1TF1:
reference: Structural and biochemical study of effector molecule recognition by the E.coli glyoxylate and allantoin utilization regulatory protein AllR., Walker JR, Altamentova S, Ezersky A, Lorca G, Skarina T, Kudritska M, Ball LJ, Bochkarev A, Savchenko A, J Mol Biol. 2006 May 5;358(3):810-28. Epub 2006 Mar 3. PMID: 16546208

This OCA Structure page
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