1N1I:
reference: Structure of the C-terminal domains of merozoite surface protein-1 from Plasmodium knowlesi reveals a novel histidine binding site., Garman SC, Simcoke WN, Stowers AW, Garboczi DN, J Biol Chem 2003 Feb 28;278(9):7264-9. PMID: 12493733

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