| Name | activation of Janus kinase activity |
| ID | GO_0042976 |
| collection_id | Biological process |
| Alternative ID | GO:0010531, GO:0042977 |
| Exact synonym | activation of JAK protein, activation of JAK protein by tyrosine phosphorylation, positive regulation of JAK protein activity by tyrosine phosphorylation, tyrosine phosphorylation of JAK protein |
| Description | The process of introducing a phosphate group to a tyrosine residue of a JAK (Janus Activated Kinase) protein, thereby activating it. |
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| Genes |