4DVC:
reference: The 1.2 A resolution crystal structure of TcpG, the Vibrio cholerae DsbA disulfide-forming protein required for pilus and cholera-toxin production., Walden PM, Heras B, Chen KE, Halili MA, Rimmer K, Sharma P, Scanlon MJ, Martin JL, Acta Crystallogr D Biol Crystallogr. 2012 Oct;68(Pt 10):1290-302. Epub 2012 Sep, 13. PMID: 22993083

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