6C12:
reference: Crystal structure of bacterial succinate:quinone oxidoreductase flavoprotein SdhA in complex with its assembly factor SdhE., Maher MJ, Herath AS, Udagedara SR, Dougan DA, Truscott KN, Proc Natl Acad Sci U S A. 2018 Mar 7. pii: 1800195115. doi:, 10.1073/pnas.1800195115. PMID: 29514959

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