1. Domainex Ltd. (NCE Discovery), 324 Cambridge Science Park, Cambridge CB4 0WG, U.K.
2. Ark Therapeutics, Structural and Molecular Biology, UCL, Gower Street, London WC1E 6BT, U.K.
3. Ark Therapeutics Ltd., Rayne Building, 5 University Street, London WC1E 6JJ, U.K.
4. Centre for Cardiovascular Biology and Medicine, BHF Laboratories at UCL, 5 University Street, London WC1E 6JJ, U.K.
5. Division of Molecular Structure, MRC National Institute for Medical Research, The Ridgeway, Mill Hill, London NW7 1AA, U.K.
6. Structural and Molecular Biology, UCL, Gower Street, London WC1E 6BT, U.K.
7. Biological and Medicinal Chemistry Group, Wolfson Institute for Biomedical Research, UCL, Gower Street, London WC1E 6BT, U.K.