title: Conversion of penicillin N to cephalosporin(s) by cell-free extracts of Cephalosporium acremonium.
mesh_terms: D000164:Acremonium / Q000378:metabolism*; D002474:Cell-Free System; D002510:Cephalosporinase / Q000378:metabolism; D002511:Cephalosporins / Q000096:biosynthesis*; D007700:Kinetics; D010405:Penicillinase / Q000378:metabolism; D010406:Penicillins / Q000378:metabolism*; D011523:Protoplasts / Q000201:enzymology
chemical_list: D002511:Cephalosporins; D010406:Penicillins; D002510:Cephalosporinase; D010405:Penicillinase