In particular, MCMC sampling also makes it possible to jointly estimate binding probabilities to the whole promoter and individual base pair locations.
We used this approach to estimate binding of ligands to cathepsin B, but found that QM/MM-PBSA energies (r = 0.59) were worse than gas-phase QM energies (r = 0.80) [85].
The PMF to estimate binding affinity of PhC to each PDC109 domain was carried out using the adaptive biasing force (ABF) method [70], [72].
A competitive ELISA was used to estimate binding affinity for SOX11-C1 to approximately 0.6·10 M-1.
Then, a single-point Kd calculation method (Qin et al. 2015) was employed to estimate binding affinity of each ligand to the receptor (Table 1).
The allowance for receptor flexibility provided by computational techniques such as molecular dynamics simulations or enhanced sampling techniques helps to improve the accuracy of methods used to estimate binding affinities and, thus, such methods can contribute to the discovery of novel drug leads.
Kd cannot be estimated (no binding to mutant could be detected).
For the weight matrices/energy matrices used in the study, see Additional file 1, Additional file 2, Additional file 3 and Additional file 4. The energy matrices constructed using each of the methods allows one to assign an estimated binding energy to a given site.
Using experimental data, the model is applied to estimate binding intensities of phage-type RNA polymerases to their promoters as well as predicting terminator characteristics, including polarization.
To date, however, the use of quantitative structure activity relationship (QSAR) models to estimate binding affinity across multiple chemical classes has shown only modest success possibly due, in part, to a focus on minimum energy chemical structures as the active molecules.
