Please cite Gopalakrishnan S., Pakrasi H.B., Maranas C.D. (2018), "Elucidation of Photoautotrophic Carbon Flux Topology in Synechocystis PCC 6803 using Genome-scale Carbon Mapping Models", Metabolic Engineering, doi:10.1016/j.ymben.2018.03.008 for suing this code.