GOPC and glioblastoma: On the other hand, we have identified PIST (GOPC, Golgi-associated PDZ and coiled-coil motif-containing protein; FIG, fused in glioblastoma; CAL, CFTR-associated ligand), LIN-7 (Veli, MALS) and vinexin (SORBS3) as binding partners for Rhotekin by using yeast two-hybrid analysis with a human heart cDNA library [8,32,33].