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 = 7.76⋅104 ± 2900.0 M-1
Kd =
logKa = 4.89 ± 0.02
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -27.91 ± 0.09 -6.67 ± 0.02
ΔH = -30.0 ± 0.2 -7.17 ± 0.05
-TΔS = 2.0 ± 0.3 0.48 ± 0.07
J mol-1 K-1 cal mol-1 K-1
ΔS = -6.7 ± 1.0 -1.6 ± 0.2
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 2
Source of Concentration
pH 2.0
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 (0.0002577319587628866 M) and CB7 (0 — 0.0005154639175257732 M).