- Copper-transporting P-type adenosine triphosphatase (ATP7B) is expressed in human breast carcinoma. Kanzaki, A., Toi, M., Neamati, N., Miyashita, H., Oubu, M., Nakayama, K., Bando, H., Ogawa, K., Mutoh, M., Mori, S., Terada, K., Sugiyama, T., Fukumoto, M., Takebayashi, Y. Jpn. J. Cancer Res. (2002)