ribosome

Term information
Term lineage
External references
5054 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 [375398 gene products]
- GO:0005575 : cellular_component [255727 gene products]
- - GO:0005623 : cell [187473 gene products]
  - - GO:0044464 : cell part [187453 gene products]
    - - GO:0005622 : intracellular [132916 gene products]
      - GO:0044424 : intracellular part [125611 gene products]
        
        GO:0005737 : cytoplasm [95647 gene products]
        
        GO:0044444 : cytoplasmic part [79269 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0044444 : cytoplasmic part [79269 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0043229 : intracellular organelle [108614 gene products]
        
        GO:0043232 : intracellular non-membrane-bounded organelle [19725 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0030529 : ribonucleoprotein complex [7898 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
      - GO:0044424 : intracellular part [125611 gene products]
      - GO:0005737 : cytoplasm [95647 gene products]
        
        GO:0044444 : cytoplasmic part [79269 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0044444 : cytoplasmic part [79269 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0043229 : intracellular organelle [108614 gene products]
        
        GO:0043232 : intracellular non-membrane-bounded organelle [19725 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0030529 : ribonucleoprotein complex [7898 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
  - GO:0044464 : cell part [187453 gene products]
  - - GO:0005622 : intracellular [132916 gene products]
    - - GO:0044424 : intracellular part [125611 gene products]
      - GO:0005737 : cytoplasm [95647 gene products]
        
        GO:0044444 : cytoplasmic part [79269 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0044444 : cytoplasmic part [79269 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0043229 : intracellular organelle [108614 gene products]
        
        GO:0043232 : intracellular non-membrane-bounded organelle [19725 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
        
        GO:0030529 : ribonucleoprotein complex [7898 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
    - GO:0044424 : intracellular part [125611 gene products]
    - - GO:0005737 : cytoplasm [95647 gene products]
      - GO:0044444 : cytoplasmic part [79269 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
      - GO:0044444 : cytoplasmic part [79269 gene products]
      - GO:0005840 : ribosome [5054 gene products]
      - GO:0043229 : intracellular organelle [108614 gene products]
      - GO:0043232 : intracellular non-membrane-bounded organelle [19725 gene products]
        
        GO:0005840 : ribosome [5054 gene products]
      - GO:0030529 : ribonucleoprotein complex [7898 gene products]
      - GO:0005840 : ribosome [5054 gene products]
  - GO:0032991 : macromolecular complex [31554 gene products]
  - - GO:0030529 : ribonucleoprotein complex [7898 gene products]
    - - GO:0005840 : ribosome [5054 gene products]
  - GO:0043226 : organelle [108685 gene products]
  - - GO:0043229 : intracellular organelle [108614 gene products]
    - - GO:0043232 : intracellular non-membrane-bounded organelle [19725 gene products]
      - GO:0005840 : ribosome [5054 gene products]
    - GO:0043228 : non-membrane-bounded organelle [19725 gene products]
    - - GO:0043232 : intracellular non-membrane-bounded organelle [19725 gene products]
      - GO:0005840 : ribosome [5054 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