Information on EC 2.7.1.153 - phosphatidylinositol-4,5-bisphosphate 3-kinase

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The enzyme appears in viruses and cellular organisms

EC NUMBER
COMMENTARY hide
2.7.1.153
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RECOMMENDED NAME
GeneOntology No.
phosphatidylinositol-4,5-bisphosphate 3-kinase
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
ATP + 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate = ADP + 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate
show the reaction diagram
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho-group transfer
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
3-phosphoinositide biosynthesis
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Inositol phosphate metabolism
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SYSTEMATIC NAME
IUBMB Comments
ATP:1-phosphatidyl-1D-myo-inositol-4,5-bisphosphate 3-phosphotransferase
This enzyme also catalyses the phosphorylation of PtdIns4P to PtdIns(3,4)P2, and of PtdIns to PtdIns3P. Four mammalian isoforms are known to exist.
CAS REGISTRY NUMBER
COMMENTARY hide
103843-30-7
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115926-52-8
cf. EC 2.7.1.137
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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Manually annotated by BRENDA team
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Manually annotated by BRENDA team
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Manually annotated by BRENDA team
strain TU-1
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Manually annotated by BRENDA team
strain TU-1
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Manually annotated by BRENDA team
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Manually annotated by BRENDA team
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
evolution
P27986 AND P42336, P42338 AND O00329
class 1 phosphoinositide 3-kinases are heterodimers consisting of an 85 kDa regulatory/adapter subunit (p85) coupled to a 110 kDa catalytic subunit (p110) with both subunits possessing several isoforms. The class I enzymes are further subdivided into two subclasses: class Ia and class Ib. The class 1a phosphoinositol 3-kinases (p110alpha, p110beta and p110delta) signal downstream of tyrosine kinases, while the single class Ib phosphoinositol 3-kinase (p110gamma) operates downstream of heterotrimeric GPCRs (G-protein-coupled receptors); class 1 phosphoinositide 3-kinases are heterodimers consisting of an 85 kDa regulatory/adapter subunit (p85) coupled to a 110 kDa catalytic subunit (p110) with both subunits possessing several isoforms. The class I enzymes are further subdivided into two subclasses: class Ia and class Ib. The class 1a phosphoinositol 3-kinases (p110alpha, p110beta and p110delta) signal downstream of tyrosine kinases, while the single class Ib phosphoinositol 3-kinase (p110gamma) operates downstream of heterotrimeric GPCRs (G-protein-coupled receptors)
malfunction
metabolism
physiological function
additional information
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + 1-phosphatidyl-1D-myo-inositol
ADP + 1-phosphatidyl-1D-myo-inositol 3-phosphate
show the reaction diagram
ATP + 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate
ADP + 1-phosphatidyl-1D-myo-inositol 3,4,5-triphosphate
show the reaction diagram
ATP + 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate
ADP + 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate
show the reaction diagram
ATP + 1-phosphatidyl-1D-myo-inositol 4-phosphate
ADP + 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate
show the reaction diagram
ATP + Akt
ADP + Akt phosphate
show the reaction diagram
ATP + p70S6K
ADP + p70S6K phosphate
show the reaction diagram
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-
-
-
?
ATP + phosphatidylinositol
ADP + phosphatidylinositol 3-phosphate
show the reaction diagram
ATP + phosphatidylinositol 4-phosphate
ADP + phosphatidylinositol 4,5-diphosphate
show the reaction diagram
ATP + phosphatidylinositol-4,5-bisphosphate
ADP + phosphatidylinositol-3,4,5-trisphosphate
show the reaction diagram
additional information
?
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NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
ATP + 1-phosphatidyl-1D-myo-inositol
ADP + 1-phosphatidyl-1D-myo-inositol 3-phosphate
show the reaction diagram
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catalyzed by class I and III, and probably by class II enzymes, overview. PI3K is part of the plasma membrane E-cadherin signaling complex
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-
?
ATP + 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate
ADP + 1-phosphatidyl-1D-myo-inositol 3,4,5-triphosphate
show the reaction diagram
ATP + 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate
ADP + 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate
show the reaction diagram
ATP + 1-phosphatidyl-1D-myo-inositol 4-phosphate
ADP + 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate
show the reaction diagram
ATP + Akt
ADP + Akt phosphate
show the reaction diagram
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-
-
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?
