1. Overview of the meeting

   EditorialNotes Pages: 475 - 475

2. Divergence of glutamate and glutamine aminoacylation pathways: Providing the evolutionary rationale for mischarging

   • Kelley C. Rogers
   • Dieter Söll

   Articles Pages: 476 - 481

3. Searching tRNA sequences for relatedness to aminoacyl-tRNA synthetase families

   • Hugh B. Nicholas Jr.
   • William H. McClain

   Articles Pages: 482 - 486

4. Phylogenetic Analysis of the Aminoacyl-tRNA synthetases

   • Glenn M. Nagel
   • Russell F. Doolittle

   Articles Pages: 487 - 498

5. The class II aminoacyl-tRNA synthetases and their active site: Evolutionary conservation of an ATP binding site

   • Gilbert Eriani
   • Jean Cavarelli
   • Dino Moras

   Articles Pages: 499 - 508

6. Evolution of tRNA recognition systems and tRNA gene sequences

   • Margaret E. Saks
   • Jeffrey R. Sampson

   Articles Pages: 509 - 518

7. Structure, function and evolution of seryl-tRNA synthetases: Implications for the evolution of aminoacyl-tRNA synthetases and the genetic code

   • Michael Härtlein
   • Stephen Cusack

   Articles Pages: 519 - 530

8. An operational RNA code for amino acids and variations in critical nucleotide sequences in evolution

   • Paul Schimmel

   Articles Pages: 531 - 536

9. A comparison of mitochondrial tRNAs in five vertebrates

   • Thomas H. Jukes

   Articles Pages: 537 - 540

10. Speculations on the origin of the genetic code

    • Hyman Hartman

    Articles Pages: 541 - 544

11. Evolution of the aminoacyl-tRNA synthetases and the origin of the genetic code

    • R. Wetzel

    Articles Pages: 545 - 550

12. Forthcoming papers

    Announcement Pages: CO3 - CO3