1A6Z:
reference: Crystal structure of the hemochromatosis protein HFE and characterization of its interaction with transferrin receptor., Lebron JA, Bennett MJ, Vaughn DE, Chirino AJ, Snow PM, Mintier GA, Feder JN, Bjorkman PJ, Cell 1998 Apr 3;93(1):111-23. PMID: 9546397

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