TOC Front Cover 2 Advances in Protein Chemistry, Volume IX 5 Copyright Page 6 Contributors to Volume IX 7 Contents 9 Chapter 1. The Metabolism of Glycine 11 I. Introduction 12 II. The Occurrence of Glycine in Proteins and the Distribution of Glycine 13 III. Nutritional Aspects 25 IV. The Ultimate Fate of Glycine in Animal Metabolism 32 V. The Biosynthesis of Glycine 43 VI. Glycine as an Intermediate in the Biosynthesis of Physiologically Important Compounds 58 References 91 Chapter 2. The Digestion of Protein and Nitrogenous Compounds in Ruminants 103 I. Introduction 103 Front Cover 2 Advances in Protein Chemistry, Volume IX 5 Copyright Page 6 Contributors to Volume IX 7 Contents 9 Chapter 1. The Metabolism of Glycine 11 I. Introduction 12 II. The Occurrence of Glycine in Proteins and the Distribution of Glycine 13 III. Nutritional Aspects 25 IV. The Ultimate Fate of Glycine in Animal Metabolism 32 V. The Biosynthesis of Glycine 43 VI. Glycine as an Intermediate in the Biosynthesis of Physiologically Important Compounds 58 References 91 Chapter 2. The Digestion of Protein and Nitrogenous Compounds in Ruminants 103 I. Introduction 103 II. Evidence from Direct Study of Rumen Function 105 III. Evidence from Feeding Experiments 117 IV. Conclusion 123 References 124 Chapter 3. The Resolution of Racemic α-Amino Acids 131 I. Introduction 132 II. Chemical Methods of Separation of the Optical Isomerides 139 IIIA. Separation of Diastereoisomers 159 IIIB. Separation of Meso from Racemic Modifications 165 IIIC. S-Stereoisomers of Methionine Sulfoxide 166 IV. Biological Methods of Separation of the Optical Isomerides 167 V. Criteria of Optical Purity 197 VI. A Suggested Empirical Relation between Molar Rotation and the Structure of Homologous Straight-Chain α-Amino Acids 201 References 203 VII. Contribution of Molar Rotations of α-and ω-Carbon Atoms to the Molar Rotation of Diastereoisomeric Amino Acids 203 Chapter 4. Naturally Occurring Trypsin Inhibitors 213 I. Introduction 213 II. Survey of Trypsin Inhibitors 215 III. Properties 224 IV. Formation of Complexes with Trypsin 231 V. Temporary Inhibition of Trypsin 242 VI. Reactions with Chymotrypsins 243 VII. Reactions with Other Enzymes 246 References 248 Chapter 5. The Formation, Composition, and Properties of the Keratins 253 I. Introduction 254 II. Keratinization and Morphological Structure 254 III. Properties of Solubilized Keratin Derivatives 267 IV. Analytical Characterization of Keratins 281 References 305 Chapter 6. The Molecular Structure of Simple Substances Related to Proteins 309 I. Introduction 309 II. Molecules with One Peptide Bond 311 III. Molecules with Two Peptide Bonds 316 IV. Molecules with C—C Bonds 323 V. Molecules with C—O and S—S Bonds 325 VI. Configuration of a Polypeptide Chain and the Internal Rotation about Single Bonds 326 References 332 Chapter 7. Protein-Protein Interactions 335 I. Introduction 336 II. Group Interactions 338 III. The Native Protein 351 IV. Specific Interactions 369 V. Discussion 424 References 439 Chapter 8. Physicochemical and Biological Aspects of Proteins at Interfaces 449 I. General Introduction 450 II. Techniques 451 III. Formation and Physical Properties of Protein and Poly-α-amino-acid Monolayers 454 IV. Interactions with Protein Monolayers 496 V. The Effect of Spreading on the Activity of Enzymes 503 VI. The Living Cell 505 VII. Conclusions 508 References 508 Author Index 513 Subject Index 537 Show more