1. Effect of phosphate and adenine nucleotides on the rate of labeling of functional groups at the catalytic site of F₁-ATPase

   • Ling Pai Ting
   • Jui H. Wang

   Research Articles Pages: 79 - 93

2. Structural requirements of quinone coenzymes for endogenous and dye-mediated coupled electron transport in bacterial photosynthesis

   • A. Baccarini-Melandri
   • N. Gabellini
   • G. Hauska

   Research Articles Pages: 95 - 110

3. Characterization of conformational changes in (Na,K) ATPase labeled with fluorescein at the active site

   • S. J. D. Karlish

   Research Articles Pages: 111 - 136

4. Phosphate carrier of liver mitochondria: The reaction of its SH groups with mersalyl, 5,5′-dithio-bis-nitrobenzoate, andN-ethylmaleimide and the modulation of reactivity by the energy state of the mitochondria

   • Attila Fonyo
   • Pierre V. Vignais

   Research Articles Pages: 137 - 149

5. Inhibition of electron transfer in the cytochromeb-c ₁ segment of the mitochondrial respiratory chain by a synthetic analogue of ubiquinone

   • Bernard L. Trumpower
   • John G. Haggerty

   Research Articles Pages: 151 - 164

6. Binding to the high-affinity substrate site of the (Na⁺ + K⁺)-dependent ATPase

   • Joseph D. Robinson

   Research Articles Pages: 165 - 174

7. The entry process as the target for energy input in active transport of α-aminoisobutyric acid byMycobacterium phlei

   • R. Devés
   • A. F. Brodie

   Research Articles Pages: 175 - 196

8. Stimulation of electron transport from Photosystem II to Photosystem I in spinach chloroplasts

   • Rita Barr
   • Randa Melhem
   • Frederick L. Crane

   Research Articles Pages: 197 - 203

9. Effect of mersalyl on mitochondrial Mg⁺⁺ flux

   • Joyce Johnson Diwan
   • David Aronson
   • Nancy Owens Gonsalves

   Research Articles Pages: 205 - 212

10. Use of modified adenine nucleotides in mechanistic studies on oxidative phosphorylation: Structure and space at the catalytic site

    • Günter Schäfer
    • Günes Onur
    • Michael Schlegel

    Research Articles Pages: 213 - 232

11. Induction of Na⁺ / K⁺ exchange in swollen heart mitochondria

    • Guey-Yueh Shi
    • Dennis W. Jung
    • Gerald P. Brierley

    Research Articles Pages: 233 - 247

12. Partial characterization of the plasma membrane ATPase from arho ⁰ petite strain ofSaccharomyces cerevisiae

    • James P. McDonough
    • Patrick K. Jaynes
    • Henry R. Mahler

    Research Articles Pages: 249 - 264

13. Effect of ligands on cytochromed fromAzotobacter vinelandii

    • H. F. Kauffman
    • B. F. van Gelder
    • D. V. DerVartanian

    Research Articles Pages: 265 - 276

14. Metronidazole and the isolation of temperature-sensitive photosynthetic mutants in cyanobacteria

    • James A. Guikema
    • Louis A. Sherman

    Research Articles Pages: 277 - 295

15. A stable Na⁺/H⁺ antiporter of thermophilic bacterium PS3

    • Kimihiko Goto
    • Hajime Hirata
    • Yasuo Kagawa

    Research Articles Pages: 297 - 308

16. Dibutylchloromethyltin chloride, a potent inhibitor of electron transport in plant mitochondria

    • Anthony L. Moore
    • Paul E. Linnett
    • R. Brian Beechey

    Research Articles Pages: 309 - 323

17. Interaction of Ca²⁺ and H⁺ with heme A in cytochrome oxidase

    • Herkko Saari
    • Timo Penttilä
    • Mårten Wikström

    Research Articles Pages: 325 - 338

18. Announcement

    Announcement Pages: 339 - 339

19. Editor's note

    EditorialNotes Pages: 341 - 341