Contents ix 



The Nitrogen-Sparing Effect of Glucose 175 



Henry D. Hoberman, Ph.D., M.D. 

 Associate Professor of Biochemistry 

 Albert Einstein College of Medicine 



The Metabolism of Inositol in Microorganisms: A Study of Molecular 

 Conformation and Biochemical Reactivity 181 



Boris Magasanik, Ph.D. 



Silas Arnold Houghton Assistant Professor of BacU riology and Immunology 



Department of Bacteriology and Immunology 



Harvard Medical School 



The Biochemistry of Ferritin 198 



Abraham Mazur, Ph.D. 



Associate Professor, Department of Chemistry 

 City College of New York 



Assistant Professor of Biochemistry in Medicine 

 Department of Medicine 

 Cornell University Medical College 

 The New York Hospital 



Some Aspects of Nitrogen Transfer in Biosynthetic Mechanisms 216 



Sarah Ratner, Ph.D. 

 Associate Member 



Division of Nutrition and Physiology 

 The Public Health Research Institute of the City of New York. Inc. 



On the Bigness of Enzymes 232 



David Rittenberg, Ph.D. 

 Professor of Biochemistry 

 College of Physicians and Surgeons 

 Columbia University 



The Biosynthesis of Porphyrins 241 



David Shemin, Ph.D. 

 Professor of Biochemistry 

 College of Physicians and Surgeons 

 Columbia University 



The Role of Carbohydrates in the Biosynthesis of Aromatic Compounds 259 

 David B. Sprinson, Ph.D. 

 Associate Professor of Biochemistry 

 College of Physicians and Surgeons 

 Columbia University 



On Determining the Chemical Structure of Proteins 270 



William H. Stein, Ph.D. 

 Member 

 The Rockefeller Institute for Medical Research 



Glycogen Turnover 291 



DeWitt Stetten, Jr., M.D., Ph.D. 

 Associate Director in Charge of Research 

 National Institute of Arthritis and Metabolic Dis< ases 

 National Institutes of Health 



and 



Marjorie R. Stetten, Ph.D. 



Chemist, Section on Intermediary Metabolism 



