The PX domains of p47phox and p40phox bind to lipid products of PI(3)K.

Kanai F, Liu H, Field SJ, Akbary H, Matsuo T, Brown GE, Cantley LC, Yaffe MB
Nat Cell Biol. 2001 Jul . 3(7):675-8. PubMed Article

Plasmids from Article

ID	Plasmid	Purpose
19007	pGEX-p47PX(aa2-132)
19008	pGEX-p40PX(aa1-148)
19009	pGEX-p40R57Q PX
19010	p40PX-EGFP
19011	p40PX-EYFP