AX20017

AX 20017 is a small-molecule protein kinase G (PknG) inhibitor with an IC50 of 0.39 μM.

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库存: 现货

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5mg

￥750.00

600.00

- +
10mg

￥1087.00

870.00

- +
25mg

￥2262.00

1810.00

- +
50mg

￥3850.00

3080.00

- +

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Background

AX 20017 is a small-molecule protein kinase G (PknG) inhibitor with an IC50 of 0.39 μM.

[1] Walburger A, et al. Science. 2004 Jun 18;304(5678):1800-4.

Protocol

Kinase experiment:

In vitro phosphorylation by PknG (0.5 μg) is in 25 mM Tris (pH 7.5), 2 mM MnCl2, and 0.5 μCi [γ-32P]ATP in the absence or presence of the reagents. To monitor kinase activity of PknGΔN, the protein is combined with equal amounts of the kinase-dead mutant of full-length PknG, PknG-K181M. To analyze kinase activity of PknG-I87S/A92S and PknG-C/S, the PknG-N-terminal fragment of PknG (2 μg) is included. Phosphorylated proteins are separated on 12.5% SDS/PAGE and analyzed by autoradiography or quantitated by PhosphorImage analysis. IC50 values are determined by using a radiometric ATP consumptive assay. Twelve concentrations of AX20017 in the range from 5 × 10-5M to 1.5 × 10-10 M are tested in each kinase assay[3].

Cell experiment:

Phagocytosis is analyzed after incubation of J774 cells for 30 min in the presence of the indicated concentration of AX20017 (0, 10, 20 μM), followed by incubating the cells for 2 h with latex beads at a ratio of 10:1 beads/cells in the continued presence of the inhibitor, followed by fixation in 3% paraformaldehyde as described. Cells are observed with a Axiophot using a ×63 objective. Proliferation of J774 cells is analyzed by incorporation of tritiated thymidine (0.1 μCi) for 12 h as described of cells that had been incubated for 48 h in the absence or presence of the AX20017(0, 10, 20 μM)[3].

参考文献:

[1]. Walburger A, et al. Protein kinase G from pathogenic mycobacteria promotes survival within macrophages. Science. 2004 Jun 18;304(5678):1800-4.
[2]. Santhi N, et al. Insights from the molecular docking of withanolide derivatives to the target protein PknG from Mycobacterium tuberculosis. Bioinformation. 2011;7(1):1-4.
[3]. Scherr N, et al. Structural basis for the specific inhibition of protein kinase G, a virulence factor of Mycobacterium tuberculosis. Proc Natl Acad Sci U S A. 2007 Jul 17;104(29):12151-6.