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NAcM-OPT

NAcM-OPT
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Purity:99.68%
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NAcM-OPT

Catalog No. T5374Cas No. 2089293-61-6
NAcM-OPT is a specific, reversible inhibitor targeting N-Acetyl-UBE2M interaction with DCN1 (IC50: 79 nM).
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Pack SizePriceAvailabilityQuantity
5 mg$43In Stock
10 mg$72In Stock
25 mg$143In Stock
50 mg$225In Stock
100 mg$378In Stock
500 mg$885In Stock
1 mL x 10 mM (in DMSO)$48In Stock
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Product Introduction

Bioactivity
Description
NAcM-OPT is a specific, reversible inhibitor targeting N-Acetyl-UBE2M interaction with DCN1 (IC50: 79 nM).
In vitro
NAcM-OPT inhibits neddylation in and prevents anchorage-independent growth of a DCN1 amplified cell line without causing changes in protein homeostasis [1].
In vivo
NAcM-OPT has an oral bioavailability of 88% (calculated using IV dose at 1.5 mg/kg and PO dose at 50 mg/kg) [2].
Kinase Assay
TR-FRET assays were carried out in black 384-well microtiter plates at a final volume of 20 μL per well. To screen library compounds, the assay cocktail was prepared as a mixture of 50 nM Biotin-DCN1, 20 nM Ac-UBE2M12-AlexaFluor488, 2.5 nM Tb-Streptavidin in assay buffer (25 mM HEPES, 100 mM NaCl, 0.1% Triton X-100, 0.5 mM DTT, pH 7.5). The assay cocktail was incubated for 1 hour at room temperature and distributed using a WellMate instrument. Compounds to be screened were added to assay plates from DMSO stock solutions by pin transfer using 50SS pins. The assay mixture was incubated for 1 hour at room temperature prior to measuring the TR-FRET signal with a PHERAstar FS plate reader equipped with modules for excitation at 337 nm and emissions at 490 and 520 nm. The integration start was set to 100 μs and the integration time to 200 μs. The number of flashes was fixed at 100. The ratio of 520/490 was used as TR-FRET signal in calculations. Assay endpoints were normalized from 0% (DMSO only) to 100% inhibition (unlabeled competitor peptide) for hit selection and for curve fitting [1].
Cell Research
Exponentially growing cells were plated in 6-well plates at 0.4 × 10^6 cells/well in 2 ml of media and incubated overnight at 37 °C in a humidified 5% CO2 incubator. 24 and 48 hrs after plating, the media was aspirated and replenished with 2 ml fresh media containing either 4 μL of DMSO or a 500× compound DMSO stock solution. The cells were harvested after 72 hrs via trypsinization, thoroughly washed with PBS, pelleted, flash frozen in liquid N2, and stored at ?80 °C. Cell pellets were thawed on ice and lysed by harvested resuspension in 30–40 μL of lysis buffer [50 mM Tris, 150 mM NaCl, 0.5% NP-40, 0.1% SDS, 6.5 M Urea, 2 mM 1,10-orthophenanthroline, 1× Halt Protease and Phosphatase inhibitor cocktail, 0.25 kU Universal Nuclease, pH 7.5]. Cell suspensions were incubated on ice for 25 minutes with occasional mixing by pipetting up and down. Lysates were cleared by centrifugation at 13,000 rpm for 20 minutes and the supernatant collected. The protein concentration of total cell lysate was determined by BCA assay using BSA as a control. Cell lysates were diluted into 2× SDS-PAGE sample buffer such that 25 μg of total protein was loaded per well. Samples were heated at 95 °C for 2 minutes, briefly cleared by pulse centrifugation, separated on 4–12% NuPAGE gels, and transferred to PVDF membranes at 100 V for 90 minutes at 4 °C. Membranes were blocked for 1 hour in blocking buffer consisting of 1× TBS, 0.1% Tween-20, and 5% Blotting grade non-fat dry milk. Primary antibodies were prepared in blocking buffer and incubated with membranes overnight at 4 °C with rocking, followed by extensive washing in 1× TBS, 0.1% Tween-20. Secondary antibodies were prepared in blocking buffer according to the manufactures recommendations and incubated with membranes for 1 hour at room temperature. After extensive washing, membranes were developed with SuperSignal West Pico Chemiluminescent substrate and developed by film exposure [1].
Chemical Properties
Molecular Weight434.4
FormulaC23H29Cl2N3O
Cas No.2089293-61-6
Storage & Solubility Information
Storage Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Solubility Information
DMSO: 45 mg/mL (103.59 mM)
H2O: Insoluble
Solution Preparation Table
DMSO
1mg5mg10mg50mg
1 mM2.3020 mL11.5101 mL23.0203 mL115.1013 mL
5 mM0.4604 mL2.3020 mL4.6041 mL23.0203 mL
10 mM0.2302 mL1.1510 mL2.3020 mL11.5101 mL
20 mM0.1151 mL0.5755 mL1.1510 mL5.7551 mL
50 mM0.0460 mL0.2302 mL0.4604 mL2.3020 mL
100 mM0.0230 mL0.1151 mL0.2302 mL1.1510 mL

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