CRYSTAL STRUCTURE OF AN ARGININE 3RD TRANSPORT SYSTEM PERIPLASMIC BINDING PROTEIN FROM LEGIONELLA PNEUMOPHILA 3KZG TRANSPORT PROTEIN, ARGININE TRANSPORT SYSTEM, PERIPLASMIC BINDING PROTEIN, LEGIONELLA PNEUMOPHILA, PROTEIN STRUCTURE INITIATIVE II(PSI II), NYSGXRC, 11316I, STRUCTURAL GENOMICS, NEW YORK SGX RESEARCH CENTER FOR STRUCTURAL GENOMICS