"Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat [goid 6955] [pmid 1423621] [evidence IDA]; A series of reactions within the cell that occur as a result of a single trigger reaction or compound [goid 7242] [evidence IEA]; A series of reactions, mediated by protein kinases, which occurs as a result of a single trigger reaction or compound [goid 7243] [pmid 1423621] [evidence NAS]; The posttranslational phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine [goid 18108] [evidence IEA]; The process by which successful recombination of a T cell receptor beta chain into a translatable protein coding sequence leads to rescue from apoptosis and subsequent proliferation of an immature T cell [goid 43366] [evidence IEA]; The process of sparing immature T cells in the thymus which react with self-MHC protein complexes with low affinity levels from apoptotic death [goid 45059] [evidence IEA]; The process of sparing immature T cells in the thymus which react with self-MHC protein complexes with low affinity levels from apoptotic death [goid 45059] [pmid 7630421] [evidence IDA]; The process of sparing immature T cells in the thymus which react with self-MHC protein complexes with low affinity levels from apoptotic death [goid 45059] [evidence IEA]; The process of elimination of immature T cells in the thymus which react strongly with self-antigens [goid 45060] [evidence IEA]; Any process that activates or increases the frequency, rate or extent of alpha-beta T cell differentiation [goid 46638] [evidence IEA]; Any process that activates or increases the frequency, rate or extent of alpha-beta T cell proliferation [goid 46641] [evidence IEA]; The phosphorylation by a protein of one or more of its own amino acid residues, or residues on an identical protein [goid 46777] [evidence IEA]; Any process that activates or increases the frequency, rate or extent of calcium-mediated signaling [goid 50850] [evidence IEA]; A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell [goid 50852] [evidence IEA]"