5KMX:
reference: Structural characterization reveals a novel bilobed architecture for the ectodomains of insect stage expressed Trypanosoma brucei PSSA-2 and Trypanosoma congolense ISA., Ramaswamy R, Goomeshi Nobary S, Eyford BA, Pearson TW, Boulanger MJ, Protein Sci. 2016 Dec;25(12):2297-2302. doi: 10.1002/pro.3053. Epub 2016 Oct 13. PMID: 27671214

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