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Information on EC - [butirosin acyl-carrier protein]-L-glutamate ligase

for references in articles please use BRENDA:EC6.2.1.39
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IUBMB Comments
Catalyses two steps in the biosynthesis of the side chain of the aminoglycoside antibiotics of the butirosin family. The enzyme adds one molecule of L-glutamate to a dedicated acyl-carrier protein, and following decarboxylation of the product by EC, L-glutamyl-[BtrI acyl-carrier protein] decarboxylase, adds a second L-glutamate molecule. Requires Mg2+ or Mn2+, and activity is enhanced in the presence of Mn2+.
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The expected taxonomic range for this enzyme is: Bacillus circulans
BtrJ, [BtrI acyl-carrier protein]L-glutamate ligase, more
ATP + L-glutamate + 4-amino butanoyl-[BtrI acyl-carrier protein] = ADP + phosphate + 4-(gamma-L-glutamylamino)butanoyl-[BtrI acyl-carrier protein]
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ATP + L-glutamate + BtrI acyl-carrier protein = ADP + phosphate + L-glutamyl-[BtrI acyl-carrier protein]
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