. "\"The process in which an antigen-presenting cell expresses a peptide antigen on its cell surface in association with an MHC class I protein complex. Class I here refers to classical class I molecules.\" [GOC:add, ISBN:0781735149, PMID:15224092, PMID:15771591]" . . "antigen processing and presentation of peptide antigen via MHC class I" . "peptide antigen processing and presentation via MHC class I" . "Reactome:REACT_110097 \"Class I MHC mediated antigen processing & presentation, Sus scrofa\"" . "Reactome:REACT_114442 \"Class I MHC mediated antigen processing & presentation, Xenopus tropicalis\"" . "Reactome:REACT_75820 \"Class I MHC mediated antigen processing & presentation, Homo sapiens\"" . "Reactome:REACT_77569 \"Class I MHC mediated antigen processing & presentation, Rattus norvegicus\"" . "Reactome:REACT_83138 \"Class I MHC mediated antigen processing & presentation, Bos taurus\"" . "Reactome:REACT_84092 \"Class I MHC mediated antigen processing & presentation, Taeniopygia guttata\"" . "Reactome:REACT_86224 \"Class I MHC mediated antigen processing & presentation, Mus musculus\"" . "Reactome:REACT_88020 \"Class I MHC mediated antigen processing & presentation, Danio rerio\"" . "Reactome:REACT_90151 \"Class I MHC mediated antigen processing & presentation, Canis familiaris\"" . "Reactome:REACT_94042 \"Class I MHC mediated antigen processing & presentation, Gallus gallus\"" . .