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EC 6.3.2.35 Details
EC number
6.3.2.35
Accepted name
D-alanine—D-serine ligase
Reaction
D-alanine + D-serine + ATP = D-alanyl-D-serine + ADP + phosphate
Other name(s)
VanC, VanE, VanG
Systematic name
D-alanine:D-serine ligase (ADP-forming)
Comment
The product of this enzyme, D-alanyl-D-serine, can be incorporated into the peptidoglycan pentapeptide instead of the usual D-alanyl-D-alanine dipeptide, which is formed by EC 6.3.2.4, D-alanine—D-alanine ligase. The resulting peptidoglycan does not bind the glycopeptide antibiotics vancomycin and teicoplanin, conferring resistance on the bacteria.
History
created 2010
EC Tree
2.5.1.12 created 1972, deleted 1976
2.5.1.13 created 1972, deleted 1976
2.5.1.14 created 1972, deleted 1976
2.5.1.37 created 1989, deleted 2004
2.5.1.40 created 1992, deleted 1999