4RT6:
reference: Structural basis for haem piracy from host haemopexin by Haemophilus influenzae., Zambolin S, Clantin B, Chami M, Hoos S, Haouz A, Villeret V, Delepelaire P, Nat Commun. 2016 May 18;7:11590. doi: 10.1038/ncomms11590. PMID: 27188378

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