ribosome

Term information
Term lineage
External references
4671 gene product associations

Term Information

Accession

GO:0005840

Ontology

cellular component

Synonyms

related: ribosomal RNA

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]

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all : all [353918 gene products]
- GO:0005575 : cellular_component [250721 gene products]
- - GO:0005623 : cell [183680 gene products]
  - - GO:0044464 : cell part [183660 gene products]
    - - GO:0005622 : intracellular [130371 gene products]
      - GO:0044424 : intracellular part [123642 gene products]
        
        GO:0005737 : cytoplasm [94317 gene products]
        
        GO:0044444 : cytoplasmic part [78995 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0044444 : cytoplasmic part [78995 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0043229 : intracellular organelle [108133 gene products]
        
        GO:0043232 : intracellular non-membrane-bounded organelle [19371 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0030529 : ribonucleoprotein complex [7507 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
      - GO:0044424 : intracellular part [123642 gene products]
      - GO:0005737 : cytoplasm [94317 gene products]
        
        GO:0044444 : cytoplasmic part [78995 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0044444 : cytoplasmic part [78995 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0043229 : intracellular organelle [108133 gene products]
        
        GO:0043232 : intracellular non-membrane-bounded organelle [19371 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0030529 : ribonucleoprotein complex [7507 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
  - GO:0044464 : cell part [183660 gene products]
  - - GO:0005622 : intracellular [130371 gene products]
    - - GO:0044424 : intracellular part [123642 gene products]
      - GO:0005737 : cytoplasm [94317 gene products]
        
        GO:0044444 : cytoplasmic part [78995 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0044444 : cytoplasmic part [78995 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0043229 : intracellular organelle [108133 gene products]
        
        GO:0043232 : intracellular non-membrane-bounded organelle [19371 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
        
        GO:0030529 : ribonucleoprotein complex [7507 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
    - GO:0044424 : intracellular part [123642 gene products]
    - - GO:0005737 : cytoplasm [94317 gene products]
      - GO:0044444 : cytoplasmic part [78995 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
      - GO:0044444 : cytoplasmic part [78995 gene products]
      - GO:0005840 : ribosome [4671 gene products]
      - GO:0043229 : intracellular organelle [108133 gene products]
      - GO:0043232 : intracellular non-membrane-bounded organelle [19371 gene products]
        
        GO:0005840 : ribosome [4671 gene products]
      - GO:0030529 : ribonucleoprotein complex [7507 gene products]
      - GO:0005840 : ribosome [4671 gene products]
  - GO:0032991 : macromolecular complex [30483 gene products]
  - - GO:0030529 : ribonucleoprotein complex [7507 gene products]
    - - GO:0005840 : ribosome [4671 gene products]
  - GO:0043226 : organelle [108204 gene products]
  - - GO:0043229 : intracellular organelle [108133 gene products]
    - - GO:0043232 : intracellular non-membrane-bounded organelle [19371 gene products]
      - GO:0005840 : ribosome [4671 gene products]
    - GO:0043228 : non-membrane-bounded organelle [19371 gene products]
    - - GO:0043232 : intracellular non-membrane-bounded organelle [19371 gene products]
      - GO:0005840 : ribosome [4671 gene products]

External References

COG (1)

J

InterPro (197)

JCVI_EGAD (1)

ribosomal

JCVI_TIGRFAMS (2)

Pfam (93)

PIRSF (12)

PRINTS (18)

ProDom (25)

PROSITE (107)

Rfam (3)

RF00001
RF00002
RF00177

SMART (1)

SM00649

SP_KW (1)

KW-0689

Wikipedia (1)

Ribosome