1. Conformational changes of membrane-bound (Na⁺−K⁺)-ATPase as revealed by antibody inhibition

   • H. Koepsell

   OriginalPaper Pages: 1 - 20

2. Structural simplicity of theZonula Occludens in the electrolyte secreting epithelium of the avian salt gland

   • Clara V. Riddle
   • Stephen A. Ernst

   OriginalPaper Pages: 21 - 35

3. A model for proton translocation in biomembranes based on keto-enol shifts in hydrogen bonded peptide groups

   • Celik Kayalar

   OriginalPaper Pages: 37 - 42

4. Effects of bicarbonate on fluid and electrolyte transport by the guinea pig gallbladder: A bicarbonate-chloride exchange

   • Konrad Heintze
   • Karl-Uwe Petersen
   • John R. Wood

   OriginalPaper Pages: 43 - 59

5. Interaction of tritium-labeled H₂DIDS (4,4′-diisothiocyano-1,2,diphenyl ethane-2,2′disulfonic acid) with the ehrlich mouse ascites tumor cell

   • Charles Levinson
   • Rebecca J. Corcoran
   • Ellen H. Edwards

   OriginalPaper Pages: 61 - 79

6. Active and passive properties of rabbit descending colon: A microelectrode and nystatin study

   • N. K. Wills
   • S. A. Lewis
   • D. C. Eaton

   OriginalPaper Pages: 81 - 108

7. Theory of lipid bilayer phase transitions as detected by fluorescent probes

   • Juan Yguerabide
   • Margaret C. Foster

   OriginalPaper Pages: 109 - 123

8. Partition of a fluorescent molecule between liquid-crystalline and crystalline regions of membranes

   • Margaret C. Foster
   • Juan Yguerabide

   OriginalPaper Pages: 125 - 146

9. Isolation of an abnormally phosphorylated erythrocyte membrane band 3 glycoprotein from patients with myotonic muscular dystrophy

   • Pierre Wong
   • Allen D. Roses

   OriginalPaper Pages: 147 - 166

10. Announcement

    Announcement Pages: 167 - 167