GO:0055087

A protein complex that regulates RNA degradation by the exosome complex. In Saccharomyces the complex has a heterotetrameric stoichiometry consisting of one copy each of Ski2p and Ski3 and two copies of Ski8p. [GOC:mcc, PMID:10744028, PMID:15703439, PMID:16043509, PMID:18042677]