Pum
fused to LexA DNA-binding domain
sos
dimerized, fused to MS2 RNA-stem loop
coordinates relative to Sos-RA isoform
yeast LexA/GAL4-AD.
pum binds 3\' UTR NRE consensus sequences (UGUANAUA) in hb, Egfr, rl, Sos and drk, but not in phl (also known as raf).
