title: The action of penicillin on the mucopeptide of Escherichia coli.
mesh_terms: D003864:Depression, Chemical; D004926:Escherichia coli / Q000187:drug effects / Q000378:metabolism*; D009088:Mucoproteins / Q000096:biosynthesis*; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D009088:Mucoproteins; D010406:Penicillins