- The PEBP2beta/CBF beta-SMMHC chimeric protein is localized both in the cell membrane and nuclear subfractions of leukemic cells carrying chromosomal inversion 16. Kanto, S., Chiba, N., Tanaka, Y., Fujita, S., Endo, M., Kamada, N., Yoshikawa, K., Fukuzaki, A., Orikasa, S., Watanabe, T., Satake, M. Leukemia (2000)