Target id: 2155
Nomenclature: phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta
Abbreviated Name: PI3Kδ
Family: Phosphatidylinositol-4,5-bisphosphate 3-kinase family, Phosphatidylinositol kinases
Annotation status:
Annotated and awaiting review. Please contact us if you can help with reviewing.
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GtoImmuPdb view: OFF : phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta has curated GtoImmuPdb data
Gene and Protein Information ![]() |
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Species | TM | AA | Chromosomal Location | Gene Symbol | Gene Name | Reference |
Human | - | 1044 | 1p36.2 | PIK3CD | phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta | 47 |
Mouse | - | 1047 | 4 E2 | Pik3cd | phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta | |
Rat | - | 944 | 5q36 | Pik3cd | phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit delta |
Database Links ![]() |
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BRENDA | 2.7.1.153 |
CATH/Gene3D | 1.10.1070.11, 2.60.40.150 |
Ensembl Gene | ENSG00000171608 (Hs), ENSMUSG00000039936 (Mm), ENSRNOG00000016846 (Rn) |
Entrez Gene | 5293 (Hs), 18707 (Mm), 366508 (Rn) |
GenitoUrinary Development Molecular Anatomy Project | Pik3cd (Mm) |
Human Protein Atlas | ENSG00000171608 (Hs) |
KEGG Enzyme | 2.7.1.153 |
KEGG Gene | hsa:5293 (Hs), mmu:18707 (Mm), rno:366508 (Rn) |
OMIM | 602839 (Hs) |
RefSeq Nucleotide | NM_005026 (Hs), NM_001029837 (Mm), NM_001108978 (Rn) |
RefSeq Protein | NP_005017 (Hs), NP_001025008 (Mm), NP_001102448 (Rn) |
UniProtKB | O00329 (Hs), O35904 (Mm) |
Wikipedia | PIK3CD (Hs) |
Selected 3D Structures ![]() |
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Enzyme Reaction ![]() |
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Download all structure-activity data for this target as a CSV file
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DiscoveRx KINOMEscan® screen ![]() |
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A screen of 72 inhibitors against 456 human kinases. Quantitative data were derived using DiscoveRx KINOMEscan® platform. http://www.discoverx.com/services/drug-discovery-development-services/kinase-profiling/kinomescan Reference: 16,49 |
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Target used in screen: PIK3CD | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Displaying the top 10 most potent ligands View all ligands in screen » |
Immunopharmacology Comments |
PI3Kδ is preferentially expressed in cells of hemopoietic lineage and is involved in neutrophil chemotaxis. It is the only PI3K isoform with expression restricted to leukocytes. Genetic and pharmacological inactivation of PI3Kδ indicates its importantance for the function of T cells, B cell, mast cells and neutrophils. PI3kδ is a promising target for drugs for preventing or treating inflammation, autoimmunity and transplant rejection [24], with selective PI3Kδ inhibitors of particular relevance- see for example AMG319 [14], leniolisib [13] and seletalisib [3]. The potential for PI3kδ as target in immuno-oncology is discussed in [1]. |
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Tissue Distribution ![]() |
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Clinically-Relevant Mutations and Pathophysiology ![]() |
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General Comments |
PI3Kδ belongs to the class IA phospho-inositide-3-kinases (PI3Ks). In common with PI3Kα and PI3Kβ, PI3Kδ displays a broad phosphoinositide lipid substrate specificity. It interacts with SH2/SH3 domain-containing p85 adaptor proteins and with GTP-bound Ras. Expression of PI3Kδ is restricted to leukocytes [47], whereas PI3Kα and PI3Kβ are widely expressed. |
1. Adams JL, Smothers J, Srinivasan R, Hoos A. (2015) Big opportunities for small molecules in immuno-oncology. Nat Rev Drug Discov, 14 (9): 603-22. [PMID:26228631]
2. Ali K, Soond DR, Piñeiro R, Hagemann T, Pearce W, Lim EL, Bouabe H, Scudamore CL, Hancox T, Maecker H et al.. (2014) Inactivation of PI(3)K p110δ breaks regulatory T-cell-mediated immune tolerance to cancer. Nature, 510 (7505): 407-11. [PMID:24919154]
3. Allen RA, Brookings DC, Powell MJ, Delgado J, Shuttleworth LK, Merriman M, Fahy IJ, Tewari R, Silva JP, Healy LJ et al.. (2017) Seletalisib: Characterization of a Novel, Potent, and Selective Inhibitor of PI3Kδ. J. Pharmacol. Exp. Ther., 361 (3): 429-440. [PMID:28442583]
4. Apsel B, Blair JA, Gonzalez B, Nazif TM, Feldman ME, Aizenstein B, Hoffman R, Williams RL, Shokat KM, Knight ZA. (2008) Targeted polypharmacology: discovery of dual inhibitors of tyrosine and phosphoinositide kinases. Nat. Chem. Biol., 4 (11): 691-9. [PMID:18849971]
5. Barda DA, Mader MM. (2013) PI3 kinase/mTOR dual inhibitor. Patent number: US8440829 B2. Assignee: Eli Lilly And Company. Priority date: 14/01/2011. Publication date: 14/05/2013.
