3WVV:
reference: Intracellular CO release from composite of ferritin and ruthenium carbonyl complexes., Fujita K, Tanaka Y, Sho T, Ozeki S, Abe S, Hikage T, Kuchimaru T, Kizaka-Kondoh S, Ueno T, J Am Chem Soc. 2014 Dec 3;136(48):16902-8. doi: 10.1021/ja508938f. Epub 2014 Nov , 19. PMID: 25352251

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