Pietak A, Levin M (2017) Bioelectric gene and reaction networks: computational modelling of genetic, biochemical and bioelectrical dynamics in pattern regulation. J R Soc Interface
http://dx.doi.org/10.1098/rsif.2017.0425

are available (S2, S3) in the supplementary figure and data area of the paper:
http://rsif.royalsocietypublishing.org/content/14/134/20170425.figures-only

and requires the BETSE cross platform simulator available from here:

https://gitlab.com/betse/betse

Please see the citation rules here if you use BETSE in your work:

https://ase.tufts.edu/biology/labs/levin/resources/software.htm