- GPI transamidase of Trypanosoma brucei has two previously uncharacterized (trypanosomatid transamidase 1 and 2) and three common subunits. Nagamune, K., Ohishi, K., Ashida, H., Hong, Y., Hino, J., Kangawa, K., Inoue, N., Maeda, Y., Kinoshita, T. Proc. Natl. Acad. Sci. U.S.A. (2003)