| Solution Information | help | |
| Enzyme: | Ras-related protein Rab-2A | |
| inhibitor: | BDBM48386 | |
| substrate: | n/a | |
| Solution Type: | Aqueous | |
| pH at Preparation: | n/a | |
| Temp. Prep.: | n/a | |
| Comments: | Bead sets are coated with individual GST-small G proteins, blocked with Buffer (0.01% NP-40; 30mM HEPES pH 7.5; 100mM KCl; 20mM NaCl; 1mM EDTA; 0.1% BSA and 1mM DTT), incubated overnight at 4 degrees C, and finally washed in buffer. The different bead sets, acquired from Duke Scientific, have similar size (~ 4 microm diameter) however they are distinguished by varied magnitude of emission at 665 +/-10 nm with excitation at 635 nm. Test compounds were serially diluted 1:3 eight times for a total of nine different test compound concentrations in DMSO. Final compound dilutions in DMSO ranged from 1 microM to 10mM. These dilutions were then diluted 1 to 100 to give an assay concentration range of 10 nanoM to 100 microM. The assay is conducted in 384-well microplates in a total well volume of 10.1 microliters (5 microliters of bead mixture, 0.1 microliters of test compound, and 5 microliters of 200nanoM Bodipy-FL-GTP in buffer containing BSA and DTT for a final concentration of GTP of 10 | |
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