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2. Evolution of a second gene for beta-galactosidase in Escherichia coli. Campbell JH, Lengyel JA, Langridge J. Proc Natl Acad Sci U S A; 1973 Jun; 70(6):1841-5. PubMed ID: 4124306 [Abstract] [Full Text] [Related]
3. The catalytic consequences of experimental evolution. Transition-state structure during catalysis by the evolved beta-galactosidases of Escherichia coli (ebg enzymes) changed by a single mutational event. Li BF, Holdup D, Morton CA, Sinnott ML. Biochem J; 1989 May 15; 260(1):109-14. PubMed ID: 2505746 [Abstract] [Full Text] [Related]
12. Experimental evolution of a new enzymatic function. II. Evolution of multiple functions for ebg enzyme in E. coli. Hall BG. Genetics; 1978 Jul 15; 89(3):453-65. PubMed ID: 97169 [Abstract] [Full Text] [Related]
15. A third beta-galactosidase in a strain of Klebsiella that possesses two lac genes. Hall BG, Reeve EC. J Bacteriol; 1977 Oct 15; 132(1):219-23. PubMed ID: 410780 [Abstract] [Full Text] [Related]