Scaffold proteins bring together various other proteins in a signaling pathway and allows for their interaction. They recruit downstream effectors in a pathway and enhance specificity of the signal.

• 支架蛋白是一种在调节信号传导起着重要作用的蛋白质，它通过辅助蛋白激酶和磷酸酶与他们各自的底物结合而起作用。