Letter to the Editor: 1H, 13C, 15N backbone resonance assignments of apo-NosL, a novel 18.5 kDa copper(I) binding protein from the nitrous oxide reductase gene cluster of Achromobacter cycloclastes - Taubner, Lara M; McGuirl, Michele A; Dooley, David M; Copie, Valerie V (Biological Magnetic Resonance Bank, 2004)