GSK481 Chemical Properties

Boiling point:

677.0±55.0 °C(Predicted)

Density 

1.35±0.1 g/cm3(Predicted)

storage temp. 

Store at -20°C

solubility 

Soluble in DMSO

form 

crystalline solid

pka

11.68±0.20(Predicted)

color 

Light brown to brown

GSK481 Usage And Synthesis

Biological Activity

gsk481 is a receptor interacting protein kinase 1 (rip1) inhibitor.the role of rip1 kinase in tumor necrosis factor mediated inflammation has resulted in its emergence as a promising target for the treatment of multiple inflammatory diseases.

in vitro

previous study showed that gsk481 could not only trigger an increase in biochemical activity but also exhibit great translation in the u937 cellular assay with ic50 of 10 nm. moreover, gsk481 also showed complete specificity for rip1 kinase against all other tested kinases when profiled over both a p33 radiolabeled assay screen. in tight-binding adp-glo ic50 evaluation with increasing atp concentration, gsk481 exhibited a shift to lower potency, which was corresponding to a competitive model. in addition, gsk481 was also found to be a potent inhibitor of s166 phosphorylation in wild-type human rip1 but was ineffective at reducing s166 phosphorylation for wild-type mouse rip1. gsk481 was also able to more potently inhibit ser166 phosphorylation in all three tested mouse rip1 mutants than in wild-type mouse [1].

target

IC 50

1.3 nm for rip1

References

[1] harris pa et al. dna-encoded library screening identifies benzo[b][1,4]oxazepin-4-ones as highly potent and monoselective receptor interacting protein 1 kinase inhibitors. j med chem, 2016 mar 10, 59(5):2163-78.

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