqqF has low identity with the same endopeptidase family. M. extorquens AM1 pqqE complemented a K. pneumoniae pqqF mutant.

Additional Information

Copyright © 1996, American Society for Microbiology Received 16 November 1995/Accepted 24 January 1996 This work was supported by a grant from the Department of Energy (DEF03-87ER13757). We thank P. W. Postma for providing K. pneumoniae KA216 and for advice on the indicator medium.


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