Table 2.

Affinity constants of E163 and E163 mutant proteins for chemokines

Chemokinea	Protein	Ka	Kd	KD
		1/ms	1/s	nm
mCxcl12β	E163	1.96 × 106	4.10 × 10−3	2.00
	E163-1	3.22 × 106	9.55 × 10−2	29.65
	E163-2	4.47 × 105	9.00 × 10−4	2.00
	E163-5	2.41 × 106	9.65 × 10−2	40.03
mCcl21	E163	2.22 × 106	1.88 × 10−3	0.85
	E163-2	5.30 × 106	2.26 × 10−2	4.26
	E163	4.97 × 105	2.60 × 10−3	5.24
mCclx13	E163-1	1.24 × 105	5.30 × 10−3	42.76
	E163	9.99 × 105	8.74 × 10−4	0.87
hCCL21	E163-5	7.14 × 105	1.97 × 10−3	2.76

^a m, mouse.