. "The substrate is either imported from the medium or derived from the bacterium's own cell wall murein during cell wall recycling." . "This enzyme, along with EC 2.7.1.170, is required for the utilization of anhydro-N-acetylmuramic acid in proteobacteria." . . . "N-acetylmuramic acid 6-phosphate etherase" . "MurNAc-6-P etherase" . . "(R)-lactate + N-acetyl-D-glucosamine 6-phosphate = N-acetylmuramate 6-phosphate + H(2)O." .