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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:0002475
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antigen processing and presentation via MHC class Ib
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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 class Ib protein complex. Class Ib here refers to non-classical class I molecules, such as those of the CD1 or HLA-E gene families. |
