P.  Rathinaswamy, Gaikwad, S. M., Suresh, C. G., Prabhune, A., Brannigan, J. A., Dodson, G. G., and Pundle, A. V., ?Purification and characterization of YxeI, a penicillin acylase from Bacillus subtilis?, International Journal of Biological Macromolecules, vol. 50, no. 1, pp. 25-30, 2012.

D.  Chand, Varshney, N. K., Ramasamy, S., Panigrahi, P., Brannigan, J. A., Wilkinson, A. J., and Suresh, C. G., ?Structure mediation in substrate binding and post-translational processing of penicillin acylases: Information from mutant structures of Kluyvera citrophila penicillin G acylase?, Protein Science, vol. 24, no. 10, pp. 1660-1670, 2015.