Table 1.

Methodology and results for VEGFR2 binding experiments in Figure 1

Protein	Surface plasmon resonance (SPR) KD	ELISA KD
Adnectin-anti-VEGFR2	0.31 nMa	16.87 nM ± 4.26
FN3Con-anti-VEGFR2	0.72 nM ±0.21	48.79 nM ± 6.78
Analysis
Fold Difference	2.32	2.89
FN3Con-anti-VEGFR2 Model Fit	R2 = 0.95	R2 = 0.98
Immobilized protein	VEGFR2	VEGFR2
Measure	Change in refractive index	Concentration of Biotinylated protein

^aSPR K_D from (41), ELISA values are K_D ± SE.