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GO_term: GO:0005840   

GO:0005840DefinitionAn 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.
Termribosome
TypeCellular_component
Child Instance (5)
Component GO:0015934
GO:0015935
Parent Instance_of GO:0030529
GO:0043232
Component_ofGO:0005737
Attributes_of Motif (119)
Gene (143)
CDS (158)
Index Ancestor (30)
Descendent (25)