2QV3:
reference: Crystal structure of the Helicobacter pylori vacuolating toxin p55 domain., Gangwer KA, Mushrush DJ, Stauff DL, Spiller B, McClain MS, Cover TL, Lacy DB, Proc Natl Acad Sci U S A. 2007 Oct 9;104(41):16293-8. Epub 2007 Oct 2. PMID: 17911250

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