Contents 
277 Structural Basis of Interactions Within and Between Macromolecules 
Brian W. Matthews, Ph.D., D.Sc. 
279 What Viruses Are Telling Us About Gene Regulation in Mammalian Cells 
Steven Lanier McKnight, Ph.D. 
281 Fundamental Mechanisms of Ion Channel Proteins 
Christopher Miller, Ph.D. 
283 Neural Foundations of Vision 
J. Anthony Movshon, Ph.D. 
285 Human Retroviral Gene Expression and Cellular Transcription 
Gary J. Nabel, M.D., Ph.D. 
287 Molecular Analysis of Muscle Development and Function 
Bernardo Nadal-Ginard, M.D., Ph.D. 
289 The Genomic Response to Growth Factors 
Daniel Nathans, M.D. 
291 Molecular Biology of Visual Pigments 
Jeremy Nathans, M.D., Ph.D. 
293 Gene Regulation in Animal Cells 
Joseph R. Nevins, Ph.D. 
295 Molecular Genetics of X-linked Disease 
Robert L. Nussbaum, M.D. 
297 Function of Oncogenes in Early Embryogenesis 
Roel Nusse, Ph.D. 
25^5^ Molecular Mechanisms That Regulate B Cell Development 
Michel C. Nussenzweig, M.D., Ph.D. 
301 Mechanism of DMA Replication 
Michael E. O'Donnell, Ph.D. 
303 Large-Scale Analysis of Yeast and Human DNA 
Maynard V. Olson, Ph.D. 
305 Molecular Genetic Studies of Hematopoietic Cells 
Stuart H. Orkin, M.D. 
307 Albinism and Tyrosinase 
Paul A. Overbeek, Ph.D. 
309 Structural Studies of DNA-binding Proteins 
Carl O. Pabo, Ph.D. 
313 The X and Y Chromosomes in Mammalian Development 
David C. Page, M.D. 
xi 
