Protein Phosphatase Protocols M E T H O D S I N M O L E C U L A R B I O L O G Y™ John M. Walker, SERIES EDITOR 386.Peptide Characterization and Application 361. Target Discovery and Validation Reviews Protocols,edited byGregg B. Fields, 2007 and Protocols: Emerging Molecular Targets 385. Microchip-Based Assay Systems: Methods and and Treatment Options, Volume 2, edited by Applications,edited byPierre N. Floriano, 2007 Mouldy Sioud, 2007 384. Capillary Electrophoresis: Methods and Protocols, 360. Target Discovery and Validation Reviews edited byPhilippe Schmitt-Kopplin, 2007 and Protocols: Emerging Strategies for Targets and Biomarker Discovery, Volume 1, edited by 383.Cancer Genomics and Proteomics: Methods and Mouldy Sioud, 2007 Protocols,edited by Paul B. Fisher, 2007 359. Quantitative Proteomics by Mass Spectrometry, 382. Microarrays, Second Edition: Volume 2, Applications edited by Salvatore Sechi, 2007 and Data Analysis,edited byJang B. Rampal, 2007 358. 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Agrobacterium Protocols, Second Edition: Moorhead, 2007 Volume 1, edited byKan Wang, 2006 364. Macromolecular Crystallography Protocols: 334422. MicroRNA Protocols,edited byShao-Yao Ying, 2006 Volume 2, Structure Determination,edited by Sylvie 334411. Cell–Cell Interactions: Methods and Protocols, Doublié, 2007 edited by Sean P. Colgan, 2006 363. Macromolecular Crystallography Protocols: 334400. Protein Design: Methods and Applications, Volume 1, Preparation and Crystallization edited by Raphael Guerois and Manuela López of Macromolecules,edited by Sylvie Doublié, 2007 delaPaz, 2006 362. Circadian Rhythms: Methods and Protocols, 333399. Microchip Capillary Electrophoresis: Methods edited byEzio Rosato, 2007 and Protocols, edited by Charles S. Henry, 2006 M E T H O D S I N M O L E C U L A R B I O L O G Y™ Protein Phosphatase Protocols Edited by Greg Moorhead Department of Biological Sciences, University of Calgary, Calgary, AB, Canada © 2007 Humana Press Inc. 999 Riverview Drive, Suite 208 Totowa, New Jersey 07512 www.humanapress.com All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording, or otherwise without written permission from the Publisher. Methods in Molecular BiologyTMis a trademark of The Humana Press Inc. All papers, comments, opinions, conclusions, or recommendations are those of the author(s), and do not necessarily reflect the views of the publisher. This publication is printed on acid-free paper. ∞ ANSI Z39.48-1984 (American Standards Institute) Permanence of Paper for Printed Library Materials. Cover illustration: Figure 1 from Chapter 12, “Visualization of Intracellular PP1 Targeting Through Tran- siently and Stably Expressed Fluorescent Protein Fusions,” by Laura Trinkle-Mulcahy, Janet Chusainow, Yun Wah Lam, Sam Swift, and Angus Lamond Cover design by Patricia F. Cleary. For additional copies, pricing for bulk purchases, and/or information about other Humana titles, contact Humana at the above address or at any of the following numbers: Tel.: 973-256-1699; Fax: 973-256-8341; E-mail: [email protected]; or visit our Website: www.humanapress.com Photocopy Authorization Policy: Authorization to photocopy items for internal or personal use, or the internal or personal use of specific clients, is granted by Humana Press Inc., provided that the base fee of US $30.00 per copy is paid directly to the Copyright Clearance Center at 222 Rosewood Drive, Danvers, MA 01923. For those organizations that have been granted a photocopy license from the CCC, a separate system of payment has been arranged and is acceptable to Humana Press Inc. The fee code for users of the Transactional Reporting Service is: [978-1-58829-711-2 • 1-58829-711-X/07 $30.00 ]. Printed in the United States of America. 10 9 8 7 6 5 4 3 2 1 eISBN: 1-59745-267-X Library of Congress Cataloging in Publication Data Protein phosphatase protocols / edited by Greg Moorhead. p. ; cm. — (Methods in molecular biology ; 365) Includes bibliographical references and index. ISBN-13: 978-1-58829-711-2 ISBN-10: 1-58829-711-X (alk. paper) 1. Phosphoprotein phosphatases—Laboratory manuals. [DNLM: 1. Phosphoprotein Phosphatase—analysis. 