DNA BINDING PROTEIN, CHAPERONE, TIM BARREL, UNIQUE TOPOLOGY, NOVEL FOLD, STRUCTURAL GENOMICS, ISRAEL STRUCTURAL PROTEOMICS CENTER, ISPC, CROWN GALL TUMOR, DNA-BINDING, PLASMID, SECRETED, VIRULENCE 3BTP CRYSTAL STRUCTURE OF AGROBACTERIUM TUMEFACIENS VIRE2 IN COMPLEX WITH ITS CHAPERONE VIRE1: A NOVEL FOLD AND IMPLICATIONS FOR DNA BINDING