Apo-

{
  "id": "MLC-T-CHM-000736",
  "term": "Apo-",
  "field": "Chemistry",
  "definition": "A prefix with two main chemical uses. In biochemistry it marks the protein part of a conjugated protein or enzyme from which the cofactor or prosthetic group is absent, as in apoenzyme and apoprotein. In organic nomenclature it follows a locant to show that everything in the molecule past that carbon atom has been replaced by hydrogen atoms, as in the apocarotenoids.",
  "subject": "Chemistry and Human Health",
  "references": [
    "White Book, 2nd ed., p. 230 (https://iupac.qmul.ac.uk/bibliog/white.html)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/apo/"
}