HYDROLASE, EMERALD BIOSTRUCTURES, ALS COLLABORATIVE CRYSTALLOGRAPHY, DEOXYURIDINA 5-TRIPHOSPHATE NUCLEOTIDOHYDROLASE, STRUCTURAL GENOMICS, SEATTLE STRUCTURAL GENOMICS CENTER FOR INFECTIOUS DISEASE, SSGCID 3LQW CRYSTAL STRUCTURE OF DEOXYURIDINE 5-TRIPHOSPHATE NUCLEOTIDOHYDROLASE FROM ENTAMOEBA HISTOLYTICA