Kinetic and structural characterization of the first B3 metallo-β-lactamase with an active-site glutamic acid gan Wilson, LA, Knaven, EG, Morris, MT, Monteiro Pedroso, M, Schofield, CJ, Brück, TB, Boden, M, Waite, DW, Hugenholtz, P, Guddat, L, Schenk, G