6Q6Z
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3FWQ
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![BU of 3fwq by Molmil](/molmil-images/mine/3fwq) | Inactive conformation of human protein kinase CK2 catalytic subunit | Descriptor: | CHLORIDE ION, Casein kinase II subunit alpha, GLYCEROL, ... | Authors: | Niefind, K, Raaf, J, Issinger, O.G. | Deposit date: | 2009-01-19 | Release date: | 2009-02-17 | Last modified: | 2023-11-01 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | First inactive conformation of CK2 alpha, the catalytic subunit of protein kinase CK2 J.Mol.Biol., 386, 2009
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2PVR
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![BU of 2pvr by Molmil](/molmil-images/mine/2pvr) | Crystal structure of the catalytic subunit of protein kinase CK2 (C-terminal deletion mutant 1-335) in complex with two sulfate ions | Descriptor: | Casein kinase II subunit alpha, catalytic subunit, PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER, ... | Authors: | Niefind, K, Yde, C.W, Ermakova, I, Issinger, O.-G. | Deposit date: | 2007-05-10 | Release date: | 2007-06-26 | Last modified: | 2023-08-30 | Method: | X-RAY DIFFRACTION (1.605 Å) | Cite: | Evolved to Be Active: Sulfate Ions Define Substrate Recognition Sites of CK2alpha and Emphasise its Exceptional Role within the CMGC Family of Eukaryotic Protein Kinases J.Mol.Biol., 370, 2007
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3U87
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![BU of 3u87 by Molmil](/molmil-images/mine/3u87) | Structure of a chimeric construct of human CK2alpha and human CK2alpha' in complex with a non-hydrolysable ATP-analogue | Descriptor: | CHLORIDE ION, Casein kinase II subunit alpha, GLYCEROL, ... | Authors: | Niefind, K, Raaf, J, Issinger, O.-G, Olsen, B. | Deposit date: | 2011-10-16 | Release date: | 2012-05-30 | Last modified: | 2023-09-13 | Method: | X-RAY DIFFRACTION (2.9 Å) | Cite: | Low-density crystal packing of human protein kinase CK2 catalytic subunit in complex with resorufin or other ligands: a tool to study the unique hinge-region plasticity of the enzyme without packing bias. Acta Crystallogr.,Sect.D, 68, 2012
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3JUH
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1LP4
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![BU of 1lp4 by Molmil](/molmil-images/mine/1lp4) | Crystal structure of a binary complex of the catalytic subunit of protein kinase CK2 with Mg-AMPPNP | Descriptor: | MAGNESIUM ION, PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER, Protein kinase CK2 | Authors: | Niefind, K, Puetter, M, Guerra, B, Issinger, O.-G, Schomburg, D. | Deposit date: | 2002-05-07 | Release date: | 2002-05-29 | Last modified: | 2024-03-13 | Method: | X-RAY DIFFRACTION (1.86 Å) | Cite: | Inclining the purine base binding plane in protein kinase CK2 by exchanging the flanking side-chains generates a preference for ATP as a cosubstrate. J.Mol.Biol., 347, 2005
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7A1B
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![BU of 7a1b by Molmil](/molmil-images/mine/7a1b) | Crystal structure of human protein kinase CK2alpha' (CSNK2A2 gene product) in complex with the ATP-competitive inhibitor 5,6-dibromo-1H-triazolo[4,5-b]pyridine | Descriptor: | 1,2-ETHANEDIOL, 5,6-dibromo-1H-triazolo[4,5-b]pyridine, CHLORIDE ION, ... | Authors: | Niefind, K, Lindenblatt, D, Toelzer, C, Bretner, M, Chojnacki, K, Wielechowska, M, Winska, P. | Deposit date: | 2020-08-12 | Release date: | 2020-12-09 | Last modified: | 2024-05-15 | Method: | X-RAY DIFFRACTION (1.287 Å) | Cite: | Synthesis, biological properties and structural study of new halogenated azolo[4,5-b]pyridines as inhibitors of CK2 kinase. Bioorg.Chem., 106, 2021
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7A22
