Table 2.

Kinetic analysis of K-RBD-chAb-60 and -62 against BA.1 and BA.2 RBD protein.

	BA.1 RBD
Antibody	Ka (1/Ms)	Kd (1/s)	KD (M)
K-RBD-chAb-60	7.48×106	8.58 × 10−5	1.51 × 10−11
K-RBD-chAb-62	9.74×105	3.8 × 10−4	3.9 × 10−10
	BA.2 RBD
Antibody	Ka (1/Ms)	Kd (1/s)	KD (M)
K-RBD-chAb-60	6.69×107	9.63 × 10−5	1.44 × 10−12
K-RBD-chAb-62	1.74×106	4.91 × 10−4	2.81 × 10−10