6. Barlaam B, Cosulich S, Delouvrié B, Ellston R, Fitzek M, Germain H, Green S, Hancox U, Harris CS, Hudson K et al.. (2015) Discovery of 1-(4-(5-(5-amino-6-(5-tert-butyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl)-1-ethyl-1,2,4-triazol-3-yl)piperidin-1-yl)-3-hydroxypropan-1-one (AZD8835): A potent and selective inhibitor of PI3Kα and PI3Kδ for the treatment of cancers. Bioorg. Med. Chem. Lett., 25 (22): 5155-62. [PMID:26475521]
7. Berndt A, Miller S, Williams O, Le DD, Houseman BT, Pacold JI, Gorrec F, Hon WC, Liu Y, Rommel C et al.. (2010) The p110 delta structure: mechanisms for selectivity and potency of new PI(3)K inhibitors. Nat. Chem. Biol., 6 (2): 117-24. [PMID:20081827]
8. Braun M-G, Hanan E, Staben ST, Heald RA, Macleod C, Elliott R. (2017) Benzoxazepin oxazolidinone compounds and methods of use. Patent number: US20170015678. Assignee: Genentech, Inc.. Priority date: 02/07/2015. Publication date: 19/01/2017.
9. Camps M, Rückle T, Ji H, Ardissone V, Rintelen F, Shaw J, Ferrandi C, Chabert C, Gillieron C, Françon B et al.. (2005) Blockade of PI3Kgamma suppresses joint inflammation and damage in mouse models of rheumatoid arthritis. Nat. Med., 11 (9): 936-43. [PMID:16127437]
10. Cano C, Saravanan K, Bailey C, Bardos J, Curtin NJ, Frigerio M, Golding BT, Hardcastle IR, Hummersone MG, Menear KA et al.. (2013) 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., 56 (16): 6386-401. [PMID:23855836]
11. Certal V, Carry JC, Halley F, Virone-Oddos A, Thompson F, Filoche-Rommé B, El-Ahmad Y, Karlsson A, Charrier V, Delorme C et al.. (2014) Discovery and optimization of pyrimidone indoline amide PI3Kβ inhibitors for the treatment of phosphatase and tensin homologue (PTEN)-deficient cancers. J. Med. Chem., 57 (3): 903-20. [PMID:24387221]
12. Certal V, Halley F, Virone-Oddos A, Delorme C, Karlsson A, Rak A, Thompson F, Filoche-Rommé B, El-Ahmad Y, Carry JC et al.. (2012) Discovery and optimization of new benzimidazole- and benzoxazole-pyrimidone selective PI3Kβ inhibitors for the treatment of phosphatase and TENsin homologue (PTEN)-deficient cancers. J. Med. Chem., 55 (10): 4788-805. [PMID:22524426]
13. Cooke NG, Fernandes GDSP, Graveleau N, Hebach C, Hogenauer K, Hollingworth G, Smith AB, Soldermann N, Stowasser F, Strang R et al.. (2012) Tetrahydro-pyrido-pyrimidine derivatives. Patent number: WO2012004299. Assignee: Novartis Ag. Priority date: 06/07/2010. Publication date: 12/01/2012.
