Menaquinone and ubiquinone

Ubiquinone/menaquinone biosynthesis methyltransferase ubiE (RefSeq)
ubiquinone biosynthesis protein, putative 2-polyprenylphenol 6-hydroxylase (RefSeq)
2-octaprenyl-6-methoxyphenol hydroxylase (FAD-dependent oxidoreductase) (RefSeq)
putative ubiquinone biosynthesis hydroxylase/monooxygenase (RefSeq)
putative UbiG: ubiquinone biosynthesis O-methyltransferase (RefSeq)
p-hydroxybenzoate octaprenyltransferase (RefSeq)