1X94:
reference: Crystal structures of two putative phosphoheptose isomerases., Seetharaman J, Rajashankar KR, Solorzano V, Kniewel R, Lima CD, Bonanno JB, Burley SK, Swaminathan S, Proteins. 2006 Jun 1;63(4):1092-6. PMID: 16477602

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