Interaction Scheme

Molecule

Gly trp gly
Gly-Trp-Gly

c = 0.0 — 500.0 µM

Host

Cb8
CB8

c = 200.0 µM

Cofactor

Methyl viologen
Methyl viologen

c = 200.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 2.10⋅104 ± 1000.0 M-1
Kd =
logKa = 4.32 ± 0.02
T 27.0 °C 300 K
Energy kJ mol-1 kcal mol-1
ΔG = -24.84 ± 0.12 -5.94 ± 0.03
ΔH = -47.7 ± 2.93 -11.4 ± 0.7
-TΔS = 23.01 ± 3.35 5.5 ± 0.8
J mol-1 K-1 cal mol-1 K-1
ΔS = -76.7 ± 11.2 -18.3 ± 2.7
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Associative Binding Assay
Technique: Isothermal Titration Calorimetry
Molecule: syringe
Partner: cell
Cofactor: cell
Detailed information about the solvation.
Solvent System Buffer System 10 mM phosphate pH-7.0
Solvents water
Source of Concentration
Total concentration 10.0 mM
pH 7.0
Please find here information about the dataset this interaction is part of.
Citation:

A. R. Urbach, M. E. Bush, N. D. Bouley, SupraBank 2024, Charge-Mediated Recognition of N-Terminal Tryptophan in Aqueous Solution by a Synthetic Host (dataset). https://doi.org/10.34804/supra.20210928165

Link: https://doi.org/10.34804/supra.20210928165
Export: BibTex | RIS | EndNote
Please find here information about the scholarly article describing the results derived from that data.
Citation:

M. E. Bush, N. D. Bouley, A. R. Urbach, J. Am. Chem. Soc. 2005, 127, 14511–14517.

Link: https://doi.org/10.1021/ja0548440
Export: BibTex | RIS | EndNote |

Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Gly-Trp-Gly (0.0009523809523809524 M) and CB8 (0 — 0.0019047619047619048 M).