1. Announcement

   • W. Junk

   Announcement Pages: III - III

2. Introduction

   • Victor A. Najjar

   Announcement Pages: V - VI

3. Transaldolase: A model for studies of isoenzymes and half-site enzymes

   • O. Tsolas
   • B. L. Horecker

   General and Review Articles Pages: 3 - 13

4. Enzymology at sub-zero temperatures

   • Pierre Douzou

   General and Review Articles Pages: 15 - 27

5. Mechanisms and physiological roles of fatty acid chain elongation in microsomes and mitochondria

   • W. Seubert
   • E. R. Podack

   General and Review Articles Pages: 29 - 40

6. Current problems on the structure and classification of mammalian liver carboxylesterases (EC 3.1.1.1)

   • W. Junge
   • K. Krisch

   General and Review Articles Pages: 41 - 52

7. Electron microscope studies of glycogen synthase

   • Lionel I. Rebhun
   • Carl Smith
   • Joseph Larner

   General and Review Articles Pages: 55 - 61

8. Interchangeability of factors and tRNA's in bacterial and eukaryotic translation initiation systems

   • Francis Berthelot
   • Daria Bogdanovsky
   • François Gros

   General and Review Articles Pages: 63 - 72

9. Separation of two monoamine oxidases from bovine bran

   • Roy McCauley
   • Efraim Racker

   General and Review Articles Pages: 73 - 81

10. RNA precursor molecules and ribonucleases in E. coli

    • Sidney Altman
    • Hugh D. Robertson

    General and Review Articles Pages: 83 - 93

11. Anomalous electrochemical behavior of clostripain: Evidence for disulfide isolation conformers

    • William H. Porter
    • William M. Mitchell

    General and Review Articles Pages: 95 - 99

12. The Bacillus megaterium ribonucleotide reductase: Evidence for a B₁₂ coenzyme requirement

    • S. Yau
    • J. T. Wachsman

    General and Review Articles Pages: 101 - 105

13. Catecholamine synthetic enzymes of spontaneously hypertensive rats and microbial hypotensive products

    • T. Nagatsu
    • K. Mizutani
    • T. Takeuchi

    General and Review Articles Pages: 107 - 113

14. Walk in the sun

    • Efraim Racker

    Arts in Science Pages: 117 - 117

15. Quartet

    • Efraim Racker

    Arts in Science Pages: 119 - 119

16. Dry ink drawing of Röntgen

    • Fernando G. Bloedorn

    Arts in Science Pages: 121 - 121

17. My castle in the air

    Arts in Science Pages: 123 - 123

18. Characterization of glucose oxidase immobilized on collagen

    • Alkis Constantinides
    • Wolf R. Vieth
    • Peter M. Fernandes

    Technical Articles Pages: 127 - 133