Table 2 Thermodynamics of the several interactions tested by ITC.
Cohesin | Dockerin | Ka M−1 | ΔGo kcal mol−1 | ΔH kcal mol−1 | TΔSo kcal mol−1 | N |
---|---|---|---|---|---|---|
CohScaA | Doc1bWT | 2.67E7 ± 3.78E6 | −10.37 | −61.19 ± 0.50 | −50.82 | 1 |
Doc1aWT | 5.03E8 ± 2.36E8 | −12.28 | −38.92 ± 0.33 | −26.64 | 1 | |
CohScaB3 WT | Doc1b WT | 1.03E7 ± 7.63E5 | −9.80 | −64.94 ± 0.44 | −55.13 | 1 |
Doc1aWT | 1.18E8 ± 2.00E7 | −11, 23 | −50.68 ± 0.29 | −39.44 | 1 | |
Doc1a I39A | 3.86E6 ± 7.66E4 | −9.18 | −57.26 ± 0.12 | −48.07 | 1 | |
Doc1a S40A | 1.09E8 ± 1.17E7 | −11.47 | −46.60 ± 0.15 | −35.12 | 1 | |
Doc1a V43A | 1.91E6 ± 3.02E4 | −8.94 | −52.08 ± 0.14 | −43.14 | 1 | |
Doc1a Q47A | 1.71E7 ± 6.89E5 | −10.05 | −48.27 ± 0.12 | −38.21 | 1 | |
Doc1a K54A | 1.96E7 ± 1.28E6 | −10.42 | −59.73 ± 0.25 | −49.30 | 1 | |
Doc1a Q83A | 1.54E8 ± 1.03E7 | −11.71 | −39.45 ± 0.83 | −27.73 | 1 | |
Doc1a L87A | 2.81E7 ± 1.61E6 | −10.53 | −59.84 ± 0.19 | −49.30 | 1 | |
Doc1a I39A + V43A | Nb* | Nb* | Nb* | Nb* | Nb* | |
Doc1a V43A + Q47A | 4.36E5 ± 9.66E3 | −7.81 | −48.79 ± 0.39 | −40.98 | 1 | |
CohScaB3 A38Q | Doc1aWT | Nb* | Nb* | Nb* | Nb* | Nb* |
CohScaB3 N68A | 1.10E8 ± 1.20E7 | −11.48 | −58.63 ± 0.22 | −47.15 | 1 | |
CohScaB3 N75A | 9.09E7 ± 8.96E6 | −11.10 | −52.70 ± 0.17 | −41.60 | 1 | |
CohScaB3 K77A | 4.23E8 ± 7.13E7 | −12.12 | −57.42 ± 0.23 | −45, 30 | 1 | |
CohScaB3 L79A | 7.59E6 ± 3.73E5 | −9.71 | −51.93 ± 0.20 | −42.21 | 1 | |
CohScaB3 E84A | 3.62E7 ± 3.45E6 | −10.77 | −55.45 ± 0.26 | −44.68 | 1 | |
CohScaB3 H121A | 2.66E7 ± 1.74E6 | −10.41 | −52.63 ± 0.18 | −42.27 | 1 | |
CohScaB3 N124A | 5.54E7 ± 4.68E6 | −10.89 | −52.80 ± 0.19 | −41.90 | 1 | |
CohScaB3 E84A + H121A | 1.65E6 ± 2.50E5 | −8.62 | −66.86 ± 1.49 | −58.24 | 1 | |
CohScaB3 N75A + H121A | 2.49E6 ± 6.66E4 | −8.93 | −50.84 ± 0.18 | −41.90 | 1 | |
CohScaB3 N75A + N124A | 1.86E6 ± 3.59E5 | −8.85 | −56.31 ± 1.56 | −47.45 | 1 | |
CohScaB3 N75A + E84A | 2.08E7 ± 1.29E6 | −10.47 | −51.76 ± 0.18 | −41.29 | 1 | |
CohScaB3 E84A + H121A | 1.65E6 ± 2.50E5 | −8.62 | −66.86 ± 1.49 | −58.24 | 1 | |
CohScaB3 E84A + N124A | 1.53E7 ± 9.83E5 | −10.05 | −55.04 ± 0.23 | −44.99 | 1 | |
CohScaB3 H121A + N124A | 2.28E6 ± 9.39E4 | −8.84 | −46.44 ± 0.24 | −37.59 | 1 |