Solution Structure and Mechanism of the MutT Pyrophosphohydrolase

  1. Daniel L. Purich
  1. A.S. Mildvan,
  2. D.J. Weber,
  3. C. Abeygunawardana

Published Online: 22 NOV 2006

DOI: 10.1002/9780470123195.ch6

Advances in Enzymology and Related Areas of Molecular Biology: Mechanism of Enzyme Action, Part A, Volume 73

Advances in Enzymology and Related Areas of Molecular Biology: Mechanism of Enzyme Action, Part A, Volume 73

How to Cite

Mildvan, A.S., Weber, D.J. and Abeygunawardana, C. (2006) Solution Structure and Mechanism of the MutT Pyrophosphohydrolase, in Advances in Enzymology and Related Areas of Molecular Biology: Mechanism of Enzyme Action, Part A, Volume 73 (ed D. L. Purich), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470123195.ch6

Editor Information

  1. University of Florida College of Medicine, Gainesville, Florida

Author Information

  1. Department of Biological Chemistry, Johns Hopkins University, School of Medicine, Baltimore, Maryland 21205

Publication History

  1. Published Online: 22 NOV 2006
  2. Published Print: 1 JAN 1999

ISBN Information

Print ISBN: 9780471246442

Online ISBN: 9780470123195

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Keywords:

  • MutT pyrophosphohydrolase;
  • bond cleavage;
  • free MutT enzyme;
  • MutT reaction;
  • quaternary MutT-M2+-AMPCPP-M2+ complex

Summary

This chapter contains sections titled:

  • Introduction

  • Site of Bond Cleavage by the MutT Enzyme

  • Catalytic Power of Pyrophosphoryl Transferring Enzymes

  • Role of Divalent Cations in Pyrophosphoryl Transferring Enzymes

  • Solution Structure of the Free MutT Enzyme

  • Solution Structure of the Quaternary MutT-M2+ —AMPCPP—M2+ Complex

  • The Active Site of the MutT Enzyme

  • Summary and Conclusions