Table 1.

Rate constants and binding affinity of tightly and weakly bound casein on the QCM surface

	kon (103 M−1s−1)	koff (10−3 s−1)	KA (106 M−1)	KD (nM)	Δm (ng cm−2)
Tightly bound casein	n.d.	n.d.	140∗	7.1∗	279∗
Weakly bound casein	5.4†	3.5†	2.0‡	500‡	102‡

Data represent fits to data in Fig. 3, as described in Methods. K_D = 1/K_A.

^∗Values determined from Fig. 3a.

^†Values determined from Fig. 3c.

^‡Values determined from Fig. 3b.