2JWK:
reference: The Periplasmic Domain of TolR from Haemophilus influenzae Forms a Dimer with a Large Hydrophobic Groove: NMR Solution Structure and Comparison to SAXS Data(,)., Parsons LM, Grishaev A, Bax A, Biochemistry. 2008 Mar 11;47(10):3131-42. Epub 2008 Feb 12. PMID: 18269247

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