3STO:
reference: Three-dimensional structure of a schistosome serpin revealing an unusual configuration of the helical subdomain., Granzin J, Huang Y, Topbas C, Huang W, Wu Z, Misra S, Hazen SL, Blanton RE, Lee X, Weiergraber OH, Acta Crystallogr D Biol Crystallogr. 2012 Jun;68(Pt 6):686-94. doi:, 10.1107/S0907444912008372. Epub 2012 May 17. PMID: 22683791

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