- Use of a cDNA recombinant for the gamma-subunit of mouse nerve growth factor to localize members of this multigene family near the TAM-1 locus on chromosome 7. Howles, P.N., Dickinson, D.P., DiCaprio, L.L., Woodworth-Gutai, M., Gross, K.W. Nucleic Acids Res. (1984)