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Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. Organized structure of distinctive morphology and function, not bounded by a lipid bilayer membrane and occurring within the cell. Includes ribosomes, the cytoskeleton and chromosomes. A ribosome that is found in the cytosol of the cell. The cytosol is that part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes. Examples of this component are found in Mus musculus, and in Bacterial and Archaeal species. The small subunit of the ribosome that is found in the cytosol of the cell. The cytosol is that part of the cytoplasm that does not contain membranous or particulate subcellular components. Examples of this component are found in Mus musculus, and in Bacterial and Archaeal species. A macromolecular complex containing both protein and RNA molecules. An intracellular organelle, about 200 A in diameter, consisting of RNA and protein. It is the site of protein biosynthesis resulting from translation of messenger RNA (mRNA). It consists of two subunits, one large and one small, each containing only protein and RNA. Both the ribosome and its subunits are characterized by their sedimentation coefficients, expressed in Svedberg units (symbol: S). Hence, the prokaryotic ribosome (70S) comprises a large (50S) subunit and a small (30S) subunit, while the eukaryotic ribosome (80S) comprises a large (60S) subunit and a small (40S) subunit. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). Ribosomes from prokaryotes, eukaryotes, mitochondria, and chloroplasts have characteristically distinct ribosomal proteins. The large subunit of the ribosome that is found in the cytosol of the cell. The cytosol is that part of the cytoplasm that does not contain membranous or particulate subcellular components. Examples of this component are found in Mus musculus, and in Bacterial and Archaeal species.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cytosolic ribosome
Acc: GO:0022626
Aspect: Cellular Component
Desc: A ribosome that is found in the cytosol of the cell. The cytosol is that part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes. Examples of this component are found in Mus musculus, and in Bacterial and Archaeal species.
Synonyms:
  • 80S ribosome
  • GO:0009281
  • 70S ribosome
  • GO:0030871
  • GO:0005830
Proteins in PDR annotated with:
   This term: 233 [Search]
   Term or descendants: 788 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0022626 - cytosolic ribosome (interactive image map)
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Created and Maintained by: Michael Riffle