Predicted to enable SH2 domain binding activity; enzyme binding activity; and signaling adaptor activity. Involved in positive regulation of gene expression. Located in cytoplasm. Is expressed in several structures, including genitourinary system; gut; immune system; lung; and olfactory epithelium. Human ortholog(s) of this gene implicated in agammaglobulinemia and agammaglobulinemia 4. Orthologous to human BLNK (B cell linker). [provided by Alliance of Genome Resources, Apr 2022]