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. 2013 Mar;20(3):377–390. doi: 10.1128/CVI.00625-12

Table 4.

Biophysical properties of humanized anti-TcdB MAbs

MAb Affinity for TcdB1234 (pM) Valency of binding for TcdB1234 (n) pI Fab Tm (°C) Resistance to shaking aggregation
CA1125 170 1 9.2 79.5 Good
CA1134 47 2 9.3 76.4 Moderate
CA1151 1,820 2 (1.5) 9.2 80.8 Very Good
CA1153 260 1 NDa ND ND
MDX-1388 1570 2 9.2 68.2 Good
a

ND, not determined.