4Z9C:
reference: Structure and function analyses of a pertussis-like toxin from pathogenic Escherichia coli reveal a distinct mechanism of inhibition of trimeric G proteins., Littler DR, Ang SY, Moriel DG, Kocan M, Kleifeld O, Johnson MD, Tran MT, Paton AW, Paton JC, Summers R, Schrembri M, Rossjohn J, Beddoe TT, J Biol Chem. 2017 Jun 29. pii: jbc.M117.796094. doi: 10.1074/jbc.M117.796094. PMID: 28663369

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