A protein complex that forms a subcomplex of the 90S preribosome. In S. cerevisiae, it is composed of Mpp10p, Imp3p and Imp4p.
Source:PMID:17515605,
GOC:mah
Comment
Note that the term name uses Saccharomyces gene product names because no other names have yet arisen for this complex; the term nevertheless can be used for analogous complexes in other eukaryotes, and the name can be changed if better wording is found.