Target Information
Target General Information | Top | |||||
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Target ID |
T05031
(Former ID: TTDI02297)
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Target Name |
PI3-kinase beta (PIK3CB)
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Synonyms |
p110beta; PtdIns3kinase subunit p110beta; PtdIns3kinase subunit beta; PtdIns-3-kinase subunit p110-beta; PtdIns-3-kinase subunit beta; Phosphatidylinositol 4,5bisphosphate 3kinase catalytic subunitbeta isoform; Phosphatidylinositol 4,5bisphosphate 3kinase 110 kDa catalyticsubunit beta; Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform; Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit beta; PIK3C1; PI3kinase subunit beta; PI3Kbeta; PI3K-beta; PI3-kinase subunit beta
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Gene Name |
PIK3CB
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Target Type |
Clinical trial target
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[1] | ||||
Disease | [+] 1 Target-related Diseases | + | ||||
1 | Breast cancer [ICD-11: 2C60-2C6Y] | |||||
Function |
Phosphoinositide-3-kinase (PI3K) that phosphorylates PtdIns (Phosphatidylinositol), PtdIns4P (Phosphatidylinositol 4-phosphate) and PtdIns(4,5)P2 (Phosphatidylinositol 4,5-bisphosphate) to generate phosphatidylinositol 3,4,5-trisphosphate (PIP3). PIP3 plays a key role by recruiting PH domain-containing proteins to the membrane, including AKT1 and PDPK1, activating signaling cascades involved in cell growth, survival, proliferation, motility and morphology. Involved in the activation of AKT1 upon stimulation by G-protein coupled receptors (GPCRs) ligands such as CXCL12, sphingosine 1-phosphate, and lysophosphatidic acid. May also act downstream receptor tyrosine kinases. Required in different signaling pathways for stable platelet adhesion and aggregation. Plays a role in platelet activation signaling triggered by GPCRs, alpha-IIb/beta-3 integrins (ITGA2B/ ITGB3) and ITAM (immunoreceptor tyrosine-based activation motif)-bearing receptors such as GP6. Regulates the strength of adhesion of ITGA2B/ ITGB3 activated receptors necessary for the cellular transmission of contractile forces. Required for platelet aggregation induced by F2 (thrombin) and thromboxane A2 (TXA2). Has a role in cell survival. May have a role in cell migration. Involved in the early stage of autophagosome formation. Modulates the intracellular level of PtdIns3P (Phosphatidylinositol 3-phosphate) and activates PIK3C3 kinase activity. May act as a scaffold, independently of its lipid kinase activity to positively regulate autophagy. May have a role in insulin signaling as scaffolding protein in which the lipid kinase activity is not required. May have a kinase-independent function in regulating cell proliferation and in clathrin-mediated endocytosis. Mediator of oncogenic signal in cell lines lacking PTEN. The lipid kinase activity is necessary for its role in oncogenic transformation. Required for the growth of ERBB2 and RAS driven tumors.
