Affiliation: | (1) Department of Biochemistry, University of Leicester, University Road, Leicester LE1 7RH, U.K;(2) MRC Biomedical NMR Centre, NIMR, Mill Hill, London NW7 1AA, U.K;(3) Department of Biosciences, University of Kent, Canterbury, Kent CT2 7NJ, U.K;(4) TB Research Group, Veterinary Laboratories Agency, New Haw, Surrey KT15 3NB, U.K |