Now, the Phox homology (PX) domain, an evolutionarily conserved protein domain whose function has so far been ... the human genome encodes about 250 PH-domain proteins, 30 FYVE-domain proteins ...

External signals stimulate pathways that control cellular functions such as ... of SOS includes a histone-fold domain, a Dbl Homology (DH)-Pleckstrin Homology (PH) domain cassette, a helical ...