2FUK:
reference: Structure of XC6422 from Xanthomonas campestris at 1.6 A resolution: a small serine alpha/beta-hydrolase., Yang CY, Chin KH, Chou CC, Wang AH, Chou SH, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2006 Jun 1;62(Pt, 6):498-503. Epub 2006 May 31. PMID: 16754966

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