Semar 4d

semar4dSemaphorin 4D (Sema 4D) is an axon guidance molecule which is secreted by olodendrocytes and induces growth cone collapse in the central nervous system.By binding plexin B1 receptorRibbon diagrams of the seven-blade β propellers of (a) integrin αV (PDB code 1l5g), (b) SEMA3A (PDB code 1q47), (c) SEMA4D (PDB code 1olz) and (d) MET (PDB code 1shy). The