ATP + p70S6K
ADP + p70S6K phosphate
show the reaction diagram
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-
-
-
?
ATP + phosphatidylinositol-4,5-bisphosphate
ADP + phosphatidylinositol-3,4,5-trisphosphate
show the reaction diagram
additional information
?
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
INHIBITORS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1-[2-methyl-3-(trifluoromethyl)benzyl]-2-methyl-7-(morpholin-4-yl)-6,7-dihydroimidazo[1,2-a]pyrimidin-5(1H)-one
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1-[2-methyl-3-(trifluoromethyl)benzyl]-7-(morpholin-4-yl)-6,7-dihydroimidazo[1,2-a]pyrimidin-5(1H)-one
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1-[2-methyl-3-(trifluoromethyl)benzyl]-7-[(2R)-2-methylmorpholin-2-yl]-6,7-dihydroimidazo[1,2-a]pyrimidin-5(1H)-one
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1-[4-[(4-methylpiperazin-1-yl)carbonyl]phenyl]-3-[4-[4-morpholin-4-yl-7-(2,2,2-trifluoroethyl)-7H-pyrrolo[2,3-d ]pyrimidin-2-yl]phenyl]urea
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dual catalytic subunit alpha isoform/mTOR kinase inhibitor, demonstrates inhibition of tumor cell growth in vitro and in vivo and causes suppression of the pathway specific biomarkers in the human MDA-361 cell line
17-hydroxywortmannin
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2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one
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i.e. LY294002, treatment prevents interleukin-13-induced hyper-responsiveness
2-(6-aminopurin-9-ylmethyl)-5-methyl-3-O-tolyl-3H-quinazolin-4-one
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i.e.IC87114, selective for isoform p110delta. Treatment prevents interleukin-13-induced hyper-responsiveness
2-(difluoromethyl)-1-[4,6-di-(4-morpholinyl)-1,3,5-triazin-2-yl]-1H-benzimidazole
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lead compound for structure-activity study
2-(methylsulfanyl)-3-[2-methyl-3-(trifluoromethyl)benzyl]-5-(morpholin-4-yl)[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
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2-methyl-3-[2-methyl-3-(trifluoromethyl)benzyl]-5-(2methylmorpholin-4-yl)[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
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2-methyl-3-[2-methyl-3-(trifluoromethyl)benzyl]-5-(morpholin-4-yl)[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
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2-[(6-amino-9H-purin-9-yl)methyl]-5-methyl-3-(2-methylphenyl)-4(3H)-quinazolinone
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i.e. IC87114, selectively inhibits isoform p110delta
3-(2-morpholino-6-(2-(pyridin-4-yl)ethylamino)pyrimidin-4-yl)phenol
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3-(2-morpholino-6-(pyridin-2-ylmethoxy)pyrimidin-4-yl)phenol
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3-(4-morpholino-6-(pyridin-2-yl)pyrimidin-2-yl)phenol
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3-Methyladenine
3-phenyl-2-[(S)-1-(9H-purin-6-ylamino)-propyl]-3H-quinazolin-4-one
i.e. CAL-101, highly selective and small molecule inhibitor of isoform PI3Kdelta. Inhibitor blocks constitutive phosphatidylinositol-3-kinase signaling, resulting in decreased phosphorylation of Akt and other downstream effectors, an increase in poly(ADP-ribose) polymerase and caspase cleavage and an induction of apoptosis
3-[4-(4-morpholinyl)thieno(3,2-d)pyrimidin-2-yl]-phenol
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a p110 PI3K isoform selective inhibitor
3-[4-(morpholin-4-yl)pyrido[3',2':4,5]furo[3,2-d]pyrimidin-2-yl]phenol
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among the compounds tested, treatment with 3-[4-(morpholin-4-yl)thieno[3,2-d]pyrimidin-2-yl]phenol or 3-[4-(morpholin-4-yl)pyrido[3',2':4,5]furo[3,2-d]pyrimidin-2-yl]phenol leads to the most efficient inhibition
3-[4-(morpholin-4-yl)thieno[3,2-d]pyrimidin-2-yl]phenol
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among the compounds tested, treatment with 3-[4-(morpholin-4-yl)thieno[3,2-d]pyrimidin-2-yl]phenol or 3-[4-(morpholin-4-yl)pyrido[3',2':4,5]furo[3,2-d]pyrimidin-2-yl]phenol leads to the most efficient inhibition
4-(2-((6-methoxypyridin-3-yl)amino)-5-((4-(methylsulfonyl)piperazin-1-yl)methyl)pyridin-3-yl)-6-methyl-1,3,5-triazin-2-amine
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not inhibitory to serine/threonine kinase mTOR; not inhibitory to serine/threonine kinase mTOR
4-[2-[(6-methoxypyridin-3-yl)amino]-5-phenylpyridin-3-yl]-6-methyl-1,3,5-triazin-2-amine
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not inhibitory to serine/threonine kinase mTOR; not inhibitory to serine/threonine kinase mTOR
