NRG1 beta 1 Protein, Human, Recombinant (His)SMDF, Pro-NRG1, Pro-NRG 1, Pro-neuregulin-1, membrane-bound isoform, NRG1-IT2, NRG1-beta 1, NRG1 β1, NRG1 α, NRG1, NRG 1, Neuregulin 1, neuregulin 1, neuregulin, NDF, MSTP-131, MSTP131, MSTP 131, MST-131, MST131, MST 131, membrane-bound isoform, HRGA, HRG-1, HRG1, HRG 1, HRG, HGL, Heregulin beta-1, GGF-2, GGF2, GGF 2, GGF, ARIA