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API-1 is a specific Pin1 (peptidyl-prolyl cis-trans isomerase NIMA-interacting 1) inhibitor (API-1) with an IC50 of 72.3 nM. API-1 directly and specifically binds to the Pin1 peptidyl-prolyl isomerase (PPIase) domain and potently inhibits Pin1 cis-trans isomerizing activity. API-1 retains the active conformation of pXPO5 and restores the ability of pXPO5 to transport pre-miRNAs from nucleus to cytoplasm.
API-1 directly and specifically binds to the Pin1 peptidyl-prolyl isomerase (PPIase) domain and potently inhibits Pin1 cis-trans isomerizing activity. API-1 obviously inhibits SK-Hep-1, SNU-423, and Hep3B cell proliferation with low IC50 values (IC50=0.683-4.16 μM).
In vivo, API-1 suppresses tumor growth in mice by up-regulating mature miRNA biogenesis.
| Molecular Weight | 366.30 |
| Formula | C15H13F3N6O2 |
| CAS Number | 680622-70-2 |
| Solubility (25°C) | DMSO ≥ 100 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
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