4-[4-(morpholin-4-yl)-5a,6-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl]phenol
4-[5-(3,6-dihydro-2H-pyran-4-yl)-2-[(6-methoxypyridin-3-yl)amino]pyridin-3-yl]-6-methyl-1,3,5-triazin-2-amine
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not inhibitory to serine/threonine kinase mTOR; not inhibitory to serine/threonine kinase mTOR
5-[2,2-difluoro-benzo(1,3)-dioxol-5-ylmethylene]-thiazolidine-2,4-dione
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a p110 PI3K isoform selective inhibitor
6-amino-2-(difluoromethyl)-1-[4,6-di(4-morpholinyl)-1,3,5-triazin-2-yl]-4-methoxy-1H-benzimidazole
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inhibitory against all three class Ia PI 3-kinase enzymes, i.e. p110alpha, p110beta, and p110delta, and also displays significant potency against two mutant forms of the p110alpha isoform, H1047R and E545K. In an in vivo U87MG human glioblastoma tumor xenograftmodel in Rag1-/- mice, and at a dose of 50mg/kg given by intraperitoneal injection it dramatically reduces cancer growth by 81% compared to untreated controls
7-methyl-2-(4-morpholinyl)-9-[1-(phenylamino)ethyl]-4H-pyrido[1,2-a]pyrimidin-4-one
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i.e. TGX221, selectively inhibits isoform p110beta. Compound decreases secretion of vascular endothelial growth factor and interleukin-6 in nonasthmatic airway smooth muscle cells and lung fibroblasts
AS604850
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PI3Kgamma inhibitor 2
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AS605240
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Baicalin
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10 microM, 35.5% inhibition of isoform PI3Kalpha
CAL-101
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a specific inhibitor of the PI3Kdelta isoform
CapG
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nuclear actin-regulatory protein
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IC-87114
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IC87114
idelalisib
5-fluoro-3-phenyl-2-[(1S)-1-(9H-purin-6-ylamino)propyl]quinazolin-4(3H)-one, a PI3Kdelta inhibitor used to treat hematological malignancies. The inhibitior idelalisib is selective, noncovalent, reversible, and ATP-competitive. The compound binds reversibly and noncovalently to the p110delta subunit of the kinase, analysis of binding interactions that confer the potency and selectivity of idelalisib, overview. Idelalisib is a propeller-shaped inhibitor
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luteolin
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1 microM, 75.8% inhibition of isoform PI3Kalpha
Ly-294002
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LY294002
myricetin
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1 microM, almost complete inhibition of isoform PI3Kalpha
N-[(E)-(6-bromoimidazo[1,2-a]pyridin-3-yl)methylidene]-N,2-dimethyl-5-nitrobenzenesulfonohydrazide
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i.e.PIK75, selectively inhibits isoform p110alpha. In cells stimulated with transforming growth factor-beta and/or 10% fetal bovine serum, compound attenuates transforming growth factor-induced fibronectin deposition in all cell types tested and decreases secretion of vascular endothelial growth factor and interleukin-6 in nonasthmatic airway smooth muscle cells and lung fibroblasts. Compound decreases cell survival in transforming growth factor-stimulated asthmatic, but not nonasthmatic, airway smooth muscle cells
N-[2-(dimethylamino)ethyl]-N-methyl-4-[([4-[4-morpholin-4-yl-7-(2,2,2-trifluoroethyl)-7H-pyrrolo[2,3-d ]pyrimidin-2-yl]phenyl]carbamoyl)amino]benzamide
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dual catalytic subunit alpha isoform/mTOR kinase inhibitor, demonstrates inhibition of tumor cell growth in vitro and in vivo and causes suppression of the pathway specific biomarkers in the human MDA-361 cell line. Good in vivo efficacy in the MDA361 human breast tumor xenograft model
PI-103
PI103
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suppressing phosphatidylinositol 3-kinase activity by inhibitors LY294002 and PI103 selectively reduces both the mRNA and protein levels of peroxisome proliferator-activated receptor gamma coactivator PGC-1beta but not PGC-1alpha. Reducing PGC-1b expression also leads to reduced mRNA expression levels of uncoupling protein 1, 2 and superoxide dismutase 2. Correspondingly, mitochondrial membrane potential and reactive oxygen species levels are increased
PIK-75
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PX-866
