Interaction

curated

Interaction Scheme

Molecule

Dbf 5k peg
DBF-5kPEGOMe

c = 0.0 — 207.09 µM

Host

Cb8
CB8

c = 100.0 µM

Cofactor

Methyl viologen
Methyl viologen

c = 100.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 1.00⋅105 ± 2.00⋅104 M-1
Kd =
logKa = 5.0 ± 0.09
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -28.54 ± 0.5 -6.82 ± 0.12
ΔH = -53.1 ± 1.5 -12.69 ± 0.36
-TΔS = 24.7 ± 2.0 5.9 ± 0.48
J mol-1 K-1 cal mol-1 K-1
ΔS = -82.8 ± 6.7 -19.8 ± 1.6
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Associative Binding Assay
Technique: Isothermal Titration Calorimetry
Instrument: MicroCal VP-ITC
VCell = 1400.0 𝜇L
VSyringe = 350.0 𝜇L
cmolecule = 1200.0 𝜇M    syringe
cpartner = 100.0 𝜇M    cell
ccofactor = 100.0 𝜇M    cell
Ninjection = 30
Vinjection = 10.0 𝜇L
Vinit = 2.0 𝜇L
Detailed information about the solvation.
Solvent System Single Solvent
Solvent water
pH 7.0
Please find here information about the dataset this interaction is part of.
Citation:

O. Scherman, F. Biedermann, J. del Barrio, E. Appel, D. Hoogland, M. D. Driscoll, S. Hay, D. J. Wales, SupraBank 2025, Decoupled Associative and Dissociative Processes in Strong yet Highly Dynamic Host–Guest Complexes (dataset). https://doi.org/10.34804/supra.20220701456

Link: https://doi.org/10.34804/supra.20220701456
Export: BibTex | RIS | EndNote
Please find here information about the scholarly article describing the results derived from that data.
Citation:

E. A. Appel, F. Biedermann, D. Hoogland, J. del Barrio, M. D. Driscoll, S. Hay, D. J. Wales, O. A. Scherman, J. Am. Chem. Soc. 2017, 139, 12985–12993.

Link: https://doi.org/10.1021/jacs.7b04821
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of DBF-5kPEGOMe (0.0002 M) and CB8 (0 — 0.0004 M).