- Assignment of the gene for neuroendocrine protein 7B2 (SGNE1 locus) to mouse chromosome region 2[E3-F3] and to human chromosome region 15q11-q15. Mattei, M.G., Mbikay, M., Sylla, B.S., Lenoir, G., Mattei, J.F., Seidah, N.G., Chretien, M. Genomics (1990)