19F-NMR reveals the role of mobile loops in product and inhibitor binding by the São Paolo metallo-β-lactamase by Abboud, M, Hinchliffe, P, Brem, J, Macsics, R, Pfeffer, I, Makena, A, Umland, K, Rydzik, A, Li, G, Spencer, J, Claridge, T, Schofield, C