>tr|A0A8B9XDZ2|A0A8B9XDZ2_BOSMU Marginal zone B and B1 cell specific protein OS=Bos mutus grunniens GN=MZB1 MRLSLLLLLPLLGAWAIPGGFGDEASLTATAPELDDEEKFSTHIPTHLRCDACRAVAYQM WQHLTKAEAKLLPLDSGGRRELSESVYTDVLDQSCSQTWQGYGVGEVDQVKRLMGPGLST GAQPSIMVMIMEGLWPTRLSKTCFHYLGEFGEDQIYEAHQQGRGTLEALLCGGPRGACSE KAPDTRTEL