RESINIFERATOXIN BINDING PROTEIN, RESINIFERATOXIN-BINDING, PHOSPHOTRIESTERASE; TIM BARREL, BINUCLEAR ZINC, PROTEIN STRUCTURE INITIATIVE II (PSI II), STRUCTURAL GENOMICS, NYSGXRC, 9588C,, NEW YORK SGX RESEARCH CENTER FOR STRUCTURAL GENOMICS 3K2G CRYSTAL STRUCTURE OF A RESINIFERATOXIN-BINDING PROTEIN FROM RHODOBACTER SPHAEROIDES