5GJI
 
 | | PI3K p85 N-terminal SH2 domain/CD28-derived peptide complex | | Descriptor: | GLYCEROL, Phosphatidylinositol 3-kinase regulatory subunit alpha, SULFATE ION, ... | | Authors: | Inaba, S, Numoto, N, Morii, H, Ogawa, S, Ikura, T, Abe, R, Ito, N, Oda, M. | | Deposit date: | 2016-06-30 | | Release date: | 2016-12-14 | | Last modified: | 2017-05-10 | | Method: | X-RAY DIFFRACTION (0.9 Å) | | Cite: | Crystal Structures and Thermodynamic Analysis Reveal Distinct Mechanisms of CD28 Phosphopeptide Binding to the Src Homology 2 (SH2) Domains of Three Adaptor Proteins
J. Biol. Chem., 292, 2017
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7CIO
 | | Molecular interactions of cytoplasmic region of CTLA-4 with SH2 domains of PI3-kinase | | Descriptor: | Cytotoxic T-lymphocyte protein 4, Phosphatidylinositol 3-kinase regulatory subunit alpha | | Authors: | Iiyama, M, Numoto, N, Ogawa, S, Kuroda, M, Morii, H, Abe, R, Ito, N, Oda, M. | | Deposit date: | 2020-07-08 | | Release date: | 2020-12-09 | | Last modified: | 2023-11-29 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Molecular interactions of the CTLA-4 cytoplasmic region with the phosphoinositide 3-kinase SH2 domains.
Mol.Immunol., 131, 2021
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5AUL
 | | PI3K p85 C-terminal SH2 domain/CD28-derived peptide complex | | Descriptor: | GLYCEROL, Phosphatidylinositol 3-kinase regulatory subunit alpha, T-cell-specific surface glycoprotein CD28 | | Authors: | Inaba, S, Numoto, N, Morii, H, Ikura, T, Oda, M, Ito, N. | | Deposit date: | 2015-04-28 | | Release date: | 2016-05-25 | | Last modified: | 2023-11-15 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Crystal Structures and Thermodynamic Analysis Reveal Distinct Mechanisms of CD28 Phosphopeptide Binding to the Src Homology 2 (SH2) Domains of Three Adaptor Proteins
J. Biol. Chem., 292, 2017
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7RNS
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3I5R
 | | PI3K SH3 domain in complex with a peptide ligand | | Descriptor: | Peptide ligand, Phosphatidylinositol 3-kinase regulatory subunit alpha | | Authors: | Batra-Safferling, R, Granzin, J, Modder, S, Hoffmann, S, Willbold, D. | | Deposit date: | 2009-07-06 | | Release date: | 2010-03-02 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Structural studies of the phosphatidylinositol 3-kinase (PI3K) SH3 domain in complex with a peptide ligand: role of the anchor residue in ligand binding.
Biol.Chem., 391, 2010
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1H9O
 | | PHOSPHATIDYLINOSITOL 3-KINASE, P85-ALPHA SUBUNIT: C-TERMINAL SH2 DOMAIN COMPLEXED WITH A TYR751 PHOSPHOPEPTIDE FROM THE PDGF RECEPTOR, CRYSTAL STRUCTURE AT 1.79 A | | Descriptor: | BETA-PLATELET-DERIVED GROWTH FACTOR RECEPTOR, PHOSPHATIDYLINOSITOL 3-KINASE | | Authors: | Pauptit, R.A, Rowsell, S, Breeze, A.L, Murshudov, G.N, Dennis, C.A, Derbyshire, D.J, Weston, S.A. | | Deposit date: | 2001-03-14 | | Release date: | 2001-03-19 | | Last modified: | 2023-12-13 | | Method: | X-RAY DIFFRACTION (1.79 Å) | | Cite: | NMR Trial Models: Experiences with the Colicin Immunity Protein Im7 and the P85Alpha C-Terminal Sh2-Peptide Complex
Acta Crystallogr.,Sect.D, 57, 2001
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2IUG
 | | Crystal structure of the PI3-kinase p85 N-terminal SH2 domain | | Descriptor: | PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY ALPHA SUBUNIT | | Authors: | Nolte, R.T, Eck, M.J, Schlessinger, J, Shoelson, S.E, Harrison, S.C. | | Deposit date: | 2006-06-03 | | Release date: | 2006-06-06 | | Last modified: | 2024-05-08 | | Method: | X-RAY DIFFRACTION (1.89 Å) | | Cite: | Crystal Structure of the Pi 3-Kinase P85 Amino-Terminal Sh2 Domain and its Phosphopeptide Complexes
Nat.Struct.Biol., 3, 1996
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1PBW
 | | STRUCTURE OF BCR-HOMOLOGY (BH) DOMAIN | | Descriptor: | PHOSPHATIDYLINOSITOL 3-KINASE | | Authors: | Musacchio, A, Cantley, L.C, Harrison, S.C. | | Deposit date: | 1996-10-17 | | Release date: | 1997-03-12 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Crystal structure of the breakpoint cluster region-homology domain from phosphoinositide 3-kinase p85 alpha subunit.
