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. Author manuscript; available in PMC: 2010 Apr 1.
Published in final edited form as: Nucl Med Biol. 2009 Apr;36(3):277–285. doi: 10.1016/j.nucmedbio.2008.12.008

Table 1.

Affinity of Cu(II)-CB-TE2A-c(RGDyK) [30] and Cu(II)-DiamSar-c(RGDfD) for integrin αvβ3 as determined in heterologous competitive binding assay using biotinylated vitronectin (c(RGDyK) [30] was used as a control).

Compound IC50 (nM) 95% Confidence Intervals (nM)
Cu(II)-CBTE2A-c(RGDyK) 6.0 3.7-9.6
Cu(II)-DiamSar-c(RGDfD) 4.8 3.9-5.8
c(RGDyK) 3.7 2.7-5.0