3BJ4
 
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4GOW
 | | Crystal Structure of Ca2+/CaM:Kv7.4 (KCNQ4) B helix complex | | Descriptor: | CALCIUM ION, Calmodulin, Potassium voltage-gated channel subfamily KQT member 4 | | Authors: | Xu, Q, Chang, A, Tolia, A, Minor Jr, D.L. | | Deposit date: | 2012-08-20 | | Release date: | 2012-12-12 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Structure of a Ca(2+)/CaM:Kv7.4 (KCNQ4) B-helix complex provides insight into M current modulation.
J.Mol.Biol., 425, 2013
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5VMS
 | | CryoEM structure of Xenopus KCNQ1 channel | | Descriptor: | CALCIUM ION, Calmodulin, Potassium voltage-gated channel subfamily KQT member 1 | | Authors: | Mackinnon, R, Sun, J. | | Deposit date: | 2017-04-28 | | Release date: | 2017-06-07 | | Last modified: | 2024-03-13 | | Method: | ELECTRON MICROSCOPY (3.7 Å) | | Cite: | Cryo-EM Structure of a KCNQ1/CaM Complex Reveals Insights into Congenital Long QT Syndrome.
Cell, 169, 2017
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7TCI
 | | Structure of Xenopus KCNQ1-CaM in complex with ML277 | | Descriptor: | (2R)-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1-(4-methylbenzene-1-sulfonyl)piperidine-2-carboxamide, CALCIUM ION, Calmodulin-1, ... | | Authors: | Willegems, K, Kyriakis, E, Van Petegem, F, Eldstrom, J, Fedida, D. | | Deposit date: | 2021-12-23 | | Release date: | 2022-07-06 | | Last modified: | 2024-02-28 | | Method: | ELECTRON MICROSCOPY (3.9 Å) | | Cite: | Structural and electrophysiological basis for the modulation of KCNQ1 channel currents by ML277.
Nat Commun, 13, 2022
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7TCP
 | | Structure of Xenopus KCNQ1-CaM | | Descriptor: | CALCIUM ION, Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 1 | | Authors: | Willegems, K, Kyriakis, E, Van Petegem, F, Eldstrom, J, Fedida, D. | | Deposit date: | 2021-12-27 | | Release date: | 2022-07-06 | | Last modified: | 2024-02-28 | | Method: | ELECTRON MICROSCOPY (3.84 Å) | | Cite: | Structural and electrophysiological basis for the modulation of KCNQ1 channel currents by ML277.
Nat Commun, 13, 2022
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6V00
 | | structure of human KCNQ1-KCNE3-CaM complex | | Descriptor: | CALCIUM ION, Calmodulin-1, MCherry fluorescent protein,Potassium voltage-gated channel subfamily E member 3, ... | | Authors: | Mackinnon, R, Sun, J. | | Deposit date: | 2019-11-16 | | Release date: | 2019-12-04 | | Last modified: | 2024-03-06 | | Method: | ELECTRON MICROSCOPY (3.1 Å) | | Cite: | Structural Basis of Human KCNQ1 Modulation and Gating.
Cell, 180, 2020
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7VNR
 | | Structure of human KCNQ4-ML213 complex in digitonin | | Descriptor: | (1S,2S,4R)-N-(2,4,6-trimethylphenyl)bicyclo[2.2.1]heptane-2-carboxamid, Calmodulin-3, POTASSIUM ION, ... | | Authors: | Xu, F, Zheng, Y. | | Deposit date: | 2021-10-11 | | Release date: | 2021-12-01 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (2.8 Å) | | Cite: | Structural insights into the lipid and ligand regulation of a human neuronal KCNQ channel.
Neuron, 110, 2022
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7VNQ
 | | Structure of human KCNQ4-ML213 complex in nanodisc | | Descriptor: | (1S,2S,4R)-N-(2,4,6-trimethylphenyl)bicyclo[2.2.1]heptane-2-carboxamid, Calmodulin-3, POTASSIUM ION, ... | | Authors: | Xu, F, Zheng, Y. | | Deposit date: | 2021-10-11 | | Release date: | 2021-12-01 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (2.96 Å) | | Cite: | Structural insights into the lipid and ligand regulation of a human neuronal KCNQ channel.
