1UV7:
reference: The crystal structure of the periplasmic domain of the type II secretion system protein EpsM from Vibrio cholerae: the simplest version of the ferredoxin fold., Abendroth J, Rice AE, McLuskey K, Bagdasarian M, Hol WG, J Mol Biol 2004 Apr 30;338(3):585-96. PMID: 15081815

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