>1ydp_P mol:protein length:9 histone 2a peptide RIIPRHLQL >1ydp_B mol:protein length:100 Beta-2-microglobulin MIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSK DWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM >1ydp_A mol:protein length:275 MHC class I antigen SHSMRYFSAAVSRPGRGEPRFIAMGYVDDTQFVRFDSDSASPRMEPRAPWVEQEGPEYW EEETRNTKAHAQTDRMNLQTLRGYYNQSEASSHTLQWMIGCDLGSDGRLIRGYERYAYD GKDYLALNEDLRSWTAADTAAQISKRKCEAANVAEQRRAYLEGTCVEWLHRYLENGKEM LQRADPPKTHVTHHPVFDYEATLRCWALGFYPAEIILTWQRDGEDQTQDVELVETRPAG DGTFQKWAAVVVPSGEEQRYTCHVQHEGLPEPLMLRWKQ >1ydp_P mol:protein length:9 histone 2a peptide RIIPRHLQL