protein-containing complex type VI protein secretion system complex T6SS complex A complex of proteins that permits the transfer of proteins into the extracellular milieu or directly into host cells via the type VI secretion system. Proteins secreted by this complex do not require an N-terminal signal sequence. [database_cross_reference: GOC:mlg][database_cross_reference: PMID:16432199][database_cross_reference: PMID:16763151] http://purl.obolibrary.org/obo/go.owl