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BioChemical Class |
Kinase
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UniProt ID | ||||||
EC Number |
EC 2.7.1.153
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Sequence |
MCFSFIMPPAMADILDIWAVDSQIASDGSIPVDFLLPTGIYIQLEVPREATISYIKQMLW
KQVHNYPMFNLLMDIDSYMFACVNQTAVYEELEDETRRLCDVRPFLPVLKLVTRSCDPGE KLDSKIGVLIGKGLHEFDSLKDPEVNEFRRKMRKFSEEKILSLVGLSWMDWLKQTYPPEH EPSIPENLEDKLYGGKLIVAVHFENCQDVFSFQVSPNMNPIKVNELAIQKRLTIHGKEDE VSPYDYVLQVSGRVEYVFGDHPLIQFQYIRNCVMNRALPHFILVECCKIKKMYEQEMIAI EAAINRNSSNLPLPLPPKKTRIISHVWENNNPFQIVLVKGNKLNTEETVKVHVRAGLFHG TELLCKTIVSSEVSGKNDHIWNEPLEFDINICDLPRMARLCFAVYAVLDKVKTKKSTKTI NPSKYQTIRKAGKVHYPVAWVNTMVFDFKGQLRTGDIILHSWSSFPDELEEMLNPMGTVQ TNPYTENATALHVKFPENKKQPYYYPPFDKIIEKAAEIASSDSANVSSRGGKKFLPVLKE ILDRDPLSQLCENEMDLIWTLRQDCREIFPQSLPKLLLSIKWNKLEDVAQLQALLQIWPK LPPREALELLDFNYPDQYVREYAVGCLRQMSDEELSQYLLQLVQVLKYEPFLDCALSRFL LERALGNRRIGQFLFWHLRSEVHIPAVSVQFGVILEAYCRGSVGHMKVLSKQVEALNKLK TLNSLIKLNAVKLNRAKGKEAMHTCLKQSAYREALSDLQSPLNPCVILSELYVEKCKYMD SKMKPLWLVYNNKVFGEDSVGVIFKNGDDLRQDMLTLQMLRLMDLLWKEAGLDLRMLPYG CLATGDRSGLIEVVSTSETIADIQLNSSNVAAAAAFNKDALLNWLKEYNSGDDLDRAIEE FTLSCAGYCVASYVLGIGDRHSDNIMVKKTGQLFHIDFGHILGNFKSKFGIKRERVPFIL TYDFIHVIQQGKTGNTEKFGRFRQCCEDAYLILRRHGNLFITLFALMLTAGLPELTSVKD IQYLKDSLALGKSEEEALKQFKQKFDEALRESWTTKVNWMAHTVRKDYRS Click to Show/Hide
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3D Structure | Click to Show 3D Structure of This Target | AlphaFold | ||||
ADReCS ID | BADD_A03237 ; BADD_A06952 | |||||
HIT2.0 ID | T31JWV |
Drugs and Modes of Action | Top | |||||
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Clinical Trial Drug(s) | [+] 6 Clinical Trial Drugs | + | ||||
1 | Buparlisib | Drug Info | Phase 3 | Breast cancer | [2], [3] | |
2 | PQR309 | Drug Info | Phase 2 | Squamous head and neck cell carcinom | [4] | |
3 | PA-799 | Drug Info | Phase 1/2 | Colorectal cancer | [5] | |
4 | AZD8186 | Drug Info | Phase 1 | Solid tumour/cancer | [6], [7] | |
5 | BAY 1082439 | Drug Info | Phase 1 | Solid tumour/cancer | [8] | |
6 | GSK2636771 | Drug Info | Phase 1 | Solid tumour/cancer | [9], [10] | |
Discontinued Drug(s) | [+] 1 Discontinued Drugs | + | ||||
1 | AZD6482 | Drug Info | Terminated | Thrombosis | [11], [12] | |
Mode of Action | [+] 2 Modes of Action | + | ||||
Inhibitor | [+] 10 Inhibitor drugs | + | ||||
1 | Buparlisib | Drug Info | [1] | |||
2 | PQR309 | Drug Info | [13] | |||
3 | PA-799 | Drug Info | [14] | |||
4 | AZD8186 | Drug Info | [15] | |||
5 | GSK2636771 | Drug Info | [9] | |||
6 | KU-0060648 | Drug Info | [17] | |||
7 | PI-3065 | Drug Info | [18] | |||
8 | PIK-75 | Drug Info | [19] | |||
9 | PP121 | Drug Info | [20] | |||
10 | TGX-221 | Drug Info | [21] | |||
Modulator | [+] 2 Modulator drugs | + | ||||
1 | BAY 1082439 | Drug Info | [16] | |||
2 | AZD6482 | Drug Info | [12] |
Cell-based Target Expression Variations | Top | |||||
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Cell-based Target Expression Variations |
Different Human System Profiles of Target | Top |
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Human Similarity Proteins
of target is determined by comparing the sequence similarity of all human proteins with the target based on BLAST. The similarity proteins for a target are defined as the proteins with E-value < 0.005 and outside the protein families of the target.
A target that has fewer human similarity proteins outside its family is commonly regarded to possess a greater capacity to avoid undesired interactions and thus increase the possibility of finding successful drugs
(Brief Bioinform, 21: 649-662, 2020).