2. Phosphoprotein Phosphatase—isolation & purification. QU 136 P9671655 2006] I. Moorhead, Greg. II. Series: Methods in molecular biology (Clifton, N.J.) ; v. 365. QP609.P56P762 2006 572'.68—dc22 2006007128 Preface Phosphorylation is recognized as one of the most prevalent and versatile means to regulate protein function. Alteration in the normal target protein phos- phorylation state is also established as a major contributor to disease and, as a consequence the enzymes that add a phosphate group to proteins, the protein kinases, are considered the second largest drug target of the pharmaceutical industry. Given the role of protein kinases, it is natural to think then that the enzymes that remove phosphate from proteins are equally important and thus are likely contributors to disease when functioning aberrantly. The acceptance of the protein phosphatases as equal in importance to protein kinases and as potential drug targets has been slow in coming. Nevertheless, a number of important research articles over the last few years have dramatically shifted this paradigm [for instance see, MacKeigan et al. Nat. Cell Biol. 7(6):591– 600]. With a growing interest in protein phosphatase function, Protein Phos- phatase Protocols represents a timely revisit to phosphatase methodologies. I have tried to assemble a series of articles covering a broad range of protein phosphatase methodologies (proteomics, genomics, biochemistry, RNAi and genetics) with examples from several model organisms, including yeast, Droso- phila, plant and human cells. By including a variety of approaches across many organisms, I was able to get contributions from many of the leading and emerg- ing protein phosphatase researchers from around the world, but at the same time this meant that many were unable to contribute to this volume. Undoubt- edly, research by other phosphatase laboratories is referenced within many of these chapters. I hope that the techniques explained here generate ideas on new approaches to protein phosphatase research in your laboratory. Greg Moorhead v Contents Preface ..............................................................................................................v Contributors .....................................................................................................xi 1 Analysis of Protein Phosphatases: Toolbox For Unraveling Cell Signaling Networks Shirish Shenolikar.................................................................................1 2 A Brief Introduction to the Protein Phosphatase Families Tomas Mustelin.....................................................................................9 3 Small-Molecule Inhibitors of Ser/Thr Protein Phosphatases: Specificity, Use, and Common Forms of Abuse Mark Swingle, Li Ni, and Richard E. Honkanen.................................23 4 Synthesis and Use of the Protein Phosphatase Affinity Matrices Microcystin–Sepharose and Microcystin–Biotin–Sepharose Greg B. G. Moorhead, Timothy A. J. Haystead and Carol MacKintosh....................................................................39 5 Utilizing Protein Phosphatase Inhibitors to Define PP2A as a Regulator of Ataxia-Telangiectasia Mutated (ATM) Aaron A. Goodarzi, Pauline Douglas, Greg B. G. Moorhead, and Susan P. Lees-Miller.................................................................47 6 An Automated Fluorescence-Based Method for Continuous Assay of PP2A Activity Adam M. Wegner, Jamie L. McConnell, Randy D. Blakely, and Brian E. Wadzinski...................................................................61 7 An In Vivo Assay to Quantify Stable Protein Phosphatase 2A (PP2A) Heterotrimeric Species Matthew S. Gentry, Richard L. Hallberg, and David C. Pallas..........71 8 Mutagenesis and Expression of the Scaffolding Aα and Aβ Subunits of PP2A: Assays for Measuring Defects in Binding of Cancer-Related Aα and Aβ Mutants to the