PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11509612-3 2001 The crystal structure of HLA-DR2 complexed with myelin basic protein(84-102) confirmed that Lys(91) is the major TCR contact site, whereas Phe(90) is a major anchor to MHC and binds the hydrophobic P4 pocket (2 ). Phenylalanine 139-142 myelin basic protein Homo sapiens 48-68