Skip to main content
. Author manuscript; available in PMC: 2014 Oct 23.
Published in final edited form as: Nat Methods. 2007 Aug;4(8):619–628. doi: 10.1038/nmeth1072

Figure 1. General strategies caged by either multistep or direct caging.

Figure 1

The caging chromophore prevents receptor binding until it is cleaved by light. Second messengers and hormones can be caged by both strategies, but the illustration shows only two examples for simplicity.