Term Name:	preribosome, large subunit precursor
Synonyms:	66S preribosome
Definition:	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.
Ontology:	GO: Cellular Component [GO:0030687]    QuickGO    AmiGO