Hadonou, A. M., Wilkin, J.-M., Varetto, L., Joris, B., Lamotte-Brasseur, J., Klein, D., Duez, C., Ghuysen, J.-M., & Frère, J.-M. (01 July 1992). Site-Directed Mutagenesis of the Streptomyces R61 Dd-Peptidase. Catalytic Function of the Conserved Residues around the Active Site and a Comparison with Class-a and Class-C Beta-Lactamases.
European Journal of Biochemistry, 207 (1), 97-102. doi:10.1111/j.1432-1033.1992.tb17025.x
https://hdl.handle.net/2268/5960