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EC 6.3.2.45 Details
EC number
6.3.2.45
Accepted name
UDP-N-acetylmuramate—L-alanyl-γ-D-glutamyl-meso-2,6-diaminoheptanedioate ligase
Reaction
ATP + UDP-N-acetyl-α-D-muramate + L-alanyl-γ-D-glutamyl-meso-2,6-diaminoheptanedioate = ADP + phosphate + UDP-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminoheptanedioate
Other name(s)
murein peptide ligase, Mpl, yjfG (gene name), UDP-MurNAc:L-Ala-γ-D-Glu-meso-A2pm ligase, UDP-N-acetylmuramate:L-alanyl-γ-D-glutamyl-meso-diaminopimelate ligase
Systematic name
UDP-N-acetylmuramate:L-alanyl-γ-D-glutamyl-meso-2,6-diaminoheptanedioate ligase2015
Comment
The enzyme catalyses the reincorporation into peptidoglycan of the tripeptide L-alanyl-γ-D-glutamyl-2,6-meso-diaminoheptanedioate released during the maturation and constant remodeling of this bacterial cell wall polymer that occur during cell growth and division. The enzyme can also use the tetrapeptide L-alanyl-γ-D-glutamyl-meso-2,6-diaminoheptanedioyl-D-alanine or the pentapeptide L-alanyl-γ-D-glutamyl-meso-2,6-diaminoheptanedioyl-D-alanyl-D-alanine in vivo and in vitro. Requires Mg2+.
History
created 2014
EC Tree
1.1.1.68 created 1965, deleted 1978 [transferred to EC 1.1.99.15, deleted 1980]
1.1.1.70 created 1965, deleted 1978
1.1.1.74 created 1972, deleted 1976
1.1.1.89 created 1972, deleted 1976
1.1.1.109 created 1972, deleted 1976
1.1.1.139 created 1972, deleted 1978
1.1.1.155 created 1976, deleted 2004
1.1.1.171 created 1978, deleted 1984
1.1.1.180 created 1983, deleted 1984
1.1.1.182 created 1983, deleted 1990
1.1.1.204 created 1972 as EC 1.2.1.37, transferred 1984 to EC 1.1.1.204, modified 1989, deleted 2004
1.1.1.242 created 1992, deleted 2001
1.1.1.249 provisional version created 1999, deleted 1999 (reinstated 2001 as EC 2.5.1.46)
1.1.1.253 created 1999, deleted 2003