>1R5V_1|Chains A, D[auth C]|H-2 class II histocompatibility antigen, E-K alpha chain|Mus musculus (10090) EEHTIIQAEFYLLPDKRGEFMFDFDGDEIFHVDIEKSETIWRLEEFAKFASFEAQGALANIAVDKANLDVMKERSNNTPDANVAPEVTVLSRSPVNLGEPNILICFIDKFSPPVVNVTWLRNGRPVTEGVSETVFLPRDDHLFRKFHYLTFLPSTDDFYDCEVDHWGLEEPLRKHWEFEE >1R5V_2|Chains B[auth E], E[auth F]|artificial peptide|null ADLIAYPKAATKF >1R5V_3|Chains C[auth B], F[auth D]|MHC H2-IE-beta|Mus musculus (10090) APWFLEYSKSECHFYNGTQRVRLLVRYFYNLEENLRFDSDVGEFRAVTELGRPDAENWNSQPEFLEQKRAEVDTVCRHNYEIFDNFLVPRRVEPTVTVYPTKTQPLEHHNLLVCSVSDFYPGNIEVRWFRNGKEEKTGIVSTGLVRNGDWTFQTLVMLETVPQSGEVYTCQVEHPSLTDPVTVEW