UAS-FLPase and half-life of GAL4

[KANEKO at BINAH.CC.BRANDEIS.EDU]

Hi,
Does anyone have any idea about the following questions? 

What is the half-life of GAL4 protein? Is it stable, or unstable?
Does anybody have a UAS-FLPase line?

Thanks very much,

Maki Kaneko
Dept. of Biology
Brandeis University