Proc.Natl.Acad.Sci.USA, 93, 1996
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1PHT
 | | PHOSPHATIDYLINOSITOL 3-KINASE P85-ALPHA SUBUNIT SH3 DOMAIN, RESIDUES 1-85 | | Descriptor: | PHOSPHATIDYLINOSITOL 3-KINASE P85-ALPHA SUBUNIT | | Authors: | Liang, J, Chen, J.K, Schreiber, S.L, Clardy, J. | | Deposit date: | 1995-08-17 | | Release date: | 1995-12-07 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Crystal structure of P13K SH3 domain at 20 angstroms resolution.
J.Mol.Biol., 257, 1996
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2IUH
 | | Crystal structure of the PI3-kinase p85 N-terminal SH2 domain in complex with c-Kit phosphotyrosyl peptide | | Descriptor: | C-KIT PHOSPHOTYROSYL PEPTIDE, PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY ALPHA SUBUNIT | | Authors: | Nolte, R.T, Eck, M.J, Schlessinger, J, Shoelson, S.E, Harrison, S.C. | | Deposit date: | 2006-06-03 | | Release date: | 2006-06-06 | | Last modified: | 2021-04-28 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Crystal Structure of the Pi 3-Kinase P85 Amino-Terminal Sh2 Domain and its Phosphopeptide Complexes
Nat.Struct.Biol., 3, 1996
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4JPS
 | | Co-crystal Structures of the Lipid Kinase PI3K alpha with Pan and Isoform Selective Inhibitors | | Descriptor: | (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform, ... | | Authors: | Knapp, M.S, Elling, R.A. | | Deposit date: | 2013-03-19 | | Release date: | 2014-04-02 | | Last modified: | 2024-05-22 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Discovery of NVP-BYL719 a potent and selective phosphatidylinositol-3 kinase alpha inhibitor selected for clinical evaluation.
Bioorg.Med.Chem.Lett., 23, 2013
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7PG5
 | | Crystal Structure of PI3Kalpha | | Descriptor: | GLYCEROL, PHOSPHATE ION, Phosphatidylinositol 3-kinase regulatory subunit alpha, ... | | Authors: | Gong, G, Pinotsis, N, Williams, R.L, Vanhaesebroeck, B. | | Deposit date: | 2021-08-13 | | Release date: | 2022-08-24 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.20029068 Å) | | Cite: | A small-molecule PI3K alpha activator for cardioprotection and neuroregeneration.
Nature, 618, 2023
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6PYR
 | | Human PI3Kdelta in complex with Compound 2-10 ((3S)-3-benzyl-3-methyl-5-[5-(2-methylpyrimidin-5-yl)pyrazolo[1,5-a]pyrimidin-3-yl]-1,3-dihydro-2H-indol-2-one) | | Descriptor: | (3S)-3-benzyl-3-methyl-5-[5-(2-methylpyrimidin-5-yl)pyrazolo[1,5-a]pyrimidin-3-yl]-1,3-dihydro-2H-indol-2-one, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform | | Authors: | Lesburg, C.A, Augustin, M.A. | | Deposit date: | 2019-07-30 | | Release date: | 2019-08-28 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (2.21 Å) | | Cite: | Design of selective PI3K delta inhibitors using an iterative scaffold-hopping workflow.
