E3SFM9 E3SFM9_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 590 AA A6MW55 A6MW55_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 498 AA A6MW56 A6MW56_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 481 AA B7Z1E3 B7Z1E3_HUMAN Pro-neuregulin-1, membrane-bound isoform Homo sapiens (Human) 483 AA A6MW54 A6MW54_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 454 AA A0A494C1B5 A0A494C1B5_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 483 AA B0FYA9 B0FYA9_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 458 AA A0A494C0K4 A0A494C0K4_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 459 AA A0A494C0L9 A0A494C0L9_HUMAN Pro-neuregulin-1, membrane-bound isoform NRG1 Homo sapiens (Human) 522 AA