1 F. H. Allen, J. E. Daview, J. J. Galloy, O. Johnson, O. Kennard, C. F. Macrae, E. M. Mitchell, G. F. Mitchell, J. M. Smith and D. G. Watson, J. Chem. Inf. Comp. Sci., 1991, 31, 187.

2 The Protein Data Bank, Chemistry Department, Brookhaven National Laboratory, Upton, NY.

3 H. S. Rzepa, B. J. Whitaker, and M. J. Winter, J. Chem. Soc., Chem. Commun., 1994, 1907.

4 For specific details of programs and techniques used, see H. S. Rzepa, "Chemistry and the World-Wide-Web", in "Chemistry and the Internet", Ed. S. Bachrach, ACS Publications, 1995, to be published.

5 T.J. Berners-Lee, 'WWW Names and Addresses, URIs, URLs, URNs', CERN, Geneva, 1993. See http://info.cern.ch/hypertext/WWW/Addressing/Addressing.html.

6 N. Borenstein and N. Freed, Internet Request for Comment (RFC) No. 1521, 1993. See also http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/Docs/mailcap.html

7 H. S. Rzepa and P. Murray-Rust, Internet Draft: Chemical Mime Type, May-November 1994. See ftp://cnri.reston.va.us/internet-drafts/draft-rzepa-chemical-mime-type-00.txt

8 R. Sayle, RasMol: A Molecular visualisation System.

9 O. Casher, H. S. Rzepa and S. Green, J Mol Graphics, 1994, in press.

10 XMol, Minnesota SuperComputer Center, Minneapolis, Mn, USA., see http://www.arc.umn.edu/GVL/Software/xmol/XMol.html

11 B. J. Whitaker, see http://chem.leeds.ac.uk/Project/mopac-form.html

12J. J. P. Stewart, MOZYME, personal communication.

13 D. O'Hagan and H. S. Rzepa, J. Chem. Soc., Chem. Commun., 1994, issue 17.

14 C. Leach and H. S. Rzepa, First Electronic Computational Chemistry Conference, 1994, submitted for publication.

15 M. Bycroft, R. N. Sheppard, F. T.- Kwong and A. R. Fersht, Biochemistry, 1990, 29, 7425.

16 K. M. Banks, D. R. Hare and B. R. Reid, Biochemistry, 1989, 28, 6996.

17 S. R. Hall, F. H. Allen and I. D. Brown, Acta. Cryst., 1991, A47, 655; F. H. Allen, A. Barnard, A. Cook, S. R. Hall, J. Chem. Inf. Comp. Sci., 1994, in press.

18 T. Taguchi, A. Seko, K. Kitajima, Y. Muto, S. Inoue, K.- H. Khoo, H. R. Morris, A. Dell and Y. Inoue, J. Biol. Chem., 1994, 269, 8762.

19 A. G. M. Barrett, M. L. Boys and T. Boehm, J. Chem. Soc., Chem. Commun, 1994, in press.

20 B. H. Dunford-Shore, F. Fabrizio, J. Holcomb, W. Wise and T. Kazic, Klotho project; Biochemical Compounds Declarative Database, Institute for Biomedical Computing, Washington University. see http://ibc.wustl.edu/klotho/

21 O. Cacher, H. Rzepa and B. J. Whitaker, SuperJanet ATM project, demonstrated on July 13, 1994.