STRUCTURE OF HYDROXYETHYLTHIAZOLE KINASE PROTEIN FROM PYROCOCCUS HORIKOSHII OT3 TRANSFERASE, ALPHA-BETA, ATP BINDING, KINASE, ATP-BINDING, MAGNESIUM, METAL-BINDING, NUCLEOTIDE-BINDING, THIAMINE BIOSYNTHESIS, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI 3HPD