Efficient and unique cooperation of three zinc(ii) ions in the hydrolysis of diribonucleotides by a trinuclear zinc(ii) complex

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Morio Yashiro, Akira Ishikubo and Makoto Komiyama


Abstract

A trinuclear Zn2+ complex is prepared using a ligand having six pyridine moieties, N,N,N′,N′,N″,N″ -hexakis(2-pyridylmethyl)[tris(2-aminoethyl)amine] (L3), and efficiently hydrolyses diribonucleotides at pH 7 and 50 °C, showing much greater activity than a dinuclear Zn2L2 complex.


References

  1. (a) E. Hough, L. K. Hansen, B. Birknes, K. Jynge, S. Hansen, A. Hordvik, C. Little, E. Dodson and Z. Derewenda, Nature, 1989, 338, 357 CrossRef CAS; (b) A. Volbeda, A. Lahm, F. Sakiyama and D. Suck, EMBO J., 1991, 10, 1607 CAS; (c) E. E. Kim and H. W. Wyckoff, J. Mol. Biol., 1991, 218, 449 CrossRef CAS; (d) L. S. Beese and T. A. Steitz, EMBO J., 1991, 10, 25 CAS; (e) T. A. Steitz and J. A. Steitz, Proc. Natl. Acad. Sci. USA, 1993, 90, 6498 CAS; (f) B. L. Vallee and D. S. Auld, Biochemistry, 1993, 32, 6493 CrossRef CAS; (g) J. B. Vincent, M. W. Crowder and B. A. Averill, Trends Biochem. Sci., 1992, 17, 105 CrossRef CAS.
  2. M. Yashiro, A. Ishikubo and M. Komiyama, J. Chem. Soc., Chem. Commun., 1995, 1793 RSC.
  3. D. W. Gruenwedel, Inorg. Chem., 1968, 7, 495 CrossRef CAS; J. K. Romary, J. D. Barger and J. E. Bunds, Inorg. Chem., 1968, 7, 1142 CrossRef CAS.
  4. M. J. Young and J. Chin, J. Am. Chem. Soc., 1995, 117, 10 577 CrossRef CAS; W. H. Chapman, Jr. and R. Breslow, J. Am. Chem. Soc., 1995, 117, 5462 CrossRef; R. Breslow, Acc. Chem. Res., 1995, 28, 146 CrossRef CAS; M. W. Göbel, Angew. Chem., 1994, 106, 1201; M. Wall, R. C. Hynes and J. Chin, Angew. Chem., Int. Ed. Engl., 1993, 32, 1633 CrossRef; L. M. T. Schnaith, R. S. Hanson and L. Que, Jr., Proc. Natl. Acad. Sci. USA, 1994, 91, 569 CAS; T. Koike, M. Inoue, E. Kimura and M. Shiro, J. Am. Chem. Soc., 1996, 118, 3091 CrossRef CAS; D. Wahnon, A.-M. Lebuis and J. Chin, Angew. Chem., Int. Ed. Engl., 1995, 34, 2412 CrossRef CAS; N. H. Williams and J. Chin, Chem. Commun., 1996, 131 RSC.
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