SOLUTION STRUCTURE OF THE RING DOMAIN OF THE BACULOVIRAL IAP REPEAT-CONTAINING PROTEIN 4 FROM HOMO SAPIENS 2ECG APOPTOSIS, BACULOVIRAL IAP REPEAT-CONTAINING PROTEIN 4, BIRC4, RING DOMIAN, ZINC-BINDING DOMAIN, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI