2W3X:
reference: Structure and catalytic mechanism of the thioesterase CalE7 in enediyne biosynthesis., Kotaka M, Kong R, Qureshi I, Ho QS, Sun H, Liew CW, Goh LP, Cheung P, Mu Y, Lescar J, Liang ZX, J Biol Chem. 2009 Apr 8. PMID: 19357082

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