Combining with a neuregulin, a member of the EGF family of growth factors, and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
Source:
GOC:signaling,
GOC:bf,
PMID:16460914,
PMID:20672328
Comment
Consider also annotating to 'ERBB3 signaling pathway ; GO:0038129' and/or 'ERBB4 signaling pathway ; GO:0038130'.