TRANSFERASE, DNA BIND, DNA REPAIR, NECROSIS, APOPTOSIS, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI SOLUTION STRUCTURE OF THE SECOND ZN-FINGER DOMAIN OF POLY(ADP-RIBOSE) POLYMERASE-1 2CS2