- BSMAP, a novel protein expressed specifically in the brain whose gene is localized on chromosome 19p12. Elson, G.C., de Coignac, A.B., Aubry, J.P., Delneste, Y., Magistrelli, G., Holzwarth, J., Bonnefoy, J.Y., Gauchat, J.F. Biochem. Biophys. Res. Commun. (1999)