>sp|Q561R0|MZB1_RAT Marginal zone B- and B1-cell-specific protein OS=Rattus norvegicus GN=Mzb1 MRLPLPLLLLFGCRAILGSFGDRVSLSATAPTLDDEEKYASHMPTHLRCDACRAVAYQMG QHLAKAEAKSHTPDSSGSQELSESTYTDVLDRTCSQNWQSYGVQEVNQMKRLMGPGLSKG PEPSISVMITGGPWPNRLSMTCFHYLGEFGEDQIYEAYRQGHETLEALLCGGTHGSCSQE IPAQREEL