2CTI:
reference: Determination of the complete three-dimensional structure of the trypsin inhibitor from squash seeds in aqueous solution by nuclear magnetic resonance and a combination of distance geometry and dynamical simulated annealing., Holak TA, Gondol D, Otlewski J, Wilusz T, J Mol Biol 1989 Dec 5;210(3):635-48. PMID: 2614837

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