Tags: Enzyme.
In enzymology an UDP-N-acetylmuramoyl-tripeptide—D-alanyl-D-alanine ligase (EC 6.3.2.10) is an enzyme that catalyzes the chemical reactionATP + UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-L-lysine + D-alanyl-D-alanine ADP + phosphate + UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-L-lysyl-D-alanyl-D- alanineThe 3 substrates of this enzyme are ATP UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-L-lysine and D-alanyl-D-alanine whereas its 4 products are ADP phosphate UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-L-lysyl-D-alanyl-D- and alanine.This enzyme belongs to the family of ligases specifically those forming carbon-nitrogen bonds as acid-D-amino-acid ligases (peptide synthases).