Interaction Scheme

Molecule

D l his
D/L-His

Host

Scx4 mono %28ch2conh2%29
sCx4-mono(CH2CONH2)

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 208.0 ± 13.0 M-1
Kd =
logKa = 2.32 ± 0.03
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -13.23 ± 0.16 -3.16 ± 0.04
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Nuclear Magnetic Resonance
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents water 95.0 %
Deuterium Oxide 5.0 %
pH 8.0
Please find here information about the dataset this interaction is part of.
Citation:

E. Da Silva, A. W. Coleman, SupraBank 2024, Synthesis and complexation properties towards amino acids of mono-substituted p-sulphonato-calix-[n]-arenes (dataset). https://doi.org/10.34804/supra.2021092817

Link: https://doi.org/10.34804/supra.2021092817
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

E. Da Silva, A. W. Coleman, Tetrahedron 2003, 59, 7357–7364.

Link: https://doi.org/10.1016/S0040-4020(03)01137-2
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of D/L-His (0.09615384615384616 M) and sCx4-mono(CH2CONH2) (0 — 0.19230769230769232 M).