该基因编码的蛋白是一种与酪氨酸激酶csk蛋白结合的iii型跨膜衔接蛋白。它被认为参与调节T细胞的活化[由RefSeq提供，2008年7月]
The protein encoded by this gene is a type III transmembrane adaptor protein that binds to the tyrosine kinase csk protein. It is thought to be involved in the regulation of T cell activation. [provided by RefSeq, Jul 2008]