2ZUL TRANSFERASE, METHYLTRANSFERASE, 16S RRNA METHYLTRANSFERASE, S-ADENOSYL-L- METHIONINE, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI CRYSTAL STRUCTURE OF THERMUS THERMOPHILUS 16S RRNA METHYLTRANSFERASE RSMC (TTHA0533) IN COMPLEX WITH COFACTOR S-ADENOSYL-L-METHIONINE