Table 1.

Characterization of FcRn binding by SPR at 25°C.

Antibody	Analyte	ka (1/Ms)	kd (1/s)	KD (M)
CD3 mG1 D265A	FcRn	6.6E+04	4.2E-02	6.4E-07
CD3/CD20 mG1 D265A bsp	FcRn	6.2E+04	4.2E-02	6.7E-07
CD3 mG2a	FcRn	1.0E+05	3.4E-02	3.2E-07
CD3/CD20 mG2a bsp	FcRn	9.8E+04	3.5E-02	3.5E-07
CD3 mG2a D265A	FcRn	1.1E+05	3.6E-02	3.1E-07
CD3/CD20 mG2a D265A bsp	FcRn	1.1E+05	3.6E-02	3.4E-07

Data from the representative experiment shown