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. 2006 Jan 30;103(6):1846–1851. doi: 10.1073/pnas.0508341103

Table 2.

Biacore data for the ancestral mutants A30V and S61R

Clone Ka (1/Ms) Kd (1/s) KD (nM)
Ancestral 2.1 × 105 2.0 × 10−3 9.5 (0)
A30V 1.4 × 105 1.6 × 10−3 10 (1.3)
S61R 3.5 × 105 1.2 × 10−3 3.3 (0.07)

Affinity constant (KD) is calculated as for data in Table 1. SDs are indicated in parentheses.