Interaction Scheme

Molecule

Dibucaine hydrochloride
Dibucaine hydrochloride

Host

Scx4 thia sodium salt
stCx4 sodium salt

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 1550.0 ± 70.0 M-1
Kd =
logKa = 3.19 ± 0.02
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -18.21 ± 0.11 -4.35 ± 0.03
ΔH = -18.05 ± 0.05 -4.31 ± 0.01
-TΔS = -0.13 ± 0.08 -0.03 ± 0.02
J mol-1 K-1 cal mol-1 K-1
ΔS = 0.4 ± 0.3 0.1 ± 0.1
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Isothermal Titration Calorimetry
Molecule: syringe
Partner: syringe
Detailed information about the solvation.
Solvent System Buffer System 100 mM phosphate pH-7.2
Solvents water
Additives Disodium hydrog... 66.6 mM
Sodium dihydrog... 33.4 mM
Source of Concentration estimated
Total concentration 100.0 mM
pH 7.2
Please find here information about the dataset this interaction is part of.
Citation:

Q. Li, D. Guo, H. Qian, Y. Liu, SupraBank 2024, Complexation of p-Sulfonatocalixarenes with Local Anaesthetics Guests: Binding Structures, Stabilities, and Thermodynamic Origins (dataset). https://doi.org/10.34804/supra.202109283

Link: https://doi.org/10.34804/supra.202109283
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

Q. Li, D.-S. Guo, H. Qian, Y. Liu, Eur. J. Org. Chem. 2012, 2012, 3962–3971.

Link: https://doi.org/10.1002/ejoc.201200515
Export: BibTex | RIS | EndNote

Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Dibucaine hydrochloride (0.012903225806451613 M) and stCx4 sodium salt (0 — 0.025806451612903226 M).