1TF7
 
 | | Crystal Structure of Circadian Clock Protein KaiC | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, KaiC | | Authors: | Pattanayek, R, Wang, J, Mori, T, Xu, Y, Johnson, C.H, Egli, M. | | Deposit date: | 2004-05-26 | | Release date: | 2004-08-24 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | Visualizing a Circadian Clock Protein; Crystal Structure of KaiC and Functional Insights
Mol.Cell, 15, 2004
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5JWO
 | | Crystal structure of foldswitch-stabilized KaiB in complex with the N-terminal CI domain of KaiC from Thermosynechococcus elongatus | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Circadian clock protein KaiB, Circadian clock protein kinase KaiC | | Authors: | Tseng, R, Goularte, N.F, Chavan, A, Luu, J, Chang, Y, Heilser, J, Tripathi, S, LiWang, A, Partch, C.L. | | Deposit date: | 2016-05-12 | | Release date: | 2017-03-29 | | Last modified: | 2024-03-06 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Structural basis of the day-night transition in a bacterial circadian clock.
Science, 355, 2017
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1WWJ
 | | crystal structure of KaiB from Synechocystis sp. | | Descriptor: | Circadian clock protein kaiB, D-MALATE, IMIDAZOLE, ... | | Authors: | Hitomi, K, Oyama, T, Han, S, Arvai, A.S, Tainer, J.A, Getzoff, E.D. | | Deposit date: | 2005-01-06 | | Release date: | 2005-02-15 | | Last modified: | 2023-11-15 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Tetrameric architecture of the circadian clock protein KaiB. A novel interface for intermolecular interactions and its impact on the circadian rhythm.
J.Biol.Chem., 280, 2005
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5JWQ
 | | Crystal structure of KaiC S431E in complex with foldswitch-stabilized KaiB from Thermosynechococcus elongatus | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Circadian clock protein KaiB, Circadian clock protein kinase KaiC | | Authors: | Tseng, R, Goularte, N.F, Chavan, A, Luu, J, Chang, Y, Heilser, J, Tripathi, S, LiWang, A, Partch, C.L. | | Deposit date: | 2016-05-12 | | Release date: | 2017-03-29 | | Last modified: | 2024-03-06 | | Method: | X-RAY DIFFRACTION (3.871 Å) | | Cite: | Structural basis of the day-night transition in a bacterial circadian clock.
Science, 355, 2017
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1VGL
 | | Crystal structure of tetrameric KaiB from T.elongatus BP-1 | | Descriptor: | Circadian clock protein kaiB, MERCURY (II) ION | | Authors: | Iwase, R, Imada, K, Hayashi, F, Uzumaki, T, Namba, K, Ishiura, M. | | Deposit date: | 2004-04-27 | | Release date: | 2005-08-16 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Functionally important substructures of circadian clock protein KaiB in a unique tetramer complex.
