3BGD:
reference: Structural basis of substrate recognition in thiopurine s-methyltransferase., Peng Y, Feng Q, Wilk D, Adjei AA, Salavaggione OE, Weinshilboum RM, Yee VC, Biochemistry. 2008 Jun 10;47(23):6216-25. Epub 2008 May 17. PMID: 18484748

This OCA Structure page
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