Cytochrome P450 monooxygenases are recognized as versatile biocatalysts due to their broad reaction capabilities. One important reaction is the hydroxylation of non-activated C-H bonds. The subfamily CYP153A is known for terminal hydroxylation reactions, giving access to functionalized aliphatics.
View Article and Find Full Text PDFUnlabelled: Phosphatidylcholine (PC) is critical for the nitrogen-fixing symbiosis between rhizobia and legumes. We characterized three PC biosynthesis pathways in and evaluated their impact on nitrogen fixation in clover nodules. In the presence of choline, a PC synthase catalyzes the condensation of cytidine diphosphate-diacylglycerol with choline to produce PC.
View Article and Find Full Text PDFCytochrome P450 monooxygenases (CYPs) are valuable biocatalysts for the oxyfunctionalization of non-activated carbon-hydrogen bonds. Most CYPs rely on electron transport proteins as redox partners. In this study, the ferredoxin reductase (FdR) and ferredoxin (FD) for a cytochrome P450 monooxygenase from Acinetobacter sp.
View Article and Find Full Text PDFOne of the most common pathways for the biosynthesis of the phospholipid phosphatidylcholine (PC) in bacteria is the successive 3-fold -methylation of phosphatidylethanolamine (PE) catalyzed by phospholipid -methyltransferases (Pmts). Pmts with different activities have been described in a number of mesophilic bacteria. In the present study, we identified and characterized the substrate and product spectra of four Pmts from thermophilic bacteria.
View Article and Find Full Text PDF