6QE7:
reference: Distinctive ligand-binding specificities of tandem PA14 biomass-sensory elements from Clostridium thermocellum and Clostridium clariflavum., Rozman Grinberg I, Yaniv O, Ortiz de Ora L, Munoz-Gutierrez I, Hershko A, Livnah O, Bayer EA, Borovok I, Frolow F, Lamed R, Voronov-Goldman M, Proteins. 2019 Jun 4. doi: 10.1002/prot.25753. PMID: 31162722

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