3I4Z:
reference: The structure of dimethylallyl tryptophan synthase reveals a common architecture of aromatic prenyltransferases in fungi and bacteria., Metzger U, Schall C, Zocher G, Unsold I, Stec E, Li SM, Heide L, Stehle T, Proc Natl Acad Sci U S A. 2009 Aug 25;106(34):14309-14. Epub 2009 Aug 12. PMID: 19706516

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