E-W17, H-2 class II histocompatibility antigen, E-B beta chain, H-2 class II histocompatibility antigen, E-D beta chain, H-2 class II histocompatibility antigen, E-Q beta chain, H-2 class II histocompatibility antigen, E-S beta chain, H-2 class II histoco
H-2 class II histocompatibility antigen, E-D beta chain