Neuron, 110, 2022
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7VNP
 | | Structure of human KCNQ4-ML213 complex with PIP2 | | Descriptor: | (1S,2S,4R)-N-(2,4,6-trimethylphenyl)bicyclo[2.2.1]heptane-2-carboxamid, Calmodulin-3, POTASSIUM ION, ... | | Authors: | Xu, F, Zheng, Y. | | Deposit date: | 2021-10-11 | | Release date: | 2021-12-01 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (2.79 Å) | | Cite: | Structural insights into the lipid and ligand regulation of a human neuronal KCNQ channel.
Neuron, 110, 2022
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6UZZ
 | | structure of human KCNQ1-CaM complex | | Descriptor: | CALCIUM ION, Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 1 | | Authors: | Mackinnon, R, Sun, J. | | Deposit date: | 2019-11-16 | | Release date: | 2019-12-04 | | Last modified: | 2025-05-14 | | Method: | ELECTRON MICROSCOPY (3.1 Å) | | Cite: | Structural Basis of Human KCNQ1 Modulation and Gating.
Cell, 180, 2020
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6V01
 | | structure of human KCNQ1-KCNE3-CaM complex with PIP2 | | Descriptor: | CALCIUM ION, Calmodulin-1, Potassium voltage-gated channel subfamily E member 3, ... | | Authors: | Mackinnon, R, Sun, J. | | Deposit date: | 2019-11-18 | | Release date: | 2019-12-04 | | Last modified: | 2024-03-20 | | Method: | ELECTRON MICROSCOPY (3.9 Å) | | Cite: | Structural Basis of Human KCNQ1 Modulation and Gating.
Cell, 180, 2020
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8X43
 | | human KCNQ2-CaM-Ebio1-S1 complex in the presence of PIP2 | | Descriptor: | Calmodulin-1, N-(4-azanyl-1,2-dihydroacenaphthylen-5-yl)-4-fluoranyl-benzamide, Potassium voltage-gated channel subfamily KQT member 2 | | Authors: | Ma, D, Guo, J. | | Deposit date: | 2023-11-15 | | Release date: | 2024-01-17 | | Last modified: | 2024-07-17 | | Method: | ELECTRON MICROSCOPY (3 Å) | | Cite: | A small-molecule activation mechanism that directly opens the KCNQ2 channel.
Nat.Chem.Biol., 20, 2024
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8XO1
 | | Human KCNQ2-CaM in complex with QO-83 | | Descriptor: | Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 2, ~{N}-[2-azanyl-3-fluoranyl-4-[[4-(trifluoromethyl)phenyl]methylamino]phenyl]-3-cyclopentyl-propanamide | | Authors: | Zhao, Y.W, Yang, Z.N, Guo, J.T, Du, X.N. | | Deposit date: | 2023-12-31 | | Release date: | 2025-01-01 | | Method: | ELECTRON MICROSCOPY (3.8 Å) | | Cite: | Human KCNQ2-CaM in complex with QO-83
To Be Published
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8SIK
 | | KCNQ1 with voltage sensor in the up conformation | | Descriptor: | CALCIUM ION, Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 1 | | Authors: | Mandala, V.S, MacKinnon, R. | | Deposit date: | 2023-04-16 | | Release date: | 2023-05-31 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (2.9 Å) | | Cite: | The membrane electric field regulates the PIP 2 -binding site to gate the KCNQ1 channel.
Proc.Natl.Acad.Sci.USA, 120, 2023
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8SIM
 | | KCNQ1 with voltage sensor in the intermediate conformation | | Descriptor: | CALCIUM ION, Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 1 | | Authors: | Mandala, V.S, MacKinnon, R. | | Deposit date: | 2023-04-16 | | Release date: | 2023-05-31 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (6.2 Å) | | Cite: | The membrane electric field regulates the PIP 2 -binding site to gate the KCNQ1 channel.
Proc.Natl.Acad.Sci.USA, 120, 2023
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8SIN
 | | KCNQ1 with voltage sensor in the down conformation | | Descriptor: | Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 1 | | Authors: | Mandala, V.S, MacKinnon, R. | | Deposit date: | 2023-04-16 | | Release date: | 2023-05-31 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (6.8 Å) | | Cite: | The membrane electric field regulates the PIP 2 -binding site to gate the KCNQ1 channel.
