the affinities of pbps 3 and 4 of s. faecalis nctc 775 for penicillin g , ampicillin , cefathiamidine , cephaloridine and cephazolin were related to the sensitivity of the strain to these antibiotics as were the affinities of pbps 4 and 5 in each s. faecium strain for the beta lactams .
C0030827
penicillin g
C0002680
ampicillin