>tr|B7Z1E3|B7Z1E3_HUMAN Pro-neuregulin-1, membrane-bound isoform OS=Homo sapiens MQIPKHISIEDITATSTSTTGTSHLVKCAEKEKTFCVNGGECFMVKDLSNPSRYLCKCPN EFTGDRCQNYVMASFYKAEELYQKRVLTITGICIALLVVGIMCVVAYCKTKKQRKKLHDR LRQSLRSERNNMMNIANGPHHPNPPPENVQLVNQYVSKNVISSEHIVEREAETSFSTSHY TSTAHHSTTVTQTPSHSWSNGHTESILSESHSVIVMSSVENSRHSSPTGGPRGRLNGTGG PRECNSFLRHARETPDSYRDSPHSERYVSAMTTPARMSPVDFHTPSSPKSPPSEMSPPVS SMTVSMPSMAVSPFMEEERPLLLVTPPRLREKKFDHHPQQFSSFHHNPAHDSNSLPASPL RIVEDEEYETTQEYEPAQEPVKKLANSRRAKRTKPNGHIANRLEVDSNTSSQSSNSESET EDERVGEDTPFLGIQNPLAASLEATPAFRLADSRTNPAGRFSTQEEIQARLSSVIANQDP IAV