Interaction Scheme

Molecule

Compound
Sodium Urate - Uric acid sodium salt

c = 201.0 µM

Host

M hicage
m-HiCage

c = 0.0 — 332.33 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 4.32⋅104 ± 1600.0 M-1
Kd =
logKa = 4.64 ± 0.02
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -26.46 ± 0.09 -6.32 ± 0.02
ΔH = -12.38 ± 0.13 -2.96 ± 0.03
-TΔS = -14.06 -3.36
J mol-1 K-1 cal mol-1 K-1
ΔS = 47.2 11.3
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Isothermal Titration Calorimetry
Instrument: MicroCal PEAQ-ITC
VCell = 200.0 𝜇L
VSyringe = 40.0 𝜇L
cmolecule = 201.0 𝜇M    cell
cpartner = 1994.0 𝜇M    syringe
Ninjection = 19
Vinjection = 4.0 𝜇L
Vinit = 2.0 𝜇L
Detailed information about the solvation.
Solvent System Single Solvent
Solvent water
Please find here information about the dataset this interaction is part of.
Citation:

S. Zhuang, G. Wu, J. Sun, J. Zhang, J. Xing, Y. Wu, H. Wang, Z. Li, D. Zhang, SupraBank 2025, Water-soluble hexakis-imidazolium cages (dataset). https://doi.org/10.34804/supra.20250408599

Link: https://doi.org/10.34804/supra.20250408599
Export: BibTex | RIS | EndNote
Please find here information about the scholarly article describing the results derived from that data.
Citation:

S.-Y. Zhuang, G. Wu, J.-D. Sun, J. Zhang, J. Xing, Y. Wu, H. Wang, Z.-T. Li, D.-W. Zhang, Org. Chem. Front. 2024, 11, 414–421.

Link: https://doi.org/10.1039/d3qo01780j
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Sodium Urate - Uric acid sodium salt (0.000462962962962963 M) and m-HiCage (0 — 0.000925925925925926 M).