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. 2014 May 19;289(27):18693–18706. doi: 10.1074/jbc.M113.528109

TABLE 3.

SPR analysis of the binding affinities of XGFR molecules to IGF-1R

Binding to IGF-1R
ka kd
Molecule KD
nm m1 s1 s1
XGFR 4 7.90E + 05 3.30E − 03
XGFR-DVD No binding
XGFR2 6 6.79E + 04 3.78E − 04
R1507 5 6.47E + 04 3.47E − 04