Neuregulin Receptor

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme|Receptor

**Definition:** Comprised of the erbB2, erbB3, and erbB4 proteins. These proteins form homo and heterodimers, which complicates the assignment of specificities: it is known that erbB2 homodimer do not bind heregulin, but erbB2/erbB3 heterodimers do.

**Synonyms:** - Heregulin Receptor