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. 2006 Sep;188(18):6498–6505. doi: 10.1128/JB.00548-06

TABLE 1.

KD values for the binding of tungstate and molybdate to the periplasmic binding proteins

Protein (reference) KD (nM)
Method
Tungstate Molybdate
ModA from E. coli (12) 20 ± 8 20 ± 8 Radioactive Dowex assay
TupA from E. acidaminophilum (17) 500 Not determined Gel shift assay
WtpA from P. furiosus 0.017 11 ± 5 ITC