Biology — Visual Phototransduction

{
  "elements":[
    {"data":{"id":"light","label":"Photon"}},
    {"data":{"id":"rhod","label":"Rhodopsin"}},
    {"data":{"id":"trans","label":"Transducin"}},
    {"data":{"id":"pde","label":"PDE"}},
    {"data":{"id":"cgmp","label":"cGMP falls"}},
    {"data":{"id":"channel","label":"Na+ channels close"}},
    {"data":{"id":"hyper","label":"Hyperpolarisation"}},
    {"data":{"id":"signal","label":"Signal to brain"}},
    {"data":{"source":"light","target":"rhod"}},
    {"data":{"source":"rhod","target":"trans"}},
    {"data":{"source":"trans","target":"pde"}},
    {"data":{"source":"pde","target":"cgmp"}},
    {"data":{"source":"cgmp","target":"channel"}},
    {"data":{"source":"channel","target":"hyper"}},
    {"data":{"source":"hyper","target":"signal"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}