1. Editorial

   EditorialNotes Pages: 3 - 3

2. Kinetics of subtilisin and thiolsubtilisin

   • M. Philipp
   • M. L. Bender

   Review Pages: 5 - 32

3. Ion binding to calmodulin

   • Marie-Claude Kilhoffer
   • Jacques Haiech
   • Jacques G. Demaille

   Review Pages: 33 - 54

4. Intermolecular double-stranded structures in RNA from nuclear and cytoplasmic ribonucleoproteins of rat liver

   • Zofia Lassota
   • Anna Krówczyńska

   OriginalPaper Pages: 55 - 60

5. Biosynthesis of amino acids from sucrose and Krebs cycle metabolites by Rhizobium lupini bacteroids

   • W. L. Kretovich
   • T. I. Kariakina
   • G. L. Shaposhnikov

   OriginalPaper Pages: 61 - 66

6. Differential effect of vanadate on DNA synthesis induced by mitogens in T and B lymphocytes

   • M. Ramanadham
   • Milton Kern

   OriginalPaper Pages: 67 - 71

7. Spin labelling studies of cytolysis induced by fatty acids

   • A. F. Burton
   • L. H. Piette

   OriginalPaper Pages: 73 - 78

8. Subsite structure and ligand binding mechanism of glucoamylase

   • Keitaro Hiromi
   • Masatake Ohnishi
   • Akiyoshi Tanaka

   OriginalPaper Pages: 79 - 95