>2nna_B mol:protein length:207  MHC class II antigen
GGGGSIEGRGSGGGSRDSPEDFVYQFKGMCYFTNGTERVRLVTRYIYNREEYARFDSDV
GVYRAVTPLGPPAAEYWNSQKEVLERTRAELDTVCRHNYQLELRTTLQRRVEPTVTISP
SRTEALNHHNLLVCSVTDFYPAQIKVRWFRNDQEETTGVVSTPLIRNGDWTFQILVMLE
MTPQRGDVYTCHVEHPSLQNPIIVEWRAQS