1. Subfragment 1: The first crystalline motor

   • Ralph G. Yount

   News and Views Pages: 547 - 551

2. Isometric tension exerted by a myofibril of the frog at 0°C: Geometrical considerations

   • Zalika Merah
   • Jean-Emile Morel

   News and Views Pages: 552 - 553

3. Ca²⁺ inactivation, Mg²⁺ inhibition and malignant hyperthermia

   • G. D. Lamb

   News and Views Pages: 554 - 556

4. Myosin isoforms in smooth muscle: how may they affect function and structure?

   • Andrew P. Somlyo

   Review Pages: 557 - 563

5. Role of extracellular metal cations in the potential dependence of force inactivation in skeletal muscle fibres

   • A. Schnier
   • H. Ch. Lüttgau
   • W. Melzer

   Papers Pages: 565 - 572

6. Contraction-induced movements of water in single fibres of frog skeletal muscle

   • Károly Trombitás
   • Peter Baatsen
   • Gerald H. Pollack

   Papers Pages: 573 - 584

7. Determination of the Ca²⁺ and Mg²⁺ affinity constants of troponin C from eel skeletal muscle and positioning of the single tryptophan in the primary structure

   • Jean-Marie François
   • Charles Gerday
   • James D. Potter

   Papers Pages: 585 - 593

8. The binding of fluorescent phallotoxins to actin in myofibrils

   • Danuta Szczesna
   • Sherwin S. Lehrer

   Papers Pages: 594 - 597

9. Mini-titins in striated and smooth molluscan muscles: structure, location and immunological crossreactivity

   • Peter Vibert
   • Stacey M. Edelstein
   • Bruce W. Elliott Jr

   Papers Pages: 598 - 607

10. ATP formation and ATP hydrolysis during fatiguing, intermittent stimulation of different types of single muscle fibres from Xenopus laevis

    • A. S. Nagesser
    • W. J. Van der Laarse
    • G. Elzinga

    Papers Pages: 608 - 618

11. Forced expression and assembly of rat cardiac troponin T isoforms in cultured muscle and nonmuscle cells

    • Kerri S. Warren
    • Jim J.-C. Lin

    Papers Pages: 619 - 632

12. Differentiation of membrane systems during development of slow and fast skeletal muscle fibres in chicken

    • Hiroaki Takekura
    • Henry Shuman
    • Clara Franzini-Armstrong

    Papers Pages: 633 - 645

13. Postnatal development of rabbit fast-twitch skeletal muscle: accumulation, isoform transition and fibre distribution of calsequestrin

    • Roberta Sacchetto
    • Pompeo Volpe
    • Alfredo Margreth

    Papers Pages: 646 - 653

14. Connectin, giant elastic protein, in giant sarcomeres of crayfish claw muscle

    • Tadashi Manabe
    • Yuuki Kawamura
    • Koscak Maruyama

    Papers Pages: 654 - 665

15. Flash photolysis studies of relaxation and cross-bridge detachment: higher sensitivity of tonic than phasic smooth muscle to MgADP

    • Annette Fuglasang
    • Aleksander Khromov
    • Andrew P. Somlyo

    Papers Pages: 666 - 677