2A5W:
reference: X-ray structure of the gamma-subunit of a dissimilatory sulfite reductase: Fixed and flexible C-terminal arms., Mander GJ, Weiss MS, Hedderich R, Kahnt J, Ermler U, Warkentin E, FEBS Lett 2005 Aug 29;579(21):4600-4. PMID: 16098517

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