N-acetyl-beta-D-glucosamine 6-phosphate + (R)-lactate => N-acetyl-beta-D-muramate 6-phosphate + H2O
n-acetyl-beta-d-glucosamine 6-phosphate + (r)-lactate => n-acetyl-beta-d-muramate 6-phosphate + h2o
N-acetyl-beta-D-glucosamine 6-phosphate + (R)-lactate => N-acetyl-beta-D-muramate 6-phosphate + H2O
n-acetyl-beta-d-glucosamine 6-phosphate + (r)-lactate => n-acetyl-beta-d-muramate 6-phosphate + h2o