TABLE 2

Kinetics of binding to human or cynomolgus PCSK9 by surface plasmon resonance at 25°C, pH 7.4

Data are mean ± S.D., for n replicates.

Form of AdnectinKDKonKoff
nM1/Ms1/second
Human PCSK9
 1459D05 (progenitor)1.58 ± 0.18 (n = 3)1.13E+051.80E-4
 BMS-962476, his6, no PEG0.29 ± 0.01 (n = 2)2.42E+057.03E-05
 BMS-962476 his6, PEGylated0.651.23E+058.03E-05
 BMS-9624760.85 ± 0.3 (n = 3)6.86E+045.61E-05
Cynomolgus PCSK9
 BMS-962476, his6, no PEG8.12.49E+051.77E-03
 BMS-96247618.22.25E+054.11E-03