major histocompatibility complex molecule

synonym: MHC molecule
https://doi.org/10.1351/goldbook.13434
Any of the cell-surface glycoprotein alloantigens encoded by the major histocompatibility complex (MHC) that are involved in the regulation of immune responses and can cause the rejection of grafted tissues, cells, and tumors bearing them.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1209 [Terms] [Paper]