title: A new affinity column for the purification of thymidine kinase from Escherichia coli.
mesh_terms: D002846:Chromatography, Affinity / Q000379:methods; D004926:Escherichia coli / Q000201:enzymology*; D013937:Thymidine Kinase / Q000302:isolation & purification*
chemical_list: D013937:Thymidine Kinase