Reconstitute at 0.5 mg/mL in sterile PBS. Ephrin A4 is also known as LERK-4 or ELF-4. Ephrin-A4 binds EphA2, EphA3, EphA4, EphA5, EphA6, EphA7, and EphB1. To date, at least 14 members of the Eph receptor family and a family of 8 ligands have been identif