Biology — lac Operon Regulation

{
  "elements":[
    {"data":{"id":"lacI","label":"lacI (repressor gene)"}},
    {"data":{"id":"rep","label":"Repressor"}},
    {"data":{"id":"op","label":"Operator"}},
    {"data":{"id":"lac","label":"Lactose (inducer)"}},
    {"data":{"id":"genes","label":"lacZ Y A"}},
    {"data":{"source":"lacI","target":"rep","label":"makes"}},
    {"data":{"source":"rep","target":"op","label":"binds (off)"}},
    {"data":{"source":"lac","target":"rep","label":"inactivates"}},
    {"data":{"source":"op","target":"genes","label":"controls"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}