Bioorg.Med.Chem.Lett., 29, 2019
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8SBC
 | | Co-structure of Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform and brain penetrant inhibitors | | Descriptor: | (2M)-7-[(3R)-3-methylmorpholin-4-yl]-5-[(3S)-3-methylmorpholin-4-yl]-2-(pyridin-2-yl)-1H-imidazo[4,5-b]pyridine, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform, ... | | Authors: | Knapp, M.S, Elling, R.A, Tang, J. | | Deposit date: | 2023-04-03 | | Release date: | 2023-07-19 | | Last modified: | 2024-05-22 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Identification of Brain-Penetrant ATP-Competitive mTOR Inhibitors for CNS Syndromes.
J.Med.Chem., 66, 2023
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4WAF
 | | Crystal Structure of a novel tetrahydropyrazolo[1,5-a]pyrazine in an engineered PI3K alpha | | Descriptor: | N,N-dimethyl-4-[(6R)-6-methyl-5-(1H-pyrrolo[2,3-b]pyridin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-3-yl]benzenesulfonamide, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform | | Authors: | Knapp, M.S, Elling, R.A. | | Deposit date: | 2014-08-29 | | Release date: | 2014-12-31 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (2.39 Å) | | Cite: | Structure-Based Drug Design of Novel Potent and Selective Tetrahydropyrazolo[1,5-a]pyrazines as ATR Inhibitors.
Acs Med.Chem.Lett., 6, 2015
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2IUI
 | | Crystal structure of the PI3-kinase p85 N-terminal SH2 domain in complex with PDGFR phosphotyrosyl peptide | | Descriptor: | Phosphatidylinositol 3-kinase regulatory subunit alpha, Platelet-derived growth factor receptor beta | | Authors: | Nolte, R.T, Eck, M.J, Schlessinger, J, Shoelson, S.E, Harrison, S.C. | | Deposit date: | 2006-06-03 | | Release date: | 2006-06-06 | | Last modified: | 2021-04-28 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | Crystal Structure of the Pi 3-Kinase P85 Amino- Terminal Sh2 Domain and its Phosphopeptide Complexes
Nat.Struct.Biol., 3, 1996
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2V1Y
 | | Structure of a phosphoinositide 3-kinase alpha adaptor-binding domain (ABD) in a complex with the iSH2 domain from p85 alpha | | Descriptor: | PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA, PHOSPHATIDYLINOSITOL-4,5-BISPHOSPHATE 3-KINASE CATALYTIC SUBUNIT ALPHA ISOFORM | | Authors: | Miled, N, Yan, Y, Hon, W.C, Perisic, O, Zvelebil, M, Inbar, Y, Schneidman-Duhovny, D, Wolfson, H.J, Backer, J.M, Williams, R.L. | | Deposit date: | 2007-05-30 | | Release date: | 2007-07-24 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | Mechanism of Two Classes of Cancer Mutations in the Phosphoinositide 3-Kinase Catalytic Subunit.
Science, 317, 2007
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8DCP
 | | PI 3-kinase alpha with nanobody 3-126 | | Descriptor: | Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform | | Authors: | Hart, J.R, Liu, X, Pan, C, Liang, A, Ueno, L, Xu, Y, Quezada, A, Zou, X, Yang, S, Zhou, Q, Schoonooghe, S, Hassanzadeh-Ghassabeh, G, Xia, T, Shui, W, Yang, D, Vogt, P.K, Wang, M.-W. | | Deposit date: | 2022-06-17 | | Release date: | 2022-09-21 | | Last modified: | 2024-06-12 | | Method: | ELECTRON MICROSCOPY (2.41 Å) | | Cite: | Nanobodies and chemical cross-links advance the structural and functional analysis of PI3K alpha.
Proc.Natl.Acad.Sci.USA, 119, 2022
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7TZ7
 | | PI3K alpha in complex with an inhibitor | | Descriptor: | (4S,5R)-3-[2'-amino-2-(morpholin-4-yl)-4'-(trifluoromethyl)[4,5'-bipyrimidin]-6-yl]-4-(hydroxymethyl)-5-methyl-1,3-oxazolidin-2-one, Isoform 3 of Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform | | Authors: | Knapp, M.S, Tang, J. | | Deposit date: | 2022-02-15 | | Release date: | 2022-05-18 | | Last modified: | 2023-10-18 | | Method: | X-RAY DIFFRACTION (2.41 Å) | | Cite: | Identification of NVP-CLR457 as an Orally Bioavailable Non-CNS-Penetrant pan-Class IA Phosphoinositol-3-Kinase Inhibitor.
