Term Information

Accession
GO:0005840
Name
ribosome
Ontology
cellular_component
Synonyms
ribosomal RNA, free ribosome, membrane bound ribosome
Alternate IDs
GO:0033279
Definition
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. Source: ISBN:0198506732
Comment
None
History
See term history for GO:0005840 at QuickGO
Subset
goslim_metagenomics
goslim_chembl
goslim_plant
goslim_generic
prokaryote_subset
goslim_candida
goslim_yeast
goslim_pir
Feedback
Comments, changes to terms, or requests for new ontology terms can be made at GO issue tracker on GitHub.

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Parents of ribosome (GO:0005840)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
ribosome [is_a relation] is_a  intracellular non-membrane-bounded organelle (GO:0043232)
Children of ribosome (GO:0005840)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
polysomal ribosome (GO:0042788) [is_a relation] is_a  ribosome
organellar ribosome (GO:0000313) [is_a relation] is_a  ribosome
ribosomal subunit (GO:0044391) [BFO:0000050 relation] BFO:0000050  ribosome
structural constituent of ribosome (GO:0003735) [BFO:0000066 relation] BFO:0000066  ribosome
cytosolic ribosome (GO:0022626) [is_a relation] is_a  ribosome
NIF_Subcellular
sao1429207766
Wikipedia
Ribosome