J.Biol.Chem., 280, 2005
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1Q6A
 | | Solution Structure of the C-terminal Domain of Thermosynechococcus elongatus KaiA (ThKaiA180C); Averaged Minimized Structure | | Descriptor: | Circadian clock protein KaiA homolog | | Authors: | Vakonakis, I, Sun, J, Holzenburg, A, Golden, S.S, LiWang, A.C. | | Deposit date: | 2003-08-13 | | Release date: | 2003-08-19 | | Last modified: | 2011-07-13 | | Method: | SOLUTION NMR | | Cite: | NMR structure of the KaiC-interacting C-terminal domain of KaiA, a circadian clock protein: Implications for KaiA-KaiC interaction
Proc.Natl.Acad.Sci.USA, 101, 2004
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1Q6B
 | | Solution Structure of the C-terminal Domain of Thermosynechococcus elongatus KaiA (ThKaiA180C); Ensemble of 25 Structures | | Descriptor: | Circadian clock protein KaiA homolog | | Authors: | Vakonakis, I, Sun, J, Golden, S.S, Holzenburg, A, LiWang, A.C. | | Deposit date: | 2003-08-13 | | Release date: | 2003-08-19 | | Last modified: | 2011-07-13 | | Method: | SOLUTION NMR | | Cite: | NMR structure of the KaiC-interacting C-terminal domain of KaiA, a circadian clock protein: implications for KaiA-KaiC interaction
Proc.Natl.Acad.Sci.USA, 101, 2004
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2E1N
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4TLC
 | | Crystal structure of N-terminal C1 domain of KaiC | | Descriptor: | CHLORIDE ION, Circadian clock protein kinase KaiC, MAGNESIUM ION, ... | | Authors: | Abe, J, Hiyama, T.B, Mukaiyama, A, Son, S, Akiyama, S. | | Deposit date: | 2014-05-29 | | Release date: | 2015-07-01 | | Last modified: | 2024-03-20 | | Method: | X-RAY DIFFRACTION (2.09 Å) | | Cite: | Atomic-scale origins of slowness in the cyanobacterial circadian clock
Science, 349, 2015
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4TL8
 | | Crystal structure of N-terminal C1 domain of KaiC | | Descriptor: | CHLORIDE ION, Circadian clock protein kinase KaiC, MAGNESIUM ION, ... | | Authors: | Abe, J, Hiyama, T.B, Mukaiyama, A, Son, S, Akiyama, S. | | Deposit date: | 2014-05-29 | | Release date: | 2015-07-01 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (1.859 Å) | | Cite: | Atomic-scale origins of slowness in the cyanobacterial circadian clock
Science, 349, 2015
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4TLD
 | | Crystal structure of N-terminal C1 domain of KaiC | | Descriptor: | CHLORIDE ION, Circadian clock protein kinase KaiC, MAGNESIUM ION, ... | | Authors: | Abe, J, Hiyama, T.B, Mukaiyama, A, Son, S, Akiyama, S. | | Deposit date: | 2014-05-29 | | Release date: | 2015-07-01 | | Last modified: | 2024-03-20 | | Method: | X-RAY DIFFRACTION (1.949 Å) | | Cite: | Atomic-scale origins of slowness in the cyanobacterial circadian clock
Science, 349, 2015
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4IJM
 | | Crystal structure of circadian clock protein KaiC A422V mutant | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, Circadian clock protein kinase KaiC, MAGNESIUM ION, ... | | Authors: | Egli, M, Pattanayek, R. | | Deposit date: | 2012-12-21 | | Release date: | 2013-02-13 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (3.352 Å) | | Cite: | Loop-Loop Interactions Regulate KaiA-Stimulated KaiC Phosphorylation in the Cyanobacterial KaiABC Circadian Clock.
Biochemistry, 52, 2013
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5C5E
 | | Structure of KaiA dimer in complex with C-terminal KaiC peptide at 2.8 A resolution | | Descriptor: | 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-5-[(sulfanylcarbonyl)amino]benzoic acid, Circadian clock protein KaiA, KaiC C-terminal peptide | | Authors: | Pattanayek, R, Egli, M. | | Deposit date: | 2015-06-19 | | Release date: | 2015-08-05 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (2.82 Å) | | Cite: | Protein-Protein Interactions in the Cyanobacterial Circadian Clock: Structure of KaiA Dimer in Complex with C-Terminal KaiC Peptides at 2.8 angstrom Resolution.
Biochemistry, 54, 2015
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3S1A
 | | Crystal structure of the phosphorylation-site double mutant S431E/T432E of the KaiC circadian clock protein | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, Circadian clock protein kinase kaiC, MAGNESIUM ION | | Authors: | Pattanayek, R, Williams, D.W, Rossi, G, Weigand, S, Mori, T, Johnson, C.H, Stewart, P.L, Egli, M. | | Deposit date: | 2011-05-14 | | Release date: | 2011-09-21 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Combined SAXS/EM Based Models of the S. elongatus Post-Translational Circadian Oscillator and its Interactions with the Output His-Kinase SasA.
