3EF5:
reference: Structure and Biological Function of the RNA Pyrophosphohydrolase BdRppH from Bdellovibrio bacteriovorus., Messing SA, Gabelli SB, Liu Q, Celesnik H, Belasco JG, Pineiro SA, Amzel LM, Structure. 2009 Mar 11;17(3):472-81. PMID: 19278661

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