THE MECHANISM OF ESCHERICHIA-COLI DETHIOBIOTIN SYNTHETASE - THE CLOSURE OF THE UREIDO RING OF DETHIOBIOTIN INVOLVES FORMATION OF A CARBAMIC-PHOSPHATE MIXED ANHYDRIDE
The final intermediate in the enzymatic synthesis of the ureido ring of D-dethiobiotin 1 from (7R,8S)-7,8-diaminononanoate 2 catalysed by E. coli dethiobiotin synthetase is the phosphoric acid anhydride 4 of the carbamate 3.