4XCP:
reference: Diversity in the structures and ligand-binding sites of nematode fatty acid and retinol-binding proteins revealed by Na-FAR-1 from Necator americanus., Rey-Burusco MF, Ibanez-Shimabukuro M, Gabrielsen M, Franchini GR, Roe AJ, Griffiths K, Zhan B, Cooper A, Kennedy MW, Corsico B, Smith BO, Biochem J. 2015 Nov 1;471(3):403-14. doi: 10.1042/BJ20150068. Epub 2015 Aug 28. PMID: 26318523

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