| Citation | Janet Thornton is distinguished for her contribution to understanding protein three-dimensional structure: her perceptive comparative studies have led to the development of algorithms that are used to analyse and make predictions of supersecondary and tertiary sructure. In the 1970s at Oxford (with M J Sternberg) she established clear and useful rules for the handedness of B-a-B units and demonstrated valid methods for prediction of the ordering of strands in B-sheets. At Birkbeck she developed this work to define families of conformations in B-hairpins and aB-links where the structures had previously been assumed at random. She has made the most comprehensive and useful analyses of tertiary interactions of protein sidechains, leading to an atlas that is valuable for protein and ligand design. The atlas is used widely in both academia and the pharmaceutical industry. At University College she has developed studies of sidechain conformation and stereochemistry into a procedure, PROCHECK, for evaluating the quality of experimentally defined protein structures: this is used widely to check protein structures. She has presented a method, known as threading, which gives strong evidence about tertiary structure for a protein sequence which is not obviously homologous to any other known structure. |