1. PQQ and quinoproteins: An important novel field in enzymology

   • J. A. Duine

   OriginalPaper Pages: 3 - 12

2. Quinoproteins in C₁-dissimilation by bacteria

   • C. Anthony

   OriginalPaper Pages: 13 - 23

3. Methanol dehydrogenase: Mechanism of action

   • J. Frank
   • M. Dijkstra
   • J. A. Duine

   OriginalPaper Pages: 25 - 34

4. Quinoprotein ethanol dehydrogenase fromPseudomonas

   • Helmut Görisch
   • Michael Rupp

   OriginalPaper Pages: 35 - 45

5. Regulation of methanol dehydrogenase synthesis inParacoccus denitrificans

   • N. Harms
   • R. J. M. van Spanning
   • A. H. Stouthamer

   OriginalPaper Pages: 47 - 50

6. Physiological significance and bioenergetic aspects of glucose dehydrogenase

   • Oense M. Neijssel
   • Ronald W. J. Hommes
   • David W. Tempest

   OriginalPaper Pages: 51 - 61

7. Quinoprotein D-glucose dehydrogenases inAcinetobacter calcoaceticus LMD 79. 41: Purification and characterization of the membrane-bound enzyme distinct from the soluble enzyme

   • Kazunobu Matsushita
   • Emiko Shinagawa
   • Minoru Ameyama

   OriginalPaper Pages: 63 - 72

8. Cooning of the genes encoding the two different glucose dehydrogenases fromAcinetobacter calcoaceticus

   • Anne-Marie Cleton-Jansen
   • Nora Goosen
   • Pieter van de Putte

   OriginalPaper Pages: 73 - 79

9. Haem-containing protein complexes ofAcinetobacter calcoaceticus as secondary electron acceptors for quinoprotein glucose dehydrogenase

   • A. Geerlof
   • P. Dokter
   • J. A. Duine

   OriginalPaper Pages: 81 - 84

10. Genes involved in the biosynthesis of PQQ fromAcinetobacter calcoaceticus

    • Nora Goosen
    • Harold P. A. Horsman
    • Pieter van de Putte

    OriginalPaper Pages: 85 - 91

11. PQQ: Biosynthetic studies inMethylobacterium AM1 andHyphomicrobium X using specific¹³C labeling and NMR

    • David R. Houck
    • John L. Hanners
    • Johannis A. Duine

    OriginalPaper Pages: 93 - 101

12. Mutants ofMethylobacterium organophilum unable to synthesize PQQ

    • F. Biville
    • P. Mazodier
    • F. Gasser

    OriginalPaper Pages: 103 - 107