Authors: Toogood, HS Smith, CA Baker, EN Daniel, RM

Citation: Hs. Toogood et al., Purification and characterization of Ak.1 protease, a thermostable subtilisin with a disulphide bond in the substrate-binding cleft, BIOCHEM J, 350, 2000, pp. 321-328

Authors: Smith, CA Toogood, HS Baker, HM Daniel, RM Baker, EN

Citation: Ca. Smith et al., Calcium-mediated thermostability in the subtilisin superfamily: The crystal structure of Bacillus Ak.1 protease at 1.8 angstrom resolution, J MOL BIOL, 294(4), 1999, pp. 1027-1040