Regulatory B and Catalytic C Subunits Ralf Ruediger, Jin Zhou, and Gernot Walter......................................85 9 Isolation and Characterization of PP2A Holoenzymes Containing FLAG-Tagged B Subunits Deanna G. Adams and Brian E. Wadzinski......................................101 10 Purification of PP2A Holoenzymes by Sequential Immunoprecipitation with Anti-Peptide Antibodies Gernot Walter, Jin Zhou, and Ralf Ruediger....................................113 vii viii Contents 11 Purification of PP2Ac from Bovine Heart Hue T. Tran, Tony S. Ferrar, Anne Ulke-Lemée, and Greg B. G. Moorhead............................................................127 12 Visualization of Intracellular PP1 Targeting Through Transiently and Stably Expressed Fluorescent Protein Fusions Laura Trinkle-Mulcahy, Janet Chusainow, Yun Wah Lam, Sam Swift, and Angus Lamond.....................................................133 13 Yeast Two-Hybrid Screens To Identify Drosophila PP1-Binding Proteins Daimark Bennett and Luke Alphey...................................................155 14 Identification of Cellular Protein Phosphatase-1 Regulators David W. Roadcap, Matthew H. Brush, and Shirish Shenolikar......181 15 Assay for Three-Way Interaction of Protein Phosphatase-1 (Glc7) with Regulatory Subunits Plus Phosphatase Inhibitor-2 Masumi Etoand David L. Brautigan..................................................197 16 Phosphorylation of the Protein Phosphatase Type 1 Inhibitor Protein CPI-17 by Protein Kinase C Michael P. Walsh, Marija Susnjar, Jingti Deng, Cindy Sutherland, Enikó Kiss, and David P. Wilson.....................................................................209 17 Purification of Smooth Muscle Myosin Phosphatase Using a Thiophosphorylated Myosin Light-Chain-Affinity Resin Meredith Borman and Justin MacDonald.........................................225 18 Proteins Interacting with Saccharomyces cerevisiae Type 1 Protein Phosphatase Catalytic Subunit Identified by Single-Step Affinity Purification and Mass Spectrometry Edmund P. Walsh, Douglas J. Lamont, Kenneth A. Beattie, and Michael J. R. Stark.................................................................235 19 Expression of Protein Histidine Phosphatase in Escherichia coli, Purification, and Determination of Enzyme Activity Nicole Bäumer, Anette Mäurer, Josef Krieglstein, and Susanne Klumpp....................................................................247 20 The Use of RNA Interference to Analyze Protein Phosphatase Function In Mammalian Cells Iain Fraser, Wei Liu, Robert Rebres, Tamara Roach, Joelle Zavzavadjian, Leah Santat, Jamie Liu, Estelle Wall, and Marc Mumby....................................................261 21 Recognition of a PP2C Interaction Motif in Several Plant Protein Kinases Niranjan Chakraborty, Masaru Ohta, and Jian-Kang Zhu........................................................................287 Contents ix 22 Use of Yeast Genetic Tools to Define Biological Roles of Novel Protein Phosphatases Joaquín Ariño, Antonio Casamayor, Amparo Ruiz, Ivan Muñoz, and Maribel Marquina............................................299 23 Targeting of PP2C in Budding Yeast Irene M. Ota and James Mapes........................................................309 24 Phosphatase Targets in TOR Signaling Estela Jacinto.....................................................................................323 25 Functional Characterization of the Small CTD Phosphatases Michele Yeo and Patrick S. Lin.........................................................335 26 Genome-Scale Discovery and Characterization of Class-Specific Protein Sequences: An Example Using the Protein Phosphatases of Arabidopsis thaliana David Kerk........................................................................................347 27 Yeast Substrate-Trapping System for Isolating Substrates of Protein Tyrosine Phosphatases Masahide Fukada and Masaharu Noda.............................................371 