Research Article
Niobium Uptake and Release by Bacterial Ferric Ion Binding Protein
Table 2
Species detected by ESI-MS assay of products from the reaction of [Nb(NTA)2]− or [Cp2Nb(OH)Cl2]with apo-Fbp.
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The formulations are merely those which give reasonable fits to the observed masses and cannot be interpreted as giving structural information about the nature of the bound complexes. For example some sites could be on the exposed surface of the protein as well as in the interdomain cleft. |