The EPHB1/2 (Phospho-Tyr594/604) Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can monitor EPHB1/2 (Phospho-Tyr594/604) protein expression profile in cells. The kit can be used for measuring the relative amounts of EPHB1/2 (Phospho-Tyr594/604) in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on EPHB1/2 (Phospho-Tyr594/604) .