14. Cushing TD, Hao X, Shin Y, Andrews K, Brown M, Cardozo M, Chen Y, Duquette J, Fisher B, Gonzalez-Lopez de Turiso F et al.. (2015) Discovery and in vivo evaluation of (S)-N-(1-(7-fluoro-2-(pyridin-2-yl)quinolin-3-yl)ethyl)-9H-purin-6-amine (AMG319) and related PI3Kδ inhibitors for inflammation and autoimmune disease. J. Med. Chem., 58 (1): 480-511. [PMID:25469863]
15. D'Angelo ND, Kim TS, Andrews K, Booker SK, Caenepeel S, Chen K, D'Amico D, Freeman D, Jiang J, Liu L et al.. (2011) Discovery and optimization of a series of benzothiazole phosphoinositide 3-kinase (PI3K)/mammalian target of rapamycin (mTOR) dual inhibitors. J. Med. Chem., 54 (6): 1789-811. [PMID:21332118]
16. Davis MI, Hunt JP, Herrgard S, Ciceri P, Wodicka LM, Pallares G, Hocker M, Treiber DK, Zarrinkar PP. (2011) Comprehensive analysis of kinase inhibitor selectivity. Nat. Biotechnol., 29 (11): 1046-51. [PMID:22037378]
17. Dittmann A, Werner T, Chung CW, Savitski MM, Fälth Savitski M, Grandi P, Hopf C, Lindon M, Neubauer G, Prinjha RK et al.. (2014) The commonly used PI3-kinase probe LY294002 is an inhibitor of BET bromodomains. ACS Chem. Biol., 9 (2): 495-502. [PMID:24533473]
18. Down K, Amour A, Baldwin IR, Cooper AW, Deakin AM, Felton LM, Guntrip SB, Hardy C, Harrison ZA, Jones KL et al.. (2015) Optimization of Novel Indazoles as Highly Potent and Selective Inhibitors of Phosphoinositide 3-Kinase δ for the Treatment of Respiratory Disease. J. Med. Chem., 58 (18): 7381-99. [PMID:26301626]
19. Evans CA, Liu T, Lescarbeau A, Nair SJ, Grenier L, Pradeilles JA, Glenadel Q, Tibbitts T, Rowley AM, DiNitto JP et al.. (2016) Discovery of a Selective Phosphoinositide-3-Kinase (PI3K)-γ Inhibitor (IPI-549) as an Immuno-Oncology Clinical Candidate. ACS Med Chem Lett, 7 (9): 862-7. [PMID:27660692]
20. Folkes AJ, Ahmadi K, Alderton WK, Alix S, Baker SJ, Box G, Chuckowree IS, Clarke PA, Depledge P, Eccles SA et al.. (2008) The identification of 2-(1H-indazol-4-yl)-6-(4-methanesulfonyl-piperazin-1-ylmethyl)-4-morpholin-4-yl-thieno[3,2-d]pyrimidine (GDC-0941) as a potent, selective, orally bioavailable inhibitor of class I PI3 kinase for the treatment of cancer . J. Med. Chem., 51 (18): 5522-32. [PMID:18754654]
21. Fraser C, Carragher NO, Unciti-Broceta A. (2016) eCF309: a potent, selective and cell-permeable mTOR inhibitor. Med. Chem. Commun., 7 (3): 471-477.
22. Furet P, Guagnano V, Fairhurst RA, Imbach-Weese P, Bruce I, Knapp M, Fritsch C, Blasco F, Blanz J, Aichholz R et al.. (2013) Discovery of NVP-BYL719 a potent and selective phosphatidylinositol-3 kinase alpha inhibitor selected for clinical evaluation. Bioorg Med Chem Lett., 23 (13): 3741-8. [PMID:23726034]
23. Hancox U, Cosulich S, Hanson L, Trigwell C, Lenaghan C, Ellston R, Dry H, Crafter C, Barlaam B, Fitzek M et al.. (2015) Inhibition of PI3Kβ signaling with AZD8186 inhibits growth of PTEN-deficient breast and prostate tumors alone and in combination with docetaxel. Mol. Cancer Ther., 14 (1): 48-58. [PMID:25398829]
24. Harris SJ, Foster JG, Ward SG. (2009) PI3K isoforms as drug targets in inflammatory diseases: lessons from pharmacological and genetic strategies. Curr Opin Investig Drugs, 10 (11): 1151-62. [PMID:19876783]
25. Hart S, Novotny-Diermayr V, Goh KC, Williams M, Tan YC, Ong LC, Cheong A, Ng BK, Amalini C, Madan B et al.. (2013) VS-5584, a novel and highly selective PI3K/mTOR kinase inhibitor for the treatment of cancer. Mol. Cancer Ther., 12 (2): 151-61. [PMID:23270925]
26. Hsieh AC, Liu Y, Edlind MP, Ingolia NT, Janes MR, Sher A, Shi EY, Stumpf CR, Christensen C, Bonham MJ et al.. (2012) The translational landscape of mTOR signalling steers cancer initiation and metastasis. Nature, 485 (7396): 55-61. [PMID:22367541]
