3RVA:
reference: Organophosphorus acid anhydrolase from Alteromonas macleodii: structural study and functional relationship to prolidases., Stepankova A, Duskova J, Skalova T, Hasek J, Koval' T, Ostergaard LH, Dohnalek J, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013 Apr 1;69(Pt 4):346-54., doi: 10.1107/S1744309113002674. Epub 2013 Mar 28. PMID: 23545636

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