4KMG:
reference: Cytochrome c6B of Synechococcus sp. WH 8102 - Crystal structure and basic properties of novel c6-like family representative., Zatwarnicki P, Barciszewski J, Krzywda S, Jaskolski M, Kolesinski P, Szczepaniak A, Biochem Biophys Res Commun. 2014 Jan 24;443(4):1131-5. doi:, 10.1016/j.bbrc.2013.10.167. Epub 2013 Nov 9. PMID: 24216109

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