1GV8:
reference: The mechanism of iron uptake by transferrins: the X-ray structures of the 18 kDa NII domain fragment of duck ovotransferrin and its nitrilotriacetate complex., Kuser P, Hall DR, Haw ML, Neu M, Evans RW, Lindley PF, Acta Crystallogr D Biol Crystallogr 2002 May;58(Pt 5):777-83. PMID: 11976488

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