quercetagetin
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1 microM, almost complete inhibition of isoform PI3Kalpha
quercetin
TGX-221
TGX-221-R
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R-enantiomer of inhibitor TGX-221, 100fold more potent as a PI3K-beta inhibitor than the S-enantiomer
WAY-266175
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WAY-266176
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Wortmannin
XL147
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targets only the class I PI3Ks
YM024
a p110alpha-selective PI3K inhibitor
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ZSTK474
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a phosphatidylinositol 3-kinase inhibitor, inhibited phosphorylation of Ser65, Thr70 and Thr37/46 in 4E-BP1 by PI3K. Identification of the ZSTK474-sensitive phosphoproteins in A-549 cells, overview
[(4-[2-[(3-hydroxyphenyl)amino]-1H-benzimidazol-1-yl]-1,3,5-triazin-2-yl)amino]acetonitrile
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lead compound for structure-based design of inhibitors, dual inhibitor of phosphatidylinositol 3-kinase and serine/threonine kinase mTOR; lead compound for structure-based design of inhibitors, dual inhibitor of phosphatidylinositol 3-kinase and serine/threonine kinase mTOR
[3-[4-morpholin-4-yl-7-(pyrrolidin-1-ylmethyl)-5H-pyrrolo-[3,2-d ]pyrimidin-2-yl]phenyl]methanol
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selective for catalytic subunit alpha isoform
additional information
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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
beta-catenin
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c-Src
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cAMP
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PI 3-kinase is activated in response to cAMP or IGF-I, the PI 3-kinase activity bound to its p85 regulatory subunit increases by 1.7fold. cAMP-dependent PI 3-kinase activation plays an important role in the increase in cyclin D1 translation. In contrast, IGF-I-dependent PI 3-kinase activation is required for the increase in cyclin D1 mRNA levels and degradation of p27Kip1
G-protein alpha, beta and gamma subunit
strong
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G-protein beta,gamma
in vivo, activation of enzyme by a mechanism assigning specific roles for both enzyme subunits, membrane recruitment via the noncatalytic p101 subunit, and direct stimulation of p110gamma
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G-protein beta,gamma subunit
purified from bovine brain, 16fold activitation at 0.016 mM
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G-protein beta,gamma subunits
significant stimulation of enzyme beta and gamma isoforms in the presence as well as in the absence of non-catalytic subunits such as p85alpha or p101, stimulation of autophosphorylation of the catalytic subunit of enzyme
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guanosine 5'-3-O-(thio)triphosphate
up to 3fold increase in activity, activation is blocked by high concentrations of guanosine-5’-2-O-(thio)diphosphate
IGF-I
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PI 3-kinase is activated in response to cAMP or IGF-I. cAMP-dependent PI 3-kinase activation plays an important role in the increase in cyclin D1 translation. In contrast, IGF-I-dependent PI 3-kinase activation is required for the increase in cyclin D1 mRNA levels and degradation of p27Kip1
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influenza A virus NS1 protein
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interleukin-13
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treatment of tracheal tissue is associated with an early activation of phosphoinositide 3-kinase
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monocyte chemotactic peptide-1
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i.e. MCP-1, stimulation can be inhibited by pertussis toxin, but not by wortmannin
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Pasteurella multocida toxin
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mediated by G protein betagamma-subunits and G protein alpha-subunit, EC 3.6.5.1
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platelet-derived growth factor
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stimulates synthesis of 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate
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Ras
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active RAs activates class 1 enzymes
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RAS-GTP
