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. 2019 Dec 4;7:340. doi: 10.1186/s40425-019-0772-0

Table 1.

hSIRPαV1 binding affinities of parental, chimeric, and humanized hSIRPα.40A variants measured on Octet AR2G biosensor. (Values represent Mean ± SD; n = 2–4 repeats)

Antibody KD (M) ka(1/Ms) kdis(1/s)
hSIRPα.40A 12.1E-09 ± 3.7E-09 4.4E+ 05 ± 1.1E+ 05 5.6E-03 ± 3.0E-03
hSIRPα.40.C2 15.4E-09 ± 8.5E-11 4.4E+ 05 ± 9.7E+ 04 6.8E-03 ± 1.5E-03
ADU-1805 11.0E-09 ± 1.85E-09 3.4E+ 05 ± 8.7E+ 04 3.8E-03 ± 1.4E-03