The MH or major histocompatibility comprise MH class I (MH1) and MH class II (MH2). Peptide/MH complexes are designated as pMH1 or pMH2. Peptide may be covalently linked (engineered) to one of the MH domain.
Abbreviations:
MHC: Major histocompatibility complex
HLA: human MHC
H2: mouse MHC
GeneOntology:
GO:0042611 MHC protein complex