3B1S:
reference: Inhibition of a type III secretion system by the deletion of a short loop in one of its membrane proteins., Meshcheryakov VA, Kitao A, Matsunami H, Samatey FA, Acta Crystallogr D Biol Crystallogr. 2013 May;69(Pt 5):812-20. doi:, 10.1107/S0907444913002102. Epub 2013 Apr 11. PMID: 23633590

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