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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Bioconjug Chem. 2010 Feb 4;21(3):436–444. doi: 10.1021/bc9003102

Table 1. U87MG cell binding data, reported as IC50 values.

Ligand IC50
Echistatin 4 ± 1 nM*
Knottin 2.5D 19 ± 6 nM
Cy5.5-2.5D 5 ± 1 nM*
DOTA-2.5D 9 ± 3 nM*
DOTA/Cy5.5-2.5D 30 ± 7 nM
*

Difference compared to DOTA/Cy5.5-2.5D is statistically significant (p < 0.05)