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![BU of 7a22 by Molmil](/molmil-images/mine/7a22) | Crystal structure of human protein kinase CK2alpha' (CSNK2A2 gene product) in complex with the ATP-competitive inhibitor 5,6,7-tribromo-1H-triazolo[4,5-b]pyridine | Descriptor: | 1,2-ETHANEDIOL, 5,6,7-tris(bromanyl)-1~{H}-[1,2,3]triazolo[4,5-b]pyridine, Casein kinase II subunit alpha' | Authors: | Niefind, K, Lindenblatt, D, Toelzer, C, Bretner, M, Chojnacki, K, Wielechowska, M, Winska, P. | Deposit date: | 2020-08-15 | Release date: | 2020-12-09 | Last modified: | 2024-05-15 | Method: | X-RAY DIFFRACTION (1.01 Å) | Cite: | Synthesis, biological properties and structural study of new halogenated azolo[4,5-b]pyridines as inhibitors of CK2 kinase. Bioorg.Chem., 106, 2021
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7A4B
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![BU of 7a4b by Molmil](/molmil-images/mine/7a4b) | Crystal structure of human protein kinase CK2alpha (CSNK2A1 gene product) in complex with the ATP-competitive inhibitor 5,6-dibromo-1H-triazolo[4,5-b]pyridine | Descriptor: | 5,6-dibromo-1H-triazolo[4,5-b]pyridine, Casein kinase II subunit alpha, GLYCEROL, ... | Authors: | Niefind, K, Lindenblatt, D, Toelzer, C, Bretner, M, Chojnacki, K, Wielechowska, M, Winska, P. | Deposit date: | 2020-08-19 | Release date: | 2020-12-09 | Last modified: | 2024-01-31 | Method: | X-RAY DIFFRACTION (2.06 Å) | Cite: | Synthesis, biological properties and structural study of new halogenated azolo[4,5-b]pyridines as inhibitors of CK2 kinase. Bioorg.Chem., 106, 2021
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7A4C
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![BU of 7a4c by Molmil](/molmil-images/mine/7a4c) | Crystal structure of human protein kinase CK2alpha (CSNK2A1 gene product) in complex with the ATP-competitive inhibitor 5,6,7-tribromo-1H-triazolo[4,5-b]pyridine | Descriptor: | 5,6,7-tris(bromanyl)-1~{H}-[1,2,3]triazolo[4,5-b]pyridine, Casein kinase II subunit alpha, GLYCEROL, ... | Authors: | Niefind, K, Lindenblatt, D, Toelzer, C, Bretner, M, Chojnacki, K, Wielechowska, M, Winska, P. | Deposit date: | 2020-08-19 | Release date: | 2020-12-09 | Last modified: | 2024-01-31 | Method: | X-RAY DIFFRACTION (2.502 Å) | Cite: | Synthesis, biological properties and structural study of new halogenated azolo[4,5-b]pyridines as inhibitors of CK2 kinase. Bioorg.Chem., 106, 2021
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1LPU
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![BU of 1lpu by Molmil](/molmil-images/mine/1lpu) | Low Temperature Crystal Structure of the Apo-form of the catalytic subunit of protein kinase CK2 from Zea mays | Descriptor: | BENZAMIDINE, Protein kinase CK2 | Authors: | Niefind, K, Puetter, M, Guerra, B, Issinger, O.-G, Schomburg, D. | Deposit date: | 2002-05-08 | Release date: | 2002-05-29 | Last modified: | 2023-10-25 | Method: | X-RAY DIFFRACTION (1.86 Å) | Cite: | Inclining the purine base binding plane in protein kinase CK2 by exchanging the flanking side-chains generates a preference for ATP as a cosubstrate. J.Mol.Biol., 347, 2005
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7A49
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![BU of 7a49 by Molmil](/molmil-images/mine/7a49) | Crystal structure of human protein kinase CK2alpha (CSNK2A1 gene product) in complex with the ATP-competitive inhibitor 6-bromo-5-chloro-1H-triazolo[4,5-b]pyridine | Descriptor: | 6-bromanyl-5-chloranyl-1~{H}-[1,2,3]triazolo[4,5-b]pyridine, Casein kinase II subunit alpha, SULFATE ION | Authors: | Niefind, K, Lindenblatt, D, Toelzer, C, Bretner, M, Chojnacki, K, Wielechowska, M, Winska, P. | Deposit date: | 2020-08-19 | Release date: | 2020-12-09 | Last modified: | 2024-01-31 | Method: | X-RAY DIFFRACTION (2.03 Å) | Cite: | Synthesis, biological properties and structural study of new halogenated azolo[4,5-b]pyridines as inhibitors of CK2 kinase. Bioorg.Chem., 106, 2021
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1LR4
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![BU of 1lr4 by Molmil](/molmil-images/mine/1lr4) | Room Temperature Crystal Structure of the Apo-form of the catalytic subunit of protein kinase CK2 from Zea mays | Descriptor: | BENZAMIDINE, Protein kinase CK2 | Authors: | Niefind, K, Puetter, M, Guerra, B, Issinger, O.-G, Schomburg, D. | Deposit date: | 2002-05-14 | Release date: | 2002-05-29 | Last modified: | 2023-10-25 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Inclining the purine base binding plane in protein kinase CK2 by exchanging the flanking side-chains generates a preference for ATP as a cosubstrate. J.Mol.Biol., 347, 2005
