1. Introduction

   • Janos K. Lanyi

   EditorialNotes Pages: 137 - 138

2. NMR studies of retinal proteins

   • Ling Zheng
   • Judith Herzfeld

   Minireview Pages: 139 - 146

3. FTIR difference spectroscopy of bacteriorhodopsin: Toward a molecular model

   • Kenneth J. Rothschild

   Minireview Pages: 147 - 167

4. Proton transfer and energy coupling in the bacteriorhodopsin photocycle

   • Janos K. Lanyi

   Minireview Pages: 169 - 179

5. A unifying concept for ion translocation by retinal proteins

   • D. Oesterhelt
   • J. Tittor
   • E. Bamberg

   Minireview Pages: 181 - 191

6. Sensory rhodopsin I: Receptor activation and signal relay

   • John L. Spudich
   • Roberto A. Bogomolni

   Minireview Pages: 193 - 200

7. Photointermediates of visual pigments

   • James W. Lewis
   • David S. Kliger

   Minireview Pages: 201 - 210

8. The ligand-binding domain of rhodopsin and other G protein-linked receptors

   • Daniel D. Oprian

   Minireview Pages: 211 - 217

9. Signal transduction enzymes of vertebrate photoreceptors

   • J. B. Hurley

   Minireview Pages: 219 - 226

10. Effect of ascorbate in the reduction of transferrin-associated iron in endocytic vesicles

    • Aldo Escobar
    • Victoria Gaete
    • Marco Tulio Núñez

    Original Articles Pages: 227 - 233

11. Coenzyme Q-pool function in glycerol-3-phosphate oxidation in hamster brown adipose tissue mitochondria

    • Hana Rauchová
    • Maurizio Battino
    • Zdeněk Drahota

    Original Articles Pages: 235 - 241