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molybdenum cofactor cytidylyltransferase Members of this protein include MocA, which transfers cytosine from CTP to molybdopterin during molybdopterin cytosine dinucleotide (MCD) cofactor biosynthesis. It is distantly related to MobA, the GTP:molybdopterin guanylyltransferase. The MocA family is particularly closely related in phylogenetic distribution to other markers of selenium-dependent molybdenum hydroxylases (SDMH), suggesting most SDMH must use MCD rather than molybdopterin guanine dinucleotide. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",