GO:0002495

antigen processing and presentation of peptide antigen via MHC class II

Details: 
The process in which an antigen-presenting cell expresses a peptide antigen on its cell surface in association with an MHC class II protein complex. The peptide antigen is typically, but not always, processed from a whole protein. [GOC:add, ISBN:0781735149, PMID:15531770, PMID:15771591]
Evidence Code: 
IDA