2YM3
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1,2-ETHANEDIOL, ETHYL 4-(2-(AMINOMETHYL)MORPHOLINO)-1H-PYRAZOLO[3,4-B]PYRIDINE-5-CARBOXYLATE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Reader, J.C, Matthews, T.P, Klair, S, Cheung, K.M.J, Scanlon, J, Proisy, N, Addison, G, Ellard, J, Piton, N, Taylor, S, Cherry, M, Fisher, M, Boxall, K, Burns, S, Walton, M.I, Westwood, I.M, Hayes, A, Eve, P, Valenti, M, Brandon, A.H, Box, G, vanMontfort, R.L.M, Williams, D.H, Aherne, G.W, Raynaud, F.I, Eccles, S.A, Garrett, M.D, Collins, I. | Deposit date: | 2011-06-06 | Release date: | 2012-01-11 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.007 Å) | Cite: | Structure-Guided Evolution of Potent and Selective Chk1 Inhibitors Through Scaffold Morphing. J.Med.Chem., 54, 2011
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5F4N
 
 | Multi-parameter lead optimization to give an oral CHK1 inhibitor clinical candidate: (R)-5-((4-((morpholin-2-ylmethyl)amino)-5-(trifluoromethyl)pyridin-2-yl)amino)pyrazine-2-carbonitrile (CCT245737) | Descriptor: | 1,2-ETHANEDIOL, GLYCEROL, Serine/threonine-protein kinase Chk1, ... | Authors: | Collins, I, Garrett, M.D, van Montfort, R, Osborne, J.D, Matthews, T.P, McHardy, T, Proisy, N, Cheung, K.J, Lainchbury, M, Brown, N, Walton, M.I, Eve, P.D, Boxall, K.J, Hayes, A, Henley, A.T, Valenti, M.R, De Haven Brandon, A.K, Box, G, Westwood, I.M, Jamin, Y, Robinson, S.P, Leonard, P, Reader, J.C, Aherne, G.W, Raynaud, F.I, Eccles, S.A. | Deposit date: | 2015-12-03 | Release date: | 2016-05-25 | Last modified: | 2024-05-08 | Method: | X-RAY DIFFRACTION (1.91 Å) | Cite: | Multiparameter Lead Optimization to Give an Oral Checkpoint Kinase 1 (CHK1) Inhibitor Clinical Candidate: (R)-5-((4-((Morpholin-2-ylmethyl)amino)-5-(trifluoromethyl)pyridin-2-yl)amino)pyrazine-2-carbonitrile (CCT245737). J.Med.Chem., 59, 2016
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4AXA
 
 | Structure of PKA-PKB chimera complexed with (1S)-2-amino-1-(4- chlorophenyl)-1-(4-(1H-pyrazol-4-yl)phenyl)ethan-1-ol | Descriptor: | (2S)-2-(4-chlorophenyl)-2-hydroxy-2-[4-(1H-pyrazol-4-yl)phenyl]ethanaminium, CAMP-DEPENDENT PROTEIN KINASE CATALYTIC SUBUNIT ALPHA, CAMP-DEPENDENT PROTEIN KINASE INHIBITOR ALPHA | Authors: | Davies, T.G, Yap, T.A, Walton, M.I, Grimshaw, K.M, tePoele, R.H, Eve, P.D, Valenti, M.R, deHavenBrandon, A.K, Martins, V, Zetterlund, A, Heaton, S.P, Heinzmann, K, Jones, P.S, Feltell, R.E, Reule, M, Woodhead, S.J, Lyons, J.F, Raynaud, F.I, Eccles, S.A, Workman, P, Thompson, N.T, Garrett, M.D. | Deposit date: | 2012-06-12 | Release date: | 2012-07-25 | Last modified: | 2024-10-23 | Method: | X-RAY DIFFRACTION (1.9 Å) | Cite: | At13148 is a Novel, Oral Multi-Agc Kinase Inhibitor with Potent Pharmacodynamic and Antitumor Activity. Clin.Cancer Res., 18, 2012
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5MHQ
 
