Skip to main content

Table 4 Optical biosensor analysis (Biacore X) of 2-iminobiotin binding

From: Structural and functional characteristics of xenavidin, the first frog avidin from Xenopus tropicalis

Protein

kass(s-1) (× 104)

kdiss(M-1s-1) (× 10-3)

Kd(M) (× 10-8)

Xenavidin

2.2

21.6

99.8

Streptavidin

20.0

17.0

8.5

Avidin

9.4

9.6

10.2