Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Class I PI3K. Scheme of heterodimeric class I PI3K family members and their classification as IA and IB. The figure illustrates the receptors that activate these enzymes, as well as PI3K tissue distribution. The PIP3 molecule is shown on the right. Tyr K R, Tyr kinase receptor.