 | CCT068127 in complex with CDK2 | Descriptor: | (2~{R},3~{S})-3-[[9-propan-2-yl-6-(pyridin-3-ylmethylamino)purin-2-yl]amino]pentan-2-ol, Cyclin-dependent kinase 2 | Authors: | Whittaker, S.R, Barlow, C, Martin, M.P, Mancusi, C, Wagner, S, Barrie, E, te Poele, R, Sharp, S, Brown, N, Wilson, S, Clarke, P, Walton, M.I, MacDonald, E, Blagg, J, Noble, M.E.M, Garrett, M.D, Workman, P. | Deposit date: | 2016-11-25 | Release date: | 2017-12-20 | Last modified: | 2025-04-09 | Method: | X-RAY DIFFRACTION (1.3 Å) | Cite: | Molecular profiling and combinatorial activity of CCT068127: a potent CDK2 and CDK9 inhibitor. Mol Oncol, 12, 2018
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2YM7
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1,2-ETHANEDIOL, 5-({6-[(piperidin-4-ylmethyl)amino]pyrimidin-4-yl}amino)pyrazine-2-carbonitrile, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Reader, J.C, Matthews, T.P, Klair, S, Cheung, K.M.J, Scanlon, J, Proisy, N, Addison, G, Ellard, J, Piton, N, Taylor, S, Cherry, M, Fisher, M, Boxall, K, Burns, S, Walton, M.I, Westwood, I.M, Hayes, A, Eve, P, Valenti, M, Brandon, A.H, Box, G, vanMontfort, R.L.M, Williams, D.H, Aherne, G.W, Raynaud, F.I, Eccles, S.A, Garrett, M.D, Collins, I. | Deposit date: | 2011-06-06 | Release date: | 2012-01-11 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (1.81 Å) | Cite: | Structure-Guided Evolution of Potent and Selective Chk1 Inhibitors Through Scaffold Morphing. J.Med.Chem., 54, 2011
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2YM4
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1,2-ETHANEDIOL, SERINE/THREONINE-PROTEIN KINASE CHK1, ethyl 4-[(2R)-2-(aminomethyl)morpholin-4-yl]-3-(3-cyanophenyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate | Authors: | Reader, J.C, Matthews, T.P, Klair, S, Cheung, K.M.J, Scanlon, J, Proisy, N, Addison, G, Ellard, J, Piton, N, Taylor, S, Cherry, M, Fisher, M, Boxall, K, Burns, S, Walton, M.I, Westwood, I.M, Hayes, A, Eve, P, Valenti, M, Brandon, A.H, Box, G, vanMontfort, R.L.M, Williams, D.H, Aherne, G.W, Raynaud, F.I, Eccles, S.A, Garrett, M.D, Collins, I. | Deposit date: | 2011-06-06 | Release date: | 2012-01-11 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.35 Å) | Cite: | Structure-Guided Evolution of Potent and Selective Chk1 Inhibitors Through Scaffold Morphing. J.Med.Chem., 54, 2011
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2YM6
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1,2-ETHANEDIOL, 1-[(2R)-4-(9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidin-4-yl)morpholin-2-yl]methanamine, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Reader, J.C, Matthews, T.P, Klair, S, Cheung, K.M.J, Scanlon, J, Proisy, N, Addison, G, Ellard, J, Piton, N, Taylor, S, Cherry, M, Fisher, M, Boxall, K, Burns, S, Walton, M.I, Westwood, I.M, Hayes, A, Eve, P, Valenti, M, Brandon, A.H, Box, G, vanMontfort, R.L.M, Williams, D.H, Aherne, G.W, Raynaud, F.I, Eccles, S.A, Garrett, M.D, Collins, I. | Deposit date: | 2011-06-06 | Release date: | 2012-01-11 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.01 Å) | Cite: | Structure-Guided Evolution of Potent and Selective Chk1 Inhibitors Through Scaffold Morphing. J.Med.Chem., 54, 2011
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2YM5
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | (3-{4-[(2S)-2-(AMINOMETHYL)MORPHOLIN-4-YL]-7H-PYRROLO[2,3-D]PYRIMIDIN-5-YL}PHENYL)METHANOL, 1,2-ETHANEDIOL, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Reader, J.C, Matthews, T.P, Klair, S, Cheung, K.M.J, Scanlon, J, Proisy, N, Addison, G, Ellard, J, Piton, N, Taylor, S, Cherry, M, Fisher, M, Boxall, K, Burns, S, Walton, M.I, Westwood, I.M, Hayes, A, Eve, P, Valenti, M, Brandon, A.H, Box, G, vanMontfort, R.L.M, Williams, D.H, Aherne, G.W, Raynaud, F.I, Eccles, S.A, Garrett, M.D, Collins, I. | Deposit date: | 2011-06-06 | Release date: | 2012-01-11 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.03 Å) | Cite: | Structure-Guided Evolution of Potent and Selective Chk1 Inhibitors Through Scaffold Morphing. J.Med.Chem., 54, 2011
