Accessory molecule

{
  "id": "MLC-T-CHM-000103",
  "term": "Accessory molecule",
  "field": "Chemistry",
  "definition": "A cell surface protein that assists in the interaction between immune cells, particularly in the context of antigen recognition and T cell activation. These molecules bind to other cell surface proteins or ligands on antigen-presenting cells, enhancing the affinity and stability of the T-cell receptor complex. Examples include CD4 and CD8, which bind to major histocompatibility complex (MHC) molecules.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "T lymphocyte",
    "T-cell receptor",
    "major histocompatibility complex molecule"
  ],
  "references": [
    "PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1116 (https://doi.org/10.1351/PAC-REC-11-06-03)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/accessory-molecule/"
}