3NOC:
reference: Designed ankyrin repeat protein binders for the crystallization of AcrB: Plasticity of the dominant interface., Monroe N, Sennhauser G, Seeger MA, Briand C, Grutter MG, J Struct Biol. 2011 May;174(2):269-81. Epub 2011 Feb 4. PMID: 21296164

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