PDI Inhibitor IV, LOC14, 2-((4-(Cyclopropanecarbonyl)piperazin-1-yl)methyl)benzo[d]isothiazol-3(2H)-one, 2-((4-(Cyclopropylcarbonyl)-1-piperazinyl)methyl)-1,2-benzothiazol-3(2H)-one, Lead Optimized Compound 14, Protein Disulfide Isomerase Inhibitor IV
A cell-permeable, blood brain barrier permeable, orally bioavailable, non-toxic benzothiazolone derived compound that acts a potent, reversible and non-covalent inhibitor of protein disulfide isomerase (PDI) reductase activity (Kd = 61.7 nM for PDIa). Shown to bind to PDIa stoichiometrically (1:1), adjacent to the active site, and enforce PDI to adopt an oxidized conformation. Dose-dependently rescues both PC12 cells (EC50 = 500 nM) and medium spiny neurons from mutant huntingtin neurotoxicity. Exhibits favorable microsomal (k = 0.0016, t1/2 = 438.7 min, CLint = 0.17 ml/min/g mouse liver) and blood plasma stability (k = 0.0049, t1/2 = 144 min and 49.9% remains after 2 h incubation) and is well tolerated in mice (20 mg/kg, p.o.).
Please note that the molecular weight for this compound is batch-specific due to variable water content. Please refer to the vial label or the certificate of analysis for the batch-specific molecular weight. The molecular weight provided represents the baseline molecular weight without water.
Biochem/physiol Actions
Cell permeable: yes
Primary Target PDI
Reversible: yes
Packaging
Packaged under inert gas
Warning
Toxicity: Standard Handling (A)
Reconstitution
Use only anhydrous DMSO for reconstitution.
Other Notes
Kaplan, A., et al. 2015. Proc. Natl. Acad. Sci. USA112, In press.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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