3URG:
reference: Ellman's reagent in promoting crystallization and structure determination of Anabaena CcbP., Fan XX, Zhou YF, Liu X, Li LF, Su XD, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Nov 1;68(Pt 11):1409-14., doi: 10.1107/S1744309112034938. Epub 2012 Oct 30. PMID: 23143261

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