Interaction Scheme

Molecule

Untitled
Dopamine

c = 0.0 — 5000.0 µM

Host

Boronic acid containing coumarin aldehyde
Boronic acid-containing coumarin aldehyde

c = 10.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 3400.0 ± 680.0 M-1
Kd =
logKa = 3.53 ± 0.09
T 37.0 °C 310 K
Energy kJ mol-1 kcal mol-1
ΔG = -20.97 ± 0.5 -5.01 ± 0.12
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Fluorescence
𝛌ex = 484.0 nm
𝛌em = 505.0 nm
IboundIfree = 0.6
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents water
Additives Sodium thiosulfate 100.0 mM
Hepes 50.0 mM
sodium chloride 20.0 mM
Total concentration 170.0 mM
pH 7.0
Please find here information about the dataset this interaction is part of.
Citation:

K. E. Secor, T. E. Glass, SupraBank 2024, Selective Amine Recognition:  Development of a Chemosensor for Dopamine and Norepinephrine (dataset). https://doi.org/10.34804/supra.20210928162

Link: https://doi.org/10.34804/supra.20210928162
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

K. E. Secor, T. E. Glass, Org. Lett. 2004, 6, 3727–3730.

Link: https://doi.org/10.1021/ol048625f
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Dopamine (0.0058823529411764705 M) and Boronic acid-containing coumarin aldehyde (0 — 0.011764705882352941 M).