Dextrorphan vs Memantine
Mechanistic comparison of Dextrorphan Dextro form of levorphanol. It acts as and Memantine AMANTADINE derivative that has some dopaminergic effects. It has been proposed as based on molecular target overlap from BindingDB and ChEMBL binding affinity data.
3
Shared Targets
23%
Jaccard Similarity
22%
IDF-Weighted Similarity
Jaccard measures raw target overlap. IDF-weighted downweights promiscuous hub targets (e.g. CYP enzymes) that bind many compounds non-specifically.
Evidence Comparison
Target Overlap
Dextrorphan and Memantine share 3 molecular targets based on binding affinity data from BindingDB (Kd/IC50 ≤ 10 µM) and ChEMBL. A Jaccard index of 0.231 means 23% of the combined target set is bound by both compounds. The IDF-weighted score of 0.218 accounts for non-specific binding to metabolic enzymes.
Note: High target overlap does not imply identical mechanism or therapeutic equivalence. Binding affinity, tissue distribution, bioavailability, and downstream signaling differ significantly between compounds even when they bind the same protein.