1. Demuris Ltd., The Biosphere, Draymans Way, Newcastle Helix, Newcastle upon Tyne NE4 5BX, United Kingdom
2. Vernalis (R&D) Ltd., Granta Park, Abington, Cambridge CB21 6GB, United Kingdom
3. Department of Chemical Biology & Therapeutics, and Department of Structural Biology, St. Jude Children’s Research Hospital, Memphis, Tennessee 38105, United States