Biology — MAPK / ERK Cascade

{
  "elements":[
    {"data":{"id":"gf","label":"Growth factor"}},
    {"data":{"id":"rtk","label":"RTK"}},
    {"data":{"id":"ras","label":"Ras-GTP"}},
    {"data":{"id":"raf","label":"Raf (MAPKKK)"}},
    {"data":{"id":"mek","label":"MEK (MAPKK)"}},
    {"data":{"id":"erk","label":"ERK (MAPK)"}},
    {"data":{"id":"tf","label":"Transcription factors"}},
    {"data":{"source":"gf","target":"rtk"}},
    {"data":{"source":"rtk","target":"ras","label":"GRB2/SOS"}},
    {"data":{"source":"ras","target":"raf"}},
    {"data":{"source":"raf","target":"mek"}},
    {"data":{"source":"mek","target":"erk"}},
    {"data":{"source":"erk","target":"tf","label":"proliferation"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}