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171 related items for PubMed ID: 8554546

  • 1. Catalytic consequences of experimental evolution: catalysis by a 'third-generation' evolvant of the second beta-galactosidase of Escherichia coli, ebgabcde, and by ebgabcd, a 'second-generation' evolvant containing two supposedly 'kinetically silent' mutations.
    Krishnan S, Hall BG, Sinnott ML.
    Biochem J; 1995 Dec 15; 312 ( Pt 3)(Pt 3):971-7. PubMed ID: 8554546
    [Abstract] [Full Text] [Related]

  • 2. The catalytic consequences of experimental evolution. Studies on the subunit structure of the second (ebg) beta-galactosidase of Escherichia coli, and on catalysis by ebgab, an experimental evolvant containing two amino acid substitutions.
    Elliott AC, K S, Sinnott ML, Smith PJ, Bommuswamy J, Guo Z, Hall BG, Zhang Y.
    Biochem J; 1992 Feb 15; 282 ( Pt 1)(Pt 1):155-64. PubMed ID: 1540130
    [Abstract] [Full Text] [Related]

  • 3. Catalysis by the large subunit of the second beta-galactosidase of Escherichia coli in the absence of the small subunit.
    Calugaru SV, Hall BG, Sinnott ML.
    Biochem J; 1995 Nov 15; 312 ( Pt 1)(Pt 1):281-6. PubMed ID: 7492325
    [Abstract] [Full Text] [Related]

  • 4. 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]

  • 5. A solvent-isotope-effect study of proton transfer during catalysis by Escherichia coli (lacZ) beta-galactosidase.
    Selwood T, Sinnott ML.
    Biochem J; 1990 Jun 01; 268(2):317-23. PubMed ID: 2114090
    [Abstract] [Full Text] [Related]

  • 6. Larger increases in sensitivity to paracatalytic inactivation than in catalytic competence during experimental evolution of the second beta-galactosidase of Escherichia coli.
    Calugaru SV, Krishnan S, Chany CJ, Hall BG, Sinnott ML.
    Biochem J; 1997 Jul 01; 325 ( Pt 1)(Pt 1):117-21. PubMed ID: 9224636
    [Abstract] [Full Text] [Related]

  • 7. Large changes of transition-state structure during experimental evolution of an enzyme.
    Srinivasan K, Konstantinidis A, Sinnott ML, Hall BG.
    Biochem J; 1993 Apr 01; 291 ( Pt 1)(Pt 1):15-7. PubMed ID: 8471034
    [Abstract] [Full Text] [Related]

  • 8. Structure-reactivity relationships for beta-galactosidase (Escherichia coli, lac Z). 2. Reactions of the galactosyl-enzyme intermediate with alcohols and azide ion.
    Richard JP, Westerfeld JG, Lin S, Beard J.
    Biochemistry; 1995 Sep 19; 34(37):11713-24. PubMed ID: 7547903
    [Abstract] [Full Text] [Related]

  • 9. Structure-reactivity relationships for beta-galactosidase (Escherichia coli, lac Z). 4. Mechanism for reaction of nucleophiles with the galactosyl-enzyme intermediates of E461G and E461Q beta-galactosidases.
    Richard JP, Huber RE, Heo C, Amyes TL, Lin S.
    Biochemistry; 1996 Sep 24; 35(38):12387-401. PubMed ID: 8823174
    [Abstract] [Full Text] [Related]

  • 10. The necessity of magnesium cation for acid assistance aglycone departure in catalysis by Escherichia coli (lacZ) beta-galactosidase.
    Sinnott ML, Withers SG.
    Biochem J; 1978 Nov 01; 175(2):539-46. PubMed ID: 105722
    [Abstract] [Full Text] [Related]

  • 11. Trp-999 of beta-galactosidase (Escherichia coli) is a key residue for binding, catalysis, and synthesis of allolactose, the natural lac operon inducer.
    Huber RE, Hakda S, Cheng C, Cupples CG, Edwards RA.
    Biochemistry; 2003 Feb 18; 42(6):1796-803. PubMed ID: 12578395
    [Abstract] [Full Text] [Related]

  • 12. Determination of the roles of Glu-461 in beta-galactosidase (Escherichia coli) using site-specific mutagenesis.
    Cupples CG, Miller JH, Huber RE.
    J Biol Chem; 1990 Apr 05; 265(10):5512-8. PubMed ID: 1969405
    [Abstract] [Full Text] [Related]

  • 13. Transgalactosylation activity of ebg beta-galactosidase synthesizes allolactose from lactose.
    Hall BG.
    J Bacteriol; 1982 Apr 05; 150(1):132-40. PubMed ID: 6801019
    [Abstract] [Full Text] [Related]

  • 14. Structural basis for the altered activity of Gly794 variants of Escherichia coli beta-galactosidase.
    Juers DH, Hakda S, Matthews BW, Huber RE.
    Biochemistry; 2003 Nov 25; 42(46):13505-11. PubMed ID: 14621996
    [Abstract] [Full Text] [Related]

  • 15. Substitutions for Gly-794 show that binding interactions are important determinants of the catalytic action of beta-galactosidase (Escherichia coli).
    Martinez-Bilbao M, Huber RE.
    Biochem Cell Biol; 1994 Nov 25; 72(7-8):313-9. PubMed ID: 7893471
    [Abstract] [Full Text] [Related]

  • 16. Structure-reactivity relationships for beta-galactosidase (Escherichia coli, lac Z). 3. Evidence that Glu-461 participates in Brønsted acid-base catalysis of beta-D-galactopyranosyl group transfer.
    Richard JP, Huber RE, Lin S, Heo C, Amyes TL.
    Biochemistry; 1996 Sep 24; 35(38):12377-86. PubMed ID: 8823173
    [Abstract] [Full Text] [Related]

  • 17. Effects of galactose and glucose on the hydrolysis reaction of a thermostable beta-galactosidase from Caldicellulosiruptor saccharolyticus.
    Park AR, Oh DK.
    Appl Microbiol Biotechnol; 2010 Feb 24; 85(5):1427-35. PubMed ID: 19662397
    [Abstract] [Full Text] [Related]

  • 18. Reversion reactions of beta-galactosidase (Escherichia coli).
    Huber RE, Hurlburt KL.
    Arch Biochem Biophys; 1986 Apr 24; 246(1):411-8. PubMed ID: 3083779
    [Abstract] [Full Text] [Related]

  • 19. Functional properties of beta-galactosidase from mutant strain 13 PO of Escherichia coli.
    Deschavanne PJ, Viratelle OM, Yon JM.
    Proc Natl Acad Sci U S A; 1978 Apr 24; 75(4):1892-6. PubMed ID: 25441
    [Abstract] [Full Text] [Related]

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