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. 1999 Jun 8;96(12):7065–7070. doi: 10.1073/pnas.96.12.7065

Table 2.

Association rate, dissociation rate, and dissociation equilibrium constant for the binding of various GTP-analogues to W32Ras

GTP-analogues kon M−1 s−1 koff s−1 KD nM
GppNHp 1.5  ×  106 0.36  ×  10−3 0.24
DABP-GppNHp 1.5  ×  106 8.1  ×  10−3 5.4
PDA-GppNHp 5.5  ×  106 7.2  ×  10−3 1.3