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6.3.5.10: adenosylcobyric acid synthase (glutamine-hydrolysing)

This is an abbreviated version!
For detailed information about adenosylcobyric acid synthase (glutamine-hydrolysing), go to the full flat file.

Reaction

4 ATP +

adenosylcobyrinic acid a,c-diamide
+ 4 L-glutamine + 4 H2O = 4 ADP + 4 phosphate +
adenosylcobyric acid
+ 4 L-glutamate

Synonyms

5'-deoxy-5'-adenosylcobyrinic-acid-a,c-diamide:L-glutamine amido-ligase, Ado-cobyric acid synthase (glutamine hydrolyzing), CbiP, cobalamin biosynthesis aminotransferase, CobQ, cobyric acid synthase, cobyric acid synthetase, More

ECTree

     6 Ligases
         6.3 Forming carbon-nitrogen bonds
             6.3.5 Carbon-nitrogen ligases with glutamine as amido-N-donor
                6.3.5.10 adenosylcobyric acid synthase (glutamine-hydrolysing)

Systematic Name

Systematic Name on EC 6.3.5.10 - adenosylcobyric acid synthase (glutamine-hydrolysing)

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SYSTEMATIC NAME
IUBMB Comments
adenosylcobyrinic-acid-a,c-diamide:L-glutamine amido-ligase (ADP-forming)
Requires Mg2+. NH3 can act instead of glutamine. This enzyme catalyses the four-step amidation sequence from cobyrinic acid a,c-diamide to cobyric acid via the formation of cobyrinic acid triamide, tetraamide and pentaamide intermediates.