Human Tissue Distribution
of target is determined from a proteomics study that quantified more than 12,000 genes across 32 normal human tissues. Tissue Specificity (TS) score was used to define the enrichment of target across tissues.
The distribution of targets among different tissues or organs need to be taken into consideration when assessing the target druggability, as it is generally accepted that the wider the target distribution, the greater the concern over potential adverse effects
(Nat Rev Drug Discov, 20: 64-81, 2021).
Human Pathway Affiliation
of target is determined by the life-essential pathways provided on KEGG database. The target-affiliated pathways were defined based on the following two criteria (a) the pathways of the studied target should be life-essential for both healthy individuals and patients, and (b) the studied target should occupy an upstream position in the pathways and therefore had the ability to regulate biological function.
Targets involved in a fewer pathways have greater likelihood to be successfully developed, while those associated with more human pathways increase the chance of undesirable interferences with other human processes
(Pharmacol Rev, 58: 259-279, 2006).
Biological Network Descriptors
of target is determined based on a human protein-protein interactions (PPI) network consisting of 9,309 proteins and 52,713 PPIs, which were with a high confidence score of ≥ 0.95 collected from STRING database.
The network properties of targets based on protein-protein interactions (PPIs) have been widely adopted for the assessment of target’s druggability. Proteins with high node degree tend to have a high impact on network function through multiple interactions, while proteins with high betweenness centrality are regarded to be central for communication in interaction networks and regulate the flow of signaling information
(Front Pharmacol, 9, 1245, 2018;
Curr Opin Struct Biol. 44:134-142, 2017).
Human Similarity Proteins
Human Tissue Distribution
Human Pathway Affiliation
Biological Network Descriptors
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There is no similarity protein (E value < 0.005) for this target
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Note:
If a protein has TS (tissue specficity) scores at least in one tissue >= 2.5, this protein is called tissue-enriched (including tissue-enriched-but-not-specific and tissue-specific). In the plots, the vertical lines are at thresholds 2.5 and 4.
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KEGG Pathway | Pathway ID | Affiliated Target | Pathway Map |
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Inositol phosphate metabolism | hsa00562 | Affiliated Target |
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Class: Metabolism => Carbohydrate metabolism | Pathway Hierarchy | ||
ErbB signaling pathway | hsa04012 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Ras signaling pathway | hsa04014 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Rap1 signaling pathway | hsa04015 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
cAMP signaling pathway | hsa04024 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Chemokine signaling pathway | hsa04062 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
HIF-1 signaling pathway | hsa04066 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
FoxO signaling pathway | hsa04068 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Phosphatidylinositol signaling system | hsa04070 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Sphingolipid signaling pathway | hsa04071 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Phospholipase D signaling pathway | hsa04072 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Autophagy - animal | hsa04140 | Affiliated Target |
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Class: Cellular Processes => Transport and catabolism | Pathway Hierarchy | ||
mTOR signaling pathway | hsa04150 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
PI3K-Akt signaling pathway | hsa04151 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
AMPK signaling pathway | hsa04152 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Apoptosis | hsa04210 | Affiliated Target |
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Class: Cellular Processes => Cell growth and death | Pathway Hierarchy | ||
Longevity regulating pathway | hsa04211 | Affiliated Target |
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Class: Organismal Systems => Aging | Pathway Hierarchy | ||
Longevity regulating pathway - multiple species | hsa04213 | Affiliated Target |
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Class: Organismal Systems => Aging | Pathway Hierarchy | ||
Cellular senescence | hsa04218 | Affiliated Target |