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regulatory domain p85 interacts with RAS-GTP. RAS binding is essential for oncogenic transformation by helical domain mutants of p110alpha
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thrombin
activation of enzyme in intact cells, blocked by pertussis toxin
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thyroid receptor
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i.e. PV, nongenomic activation of phosphatidylinositol 3-kinase signaling by thyroid hormone receptors, overview. PI3Kactivation through thyroid recptor via protein–protein interaction, i.e. binding to regulatory subunit p85alpha. The thyroid receptorbeta mutant physically interacts with the regulatory p85alpha subunit of PI3K to activate the downstream AKT-mammalian target of rapamycin and p70S6K and PI3K-integrin-linked kinase-matrix metalloproteinase-2 signaling pathways. PI3K activation results in increased cell proliferation, motility, migration, and metastasis. Nuclear receptor corepressor, NCoR, is a regulator of thyroid receptor-activated PI3K signaling
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TNF-alpha
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activates PI3K
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additional information
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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
additional information
additional information
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IC50 VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.000001
1-[2-methyl-3-(trifluoromethyl)benzyl]-2-methyl-7-(morpholin-4-yl)-6,7-dihydroimidazo[1,2-a]pyrimidin-5(1H)-one
Homo sapiens
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pH not specified in the publication, temperature not specified in the publication
0.000003
1-[2-methyl-3-(trifluoromethyl)benzyl]-7-(morpholin-4-yl)-6,7-dihydroimidazo[1,2-a]pyrimidin-5(1H)-one
Homo sapiens
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pH not specified in the publication, temperature not specified in the publication
0.000001
1-[2-methyl-3-(trifluoromethyl)benzyl]-7-[(2R)-2-methylmorpholin-2-yl]-6,7-dihydroimidazo[1,2-a]pyrimidin-5(1H)-one
Homo sapiens
-
pH not specified in the publication, temperature not specified in the publication
0.0000024
1-[4-[(4-methylpiperazin-1-yl)carbonyl]phenyl]-3-[4-[4-morpholin-4-yl-7-(2,2,2-trifluoroethyl)-7H-pyrrolo[2,3-d ]pyrimidin-2-yl]phenyl]urea
Homo sapiens
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pH not specified in the publication, temperature not specified in the publication
0.0000004 - 0.0013
2-(methylsulfanyl)-3-[2-methyl-3-(trifluoromethyl)benzyl]-5-(morpholin-4-yl)[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
0.0000003 - 0.00032
2-methyl-3-[2-methyl-3-(trifluoromethyl)benzyl]-5-(2methylmorpholin-4-yl)[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
0.0000006 - 0.00079
2-methyl-3-[2-methyl-3-(trifluoromethyl)benzyl]-5-(morpholin-4-yl)[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
0.00014 - 0.0016
3-(2-morpholino-6-(2-(pyridin-4-yl)ethylamino)pyrimidin-4-yl)phenol
0.00011 - 0.00073
3-(2-morpholino-6-(pyridin-2-ylmethoxy)pyrimidin-4-yl)phenol
0.000044 - 0.0001
3-(4-morpholino-6-(pyridin-2-yl)pyrimidin-2-yl)phenol
0.0000025 - 0.00082
3-phenyl-2-[(S)-1-(9H-purin-6-ylamino)-propyl]-3H-quinazolin-4-one
0.00058
3-[4-(4-morpholinyl)thieno(3,2-d)pyrimidin-2-yl]-phenol
Homo sapiens
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versus p110alpha PI3K
0.000002 - 0.000009
4-(2-((6-methoxypyridin-3-yl)amino)-5-((4-(methylsulfonyl)piperazin-1-yl)methyl)pyridin-3-yl)-6-methyl-1,3,5-triazin-2-amine
0.000001 - 0.000007
4-[2-[(6-methoxypyridin-3-yl)amino]-5-phenylpyridin-3-yl]-6-methyl-1,3,5-triazin-2-amine
0.000002 - 0.000005
4-[5-(3,6-dihydro-2H-pyran-4-yl)-2-[(6-methoxypyridin-3-yl)amino]pyridin-3-yl]-6-methyl-1,3,5-triazin-2-amine
0.00025
5-[2,2-difluoro-benzo(1,3)-dioxol-5-ylmethylene]-thiazolidine-2,4-dione
Homo sapiens
-
about, versus p110gamma PI3K
0.00000022 - 0.0000014
6-amino-2-(difluoromethyl)-1-[4,6-di(4-morpholinyl)-1,3,5-triazin-2-yl]-4-methoxy-1H-benzimidazole
0.008
LY294002
Homo sapiens
-
inhibition of bacterial entry into macrophages
0.0000009
N-[2-(dimethylamino)ethyl]-N-methyl-4-[([4-[4-morpholin-4-yl-7-(2,2,2-trifluoroethyl)-7H-pyrrolo[2,3-d ]pyrimidin-2-yl]phenyl]carbamoyl)amino]benzamide
Homo sapiens
-
pH not specified in the publication, temperature not specified in the publication
0.00004
TGX-221
Homo sapiens
-
about, versus p110beta PI3K
0.000006
TGX-221-R
Homo sapiens
-
pH not specified in the publication, temperature not specified in the publication
