90S preribosome

id: GO:0030686
name: 90S preribosome
namespace: cellular_component
type: go
obsolete: False

Description: A large ribonucleoprotein complex considered to be the earliest preribosomal complex. In S. cerevisiae, it has a size of 90S and consists of the 35S pre-rRNA, early-associating ribosomal proteins most of which are part of the small ribosomal subunit, the U3 snoRNA and associated proteins.

Parent Functions