>sp|A5PJ93|MZB1_BOVIN Marginal zone B- and B1-cell-specific protein OS=Bos taurus GN=MZB1 MRLSLLLLLPLLGAWAIPGGFGDEASLTATAPELDDEEKFSTHIPTHLRCDACRAVAYQM WQHLTKAEAKLLPLDSGGRRELSESVYTDVLDQSCSQTWQGYGVGEVDQVKRLMGPGLST GAQPSIMVMIMEGLWPTRLSKTCFHYLGEFGEDQIYEAHQQGRGTLEALLCGGPRGACSE KAPDTRTEL