Release of D-alanyl-D-alanine from the precursor of the cell wall peptidoglycan by a peptidase of Escherichia coli K 12.

Alanine Carbon Radioisotopes Cell Wall/analysis Chromatography, DEAE-Cellulose Chromatography, Gel Dipeptides/isolation & purification,metabolism Endopeptidases/isolation & purification,metabolism Escherichia coli/enzymology Humans Kinetics Molecular Weight Muramic Acids/metabolism Peptide Synthases/metabolism Peptidoglycan/analysis,isolation & purification Sugar Acids/metabolism Temperature Tritium

Carbon Radioisotopes Dipeptides Muramic Acids Peptidoglycan Sugar Acids Tritium Endopeptidases Peptide Synthases Alanine