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Purity: ≥98%
K-Ras-IN-1 (formerly known as K-Ras-Inhibitor-1) is a novel small molecule K-Ras inhibitor that binds to K-Ras in a hydrophobic pocket that is occupied by Tyr-71 in the apo-Ras crystal structure, in other words, K-Ras-IN-1 binds directly to K-Ras between switch I and switch II and inhibit Sos-catalyzed K-Ras activation. It inhibits Sos-mediated nucleotide exchange by attaching to K-Ras and preventing Sos from binding. K-Ras-IN-1 serves as a platform for acquiring probe molecules that are helpful in clarifying novel understandings of Ras signaling and in identifying K-Ras inhibitors for the management of cancer.
| Targets |
K-Ras
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| Enzyme Assay |
Compounds that blocked Sos-mediated nucleotide exchange were tested for their ability to investigate the functional effects of binding to K-Ras. In this experiment, BODIPY-GTP is swapped for unlabeled GDP, which is catalyzed by Sos and causes a rise in fluorescence.
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| References |
| Molecular Formula |
C11H13NOS
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| Molecular Weight |
207.29
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| Exact Mass |
207.07
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| Elemental Analysis |
C, 63.74; H, 6.32; N, 6.76; O, 7.72; S, 15.47
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| CAS # |
84783-01-7
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| Related CAS # |
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| Appearance |
Solid powder
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| SMILES |
C1CCN(C1)C(=S)C2=CC=CC=C2O
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| InChi Key |
QIKLOVZAPGSYNO-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C11H13NOS/c13-10-6-2-1-5-9(10)11(14)12-7-3-4-8-12/h1-2,5-6,13H,3-4,7-8H2
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| Chemical Name |
(2-hydroxyphenyl)-pyrrolidin-1-ylmethanethione
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| Synonyms |
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (12.06 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 2.5 mg/mL (12.06 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: ≥ 2.5 mg/mL (12.06 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 4.8242 mL | 24.1208 mL | 48.2416 mL | |
| 5 mM | 0.9648 mL | 4.8242 mL | 9.6483 mL | |
| 10 mM | 0.4824 mL | 2.4121 mL | 4.8242 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
Ribbon and molecular surface representations of the X-ray co-crystal structures of GDP-K-Ras complexed to: a)4(PDB code 4EPV), b)5(PDB code 4EPW), c)2(PDB code 4EPT) and d)6(PDB code 4EPX).Angew Chem Int Ed Engl.2012 Jun 18;51(25):6140-3. |
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Electrostatic surface representations of GDP-K-Ras a) in the absence of a ligand (PDB code 4EPR) and b) in the “open” form showing the primary hydrophobic binding pocket and the adjacent electronegative cleft. c) Schematic representation of the transition of GDP-K-Ras from the “closed” form (green) to the “open” form (cyan).Angew Chem Int Ed Engl.2012 Jun 18;51(25):6140-3. |
a) Ribbon and molecular surface representations of GDP-bound K-Ras complexed to13(PDB code 4EPY). b) K-Ras/13X-ray structure overlaid with a previously reportedRas-Sos complex crystal structure (PDB code 1BKD). Angew Chem Int Ed Engl.2012 Jun 18;51(25):6140-3. |
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