Nickel substitued Rubredoxin from Desulfovibrio Vulgaris - Goodfellow, Brian J.; Duarte, Iven C.N.; Macedo, Anjos L.; Volkman, Brian F.; Nunes, Sofia G.; Moura, I; Markley, John L.; Moura, Jose J.G. (Biological Magnetic Resonance Bank, 2010)