Enables type 1 angiotensin receptor binding activity. Predicted to be involved in intracellular signal transduction and peptidyl-tyrosine phosphorylation. Predicted to be located in cytoplasm and nucleus. Human ortholog(s) of this gene implicated in immunodeficiency 35. Orthologous to human TYK2 (tyrosine kinase 2). [provided by Alliance of Genome Resources, Apr 2022]