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Class: Cellular Processes => Cell growth and death | Pathway Hierarchy | ||
Axon guidance | hsa04360 | Affiliated Target |
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Class: Organismal Systems => Development and regeneration | Pathway Hierarchy | ||
VEGF signaling pathway | hsa04370 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Osteoclast differentiation | hsa04380 | Affiliated Target |
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Class: Organismal Systems => Development and regeneration | Pathway Hierarchy | ||
Focal adhesion | hsa04510 | Affiliated Target |
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Class: Cellular Processes => Cellular community - eukaryotes | Pathway Hierarchy | ||
Signaling pathways regulating pluripotency of stem cells | hsa04550 | Affiliated Target |
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Class: Cellular Processes => Cellular community - eukaryotes | Pathway Hierarchy | ||
Platelet activation | hsa04611 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
Neutrophil extracellular trap formation | hsa04613 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
Toll-like receptor signaling pathway | hsa04620 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
C-type lectin receptor signaling pathway | hsa04625 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
JAK-STAT signaling pathway | hsa04630 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Natural killer cell mediated cytotoxicity | hsa04650 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
T cell receptor signaling pathway | hsa04660 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
B cell receptor signaling pathway | hsa04662 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
Fc epsilon RI signaling pathway | hsa04664 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
Fc gamma R-mediated phagocytosis | hsa04666 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
TNF signaling pathway | hsa04668 | Affiliated Target |
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Class: Environmental Information Processing => Signal transduction | Pathway Hierarchy | ||
Leukocyte transendothelial migration | hsa04670 | Affiliated Target |
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Class: Organismal Systems => Immune system | Pathway Hierarchy | ||
Neurotrophin signaling pathway | hsa04722 | Affiliated Target |
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Class: Organismal Systems => Nervous system | Pathway Hierarchy | ||
Cholinergic synapse | hsa04725 | Affiliated Target |
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Class: Organismal Systems => Nervous system | Pathway Hierarchy | ||
Inflammatory mediator regulation of TRP channels | hsa04750 | Affiliated Target |
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Class: Organismal Systems => Sensory system | Pathway Hierarchy | ||
Regulation of actin cytoskeleton | hsa04810 | Affiliated Target |
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Class: Cellular Processes => Cell motility | Pathway Hierarchy | ||
Insulin signaling pathway | hsa04910 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Progesterone-mediated oocyte maturation | hsa04914 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Estrogen signaling pathway | hsa04915 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Prolactin signaling pathway | hsa04917 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Thyroid hormone signaling pathway | hsa04919 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Regulation of lipolysis in adipocytes | hsa04923 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Relaxin signaling pathway | hsa04926 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
GnRH secretion | hsa04929 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Growth hormone synthesis, secretion and action | hsa04935 | Affiliated Target |
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Class: Organismal Systems => Endocrine system | Pathway Hierarchy | ||
Aldosterone-regulated sodium reabsorption | hsa04960 | Affiliated Target |
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Class: Organismal Systems => Excretory system | Pathway Hierarchy | ||
Carbohydrate digestion and absorption | hsa04973 | Affiliated Target |
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Class: Organismal Systems => Digestive system | Pathway Hierarchy | ||
Click to Show/Hide the Information of Affiliated Human Pathways |
Degree | 20 | Degree centrality | 2.15E-03 | Betweenness centrality | 1.98E-04 |
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Closeness centrality | 2.48E-01 | Radiality | 1.43E+01 | Clustering coefficient | 3.37E-01 |
Neighborhood connectivity | 6.39E+01 | Topological coefficient | 1.02E-01 | Eccentricity | 12 |
Download | Click to Download the Full PPI Network of This Target | ||||