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3H30
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![BU of 3h30 by Molmil](/molmil-images/mine/3h30) | Crystal structure of the catalytic subunit of human protein kinase CK2 with 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole | Descriptor: | 5,6-dichloro-1-beta-D-ribofuranosyl-1H-benzimidazole, CHLORIDE ION, Casein kinase II subunit alpha | Authors: | Niefind, K, Raaf, J, Issinger, O.-G. | Deposit date: | 2009-04-15 | Release date: | 2009-05-12 | Last modified: | 2024-03-20 | Method: | X-RAY DIFFRACTION (1.56 Å) | Cite: | The CK2alpha/CK2beta Interface of Human Protein Kinase CK2 Harbors a Binding Pocket for Small Molecules Chem.Biol., 15, 2008
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7A2H
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![BU of 7a2h by Molmil](/molmil-images/mine/7a2h) | Crystal structure of human protein kinase CK2alpha' (CSNK2A2 gene product) in complex with the ATP-competitive inhibitor 5,6,7-tribromo-1H-imidazo[4,5-b]pyridine | Descriptor: | 1,2-ETHANEDIOL, 5,6,7-tris(bromanyl)-1~{H}-imidazo[4,5-b]pyridine, Casein kinase II subunit alpha' | Authors: | Niefind, K, Lindenblatt, D, Toelzer, C, Bretner, M, Chojnacki, K, Wielechowska, M, Winska, P. | Deposit date: | 2020-08-18 | Release date: | 2020-12-09 | Last modified: | 2024-05-15 | Method: | X-RAY DIFFRACTION (1.01 Å) | Cite: | Synthesis, biological properties and structural study of new halogenated azolo[4,5-b]pyridines as inhibitors of CK2 kinase. Bioorg.Chem., 106, 2021
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5OWL
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![BU of 5owl by Molmil](/molmil-images/mine/5owl) | Low salt structure of human protein kinase CK2alpha in complex with 3-aminopropyl-4,5,6,7-tetrabromobenzimidazol | Descriptor: | 3-[4,5,6,7-tetrakis(bromanyl)benzimidazol-1-yl]propan-1-amine, Casein kinase II subunit alpha, GLYCEROL, ... | Authors: | Niefind, K, Bretner, M, Chojnacki, C. | Deposit date: | 2017-09-01 | Release date: | 2018-07-25 | Last modified: | 2024-01-17 | Method: | X-RAY DIFFRACTION (2.23 Å) | Cite: | Biological properties and structural study of new aminoalkyl derivatives of benzimidazole and benzotriazole, dual inhibitors of CK2 and PIM1 kinases. Bioorg. Chem., 80, 2018
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4UB7
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![BU of 4ub7 by Molmil](/molmil-images/mine/4ub7) | High-salt structure of protein kinase CK2 catalytic subunit with 4'-carboxy-6,8-bromo-flavonol (FLC26) showing an extreme distortion of the ATP-binding loop combined with a pi-halogen bond | Descriptor: | 4-(6,8-dibromo-3-hydroxy-4-oxo-4H-chromen-2-yl)benzoic acid, CHLORIDE ION, Casein kinase II subunit alpha | Authors: | Niefind, K, Bischoff, N, Guerra, B, Golub, A, Issinger, O.-G. | Deposit date: | 2014-08-12 | Release date: | 2015-07-01 | Last modified: | 2024-05-08 | Method: | X-RAY DIFFRACTION (2.1 Å) | Cite: | A Note of Caution on the Role of Halogen Bonds for Protein Kinase/Inhibitor Recognition Suggested by High- And Low-Salt CK2 alpha Complex Structures. Acs Chem.Biol., 10, 2015
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5OWH
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![BU of 5owh by Molmil](/molmil-images/mine/5owh) | High salt structure of human protein kinase CK2alpha in complex with 3-aminopropyl-4,5,6,7-tetrabromobenzimidazol | Descriptor: | 3-[4,5,6,7-tetrakis(bromanyl)benzimidazol-1-yl]propan-1-amine, CHLORIDE ION, Casein kinase II subunit alpha | Authors: | Niefind, K, Bretner, M, Chojnacki, C. | Deposit date: | 2017-09-01 | Release date: | 2018-07-25 | Last modified: | 2024-01-17 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | Biological properties and structural study of new aminoalkyl derivatives of benzimidazole and benzotriazole, dual inhibitors of CK2 and PIM1 kinases. Bioorg. Chem., 80, 2018
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4UBA
