TRANSFERASE, TMP-BINDING, ATP-BINDING, THYMIDYLATE KINASE, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI CRYSTAL STRUCTURE OF DTMP KINASE (ST1543) FROM SULFOLOBUS TOKODAII STRAIN7 2PLR