5N1T:
reference: Structure of the flavocytochrome c sulfide dehydrogenase associated with the copper-binding protein CopC from the haloalkaliphilic sulfur-oxidizing bacterium Thioalkalivibrio paradoxusARh 1., Osipov EM, Lilina AV, Tsallagov SI, Safonova TN, Sorokin DY, Tikhonova TV, Popov VO, Acta Crystallogr D Struct Biol. 2018 Jul 1;74(Pt 7):632-642. doi:, 10.1107/S2059798318005648. Epub 2018 Jun 8. PMID: 29968673

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