ELISA kits for the study of the target, c-Neu are available in ready-to-use formats. The protein is also known as erb-b2 receptor tyrosine kinase 2 or ERBB2. It is a 1255-residue protein with a cytoplasmic, nuclear and membrane localization. In addition, up to 6 isoforms have been discovered. Other alias names for this target include: neuroblastoma/glioblastoma derived oncogene homolog, neuro/glioblastoma derived oncogene homolog, human epidermal growth factor receptor 2, herstatin, c-erb B2/neu protein, and receptor tyrosine-protein kinase erbB-2, and proto-oncogene Neu.