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GO:0008150
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biological_process
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A biological process is the execution of a genetically-encoded biological module or program. It consists of all the steps required to achieve the specific biological objective of the module. A biological process is accomplished by a particular set of molecular functions carried out by specific gene products (or macromolecular complexes), often in a highly regulated manner and in a particular temporal sequence. |
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GO:0002376
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immune system process
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Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats. |
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GO:0019882
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antigen processing and presentation
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The process in which an antigen-presenting cell expresses antigen (peptide or lipid) on its cell surface in association with an MHC protein complex. |
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GO:0048002
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antigen processing and presentation of peptide antigen
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The process in which an antigen-presenting cell expresses peptide antigen in association with an MHC protein complex on its cell surface, including proteolysis and transport steps for the peptide antigen both prior to and following assembly with the MHC protein complex. The peptide antigen is typically, but not always, processed from an endogenous or exogenous protein. |
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GO:0002474
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antigen processing and presentation of peptide antigen via MHC class I
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The process in which an antigen-presenting cell expresses a peptide antigen on its cell surface in association with an MHC class I protein complex. Class I here refers to classical class I molecules. |
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GO:0002478
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antigen processing and presentation of exogenous peptide antigen
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The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC protein complex. The peptide is typically a fragment of a larger exogenous protein which has been degraded within the cell. |
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GO:0019884
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antigen processing and presentation of exogenous antigen
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The process in which an antigen-presenting cell expresses antigen (peptide or lipid) of exogenous origin on its cell surface in association with an MHC protein complex. |
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GO:0042590
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antigen processing and presentation of exogenous peptide antigen via MHC class I
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The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class I protein complex. The peptide antigen is typically, but not always, processed from a whole protein. Class I here refers to classical class I molecules. |
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GO:0002480
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antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent
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The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class I protein complex following intracellular transport via a pathway not requiring TAP (transporter associated with antigen processing). The peptide is typically a fragment of a larger exogenous protein which has been degraded within the cell. Class I here refers to classical class I molecules. |
