Interaction Scheme

Molecule

Untitled
GEMCITABINE HYDROCHLORIDE

c = 0.0 — 757.58 µM

Host

Cb7
CB7

c = 500.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 4.31⋅104 ± 3200.0 M-1
Kd =
logKa = 4.63 ± 0.03
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -26.45 ± 0.18 -6.32 ± 0.04
ΔH = -27.2 ± 0.4 -6.5 ± 0.1
-TΔS = 0.7 ± 0.6 0.17 ± 0.14
J mol-1 K-1 cal mol-1 K-1
ΔS = -2.3 ± 2.0 -0.6 ± 0.5
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 VP-ITC
VCell = 1400.0 𝜇L
VSyringe = 350.0 𝜇L
cmolecule = 5000.0 𝜇M    syringe
cpartner = 500.0 𝜇M    cell
Ninjection = 50
Vinjection = 5.0 𝜇L
Vinit = 5.0 𝜇L
Detailed information about the solvation.
Solvent System Buffer System 20 mM formate buffer pH 3
Source of Concentration
pH 3.0
Please find here information about the dataset this interaction is part of.
Citation:

A. Buczkowski, SupraBank 2024, Thermodynamic study of pH and sodium chloride impact on gemcitabine binding to cucurbit[7]uril in aqueous solutions (dataset). https://doi.org/10.34804/supra.20240821583

Link: https://doi.org/10.34804/supra.20240821583
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

A. Buczkowski, Journal of Molecular Liquids 2022, 345, 117857.

Link: https://doi.org/10.1016/j.molliq.2021.117857
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of GEMCITABINE HYDROCHLORIDE (0.0004640371229698376 M) and CB7 (0 — 0.0009280742459396752 M).