EDITOR
Charles R. Bertsch, Manager, Editorial Production
HANS NEURATH, University of Washington AMERICAN CHEMICAL SOCIETY
1155 Sixteenth Street, N.W., Washington, D. C. 20036 ASSOCIATE EDITORS
BOOKS AND JOURNALS DIVISION
Milton P. Gordon, University of Washington
John Κ Crum, Director Joseph H. Kuney, Head, Business Operations Department Ruth Reynard, Assistant to the Director
Edmond H. Fischer, University of Washington William W. Parson, University of Washington
©Copyright, 1972, by the American Chemical Society. EDITORIAL ADVISORY BOARD
Paul D. Boyer, University of California, Los Angeles Konrad Bloch, Harvard University Roger D. Cole, University of California, Berkeley Minor J. Coon, University of Michigan Medical School Joseph S. Fruton, Yale University I. C. Gunsalus, University of Illinois Lowell P. Hager, University of Illinois Gordon G. Hammes, Cornell University William F . Harrington, Johns Hopkins University John J. Holland, University of California, La Jolla William P. Jencks, Brandeis University Elwood V. Jensen, University of Chicago
Published biweekly by the American Chemical Society at 20th and Northampton Streets, Easton, Pennsylvania. Second-class postage paid at Washington, D. C , and at additional mailing offices. Manuscripts for publication and correspondence regarding accepted papers should be sent to the Editor, Hans Neurath, University of Washington, Seattle, Washington 98105. Proof, edited manuscripts, and reprint orders should be sent to Edi torial Production Office, American Chemical Society, 20th and Northampton Streets, Easton, Pa. 18042. Manager: Charles R. Bertsch. Senior Production Editor: Marianne C. Brogan. Assistant Editor: Patricia A. Bronko. Editorial Assistant: Deborah A. Wilson. Advertising Office: Ccntcom, Ltd. (formerly Century Com munications Corporation), 142 East Avenue, Norwalk, Connecti cut 06851. The American Chemical Society and the Editors of Biochem istry assume no responsibility for the statements and opinions advanced by contributors to this journal.
Irving M. Klotz, Northwestern University Daniel E. Koshland, University of California, Berkeley Edwin G. Krebs, University of California, Davis Henry A. Lardy, University of Wisconsin Albert L. Lehninger, Johns Hopkins University Peter Lengyel, Yale University Albert S. Mildvan, Institute for Cancer Research, Philadelphia Kivie Moldave, University of California, Irvine Mary Jane Osborne, University of Connecticut William D. Phillips, Du Pont Experimental Station Rodney R. Porter, Oxford University William J. Ray, Jr., Purdue University Phillips W. Robbins, Massachusetts Institute of Technology Harold A. Scheraga, Cornell University S. Jonathan Singer, University of California, San Diego Earl R. Stadtman, National Heart Institute Charles C. Sweeley, Michigan State University Ignacio Tinoco, Jr., University of California, Berkeley Paul O. P. Ts'o, Johns Hopkins University Bernard Witkop, National Institutes of Health
SECRETARY OF THE BOARD
Warren E. C. Wacker, Harvard Medical School
4A
BIOCHEMISTRY,
V O L . 11, NO. 22,
1972
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