Chemical Structure based Activity Landscape of Target | Top |
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Drug Property Profile of Target | Top | |
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(1) Molecular Weight (mw) based Drug Clustering | (2) Octanol/Water Partition Coefficient (xlogp) based Drug Clustering | |
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(3) Hydrogen Bond Donor Count (hbonddonor) based Drug Clustering | (4) Hydrogen Bond Acceptor Count (hbondacc) based Drug Clustering | |
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(5) Rotatable Bond Count (rotbonds) based Drug Clustering | (6) Topological Polar Surface Area (polararea) based Drug Clustering | |
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"RO5" indicates the cutoff set by lipinski's rule of five; "D123AB" colored in GREEN denotes the no violation of any cutoff in lipinski's rule of five; "D123AB" colored in PURPLE refers to the violation of only one cutoff in lipinski's rule of five; "D123AB" colored in BLACK represents the violation of more than one cutoffs in lipinski's rule of five |
Co-Targets | Top | |||||
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Co-Targets |
Target Poor or Non Binders | Top | |||||
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Target Poor or Non Binders |
Target Regulators | Top | |||||
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Target-interacting Proteins |
Target Profiles in Patients | Top | |||||
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Target Expression Profile (TEP) | ||||||
Drug Resistance Mutation (DRM) |
References | Top | |||||
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REF 1 | Targeting the phosphoinositide 3-kinase pathway in cancer. Nat Rev Drug Discov. 2009 Aug;8(8):627-44. | |||||
REF 2 | URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 7878). | |||||
REF 3 | ClinicalTrials.gov (NCT01610284) Phase III Study of BKM120/Placebo With Fulvestrant in Postmenopausal Patients With Hormone Receptor Positive HER2-negative Locally Advanced or Metastatic Breast Cancer Refractory to Aromatase Inhibitor. U.S. National Institutes of Health. | |||||
REF 4 | ClinicalTrials.gov (NCT03740100) Single-arm Study With Bimiralisib in Patients With HNSCC Harboring NOTCH1 Loss of Function Mutations (HNSCC). U.S. National Institutes of Health. | |||||
REF 5 | ClinicalTrials.gov (NCT04495621) MEN1611 With Cetuximab in Metastatic Colorectal Cancer (C-PRECISE-01) (C-PRECISE-01). U.S. National Institutes of Health. | |||||
REF 6 | URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 8527). | |||||
REF 7 | ClinicalTrials.gov (NCT01884285) AZD8186 First Time In Patient Ascending Dose Study. U.S. National Institutes of Health. | |||||
REF 8 | ClinicalTrials.gov (NCT01728311) Open Label Study of BAY1082439 in Patients With Advanced Cancer. U.S. National Institutes of Health. | |||||
REF 9 | URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 7967). | |||||
REF 10 | ClinicalTrials.gov (NCT01458067) A Phase I/IIa, First Time in Human, Study of GSK2636771 in Subjects With Advanced Solid Tumors With Phosphatase and Tensin Homolog (PTEN) Deficiency. U.S. National Institutes of Health. | |||||
REF 11 | URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 8059). | |||||
REF 12 | Human target validation of phosphoinositide 3-kinase (PI3K)beta: effects on platelets and insulin sensitivity, using AZD6482 a novel PI3Kbeta inhibitor. J Thromb Haemost. 2012 Oct;10(10):2127-36. | |||||
REF 13 | URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Target id: 2154). | |||||
REF 14 | The selective class I PI3K inhibitor CH5132799 targets human cancers harboring oncogenic PIK3CA mutations. Clin Cancer Res. 2011 May 15;17(10):3272-81. | |||||
REF 15 | National Cancer Institute Drug Dictionary (drug id 751594). | |||||
REF 16 | Interpreting expression profiles of cancers by genome-wide survey of breadth of expression in normal tissues. Genomics 2005 Aug;86(2):127-41. | |||||
REF 17 | 1-substituted (Dibenzo[b,d]thiophen-4-yl)-2-morpholino-4H-chromen-4-ones endowed with dual DNA-PK/PI3-K inhibitory activity. J Med Chem. 2013 Aug 22;56(16):6386-401. | |||||
REF 18 | Inactivation of PI(3)K p110delta breaks regulatory T-cell-mediated immune tolerance to cancer. Nature. 2014 Jun 19;510(7505):407-11. | |||||
REF 19 | Synthesis and biological evaluation of sulfonylhydrazone-substituted imidazo[1,2-a]pyridines as novel PI3 kinase p110alpha inhibitors. Bioorg Med Chem. 2007 Sep 1;15(17):5837-44. | |||||
REF 20 | Targeted polypharmacology: discovery of dual inhibitors of tyrosine and phosphoinositide kinases. Nat Chem Biol. 2008 Nov;4(11):691-9. | |||||
REF 21 | PI 3-kinase p110beta: a new target for antithrombotic therapy. Nat Med. 2005 May;11(5):507-14. |
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