title: Similarity of active-site structures.
authors.forename: L
authors.initials: L
authors.lastname: Pearl
mesh_terms: D000595:Amino Acid Sequence; D016282:Aspartic Acid Endopeptidases / Q000737:chemistry*; D001665:Binding Sites; D004926:Escherichia coli / Q000201:enzymology; D008958:Models, Molecular; D011487:Protein Conformation; D013211:Staphylococcus aureus / Q000201:enzymology; D001618:beta-Lactamases / Q000737:chemistry*
chemical_list: D016282:Aspartic Acid Endopeptidases; C042466:Endothia aspartic proteinase; D001618:beta-Lactamases; C034413:beta-lactamase TEM-1