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BIOCHEMISTRY
EDITOR
Charles R. Bertsch, Manager, Editorial Production
HANS NEURATH, University of Washington AMERICAN CHEMICAL SOCIETY PUBLICATIONS
1155 Sixteenth Street, N.W., Washington. D. C, 20036 ASSOCIATE EDITORS
Milton P. Gordon, University of Washington Edmond H. Fischer, University of Washington William W. Parson, University of Washington
EDITORIAL ADVISORY BOARD
Eric G. Ball, Harvard Medical School Clinton E. Ballou, University of California, Berkeley Paul D. Boyer, University of California, Los Angeles Herman Eisen, Washington University Heinz Fraenkel-Conrat, University of California, Berkeley Joseph S. Fruton, Yale University David K. Fukushima, Montefiore Hospital, New York Gordon G. Hammes, Cornell University William P. Jencks, Brandeis University Elwood V. Jensen, University of Chicago Irving M. Klotz, Northwestern University
Richard L. Kenyon, Director of Publications Joseph H. Kuney, Director of Business Operations Director of Publications Research David E. Gushee, Publication Manager, Journals
©Copyright, 1969, by the American Chemical Society. Published monthly by the American Chemical Society at 20th and Northampton Streets, Easton, Pennsylvania. Second-class postage paid at Easton, Pennsylvania. 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 Editorial Production Office, American Chemical Society, 20th and Northampton Streets, Easton, Pa. 18042. Manager: Charles R. Bertsch. Assistant Senior Production Editor: Marianne C. Brogan. Assistant Editor: Patricia A. Bronko, Advertising Office: Reinhold Publishing Corporation, Summer Street, Stamford, Connecticut 06904.
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The American Chemical Society and the Editors of biochemistry assume no responsibility for the statements and opinions advanced by contributors to this journal.
Henry A. Lardy, University of Wisconsin Albert H. Lehninger, Johns Hopkins University Fritz A. Lipmann, Rockefeller University Alton Meister, Cornell University Medical College, New York Marshall W. Nirenberg, National Institutes of Health Mary Jane Osborne, University of Connecticut William D. Phillips, Du Pont Experimental Station Rodney R. Porter, Oxford University William J. Ray, Jr., Purdue University Howard K. Schachman, University of California, Berkeley Harold A. Scheraga, Cornell University Esmond E. Snell, University of California, Berkeley Herbert A. Sober, National Institutes of Health Earl R. Stadtman, National Heart Institute Charles C. Sweeley, Michigan State University Paul O. P. Ts'o, Johns Hopkins University Bert L. Vallee, Harvard Medical School Harland G. Wood, Case Western Reserve University
SECRETARY OF THE BOARD
Warren E. C. Wacker, Harvard Medical School
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