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GO:0005829
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cytosol
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The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes. |
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GO:0032991
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protein-containing complex
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A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together. |
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GO:0005737
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cytoplasm
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The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. |
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GO:0005575
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cellular_component
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A location, relative to cellular compartments and structures, occupied by a macromolecular machine. There are three types of cellular components described in the gene ontology: (1) the cellular anatomical entity where a gene product carries out a molecular function (e.g., plasma membrane, cytoskeleton) or membrane-enclosed compartments (e.g., mitochondrion); (2) virion components, where viral proteins act, and (3) the stable macromolecular complexes of which gene product are parts (e.g., the clathrin complex). |
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GO:0005622
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intracellular anatomical structure
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A component of a cell contained within (but not including) the plasma membrane. In eukaryotes it includes the nucleus and cytoplasm. |
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GO:0110165
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cellular anatomical structure
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A part of a cellular organism consisting of a material entity with granularity above the level of a protein complex but below that of an anatomical system. Note that cellular organisms exclude viruses. |
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GO:0043226
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organelle
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Organized structure of distinctive morphology and function. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton, and prokaryotic structures such as anammoxosomes and pirellulosomes. Excludes the plasma membrane. |
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GO:0043229
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intracellular organelle
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Organized structure of distinctive morphology and function, occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton. Excludes the plasma membrane. |
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GO:0043228
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membraneless organelle
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Organized structure of distinctive morphology and function, not bounded by a lipid bilayer membrane. Includes ribosomes, the cytoskeleton and chromosomes. |
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GO:0043232
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intracellular membraneless organelle
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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. |
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GO:1990904
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ribonucleoprotein complex
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A macromolecular complex that contains both RNA and protein molecules. |
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GO:0015934
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large ribosomal subunit
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The larger of the two subunits of a ribosome. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). |
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GO:0044391
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ribosomal subunit
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Either of the two subunits of a ribosome: the ribosomal large subunit or the ribosomal small subunit. |
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GO:0005840
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ribosome
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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. |
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GO:0022625
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cytosolic large ribosomal subunit
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The large subunit of a ribosome located in the cytosol. |
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GO:0022626
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cytosolic ribosome
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A ribosome located in the cytosol. |