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2YM8
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | (R)-5-(8-CHLOROISOQUINOLIN-3-YLAMINO)-3-(1-(DIMETHYLAMINO)PROPAN-2-YLOXY)PYRAZINE-2-CARBONITRILE, 1,2-ETHANEDIOL, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Reader, J.C, Matthews, T.P, Klair, S, Cheung, K.M.J, Scanlon, J, Proisy, N, Addison, G, Ellard, J, Piton, N, Taylor, S, Cherry, M, Fisher, M, Boxall, K, Burns, S, Walton, M.I, Westwood, I.M, Hayes, A, Eve, P, Valenti, M, Brandon, A.H, Box, G, vanMontfort, R.L.M, Williams, D.H, Aherne, G.W, Raynaud, F.I, Eccles, S.A, Garrett, M.D, Collins, I. | Deposit date: | 2011-06-06 | Release date: | 2012-01-11 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.07 Å) | Cite: | Structure-Guided Evolution of Potent and Selective Chk1 Inhibitors Through Scaffold Morphing. J.Med.Chem., 54, 2011
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2WMW
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1-[(2S)-4-(5-BROMO-1H-PYRAZOLO[3,4-B]PYRIDIN-4-YL)MORPHOLIN-2-YL]METHANAMINE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.43 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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2WMV
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1-[(2S)-4-(7H-PURIN-6-YL)MORPHOLIN-2-YL]METHANAMINE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.009 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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2WMT
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 2-(methylsulfanyl)-5-(thiophen-2-ylmethyl)-1H-imidazol-4-ol, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.55 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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2WMS
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | SERINE/THREONINE-PROTEIN KINASE CHK1, [4-amino-2-(tert-butylamino)-1,3-thiazol-5-yl](phenyl)methanone | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.7 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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2WMX
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1-[(2S)-4-(5-phenyl-1H-pyrazolo[3,4-b]pyridin-4-yl)morpholin-2-yl]methanamine, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.45 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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2WMU
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 6-MORPHOLIN-4-YL-9H-PURINE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.6 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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2WMQ
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | N-(4-OXO-5,6,7,8-TETRAHYDRO-4H-[1,3]THIAZOLO[5,4-C]AZEPIN-2-YL)ACETAMIDE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.48 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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2WMR
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 5,6,7,8-TETRAHYDRO[1]BENZOTHIENO[2,3-D]PYRIMIDIN-4(3H)-ONE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, Klair, S, Burns, S, Boxall, K, Cherry, M, Fisher, M, Westwood, I.M, Walton, M.I, McHardy, T, Cheung, K.-M.J, Van Montfort, R, Williams, D, Aherne, G.W, Garrett, M.D, Reader, J, Collins, I. | Deposit date: | 2009-07-03 | Release date: | 2009-07-28 | Last modified: | 2023-12-13 | Method: | X-RAY DIFFRACTION (2.43 Å) | Cite: | Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening. J.Med.Chem., 52, 2009
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6HX1
 
