3QTP:
reference: Structure analysis of Entamoeba histolytica enolase., Schulz EC, Tietzel M, Tovy A, Ankri S, Ficner R, Acta Crystallogr D Biol Crystallogr. 2011 Jul;67(Pt 7):619-27. Epub 2011, Jun 14. PMID: 21697600

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