6NMF:
reference: Snapshot of an oxygen intermediate in the catalytic reaction of cytochrome c oxidase., Ishigami I, Lewis-Ballester A, Echelmeier A, Brehm G, Zatsepin NA, Grant TD, Coe JD, Lisova S, Nelson G, Zhang S, Dobson ZF, Boutet S, Sierra RG, Batyuk A, Fromme P, Fromme R, Spence JCH, Ros A, Yeh SR, Rousseau DL, Proc Natl Acad Sci U S A. 2019 Feb 26;116(9):3572-3577. doi:, 10.1073/pnas.1814526116. Epub 2019 Feb 11. PMID: 30808749

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