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![BU of 4uba by Molmil](/molmil-images/mine/4uba) | Low-salt structure of protein kinase CK2 catalytic subunit with 4'-carboxy-6,8-bromo-flavonol (FLC26) | Descriptor: | 4-(6,8-dibromo-3-hydroxy-4-oxo-4H-chromen-2-yl)benzoic acid, Casein kinase II subunit alpha | Authors: | Niefind, K, Bischoff, N, Guerra, B, Golub, A, Issinger, O.-G. | Deposit date: | 2014-08-12 | Release date: | 2015-07-01 | Last modified: | 2024-05-08 | Method: | X-RAY DIFFRACTION (2.995 Å) | Cite: | A Note of Caution on the Role of Halogen Bonds for Protein Kinase/Inhibitor Recognition Suggested by High- And Low-Salt CK2 alpha Complex Structures. Acs Chem.Biol., 10, 2015
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6SPW
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![BU of 6spw by Molmil](/molmil-images/mine/6spw) | Structure of protein kinase CK2 catalytic subunit with the CK2beta-competitive bisubstrate inhibitor ARC3140 | Descriptor: | 8-[4,5,6,7-tetrakis(iodanyl)benzimidazol-1-yl]octanoic acid, ARC3140, Casein kinase II subunit alpha, ... | Authors: | Niefind, K, Schnitzler, A. | Deposit date: | 2019-09-03 | Release date: | 2020-01-29 | Last modified: | 2024-01-24 | Method: | X-RAY DIFFRACTION (1.599 Å) | Cite: | Unexpected CK2 beta-antagonistic functionality of bisubstrate inhibitors targeting protein kinase CK2. Bioorg.Chem., 96, 2020
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6SPX
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![BU of 6spx by Molmil](/molmil-images/mine/6spx) | Structure of protein kinase CK2 catalytic subunit in complex with the CK2beta-competitive bisubstrate inhibitor ARC1502 | Descriptor: | 8-[4,5,6,7-tetrakis(bromanyl)benzimidazol-1-yl]octanoic acid, ARC1502, Casein kinase II subunit alpha | Authors: | Niefind, K, Schnitzler, A. | Deposit date: | 2019-09-03 | Release date: | 2020-01-29 | Last modified: | 2024-01-24 | Method: | X-RAY DIFFRACTION (1.994 Å) | Cite: | Unexpected CK2 beta-antagonistic functionality of bisubstrate inhibitors targeting protein kinase CK2. Bioorg.Chem., 96, 2020
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7A1Z
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![BU of 7a1z by Molmil](/molmil-images/mine/7a1z) | Crystal structure of human protein kinase CK2alpha' (CSNK2A2 gene product) in complex with the ATP-competitive inhibitor 6-bromo-5-chloro-1H-triazolo[4,5-b]pyridine | Descriptor: | 1,2-ETHANEDIOL, 6-bromanyl-5-chloranyl-1~{H}-[1,2,3]triazolo[4,5-b]pyridine, CHLORIDE ION, ... | Authors: | Niefind, K, Lindenblatt, D, Toelzer, C, Bretner, M, Chojnacki, K, Wielechowska, M, Winska, P. | Deposit date: | 2020-08-14 | Release date: | 2020-12-09 | Last modified: | 2024-05-15 | Method: | X-RAY DIFFRACTION (1.024 Å) | Cite: | Synthesis, biological properties and structural study of new halogenated azolo[4,5-b]pyridines as inhibitors of CK2 kinase. Bioorg.Chem., 106, 2021
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3C13
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![BU of 3c13 by Molmil](/molmil-images/mine/3c13) | Low pH-value crystal structure of emodin in complex with the catalytic subunit of protein kinase CK2 | Descriptor: | 3-METHYL-1,6,8-TRIHYDROXYANTHRAQUINONE, CHLORIDE ION, Casein kinase II subunit alpha | Authors: | Niefind, K, Raaf, J, Issinger, O.-G. | Deposit date: | 2008-01-22 | Release date: | 2008-02-12 | Last modified: | 2023-11-01 | Method: | X-RAY DIFFRACTION (1.95 Å) | Cite: | The Catalytic Subunit of Human Protein Kinase CK2 Structurally Deviates from Its Maize Homologue in Complex with the Nucleotide Competitive Inhibitor Emodin J.Mol.Biol., 377, 2008
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3BQC
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![BU of 3bqc by Molmil](/molmil-images/mine/3bqc) | High pH-value crystal structure of emodin in complex with the catalytic subunit of protein kinase CK2 | Descriptor: | 3-METHYL-1,6,8-TRIHYDROXYANTHRAQUINONE, CHLORIDE ION, Casein kinase II subunit alpha | Authors: | Niefind, K, Raaf, J, Issinger, O.-G. | Deposit date: | 2007-12-20 | Release date: | 2008-01-15 | Last modified: | 2023-11-01 | Method: | X-RAY DIFFRACTION (1.5 Å) | Cite: | The Catalytic Subunit of Human Protein Kinase CK2 Structurally Deviates from Its Maize Homologue in Complex with the Nucleotide Competitive Inhibitor Emodin J.Mol.Biol., 377, 2008
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1HYH
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![BU of 1hyh by Molmil](/molmil-images/mine/1hyh) | |