1I6Q:
reference: Protein intermediate trapped by the simultaneous crystallization process. Crystal structure of an iron-saturated intermediate in the Fe3+ binding pathway of camel lactoferrin at 2.7 a resolution., Khan JA, Kumar P, Srinivasan A, Singh TP, J Biol Chem 2001 Sep 28;276(39):36817-23. PMID: 11473113

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