Part I. JAK Protein Tyrosine Kinases

1. Analysis of Janus Tyrosine Kinase Phosphorylation and Activation

Jeremy A. Ross, Rodriguez Georgialina, and Robert A. Kirken

2. Co-Immunoprecipitation Protocol to Investigate Cytokine Receptor Associated Proteins e.g. Janus Kinases or Other Associated Signaling Proteins

Claude Haan and Serge Haan

3. In Vitro JAK Kinase Activity and Inhibition Assays

Jeffrey J. Babon and James M. Murphy

4. Quantitative Analysis of JAK Binding using Isothermal Titraion Calorimetry and Surface Plasmon Resonance

Jeffrey J. Babon

5. Determination of Protein Turnover Rates in the JAK/STAT Pathway using a Radioactive Pulse-Chase Approach

Anna Dittrich, Elmar Siewert, and Fred Schaper

6. Designing RNAi Screens to Identify JAK/STAT Pathway Components

Katherine H. Fisher, Stephen Brown, and Martin P. Zeidler

7. The Use of JAK-Specific Inhibitors as Chemical Biology Tools

Christopher J. Burns, David Segal, and Andrew F. Wilks

8. Methods for Detecting Mutations in the Human JAK2 Gene

Anthony J. Bench, E. Joanna Baxter, and Anthony R. Green

Part II. Signal Transducers and Activators of Transcription (STAT)s

9. Detection of Activated STAT Proteins

Jean-Patrick Parisien and Curt M. Horvath

10. Detection of Activated STAT Species Using Electrophoretic Mobility Shift Assay (EMSA) and Potential Pitfalls Arising from the Use of Detergents

Serge Jaan and Claude Haan

11. Flow Cytometric Analysis of STAT Phosphorylation

Jane Murphy and Gabrielle L. Goldberg

12. Acetylation of Endogenous STAT Proteins

Torsten Ginter, Thorsten Heinzel, and Oliver H. Krämer

13. Detection and Cellular Localization of Phospho-STAT2 in the Central Nervous System by Immunohistochemical Staining

Reza Krotooshi and Trevor Owens

14. Nuclear Trafficking of STAT Proteins Visualized by Live Cell Imaging

Velasco Cimica and Nancy C. Reich

15. Characterization of STAT Self-Association by Analytical Ultracentrifugation

Nikola Wenta and Uwe Vinkemeier

16. Constitutively Active STAT5 Constructs

Lynn M. Heltemes-Harris and Michael A. Farrar

Part III. Suppressor of Cytokine Signalling (SOCS) Proteins

17. Analysis of Suppressor of Cytokine Signalling (SOCS) Gene Expression by Real-Time Quantitative PCR

Tatiana B. Kolesnik and Sandra E. Nicholson

18. Detection of Endogenous SOCS1 and SOCS3 Proteins by Immunoprecipitation and Western Blot Analysis

Jian-Guo Zhang and Sandra E. Nicholson

19. In vitro Ubiquitination of Cytokine Signaling Components

Jeffrey J. Babon, Artem Laktyushin, and Nadia J. Kershaw

Part IV. Structural Analysis of the JAK/STAT Pathway

20. Production and Crystallization of Recombinant JAK Proteins

Isabelle S. Lucet and Rebecca Bamert

21. Bacterial Expression, Purification and Crystallization of Tyrosine Phosphorylated STAT Proteins

Florence Baudin and Christoph W. Müller