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. 2018 May 2;14(5):e1007048. doi: 10.1371/journal.ppat.1007048

Table 2. Thermodynamic binding parameters of HCB and HCB ΔG1247-F1250 (mean ± SD of n = 4 (HCB—Syt-II) or n = 2 (others) replicate measurements).

Interaction ΔH°(kJ/mol) –TΔS° (kJ/mol at 25°C) ΔG° (kJ/mol at 25°C) KD (nM at 25°C)b
HCB—Syt-IIa -30.9 -11.2 -42.2 34
HCB—Syt-II –30.3 ±0.7 –7.9 ±0.7 –38.27 ±0.02 190 ±15
HCB—Syt-II nanodiscs –58.4 ±0.2 18.99 ±0.03 –39.4 ±0.2 140 ±14
HCB ΔG1247-F1250 –Dual-receptor nanodiscs –61 ±10 22 ±10 –39.5 ±0.4 120 ±31
HCB—Dual-receptor nanodiscs –14 ±10 –32 ±9 –47.8 ±0.1 4.4 ±0.3

a For comparison: values taken from [24].

b For comparison: affinity data at 25°C. Full kinetic and affinity data shown in supporting Table 1.