1.7.2.5 Ca2+ contains Ca2+ 764209 1.7.2.5 Ca2+ required 742847 1.7.2.5 copper contains CuA in the small subunit 658038 1.7.2.5 Cu active binding site containing CuB 672353 1.7.2.5 Cu NOR of Roseobacter denitrificans is based on a heme b3-CuB center 675248 1.7.2.5 Cu2+ protein contains heme c, heme b, and copper in a 1:2:1 stoichiometry 698646 1.7.2.5 Fe - 395117, 395118, 395119, 395120, 395121, 395122, 395123, 395124, 395126, 395128, 395132, 395133, 395134, 395135, 395136, 395137, 395138 1.7.2.5 Fe 2 heme b, 1 heme c and 1 non-heme 395112, 395116, 395120, 395127, 395129 1.7.2.5 Fe contains 24.9 nmol heme b and 14.2 nmol heme c per mg protein 395131 1.7.2.5 Fe heme c is bound via an Cys-Xxx-Xxx-Cys-His heme-binding motif 395116