Critical Point Representations of Electron Density Maps for the Comparison of Benzodiazepine-Type Ligands
journal contributionposted on 15.02.2000, 00:00 by Laurence Leherte, Nathalie Meurice, Daniel P. Vercauteren
A procedure for the comparison of three-dimensional electron density distributions is proposed for similarity searches between pharmacological ligands at various levels of crystallographic resolution. First, a graph representation of molecular electron density distributions is generated using a critical point analysis approach. Pairwise as well as multiple comparisons between the obtained graphs of critical points are then carried out using a Monte Carlo/simulated annealing technique, and results are compared with genetic algorithm solutions.