Ready-to-use ELISA kits are available for the detection of NOGO-B, an alias of the protein, reticulon 4. The official gene symbol is RTN4. The protein, with a mass of 129.9 kDa and length of 1192 residues, is reported to be membrane-associated. It may be known by other names, including: reticulon 5, neuroendocrine-specific protein C homolog, neurite growth inhibitor 220, foocen, My043 protein, and Human NogoA, and NI220/250.