. "Cheng, X." . "Horton, J.R." . "2H11" . "Thiopurine S-methyltransferase (E.C.2.1.1.67)" . "Amino-terminal Truncated Thiopurine S-Methyltransferase Complexed with S-Adenosyl-L-Homocysteine" . . . . . . . . . .