0.0000025
Wortmannin
Homo sapiens
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inhibition of bacterial entry into macrophages
0.000052 - 0.00035
[(4-[2-[(3-hydroxyphenyl)amino]-1H-benzimidazol-1-yl]-1,3,5-triazin-2-yl)amino]acetonitrile
0.000021
[3-[4-morpholin-4-yl-7-(pyrrolidin-1-ylmethyl)-5H-pyrrolo-[3,2-d ]pyrimidin-2-yl]phenyl]methanol
Homo sapiens
-
pH not specified in the publication, temperature not specified in the publication
additional information
additional information
Homo sapiens
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IC50 value of inhbitor 4-[4-(morpholin-4-yl)-5a,6-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl]phenol is 2 nmol/l against recombinant isoform p110alpha, 3 nmol/l against recombinant isoform p110beta, 3 nmol/l against recombinant isoform p110delta, 15 nmol/l against recombinant isoform p110agamma
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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
7
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assay at
7.6
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assay at
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
22
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assay at room temperature
32
P27986 AND P42336, P42338 AND O00329
assay at; assay at
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
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an airway epithelial cell line
Manually annotated by BRENDA team
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Manually annotated by BRENDA team
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the cells are located at the terminal bronchi, and have the capacity to selfrenew and undergo multi-linage differentiation
Manually annotated by BRENDA team
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CEM-R cell; CEM-S cell
Manually annotated by BRENDA team
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recombinant isoforms PI3Kalpha, beta, delta and gamma
Manually annotated by BRENDA team
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PI3Kgamma
Manually annotated by BRENDA team
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thyroid follicular cell line
Manually annotated by BRENDA team
renal proximal tubule epithelial cell
Manually annotated by BRENDA team
primary human acute myeloid leukemia (AML) cells
Manually annotated by BRENDA team
high expression
Manually annotated by BRENDA team
high expression
Manually annotated by BRENDA team
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68% of clinical cases and the MCL cell lines harbor a gain of PIK3 catalytic subunit alpha gene copy number. In addition, cases with increased PIK3CA gene copy number have elevated PIK3CA mRNA levels
Manually annotated by BRENDA team
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PI3Kdelta isoform is most prominently expressed in myeloid cells
Manually annotated by BRENDA team
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p110delta is highly expressed. p110delta as an important signaling component for efficient axonal elongation in the developing and regenerating nervous system
Manually annotated by BRENDA team
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a pivotal region in reflex regulation of arterial pressure in the brain stem. Quantitative determination of expression levels of specific class I PI3K subunits, p85alpha, p85beta, p110alpha, p110beta, p110delta, and p110gamma, in the nucleus tractus solitarii of spontaneously hypertensive rats, overview
Manually annotated by BRENDA team
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osteoclasts express multiple regulatory subunits of class IA PI3-K, although the expression of the full-length form of p85alpha is most abundant
Manually annotated by BRENDA team
rat osteosarcoma cell line
Manually annotated by BRENDA team
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an epithelial ovarian cancer cell line SKOV3 with constitutively active PI3K
Manually annotated by BRENDA team
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tracheal smooth muscle
Manually annotated by BRENDA team
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all cell lines express the catalytic subunit isoforms p110alpha, p110beta, p110gamma, and p110delta
Manually annotated by BRENDA team
additional information
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY hide
GeneOntology No.
LITERATURE
SOURCE
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both nuclear membrane and soluble fraction, presence of an autonomous phosphoinositide 3-kinase cycle
Manually annotated by BRENDA team
additional information
PDB
SCOP
CATH
ORGANISM
UNIPROT