Plos One, 6, 2011
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1U9I
 | | Crystal Structure of Circadian Clock Protein KaiC with Phosphorylation Sites | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, KaiC, MAGNESIUM ION | | Authors: | Xu, Y, Mori, T, Pattanayek, R, Pattanayek, S, Egli, M, Johnson, C.H. | | Deposit date: | 2004-08-09 | | Release date: | 2005-04-19 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | Identification of key phosphorylation sites in the circadian clock protein KaiC by crystallographic and mutagenetic analyses
PROC.NATL.ACAD.SCI.USA, 101, 2004
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4XGT
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5E02
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5DZR
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1R8J
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6QPJ
 | | Human CLOCK PAS-A domain | | Descriptor: | Circadian locomoter output cycles protein kaput | | Authors: | Kwon, H, Freeman, S.L, Moody, P.C.E, Raven, E.L, Basran, J. | | Deposit date: | 2019-02-14 | | Release date: | 2019-09-25 | | Last modified: | 2024-05-15 | | Method: | X-RAY DIFFRACTION (2.315 Å) | | Cite: | Heme binding to human CLOCK affects interactions with the E-box.
Proc.Natl.Acad.Sci.USA, 116, 2019
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3DVL
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4DUG
 | | Crystal Structure of Circadian Clock Protein KaiC E318A Mutant | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, Circadian clock protein kinase kaiC, MAGNESIUM ION, ... | | Authors: | Egli, M, Mori, T, Pattanayek, R, Xu, Y, Qin, X, Johnson, C.H. | | Deposit date: | 2012-02-21 | | Release date: | 2012-03-14 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (3.292 Å) | | Cite: | Dephosphorylation of the Core Clock Protein KaiC in the Cyanobacterial KaiABC Circadian Oscillator Proceeds via an ATP Synthase Mechanism.
Biochemistry, 51, 2012
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7X1Z
 | | Structure of the phosphorylation-site double mutant S431E/T432E of the KaiC circadian clock protein | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, Circadian clock oscillator protein KaiC, MAGNESIUM ION | | Authors: | Han, X, Zhang, D.L, Hong, L, Yu, D.Q, Wu, Z.L, Yang, T, Rust, M.J, Tu, Y.H, Ouyang, Q. | | Deposit date: | 2022-02-25 | | Release date: | 2023-04-19 | | Last modified: | 2023-11-08 | | Method: | ELECTRON MICROSCOPY (3.3 Å) | | Cite: | Determining subunit-subunit interaction from statistics of cryo-EM images: observation of nearest-neighbor coupling in a circadian clock protein complex
Nat Commun, 14, 2023
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7X1Y
 | | Structure of the phosphorylation-site double mutant S431A/T432A of the KaiC circadian clock protein | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, Circadian clock oscillator protein KaiC, MAGNESIUM ION | | Authors: | Han, X, Zhang, D.L, Hong, L, Yu, D.Q, Wu, Z.L, Yang, T, Rust, M.J, Tu, Y.H, Ouyang, Q. | | Deposit date: | 2022-02-25 | | Release date: | 2023-04-26 | | Last modified: | 2023-11-08 | | Method: | ELECTRON MICROSCOPY (3.3 Å) | | Cite: | Determining subunit-subunit interaction from statistics of cryo-EM images: observation of nearest-neighbor coupling in a circadian clock protein complex
Nat Commun, 14, 2023
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5N8Y
 | | KaiCBA circadian clock backbone model based on a Cryo-EM density | | Descriptor: | Circadian clock protein KaiA, Circadian clock protein KaiB, Circadian clock protein kinase KaiC | | Authors: | Schuller, J.M, Snijder, J, Loessl, P, Heck, A.J.R, Foerster, F. | | Deposit date: | 2017-02-24 | | Release date: | 2017-03-29 | | Last modified: | 2024-05-15 | | Method: | ELECTRON MICROSCOPY (4.7 Å) | | Cite: | Structures of the cyanobacterial circadian oscillator frozen in a fully assembled state.
Science, 355, 2017
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