J.Med.Chem., 65, 2022
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7PG6
 | | Crystal Structure of PI3Kalpha in complex with the inhibitor NVP-BYL719 | | Descriptor: | (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform, ... | | Authors: | Gong, G, Pinotsis, N, Williams, R.L, Vanhaesebroeck, B. | | Deposit date: | 2021-08-13 | | Release date: | 2022-08-24 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.49943733 Å) | | Cite: | A small-molecule PI3K alpha activator for cardioprotection and neuroregeneration.
Nature, 618, 2023
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5FI4
 | | Discovery of imidazo[1,2-a]-pyridine inhibitors of pan-PI3 kinases that are efficacious in a mouse xenograft model | | Descriptor: | GLYCEROL, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform, ... | | Authors: | Elling, R.A, Knapp, M.S, Han, W, Daniel, L.M, Xy, Y, Burger, M.T, Ni, Z, Smith, A, Lan, J, Williams, T, Verhagen, J, Huh, K, Merritt, H, Chan, J, Kaufman, S, Voliva, C.F, Pecchi, S. | | Deposit date: | 2015-12-22 | | Release date: | 2016-02-03 | | Last modified: | 2024-03-06 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Discovery of imidazo[1,2-a]-pyridine inhibitors of pan-PI3 kinases that are efficacious in a mouse xenograft model.
Bioorg.Med.Chem.Lett., 26, 2016
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5UK8
 | | The co-structure of (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-3-methylmorpholine and a rationally designed PI3K-alpha mutant that mimics ATR | | Descriptor: | (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-3-methylmorpholine, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform | | Authors: | Knapp, M.S, Mamo, M, Elling, R.A. | | Deposit date: | 2017-01-20 | | Release date: | 2017-06-14 | | Last modified: | 2024-04-03 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Rationally Designed PI3K alpha Mutants to Mimic ATR and Their Use to Understand Binding Specificity of ATR Inhibitors.
J. Mol. Biol., 429, 2017
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4L23
 | | Crystal Structure of p110alpha complexed with niSH2 of p85alpha and PI-103 | | Descriptor: | 3-(4-MORPHOLIN-4-YLPYRIDO[3',2':4,5]FURO[3,2-D]PYRIMIDIN-2-YL)PHENOL, GLYCEROL, Phosphatidylinositol 3-kinase regulatory subunit alpha, ... | | Authors: | Zhang, J, Zhao, Y.L, Chen, Y.Y, Huang, M, Jiang, F. | | Deposit date: | 2013-06-04 | | Release date: | 2014-01-01 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (2.501 Å) | | Cite: | Crystal Structures of PI3K alpha Complexed with PI103 and Its Derivatives: New Directions for Inhibitors Design.
ACS Med Chem Lett, 5, 2014
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8TSA
 | | Human PI3K p85alpha/p110alpha H1047R bound to compound 2 | | Descriptor: | 5-(3-bromo-5-fluorobenzamido)-N-methyl-6-(2-methylanilino)pyridine-3-carboxamide, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform | | Authors: | Holliday, M, Tang, Y, Bulku, A, Wilbur, J, Fraser, J, Valverde, R. | | Deposit date: | 2023-08-11 | | Release date: | 2023-11-22 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (2.51 Å) | | Cite: | Discovery and Clinical Proof-of-Concept of RLY-2608, a First-in-Class Mutant-Selective Allosteric PI3K alpha Inhibitor That Decouples Antitumor Activity from Hyperinsulinemia.
Cancer Discov, 14, 2024
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6PYU
 | | Human PI3Kdelta in complex with Compound 4-2 ((3S)-1'-(cyclopropanecarbonyl)-5-(quinoxalin-6-yl)spiro[indole-3,2'-pyrrolidin]-2(1H)-one) | | Descriptor: | (3S)-1'-(cyclopropanecarbonyl)-5-(quinoxalin-6-yl)spiro[indole-3,2'-pyrrolidin]-2(1H)-one, Phosphatidylinositol 3-kinase regulatory subunit alpha, Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform | | Authors: | Lesburg, C.A, Augustin, M.A. | | Deposit date: | 2019-07-30 | | Release date: | 2019-08-28 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (2.54 Å) | | Cite: | Design of selective PI3K delta inhibitors using an iterative scaffold-hopping workflow.
Bioorg.Med.Chem.Lett., 29, 2019
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