Inositol pentakisphosphate

myo-Inositol 1,3,4,5,6-pentakisphosphate

200px
Identifiers
CAS Number	20298-95-7  Y
ChEBI	CHEBI:57733 Y
ChemSpider	19951265 Y
Jmol 3D model	Interactive image
InChI InChI=1S/C6H17O21P5/c7-1-2(23-28(8,9)10)4(25-30(14,15)16)6(27-32(20,21)22)5(26-31(17,18)19)3(1)24-29(11,12)13/h1-7H,(H2,8,9,10)(H2,11,12,13)(H2,14,15,16)(H2,17,18,19)(H2,20,21,22)/p-10/t1-,2+,3-,4-,5+,6+ Y Key: CTPQAXVNYGZUAJ-KXXVROSKSA-D Y InChI=1/C6H17O21P5/c7-1-2(23-28(8,9)10)4(25-30(14,15)16)6(27-32(20,21)22)5(26-31(17,18)19)3(1)24-29(11,12)13/h1-7H,(H2,8,9,10)(H2,11,12,13)(H2,14,15,16)(H2,17,18,19)(H2,20,21,22)/p-10/t1-,2+,3-,4-,5+,6+ Key: CTPQAXVNYGZUAJ-JSZKNSOJBF
SMILES O=P([O-])([O-])O[C@@H]1[C@@H](OP([O-])([O-])=O)[C@H](OP([O-])([O-])=O)[C@H](O)[C@H](OP([O-])([O-])=O)[C@H]1OP([O-])([O-])=O
Properties
Chemical formula	C6H17O21P5
Molar mass	580.05 g·mol−1
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Inositol pentakisphosphate (abbreviated IP5) is a molecule derived from inositol tetrakisphosphate by adding a phosphate group with the help of Inositol-polyphosphate multikinase (IPMK). It is believed to be one of the many second messengers in the inositol phosphate family. It "is implicated in a wide array of biological and pathophysiological responses, including tumorigenesis, invasion and metastasis, therefore specific inhibitors of the kinase may prove useful in cancer therapy."

IP5 also plays a role in defense signaling in plants. It potentiates the interaction of the plant hormone JA-Ile by its receptor.