To examine the function of STAT-JH1, we performed transfection study in COS-1 cells.Immunoblotting of cell lysate showed that the product of STAT-JH1 could undergo auto-tyrosine-phosphorylation.

• 为进一步了解他们的蛋白质特性，分别将五种基因转染到COS-1细胞，由西方墨点法分析，STAT-JH1融合蛋白能够自行进行酪胺酸磷酸化作用；