1. 1. Marchesi, V. T. A. Rev. Cell Biol. 1, 531–561 (1985). 2. Bennett, V. A. Rev. Biochem. 54, 273–304 (1985). 3. Goodman, S. R. and Zagon, I. S. Am. J. Physiol. 250, 347–360 (1986). 4. Gardner, K. & Bennett, V. J. biol. Chem. 260, 1339–1348 (1986). 5. Ling, E., Gardner, K. & Bennett, V. /. biol. Chem. 261, 13875–13878 (1986). 6. Brenner, S. & Korn, E. / biol. Chem. 254, 8620–8627 (1979). 7. Bennett, V., Davis J. & Fowler, V. E. Nature 299, 126–131 (1982). 8. Gardner, K. & Bennett, V. J. cell biochem. (in the press). 9. Cheung, W. Y. Science 207, 19–27 (1980). 10. Burns, N. & Gratzer, W. Biochemistry 24, 3070–3074 (1985). 11. Husain, A., Howelett, G. J. & Sawyer, W. H. Biochem. biophys. Res. Commun. 122,1194–1200 (1984). 12. Sears, D. E., Marchesi, V. T. & Morrow, J. S. Biochem. biophys. Acta 870, 432–442 (1986). 13. Agre, P., Gardner, K. & Bennett, V. / biol. Chem. 258, 6258–6265 (1983). 14. Jarrett, H. & Penniston J T. J. biol. Chem. 253, 4676–4682 (1978). 15. Ohanian, V. et al. Biochemistry 23, 4416–4420 (1984). 16. Ungewickell, E., Bennett, P., Calvert, R., Ohanion, V. & Gratzer, W. Nature 280, 811–814 (1979). 17. Tyler, J. M, Reinardt, B. N. & Branton, D. / biol. Chem. 255, 7034–7039 (1980). 18. Cohen, C. M. & Foley, S. F. Biochemistry 23, 6091–6098 (1984). 19. Eder, P. S., Soong, C. J. & Tao, M. Biochemistry 25, 1764–1770 (1986). 20. Staufenbiel, M. & Lazarides, E. / Cell Biol. 102, 1157–1163 (1986). 21. Conboy, J., Mohandas, N., Tchernia, G. & Kan, Y. W. N. Engl. J. Med. 315,680–685 (1986). 22. Beaven, G. H. et al. Eur. J. Cell Biol. 36, 299–306 (1985). 23. Byers, T. J. & Branton, D. Proc. natn. Acad. Sci. U.S.A. 82, 6153–6157 (1985). 24. Shen, B. W., Josephs, R. & Steck, T. L. J. Cell Biol. 102, 997–1006 (1986). 25. Liu, S.–C., Derick, L. H. & Palek, J. J. Cell Biol. 104, 527–536 (1986). 26. Takakuwa, Y., Tchernia, G., Rossi, M., Benabadji, M. & Mohandas, N. / din. Invest. 78, 80–85 (1986). 27. Bourguignon, L. Y., Suchard, S. J., Nagpal, M. L. & Glenney, J. R. Jr J. Cell Biol. 101, 477–487 (1985). 28. Perrin, D. & Aunis, D. Nature 318, 585–591 (1985). 29. Fowler, V. M. & Bennett, V. /. biol. Chem. 259, 5978–5989 (1982). 30. Pardee, J. D. & Spudich, J. A. Meth. Cell Biol. 24, 271–289 (1982). 31. Bennett, V. Meth. Enzym. 96, 313–324 (1983). 32. Fairbanks, G., Steck, T. & Wallach, D. Biochemistry 10, 2606–2617 (1971). 33. Hunter, W. & Greenwood, F. Nature 194, 495–496 (1962). 34. Gopalakrishna, R. & Anderson, W. Biochem. biophys. Res. Commun. 104, 830–836 (1982). 35. Fabiato, A. & Fabiato, F. J. Physiol., Lond. 75, 463–505 (1979).