P06346 HB2F_MOUSE H-2 class II histocompatibility antigen, A-F beta chain H2-Ab1 Mus musculus (Mouse) 252 AA P14483 HB2A_MOUSE H-2 class II histocompatibility antigen, A beta chain H2-Ab1 , H2-iabetaMus musculus (Mouse) 265 AA P06345 HB2S_MOUSE H-2 class II histocompatibility antigen, A-S beta chain H2-Ab1 Mus musculus (Mouse) 263 AA P06342 HB2Q_MOUSE H-2 class II histocompatibility antigen, A-Q beta chain H2-Ab1 Mus musculus (Mouse) 265 AA P06343 HB2K_MOUSE H-2 class II histocompatibility antigen, A-K beta chain H2-Ab1 Mus musculus (Mouse) 263 AA P01921 HB2D_MOUSE H-2 class II histocompatibility antigen, A-D beta chain H2-Ab1 Mus musculus (Mouse) 265 AA P04230 HB21_MOUSE H-2 class II histocompatibility antigen, E-B beta chain H2-Eb1 Mus musculus (Mouse) 264 AA P18468 HB2I_MOUSE H-2 class II histocompatibility antigen, I-A beta chain H2-Eb1 Mus musculus (Mouse) 264 AA P18469 HB2J_MOUSE H-2 class II histocompatibility antigen, I-E beta chain H2-Eb1 Mus musculus (Mouse) 264 AA P04231 HB23_MOUSE H-2 class II histocompatibility antigen, E-S beta chain H2-Eb1 Mus musculus (Mouse) 232 AA