. "\"A preribosomal complex consisting of 27SA, 27SB, and/or 7S pre-rRNA, 5S rRNA, ribosomal proteins including late-associating large subunit proteins, and associated proteins; a precursor of the eukaryotic cytoplasmic large ribosomal subunit.\" [PMID:10567516]" . . "preribosome, large subunit precursor" . "Note that this complex is 66S in Saccharomyces." . . "66S preribosome" .