SBSPKSv2: structure-based sequence analysis of polyketide synthases and non-ribosomal peptide synthetases,
Khater, S., M. Gupta, P. Agrawal, N. Sain, J. Prava, P. Gupta, M. Grover, N. Kumar, D. Mohanty (2017),
Nucleic Acids Res., 45, W1 p. W72–W79,
10.1093/nar/gkx344.