TRANSFERASE, MODIFICATION METHYLASE, METHYLTRANSFERASE, S- ADENOSYLMETHIONINE, THERMUS THERMOPHILUS, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI CRYSTAL STRUCTURE OF TTHA0409, PUTATIVE DNA MODIFICATION METHYLASE FROM THERMUS THERMOPHILUS HB8- COMPLEXED WITH S- ADENOSYL-L-METHIONINE 2ZIF