Media type: E-Article Title: Comparison of beta-galactosidases from normal (i-o+z+) and operator constitutive (i-ocz+) strains of E. coli Contributor: Steers, E; Craven, G R; Anfinsen, C B imprint: Proceedings of the National Academy of Sciences, 1965 Published in: Proceedings of the National Academy of Sciences Language: English DOI: 10.1073/pnas.54.4.1174 ISSN: 1091-6490; 0027-8424 Keywords: Multidisciplinary Origination: Footnote: Access State: Open Access