PI-4P
							PI
																																																	PI-4,5P2
																																																																									PI-3,4,5P3
																																																																P
																																											P
																									P
																																										4
																																																																	4
						4																		4
															4-KINASE
																																																									P
																																																			P
																																		5-KINASE																																									P
																																							3
																																															5														3
		3																	3																																																				5
											5																			5
																																						2
																																																												2
	2																																																																					6
										6								2																														6
																													6
																																										1																							1
						1																	1
																																																				PI-3KINASE