European Molecular Biology Laboratory Outstation
The European Bioinformatics Institute
Wellcome Trust Genome Campus
Hinxton, Cambridge, CB10 1SD, UK
Telephone: +44 1223 494414
Fax: +44 1223 494468
email: geoff@ebi.ac.uk
This is a preprint of a paper published in:
(1998), Acta Cryst D54, 1139-1146.
Please see that journal for the final corrected version.