>sp|P06341|HB2A_RAT Rano class II histocompatibility antigen, A beta chain OS=Rattus norvegicus GN=RT1-B DFVYQFKGLCYYTNGTQRIRSVDRRFYNQEEFLRYDSDVGEFRALTELGRSWADDWNSQK EILEQKRAEMDTVCRYNYEETEVPTSLRRLERPNVAISLSRTEALNHHNLLVCSVTDFYP AQIKVRWFRNGQEETTGVVSTQLIKNGDWTFQILVMLEMTPQRGDVYTCHVDHASLESPV TVEWRAQSESAQSKMLSGIGGLVLGVIFLGLGLFIRHKRQKGPQGPPPAGLLQ