Interaction Scheme
Molecule
Spermine (fully protonated form)
c = 0.0 — 6.0 µM
Host
sP5A
c = 3.1 µM
Indicator
MDAP
c = 3.3 µM
Binding Properties
| 𝜈 | Molecule 1 : 1 Host | ||
| Ka = | 8.10⋅109 | ± 1.30⋅109 | M-1 |
| Kd = | |||
| logKa = | |||
| T | 25.0 °C | ||
| Energy | kJ mol-1 | kcal mol-1 | |||
|---|---|---|---|---|---|
| ΔG | = | -56.56 | ± 0.4 | -13.52 | ± 0.1 |
These are the specifications of the determination of the experimental results.
| Detection Method: | Competitive | |||
| Assay Type: | Competitive Binding Assay | |||
| Technique: | Fluorescence | |||
| 𝛌ex | = | 335.0 nm | ||
| 𝛌em | = | 423.0 nm | ||
Detailed information about the solvation.
| Solvent System | Buffer System | 50 mM phosphate pH-7 |
| Solvents | water | |
| Source of Concentration | ||
| Total concentration | 50.0 mM | |
| pH | 7.0 |
Please find here information about the dataset this interaction is part of.
| Citation: |
L. Grimm, SupraBank 2024, Pillar[n]arene-based fluorescence turn-on chemosensors for the detection of spermine, spermidine, and cadaverine in saline media and biofluids (dataset). https://doi.org/10.34804/supra.20240313515 |
| Link: | https://doi.org/10.34804/supra.20240313515 |
| Export: | BibTex | RIS | EndNote |
Please find here information about the scholarly article describing the results derived from that data.
| Citation: |
|
| Link: | https://suprabank.org/datasets/515 |
Binding Isotherm Simulations
The plot depicts the binding isotherm simulation of a 1:1 interaction of Spermine (fully protonated form) (2.4691358024691357e-09 M) and sP5A (0 — 4.938271604938271e-09 M).
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