Interaction Scheme

Molecule

Untitled
L-cysteine

c = 0.0 — 600.0 µM

Host

Pt complex
cyclometalated [N,C,N-Pt(II)] framework

c = 50.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 7.94⋅104 ± 1830.0 M-1
Kd =
logKa = 4.9 ± 0.01
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -27.97 ± 0.06 -6.68 ± 0.01
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Fluorescence
𝛌ex = 424.0 nm
𝛌em = 504.0 nm
Detailed information about the solvation.
Solvent System Buffer System 8:2 DMF/Tris Buffer, pH 7.2
Solvents DMF 80.0 %
water 20.0 %
Additives Trometamol
Source of Concentration
pH 7.2
Please find here information about the dataset this interaction is part of.
Citation:

W. Tong, M. C. W. Chan, S. Yiu, SupraBank 2024, Congested Cyclometalated Platinum(II) Ditopic Frameworks and Their Phosphorescent Responses to S-Containing Amino Acids (dataset). https://doi.org/10.34804/supra.20220628444

Link: https://doi.org/10.34804/supra.20220628444
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

W.-L. Tong, M. C. W. Chan, S.-M. Yiu, Organometallics 2010, 29, 6377–6383.

Link: https://doi.org/10.1021/om1007488
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of L-cysteine (0.0002517940324814302 M) and cyclometalated [N,C,N-Pt(II)] framework (0 — 0.0005035880649628604 M).