the enzyme resembled the cefuroximases of ps . cepacia and proteus vulgaris , but differed from the class i cephalosporinases typical of ps . aeruginosa and most enterobacteria , in being strongly active against carbenicillin , cefotaxime and cefuroxime and in being inactivated readily by clavulanic acid .
C0007554
cefotaxime
C0007562
cefuroxime