Mycophenolic vs Spironolactone
Mechanistic comparison of Mycophenolic Acid Compound derived from Penicillium stoloniferum and related species. It blocks de novo biosynthesis of purine nucleotides by inhibition of and Spironolactone based on molecular target overlap from BindingDB and ChEMBL binding affinity data.
14
Shared Targets
29%
Jaccard Similarity
24%
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
Mycophenolic and Spironolactone share 14 molecular targets based on binding affinity data from BindingDB (Kd/IC50 ≤ 10 µM) and ChEMBL. A Jaccard index of 0.292 means 29% of the combined target set is bound by both compounds. The IDF-weighted score of 0.240 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.