Interaction Scheme

Molecule

Untitled
Na+

Host

Scx4
sCx4

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 275.0 ± 9.0 M-1
Kd =
logKa = 2.44 ± 0.01
T 5.0 °C 278 K
Energy kJ mol-1 kcal mol-1
ΔG = -12.99 ± 0.08 -3.1 ± 0.02
ΔH = 3.4 ± 0.1 0.81 ± 0.02
-TΔS = -16.4 ± 0.1 -3.92 ± 0.02
J mol-1 K-1 cal mol-1 K-1
ΔS = 59.0 ± 0.4 14.1 ± 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: cell
Detailed information about the solvation.
Solvent System Single Solvent
Solvent water
pH 7.0
Please find here information about the dataset this interaction is part of.
Citation:

W. M. Nau, L. García-Río, V. Francisco, A. Piñeiro, SupraBank 2024, The “True” Affinities of Metal Cations top-Sulfonatocalix[4]arene: A Thermodynamic Study at Neutral pH Reveals a Pitfall Due to Salt Effects in Microcalorimetry (dataset). https://doi.org/10.34804/supra.20210928390

Link: https://doi.org/10.34804/supra.20210928390
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

V. Francisco, A. Piñeiro, W. M. Nau, L. García-Río, Chem. Eur. J. 2013, 19, 17809–17820.

Link: https://doi.org/10.1002/chem.201302365
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Na+ (0.07272727272727272 M) and sCx4 (0 — 0.14545454545454545 M).