TRAP1-IN-1 (compound 35) is a potent and selective inhibitor of TRAP1, a mitochondrial isoform of Hsp90. TRAP1-IN-1 has >250-fold TRAP1 selectivity over Grp94, and disrupts TRAP1 tetramer stability, induces TRAP1 client protein degradation. TRAP1-IN-1 also inhibits mitochondrial complex I of oxidative phosphorylation OXPHOS, disrupts the mitochondrial membrane potential, and enhances glycolysis metabolism[1].