Interaction Scheme

Molecule

Untitled
Piperazine

c = 1000.0 µM

Host

Scx4
sCx4

c = 0.0 — 2989.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 893.0 ± 17.0 M-1
Kd =
logKa = 2.95 ± 0.01
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -16.84 ± 0.05 -4.02 ± 0.01
ΔH = -9.13 ± 0.09 -2.18 ± 0.02
-TΔS = -7.71 ± 0.16 -1.84 ± 0.04
J mol-1 K-1 cal mol-1 K-1
ΔS = 25.9 ± 0.5 6.2 ± 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-2.0
Solvents water
Additives Sodium dihydrog... 100.0 mM
Phosphoric acid
Source of Concentration
Total concentration 100.0 mM
pH 2.0
Please find here information about the dataset this interaction is part of.
Citation:

Y. Liu, E. Yang, Y. Chen, SupraBank 2024, Intermolecular complexation thermodynamics between water-soluble calix[4]arenes and diazacycloalkanes (dataset). https://doi.org/10.34804/supra.20210928171

Link: https://doi.org/10.34804/supra.20210928171
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

Y. Liu, E.-C. Yang, Y. Chen, Thermochimica Acta 2005, 429, 163–166.

Link: https://doi.org/10.1016/j.tca.2005.03.002
Export: BibTex | RIS | EndNote

Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Piperazine (0.022396416573348264 M) and sCx4 (0 — 0.04479283314669653 M).