2XX1:
reference: Proton-Coupled Electron Transfer in the Catalytic Cycle of Alcaligenes xylosoxidans Copper-Dependent Nitrite Reductase., Leferink NG, Han C, Antonyuk SV, Heyes DJ, Rigby SE, Hough MA, Eady RR, Scrutton NS, Hasnain SS, Biochemistry. 2011 May 17;50(19):4121-31. Epub 2011 Apr 19. PMID: 21469743

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