Record Information
Version2.0
StatusDetected and Quantified
Creation Date2021-11-19 04:27:41 UTC
Update Date2025-10-07 16:07:52 UTC
Metabolite IDMMDBc0032927
Metabolite Identification
Common NamePhosphatidylinositol 4,5-bisphosphate
DescriptionPhosphatidylinositol 4,5-bisphosphate is a phospholipid belonging to the class of phosphoinositides, which play crucial roles in cellular signaling and membrane dynamics. Its chemical structure consists of a glycerol backbone, two fatty acid tails, and a phosphorylated inositol ring with two phosphate groups at the 4 and 5 positions. In cellular pathways, phosphatidylinositol 4,5-bisphosphate is involved in various signaling cascades, including those related to cytoskeletal rearrangements and membrane trafficking. For instance, it is known to accumulate during rhizobial infection in Lotus japonicus, where it inhibits excessive infection by modulating the plant's immune response (PMID:40985194 ). Additionally, the stability of phosphatidylinositol 4,5-bisphosphate levels has been observed despite various perturbations, indicating its critical role in maintaining cellular homeostasis (PMID:41026787 ). The dynamics of this metabolite are essential for understanding its function in both plant biology and broader cellular processes.
Structure
Synonyms
ValueSource
Phosphatidylinositol 4,5-bisphosphoric acidGenerator
Molecular FormulaC47H80O19P3
Average Mass1042.048
Monoisotopic Mass1041.450664914
IUPAC NameNot Available
Traditional NameNot Available
CAS Registry Number245126-95-8
SMILES
CCCCCCCCCCCCCCCCCC(=O)OCC(COP([O-])(=O)O[C@@H]1[C@H](O)[C@H](O)[C@@H](OP([O-])([O-])=O)[C@H](OP([O-])([O-])=O)[C@H]1O)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC
InChI Identifier
InChI=1S/C47H85O19P3/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(49)63-39(37-61-40(48)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2)38-62-69(59,60)66-45-42(50)43(51)46(64-67(53,54)55)47(44(45)52)65-68(56,57)58/h11,13,17,19,22,24,28,30,39,42-47,50-52H,3-10,12,14-16,18,20-21,23,25-27,29,31-38H2,1-2H3,(H,59,60)(H2,53,54,55)(H2,56,57,58)/p-5/b13-11-,19-17-,24-22-,30-28-/t39?,42-,43+,44+,45-,46-,47-/m1/s1
InChI KeyCNWINRVXAYPOMW-WJUYXORRSA-I