Contents. List of Contributors. Preface (A.G. Lee). Part I Receptors for Hormones and Growth Factors. Insulin Receptor Signaling (D.K. Sung and I.D. Goldfine). Growth Factor Receptor Tyrosine Kinases (M.J. Fry). Transmembrane Protein Tyrosine Phosphatases (E.C.C. Wong, T.A. Woodford-Thomas, and M.L. Thomas). Regulation of the Mammalian Adnylyl Cyclases (R.J. Duhe, A.H. Dittman, Z. Wu, and D.R. Storm). The Prolactin/Growth Hormone/Cytokine Receptor Superfamily (P.A. Kelly, J. Finidori, M. Edery, and M.C. Postel-Vinay). Interleukin-1 Receptors (S.K. Dower and J.E. Sims). Nerve Growth Factor Receptors (R.A. Bradshaw and H. Hondermarck). Part II Channels. Voltage-Gated Potassium Channels (O. Pongs). Voltage-Gated Calcium Channels (G.Mikala, J.L. Mershon, and A. Schwartz). Cyclic Nucleotide-gated Channels (P.W. Wohlfart and N.J. Cook). IP3-Sensitive Calcium Channel (K. Mikoshiba, T. Furuichi, and A. Miyawaki). The Ryanodine Receptor (A.G. Lee). The Dynamic Nature of Gramicidin (D.A. Doyle and B.A. Wallace). The MIP Family of Integral Membrane Channel Proteins (M.H. Saier, Jr., A. Reizer, and J. Reizer). Ion Channels of Mitochondrial Membranes (C.A. Mannella and K.W. Kinnally). Index.