nebramycin 5' synthase

UniProtKB accession:  Q70IY1

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UniProtKB description:  TobZ is involved in the biosynthesis of the 2-deoxystreptamine-containing aminoglycoside antibiotics such as nebramycin 5 and 6-O-carbamoylkanamycin. Catalyzes the hydrolysis of carbamoyl phosphate and its subsequent adenylation by ATP to yield O-carbamoyladenylate. Then it catalyzes the transfer of the carbamoyl moiety from O-carbamoyladenylate to the tobramycin 6-hydroxy group to yield nebramycin 5'. It catalyzes the same reaction with kanamycin A. These reactions are considerably slower in the presence of deoxy-ATP.