ID 2.7.1.68 DE 1-phosphatidylinositol-4-phosphate 5-kinase. AN Diphosphoinositide kinase. AN Phosphatidylinositol 4-phosphate kinase. AN Phosphatidylinositol-4-phosphate 5-kinase. AN PIP kinase. AN PtdIns(4)P-5-kinase. AN Type I PIP kinase. CA ATP + 1-phosphatidyl-1D-myo-inositol 4-phosphate = ADP + 1-phosphatidyl- CA 1D-myo-inositol 4,5-bisphosphate. CC -!- This enzyme can also phosphorylate PtdIns3P in the 4-position, CC and PtdIns, PtdIns3P and PtdIns(3,4)P(2) in the 5-position in vitro, CC but to a lesser extent. CC -!- The last of these reactions occurs in vivo and is physiologically CC relevant. DR O13853, ITS3_SCHPO ; P38994, MSS4_YEAST ; Q99755, PI51A_HUMAN; DR P70182, PI51A_MOUSE; D3ZSI8, PI51A_RAT ; Q5ZJ58, PI51B_CHICK; DR O14986, PI51B_HUMAN; P70181, PI51B_MOUSE; Q5CZZ9, PI51B_RAT ; DR O60331, PI51C_HUMAN; O70161, PI51C_MOUSE; Q5I6B8, PI51C_RAT ; DR Q56YP2, PI5K1_ARATH; Q6EX42, PI5K1_ORYSJ; Q8L796, PI5K2_ARATH; DR O48709, PI5K3_ARATH; Q9M1K2, PI5K4_ARATH; Q9SLG9, PI5K5_ARATH; DR Q9SFB8, PI5K6_ARATH; Q9SUI2, PI5K7_ARATH; Q8RY89, PI5K8_ARATH; DR Q8L850, PI5K9_ARATH; Q9LMN1, PI5KA_ARATH; Q9M149, PI5KB_ARATH; DR Q17QS4, PI5L1_BOVIN; Q5T9C9, PI5L1_HUMAN; Q6U7H8, PI5L1_MOUSE; //