PIP2   Click here for help

GtoPdb Ligand ID: 2387

Synonyms: phosphatidylinositol-4,5-bisphosphate | PIP2
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 19
Hydrogen bond donors 8
Rotatable bonds 44
Topological polar surface area 332
Molecular weight 1022.49
XLogP 9.87
No. Lipinski's rules broken 4
SMILES / InChI / InChIKey
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Canonical SMILES CCCCCCCCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCCCCCCCC)COP(=O)(OC1C(O)C(O)C(C(C1O)OP(=O)(O)O)OP(=O)(O)O)O
Isomeric SMILES CCCCCCCC/C=C\CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC/C=C\CCCCCCCC)COP(=O)(O[C@@H]1[C@H](O)[C@H](O)[C@H]([C@@H]([C@H]1O)OP(=O)(O)O)OP(=O)(O)O)O
InChI InChI=1S/C45H85O19P3/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38(46)59-35-37(61-39(47)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2)36-60-67(57,58)64-43-40(48)41(49)44(62-65(51,52)53)45(42(43)50)63-66(54,55)56/h17-20,37,40-45,48-50H,3-16,21-36H2,1-2H3,(H,57,58)(H2,51,52,53)(H2,54,55,56)/b19-17-,20-18-/t37-,40-,41+,42+,43-,44-,45-/m1/s1
InChI Key IGQSAMXNWMLOOS-GGDMTQDZSA-N
References
1. Baukrowitz T, Schulte U, Oliver D, Herlitze S, Krauter T, Tucker SJ, Ruppersberg JP, Fakler B. (1998)
PIP2 and PIP as determinants for ATP inhibition of KATP channels.
Science, 282 (5391): 1141-4. [PMID:9804555]
2. Hammond SM, Jenco JM, Nakashima S, Cadwallader K, Gu Q, Cook S, Nozawa Y, Prestwich GD, Frohman MA, Morris AJ. (1997)
Characterization of two alternately spliced forms of phospholipase D1. Activation of the purified enzymes by phosphatidylinositol 4,5-bisphosphate, ADP-ribosylation factor, and Rho family monomeric GTP-binding proteins and protein kinase C-alpha.
J Biol Chem, 272 (6): 3860-8. [PMID:9013646]
3. Hilgemann DW, Ball R. (1996)
Regulation of cardiac Na+,Ca2+ exchange and KATP potassium channels by PIP2.
Science, 273 (5277): 956-9. [PMID:8688080]
4. Huang CL, Feng S, Hilgemann DW. (1998)
Direct activation of inward rectifier potassium channels by PIP2 and its stabilization by Gbetagamma.
Nature, 391 (6669): 803-6. [PMID:9486652]
5. Li Y, Gamper N, Hilgemann DW, Shapiro MS. (2005)
Regulation of Kv7 (KCNQ) K+ channel open probability by phosphatidylinositol 4,5-bisphosphate.
J Neurosci, 25 (43): 9825-35. [PMID:16251430]
6. Lopez I, Arnold RS, Lambeth JD. (1998)
Cloning and initial characterization of a human phospholipase D2 (hPLD2). ADP-ribosylation factor regulates hPLD2.
J Biol Chem, 273 (21): 12846-52. [PMID:9582313]
7. Luo JQ, Liu X, Hammond SM, Colley WC, Feig LA, Frohman MA, Morris AJ, Foster DA. (1997)
RalA interacts directly with the Arf-responsive, PIP2-dependent phospholipase D1.
Biochem Biophys Res Commun, 235 (3): 854-9. [PMID:9207251]
8. Nilius B, Mahieu F, Prenen J, Janssens A, Owsianik G, Vennekens R, Voets T. (2006)
The Ca2+-activated cation channel TRPM4 is regulated by phosphatidylinositol 4,5-biphosphate.
EMBO J, 25 (3): 467-78. [PMID:16424899]
9. Pian P, Bucchi A, Robinson RB, Siegelbaum SA. (2006)
Regulation of gating and rundown of HCN hyperpolarization-activated channels by exogenous and endogenous PIP2.
J Gen Physiol, 128 (5): 593-604. [PMID:17074978]
10. Rapedius M, Soom M, Shumilina E, Schulze D, Schönherr R, Kirsch C, Lang F, Tucker SJ, Baukrowitz T. (2005)
Long chain CoA esters as competitive antagonists of phosphatidylinositol 4,5-bisphosphate activation in Kir channels.
J Biol Chem, 280 (35): 30760-7. [PMID:15980413]
11. Runnels LW, Yue L, Clapham DE. (2002)
The TRPM7 channel is inactivated by PIP(2) hydrolysis.
Nat Cell Biol, 4 (5): 329-36. [PMID:11941371]
12. Soom M, Schönherr R, Kubo Y, Kirsch C, Klinger R, Heinemann SH. (2001)
Multiple PIP2 binding sites in Kir2.1 inwardly rectifying potassium channels.
FEBS Lett, 490 (1-2): 49-53. [PMID:11172809]
13. Tóth B, Csanády L. (2012)
Pore collapse underlies irreversible inactivation of TRPM2 cation channel currents.
Proc Natl Acad Sci USA, 109 (33): 13440-5. [PMID:22847436]
14. Zhang Z, Okawa H, Wang Y, Liman ER. (2005)
Phosphatidylinositol 4,5-bisphosphate rescues TRPM4 channels from desensitization.
J Biol Chem, 280 (47): 39185-92. [PMID:16186107]