Table 2.

Purity of BsAbs after protein A capture and a second CH1 affinity capture step.

Sample	Estimated % Main peak post protein A	Estimated % Main peak post CH1 capture
BsAb2	57.1	91.5
BsAb3	83.3	99.1
BsAb4	84.5	99.3
BsAb5	80.8	99.3
BsAb6	70.9	99.3
BsAb7	80.3	97.4
BsAb8	84.9	99.5
BsAb9	77.8	98.9
BsAb10	89.7	99.4
BsAb11	82.8	98.3