Andrew David King this really is a blog, I think…

Autoregulatory Model

Reactions:

Repression:
DNA+P2 -> DNA.P2
DNA.P2 -> DNA + P2

Transcription:
DNA -> DNA + RNA

Translation:
RNA -> RNA + P

Dimerisation:
2P -> P2
P2 -> 2P

Degradation:
RNA -> Ø
P -> Ø