3GFA OXIDOREDUCTASE, YP_001089721.1, PUTATIVE NITROREDUCTASE IN COMPLEX WITH FMN, STRUCTURAL GENOMICS, JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, PROTEIN STRUCTURE INITIATIVE, PSI-2, UNKNOWN FUNCTION CRYSTAL STRUCTURE OF PUTATIVE NITROREDUCTASE IN COMPLEX WITH FMN (YP_001089721.1) FROM CLOSTRIDIUM DIFFICILE 630 AT 1.35 A RESOLUTION