https://research.cellcollective.org/?dashboard=true#36604:2/signaling-pathway-for-butanol-production-in-clostridium-beijerinckii-nrrl-b598/11

Modifications:
 - Changed AbrB -> sigH to non-essential.
 - Changed sigA -> spo0A_p to non-essential.
 - Changed EtfAB -> ferredoxin to non-essential.
 - Changed butyryl_CoA -> thlA to non-essential.
 - Changed spoIIE -> spoIIAB from activation to inhibition.
 - Changed sporulation -> glucose___PTS to non-essential.