- A deubiquitinating enzyme, UCH/CeUBP130, has an essential role in the formation of a functional microtubule-organizing centre (MTOC) during early cleavage in C. elegans. Lee, J., Jee, C., Lee, J.I., Lee, M.H., Lee, M.H., Koo, H.S., Chung, C.H., Ahnn, J. Genes Cells (2001)