27. Jackson SP, Schoenwaelder SM, Goncalves I, Nesbitt WS, Yap CL, Wright CE, Kenche V, Anderson KE, Dopheide SM, Yuan Y et al.. (2005) PI 3-kinase p110beta: a new target for antithrombotic therapy. Nat. Med., 11 (5): 507-14. [PMID:15834429]
28. Knight SD, Adams ND, Burgess JL, Chaudhari AM, Darcy MG, Donatelli CA, Luengo JI, Newlander KA, Parrish CA, Ridgers LH et al.. (2010) Discovery of GSK2126458, a Highly Potent Inhibitor of PI3K and the Mammalian Target of Rapamycin. ACS Med Chem Lett, 1 (1): 39-43. [PMID:24900173]
29. Knight ZA, Gonzalez B, Feldman ME, Zunder ER, Goldenberg DD, Williams O, Loewith R, Stokoe D, Balla A, Toth B et al.. (2006) A pharmacological map of the PI3-K family defines a role for p110alpha in insulin signaling. Cell, 125 (4): 733-47. [PMID:16647110]
30. Knight ZA, Shokat KM. (2005) Features of selective kinase inhibitors. Chem. Biol., 12 (6): 621-37. [PMID:15975507]
31. Lannutti BJ, Meadows SA, Herman SE, Kashishian A, Steiner B, Johnson AJ, Byrd JC, Tyner JW, Loriaux MM, Deininger M et al.. (2011) CAL-101, a p110delta selective phosphatidylinositol-3-kinase inhibitor for the treatment of B-cell malignancies, inhibits PI3K signaling and cellular viability. Blood, 117 (2): 591-4. [PMID:20959606]
32. Li Y-L, Metcalf BW, Combs AP. (2011) Pyrimidinones as PI3K inhibitors. Patent number: WO2011008487. Assignee: Incyte Corporation. Priority date: 29/06/2009. Publication date: 20/01/2011.
33. Liu F, Wang J, Yang X, Li B, Wu H, Qi S, Chen C, Liu X, Yu K, Wang W et al.. (2016) Discovery of a Highly Selective STK16 Kinase Inhibitor. ACS Chem. Biol., 11 (6): 1537-43. [PMID:27082499]
34. Liu Q, Wang J, Kang SA, Thoreen CC, Hur W, Ahmed T, Sabatini DM, Gray NS. (2011) Discovery of 9-(6-aminopyridin-3-yl)-1-(3-(trifluoromethyl)phenyl)benzo[h][1,6]naphthyridin-2(1H)-one (Torin2) as a potent, selective, and orally available mammalian target of rapamycin (mTOR) inhibitor for treatment of cancer. J. Med. Chem., 54 (5): 1473-80. [PMID:21322566]
35. Lucas CL, Kuehn HS, Zhao F, Niemela JE, Deenick EK, Palendira U, Avery DT, Moens L, Cannons JL, Biancalana M et al.. (2014) Dominant-activating germline mutations in the gene encoding the PI(3)K catalytic subunit p110δ result in T cell senescence and human immunodeficiency. Nat. Immunol., 15 (1): 88-97. [PMID:24165795]
36. Maira SM, Stauffer F, Brueggen J, Furet P, Schnell C, Fritsch C, Brachmann S, Chène P, De Pover A, Schoemaker K et al.. (2008) Identification and characterization of NVP-BEZ235, a new orally available dual phosphatidylinositol 3-kinase/mammalian target of rapamycin inhibitor with potent in vivo antitumor activity. Mol. Cancer Ther., 7 (7): 1851-63. [PMID:18606717]
37. Ndubaku CO, Heffron TP, Staben ST, Baumgardner M, Blaquiere N, Bradley E, Bull R, Do S, Dotson J, Dudley D et al.. (2013) Discovery of 2-{3-[2-(1-isopropyl-3-methyl-1H-1,2-4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl]-1H-pyrazol-1-yl}-2-methylpropanamide (GDC-0032): a β-sparing phosphoinositide 3-kinase inhibitor with high unbound exposure and robust in vivo antitumor activity. J. Med. Chem., 56 (11): 4597-610. [PMID:23662903]
38. Nylander S, Kull B, Björkman JA, Ulvinge JC, Oakes N, Emanuelsson BM, Andersson M, Skärby T, Inghardt T, Fjellström O et al.. (2012) Human target validation of phosphoinositide 3-kinase (PI3K)β: effects on platelets and insulin sensitivity, using AZD6482 a novel PI3Kβ inhibitor. J. Thromb. Haemost., 10 (10): 2127-36. [PMID:22906130]
