- A novel nuclear protein, 5qNCA (LOC51780) is a candidate for the myeloid leukemia tumor suppressor gene on chromosome 5 band q31. Hu, Z., Gomes, I., Horrigan, S.K., Kravarusic, J., Mar, B., Arbieva, Z., Chyna, B., Fulton, N., Edassery, S., Raza, A., Westbrook, C.A. Oncogene (2001)