Table 1.

Kinetic parameters measured by SPR

Protein sample	kon (105 m−1 s−1)	koff (10−5 s−1)	KD
			pm
PAS800-IL-1Ra	2.23	2.63	118
PAS600-IL-1Ra	3.02	4.29	142
Anakinra	9.82	1.82	18.5