Title : Phosphatidylinositol (3,4,5)-trisphosphate specifically interacts with the phox homology domain of phospholipase D1 and stimulates its activity.

Pub. Date : 2005 Oct 1

PMID : 16179605






8 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Phosphatidylinositol (3,4,5)-trisphosphate specifically interacts with the phox homology domain of phospholipase D1 and stimulates its activity. phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens
2 Interestingly, the PX domain of PLD1, but not that of PLD2, was found to specifically interact with phosphatidylinositol (3,4,5)-trisphosphate (PtdIns(3,4,5)P3). phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens
3 Interestingly, the PX domain of PLD1, but not that of PLD2, was found to specifically interact with phosphatidylinositol (3,4,5)-trisphosphate (PtdIns(3,4,5)P3). phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens
4 We found that mutation of the conserved arginine at position 179 of the PLD1 PX domain to lysine or to alanine (R179A or R179K, respectively) disrupts PtdIns(3,4,5)P3 binding. phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens
5 The enzymatic activity of PLD1 was stimulated by adding PtdIns(3,4,5)P3 in vitro. phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens
6 Our results suggest that the PLD1 PX domain enables PLD1 to mediate signal transduction via ERK1/2 by providing a direct binding site for PtdIns(3,4,5)P3 and by activating PLD1. phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens
7 Our results suggest that the PLD1 PX domain enables PLD1 to mediate signal transduction via ERK1/2 by providing a direct binding site for PtdIns(3,4,5)P3 and by activating PLD1. phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens
8 Our results suggest that the PLD1 PX domain enables PLD1 to mediate signal transduction via ERK1/2 by providing a direct binding site for PtdIns(3,4,5)P3 and by activating PLD1. phosphatidylinositol 3,4,5-triphosphate phospholipase D1 Homo sapiens