Functional roles in S-adenosyl-l-methionine binding and catalysis for active site residues of the thiostrepton resistance methyltransferase
Keywords: Ala; alanine; Arg; arginine; Asn; asparagine; Asp; aspartic acid; ESI-MS; electrospray ionization mass spectrometry; IMAC; immobilized metal ion affinity chromatography; IPTG; isopropyl β-D-1-thiogalactopyranoside; ITC; isothermal titration calorimetry;