39. Ohwada J, Ebiike H, Kawada H, Tsukazaki M, Nakamura M, Miyazaki T, Morikami K, Yoshinari K, Yoshida M, Kondoh O et al.. (2011) Discovery and biological activity of a novel class I PI3K inhibitor, CH5132799. Bioorg. Med. Chem. Lett., 21 (6): 1767-72. [PMID:21316229]
40. Palanki MS, Dneprovskaia E, Doukas J, Fine RM, Hood J, Kang X, Lohse D, Martin M, Noronha G, Soll RM et al.. (2007) Discovery of 3,3'-(2,4-diaminopteridine-6,7-diyl)diphenol as an isozyme-selective inhibitor of PI3K for the treatment of ischemia reperfusion injury associated with myocardial infarction. J. Med. Chem., 50 (18): 4279-94. [PMID:17685602]
41. Qian C, Lai CJ, Bao R, Wang DG, Wang J, Xu GX, Atoyan R, Qu H, Yin L, Samson M et al.. (2012) Cancer network disruption by a single molecule inhibitor targeting both histone deacetylase activity and phosphatidylinositol 3-kinase signaling. Clin. Cancer Res., 18 (15): 4104-13. [PMID:22693356]
42. Raynaud FI, Eccles SA, Patel S, Alix S, Box G, Chuckowree I, Folkes A, Gowan S, De Haven Brandon A, Di Stefano F et al.. (2009) Biological properties of potent inhibitors of class I phosphatidylinositide 3-kinases: from PI-103 through PI-540, PI-620 to the oral agent GDC-0941. Mol. Cancer Ther., 8 (7): 1725-38. [PMID:19584227]
43. Ren P, Liu Y, Li L, Chan K, Wilson TE, Campbell SF. (2013) Heterocyclic compounds and uses thereof. Patent number: US20130035324 A1. Assignee: Ren P, Liu Y, Li L, Chan K, Wilson TE, Campbell SF.. Priority date: 17/08/2009. Publication date: 07/02/2013.
44. Sadhu C, Masinovsky B, Dick K, Sowell CG, Staunton DE. (2003) Essential role of phosphoinositide 3-kinase delta in neutrophil directional movement. J. Immunol., 170 (5): 2647-54. [PMID:12594293]
45. Sutherlin DP, Bao L, Berry M, Castanedo G, Chuckowree I, Dotson J, Folks A, Friedman L, Goldsmith R, Gunzner J et al.. (2011) Discovery of a potent, selective, and orally available class I phosphatidylinositol 3-kinase (PI3K)/mammalian target of rapamycin (mTOR) kinase inhibitor (GDC-0980) for the treatment of cancer. J. Med. Chem., 54 (21): 7579-87. [PMID:21981714]
46. Vakkalanka SKVS, Muthuppalaniappan M, Nagarathnam D. (2014) Novel selective pi3k delta inhibitors. Patent number: US20140011819 A1. Assignee: Rhizen Pharmaceuticals Sa.. Priority date: 04/07/2012. Publication date: 09/01/2014.
47. Vanhaesebroeck B, Welham MJ, Kotani K, Stein R, Warne PH, Zvelebil MJ, Higashi K, Volinia S, Downward J, Waterfield MD. (1997) P110delta, a novel phosphoinositide 3-kinase in leukocytes. Proc. Natl. Acad. Sci. U.S.A., 94 (9): 4330-5. [PMID:9113989]
48. Winkler DG, Faia KL, DiNitto JP, Ali JA, White KF, Brophy EE, Pink MM, Proctor JL, Lussier J, Martin CM et al.. (2013) PI3K-δ and PI3K-γ inhibition by IPI-145 abrogates immune responses and suppresses activity in autoimmune and inflammatory disease models. Chem. Biol., 20 (11): 1364-74. [PMID:24211136]
49. Wodicka LM, Ciceri P, Davis MI, Hunt JP, Floyd M, Salerno S, Hua XH, Ford JM, Armstrong RC, Zarrinkar PP et al.. (2010) Activation state-dependent binding of small molecule kinase inhibitors: structural insights from biochemistry. Chem. Biol., 17 (11): 1241-9. [PMID:21095574]
50. Wu P, Hu Y. (2012) Small molecules targeting phosphoinositide 3-kinases. Med. Chem. Commun., 3 (11): 1337-1355.
51. Yaguchi S, Fukui Y, Koshimizu I, Yoshimi H, Matsuno T, Gouda H, Hirono S, Yamazaki K, Yamori T. (2006) Antitumor activity of ZSTK474, a new phosphatidylinositol 3-kinase inhibitor. J. Natl. Cancer Inst., 98 (8): 545-56. [PMID:16622124]
Phosphatidylinositol kinases: phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta. Last modified on 08/02/2018. Accessed on 23/04/2018. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2155.