title: Beta-lactamase (Escherichia coli R+TEM.
mesh_terms: D000581:Amidohydrolases / Q000302:isolation & purification*; D000596:Amino Acids / Q000032:analysis; D002510:Cephalosporinase / Q000302:isolation & purification* / Q000378:metabolism; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D004926:Escherichia coli / Q000201:enzymology*; D007525:Isoelectric Focusing; D007700:Kinetics; D008722:Methods; D008970:Molecular Weight; D009154:Mutation; D010405:Penicillinase / Q000302:isolation & purification* / Q000378:metabolism; D014465:Ultrasonics
chemical_list: D000596:Amino Acids; D000581:Amidohydrolases; D002510:Cephalosporinase; D010405:Penicillinase