A transmembrane protein complex composed of a MHC class I alpha chain and an invariant beta2-microglobin chain, and with or without a bound peptide antigen. Class I here refers to classical class I molecules.
Source:ISBN:0120781859,
GOC:jl,
ISBN:0781735149,
GOC:add
Comment
See also the cellular component term 'MHC class I peptide loading complex ; GO:0042824'.