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GO:0003674
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molecular_function
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A molecular process that can be carried out by the action of a single macromolecular machine, usually via direct physical interactions with other molecular entities. Function in this sense denotes an action, or activity, that a gene product (or a complex) performs. |
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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: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:0071944
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cell periphery
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The broad region around and including the plasma membrane of a cell, encompassing the cell cortex (inside the cell), the plasma membrane, and any external encapsulating structures. |
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GO:0031012
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extracellular matrix
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A structure lying external to one or more cells, which provides structural support, biochemical or biomechanical cues for cells or tissues. |
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GO:0030312
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external encapsulating structure
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A structure that lies outside the plasma membrane and surrounds the entire cell or cells. This does not include the periplasmic space. |
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GO:0005198
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structural molecule activity
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The action of a molecule that contributes to the structural integrity of a complex. |
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GO:0005201
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extracellular matrix structural constituent
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The action of a molecule that contributes to the structural integrity of the extracellular matrix. |