Index............................................................................................................383 Contributors DEANNA G. ADAMS• Department of Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee, USA LUKE ALPHEY • Department of Zoology, University of Oxford, Oxford, United Kingdom JOAQUÍN ARIÑO • Department of Biochemistry and Molecular Biology, Universitat Autònoma de Barcelona, Bellaterra, 08193, Barcelona, Spain NICOLE BÄUMER • Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität, Münster, Germany KENNETH A. BEATTIE • School of Life Sciences, University of Dundee, United Kingdom DAIMARK BENNETT • Department of Zoology, University of Oxford, Oxford, United Kingdom RANDY D. BLAKELY • Department of Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee, USA MEREDITH BORMAN• Department of Biochemistry and Molecular Biology, Smooth Muscle Research Group, University of Calgary, Calgary, AB, Canada DAVID L. BRAUTIGAN •Center for Cell Signaling and Department of Microbiology, University of Virginia School of Medicine, Charlottesville, Virginia, USA MATTHEW H. BRUSH • Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA ANTONIO CASAMAYOR • Department of Biochemistry and Molecular Biology, Universitat Autònoma de Barcelona, Bellaterra, 08193, Barcelona, Spain NIRANJAN CHAKRABORTY• National Centre for Plant Genome Research Aruna Asaf Ali Marg JNU Campus, New Delhi, India JANET CHUSAINOW • Division of Gene Regulation and Expression, School of Life Sciences, MSI/WTB Complex, University of Dundee, Dundee, United Kingdom JINGTI DENG • Smooth Muscle Research Group, Department of Biochemistry & Molecular Biology, University of Calgary, Calgary, Alberta, Canada PAULINE DOUGLAS • Southern Alberta Cancer Research Institute and Depart- ment of Biochemistry & Molecular Biology, University of Calgary, Calgary, AB, Canada MASUMI ETO •Department of Physiology, Thomas Jefferson College of Medicine, Philadelphia, Pennsylvania, USA xi xii Contributors TONY S. FERRAR • Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada IAIN FRASER • AfCS Molecular Biology Laboratory, Division of Biology, California Institute of Technology, Pasadena, California, USA MASAHIDE FUKADA • Division of Molecular Neurobiology, National Institute for Basic Biology, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi 444- 8787, Japan MATTHEW S. GENTRY • Department of Pharmacology, University of Califor- nia, San Diego, California, USA AARON A. GOODARZI• Southern Alberta Cancer Research Institute and Department of Biochemistry & Molecular Biology, University of Calgary, Calgary, AB, Canada RICHARD L. HALLBERG• Department of Biology, Syracuse University, Syracuse, New York, USA TIMOTHY A. J. HAYSTEAD • Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA RICHARD E. HONKANEN • Department of Biochemistry and Molecular Biology, University of South Alabama, Mobile, Alabama, USA ESTELA JACINTO • Department of Physiology and Biophysics UMDNJ, Robert Wood Johnson Medical School, Piscataway, New Jersey, USA ENIKÓ KISS• Smooth Muscle Research Group, Department of Biochemistry & Molecular Biology, University of Calgary, Calgary, Alberta, Canada DAVID KERK • Department of Biology, Point Loma Nazarene University, San Diego, California, USA SUSANNE KLUMPP • Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität, Münster, Germany JOSEF KRIEGLSTEIN • Institut für Pharmakologie and Toxikologie, Philipps- Universität, Marburg, Germany YUN WAH LAM • Division of Gene Regulation and Expression, School of Life Sciences, MSI/WTB Complex, University of Dundee, Dundee, United Kingdom ANGUS LAMOND • Division of Gene Regulation and Expression, School of Life Sciences, MSI/WTB Complex, University of Dundee, Dundee, United Kingdom DOUGLAS J. LAMONT • School of Life Sciences, University of Dundee, United Kingdom SUSAN P. LEES-MILLER • Southern Alberta Cancer Research Institute and Department of Biochemistry & Molecular Biology, University of Calgary, Calgary, AB, Canada PATRICK S. LIN • Division of Oncology, Stanford University School of Medicine, Stanford, California, USA