6.3.5.9 | 2 ATP + hydrogenobyrinic acid + 2 L-glutamine + 2 H2O = 2 ADP + 2 phosphate + hydrogenobyrinic acid a,c-diamide + 2 L-glutamate |
This step in the aerobic biosynthesis of cobalamin generates hydrogenobyrinic acid a,c-diamide, the substrate required by EC 6.6.1.2, cobaltochelatase, which adds cobalt to the macrocycle |
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