Biology — C4 Photosynthesis

{
  "elements":[
    {"data":{"id":"co2","label":"CO2"}},
    {"data":{"id":"pep","label":"PEP (mesophyll)"}},
    {"data":{"id":"oaa","label":"Oxaloacetate"}},
    {"data":{"id":"mal","label":"Malate"}},
    {"data":{"id":"bs","label":"Bundle sheath"}},
    {"data":{"id":"co2b","label":"CO2 (concentrated)"}},
    {"data":{"id":"calvin","label":"Calvin cycle"}},
    {"data":{"source":"co2","target":"pep","label":"PEP carboxylase"}},
    {"data":{"source":"pep","target":"oaa"}},
    {"data":{"source":"oaa","target":"mal"}},
    {"data":{"source":"mal","target":"bs","label":"transport"}},
    {"data":{"source":"bs","target":"co2b","label":"decarboxylation"}},
    {"data":{"source":"co2b","target":"calvin"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}