W.S. Willett, L.S. Brinen, R.J. Fletterick & C.S. Craik. Delocalizing Trypsin Specificity with Metal-Activation. Biochem; 35. 1996; 5992-5998. 1996 https://researcherprofiles.org/profile/1335087 W.S. Willett, L.S. Brinen, R.J. Fletterick & C.S. Craik. Delocalizing Trypsin Specificity with Metal-Activation. Biochem; 35