There are seven mammalian STAT family members that have been identified: STAT1, STAT2, STAT3, STAT4, STAT5 (STAT5A and STAT5B), and STAT6.
在哺乳动物基因组中已发现七个STAT家族成员，分别是： STAT1、STAT2、STAT3、STAT4、STAT5（STAT5A和STAT5B）以及STAT6。