Biology Forum › Molecular Biology › how to find out inhibitor target
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- December 22, 2010 at 3:20 pm #14295
yi198720022004ParticipantHi,
That’s say if I found an inhibitor to a pathway. Among many points in the pathway, how can I find out that which point the inhibitor targets. Can I perform a gel shift assay?
- December 22, 2010 at 5:44 pm #102898magicsiewParticipant
Can use microarray to see the gene expression pattern, to identify which gene is inhibited.
- December 23, 2010 at 7:54 am #102905JackBeanParticipant
question is, whether he talks about enzyme or signaling pathway
- December 23, 2010 at 3:47 pm #102906canalonParticipant
Depends of the nature of the inhibitor, and the strength of the link between the inhibitor and the target.
For protein/protein interaction, the SPINE technique appears good on paper (it is a bit more tricky in my experience, but I set myself for difficult conditions in the first place). It consist in labeling your inhibitor protein (his tag, strep tag) and regulate expression then fix your cells with PFA and run on a column designed to attract your labeled protein. Then elute and boil and you have your target and your prey in the mix.
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