 | IRE1 ALPHA IN COMPLEX WITH imidazo[1,2-b]pyridazin-8-amine compound 2 | Descriptor: | 6-chloranyl-~{N}-(cyclopropylmethyl)-3-(2~{H}-indazol-5-yl)imidazo[1,2-b]pyridazin-8-amine, Serine/threonine-protein kinase/endoribonuclease IRE1 | Authors: | Augustin, M.A, Krapp, S, Bayliss, R, Collins, I. | Deposit date: | 2018-10-15 | Release date: | 2019-02-27 | Last modified: | 2024-01-24 | Method: | X-RAY DIFFRACTION (2.14 Å) | Cite: | Binding to an Unusual Inactive Kinase Conformation by Highly Selective Inhibitors of Inositol-Requiring Enzyme 1 alpha Kinase-Endoribonuclease. J.Med.Chem., 62, 2019
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6HV0
 
 | IRE1 kinase/RNase in complex with imidazo[1,2-b]pyridazin-8-amine compound 33 | Descriptor: | 6-chloranyl-3-(2~{H}-indazol-5-yl)-~{N}-propan-2-yl-imidazo[1,2-b]pyridazin-8-amine, Serine/threonine-protein kinase/endoribonuclease IRE1 | Authors: | Bayliss, R, Bhatia, C, Collins, I. | Deposit date: | 2018-10-09 | Release date: | 2019-02-27 | Last modified: | 2024-01-24 | Method: | X-RAY DIFFRACTION (2.73 Å) | Cite: | Binding to an Unusual Inactive Kinase Conformation by Highly Selective Inhibitors of Inositol-Requiring Enzyme 1 alpha Kinase-Endoribonuclease. J.Med.Chem., 62, 2019
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2XF0
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1,2-ETHANEDIOL, 3-PHENYL-6-(1H-PYRAZOL-4-YL)IMIDAZO[1,2-A]PYRAZINE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, McHardy, T, Klair, S, Boxall, K, Fisher, M, Cherry, M, Allen, C.E, Addison, G.J, Ellard, J, Aherne, G.W, Westwood, I.M, van Montfort, R, Garrett, M.D, Reader, J.C, Collins, I. | Deposit date: | 2010-05-19 | Release date: | 2010-06-30 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.4 Å) | Cite: | Design and Evaluation of 3,6-Di(Hetero)Aryl Imidazo[1,2-A]Pyrazines as Inhibitors of Checkpoint and Other Kinases. Bioorg.Med.Chem.Lett., 20, 2010
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2XEZ
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 1,2-ETHANEDIOL, 6-(1H-PYRAZOL-3-YL)-3-(1H-PYRAZOL-4-YL)IMIDAZO[1,2-A]PYRAZINE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, McHardy, T, Klair, S, Boxall, K, Fisher, M, Cherry, M, Allen, C.E, Addison, G.J, Ellard, J, Aherne, G.W, Westwood, I.M, vanMontfort, R, Garrett, M.D, Reader, J.C, Collins, I. | Deposit date: | 2010-05-19 | Release date: | 2010-07-07 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.25 Å) | Cite: | Design and Evaluation of 3,6-Di(Hetero)Aryl Imidazo[1,2-A]Pyrazines as Inhibitors of Checkpoint and Other Kinases. Bioorg.Med.Chem.Lett., 20, 2010
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2XBJ
 
 | Crystal Structure of Chk2 in complex with an inhibitor | Descriptor: | 4-FLUORO-2-(4-{[(3S,4R)-4-(1-HYDROXY-1-METHYLETHYL)PYRROLIDIN-3-YL]AMINO}-6,7-DIMETHOXYQUINAZOLIN-2-YL)PHENOL, MAGNESIUM ION, NITRATE ION, ... | Authors: | Anderson, V.E, Walton, M.I, Eve, P.D, Caldwell, J.J, Pearl, L.H, Oliver, A.W, Collins, I, Garrett, M.D. | Deposit date: | 2010-04-12 | Release date: | 2011-01-12 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | Structure-Based Design of Potent and Selective 2-(Quinazolin-2-Yl)Phenol Inhibitors of Checkpoint Kinase 2. J.Med.Chem., 54, 2011
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2XEY
 
 | Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors | Descriptor: | 3-(1H-INDOL-3-YL)-6-(1H-PYRAZOL-4-YL)IMIDAZO[1,2-A]PYRAZINE, SERINE/THREONINE-PROTEIN KINASE CHK1 | Authors: | Matthews, T.P, McHardy, T, Klair, S, Boxall, K, Fisher, M, Cherry, M, Allen, C.E, Addison, G.J, Ellard, J, Aherne, G.W, Westwood, I.M, van Montfort, R, Garrett, M.D, Reader, J.C, Collins, I. | Deposit date: | 2010-05-19 | Release date: | 2010-06-30 | Last modified: | 2023-12-20 | Method: | X-RAY DIFFRACTION (2.7 Å) | Cite: | Design and Evaluation of 3,6-Di(Hetero)Aryl Imidazo[1,2-A]Pyrazines as Inhibitors of Checkpoint and Other Kinases. Bioorg.Med.Chem.Lett., 20, 2010
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