1OGY:
reference: Structural and redox plasticity in the heterodimeric periplasmic nitrate reductase., Arnoux P, Sabaty M, Alric J, Frangioni B, Guigliarelli B, Adriano JM, Pignol D, Nat Struct Biol 2003 Nov;10(11):928-34. Epub 2003 Oct 5. PMID: 14528294

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