Proc.Natl.Acad.Sci.USA, 120, 2023
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8W4U
 | | human KCNQ2-CaM in complex with PIP2 and HN37 | | Descriptor: | Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 2, [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate, ... | | Authors: | Ma, D, Li, X, Guo, J. | | Deposit date: | 2023-08-25 | | Release date: | 2023-12-13 | | Method: | ELECTRON MICROSCOPY (3.3 Å) | | Cite: | Ligand activation mechanisms of human KCNQ2 channel.
Nat Commun, 14, 2023
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7XNK
 | | human KCNQ1-CaM in complex with ML277 | | Descriptor: | (2R)-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1-(4-methylbenzene-1-sulfonyl)piperidine-2-carboxamide, Calmodulin-3, POTASSIUM ION, ... | | Authors: | Ma, D, Guo, J. | | Deposit date: | 2022-04-29 | | Release date: | 2022-12-14 | | Last modified: | 2024-07-03 | | Method: | ELECTRON MICROSCOPY (2.6 Å) | | Cite: | Structural mechanisms for the activation of human cardiac KCNQ1 channel by electro-mechanical coupling enhancers.
Proc.Natl.Acad.Sci.USA, 119, 2022
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7XNN
 | | human KCNQ1-CaM-ML277-PIP2 complex in state B | | Descriptor: | (2R)-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1-(4-methylbenzene-1-sulfonyl)piperidine-2-carboxamide, Calmodulin-3, POTASSIUM ION, ... | | Authors: | Ma, D, Guo, J. | | Deposit date: | 2022-04-29 | | Release date: | 2022-12-14 | | Last modified: | 2024-07-03 | | Method: | ELECTRON MICROSCOPY (2.5 Å) | | Cite: | Structural mechanisms for the activation of human cardiac KCNQ1 channel by electro-mechanical coupling enhancers.
Proc.Natl.Acad.Sci.USA, 119, 2022
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7XNI
 | | human KCNQ1-CaM in apo state | | Descriptor: | Calmodulin-3, Potassium voltage-gated channel subfamily KQT member 1 | | Authors: | Ma, D, Guo, J. | | Deposit date: | 2022-04-28 | | Release date: | 2022-12-14 | | Last modified: | 2024-07-03 | | Method: | ELECTRON MICROSCOPY (3.5 Å) | | Cite: | Structural mechanisms for the activation of human cardiac KCNQ1 channel by electro-mechanical coupling enhancers.
Proc.Natl.Acad.Sci.USA, 119, 2022
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7XNL
 | | human KCNQ1-CaM-ML277-PIP2 complex in state A | | Descriptor: | (2R)-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1-(4-methylbenzene-1-sulfonyl)piperidine-2-carboxamide, Calmodulin-3, POTASSIUM ION, ... | | Authors: | Ma, D, Guo, J. | | Deposit date: | 2022-04-29 | | Release date: | 2022-12-14 | | Last modified: | 2024-07-03 | | Method: | ELECTRON MICROSCOPY (3.1 Å) | | Cite: | Structural mechanisms for the activation of human cardiac KCNQ1 channel by electro-mechanical coupling enhancers.
Proc.Natl.Acad.Sci.USA, 119, 2022
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9IXZ
 | | human KCNQ2-CaM-Ebio3 Complex in the Presence of PIP2 | | Descriptor: | Calmodulin-1, Isoform 3 of Potassium voltage-gated channel subfamily KQT member 2, ~{N}-[7-[bis(fluoranyl)methoxy]-1-prop-2-ynyl-indazol-3-yl]-2-propyl-pentanamide | | Authors: | Yang, Z, Guo, J. | | Deposit date: | 2024-07-29 | | Release date: | 2025-03-19 | | Method: | ELECTRON MICROSCOPY (3.2 Å) | | Cite: | human KCNQ2-CaM-Ebio3 Complex in the Presence of PIP2
To Be Published
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9IXY
 | | Human KCNQ2-CaM-Ebio2 Complex in the Presence of PIP2 | | Descriptor: | Calmodulin-3, Isoform 3 of Potassium voltage-gated channel subfamily KQT member 2, [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate, ... | | Authors: | Yang, Z, Guo, J. | | Deposit date: | 2024-07-29 | | Release date: | 2025-03-19 | | Last modified: | 2025-04-02 | | Method: | ELECTRON MICROSCOPY (3.1 Å) | | Cite: | Human KCNQ2-CaM-Ebio2 Complex in the Presence of PIP2
To Be Published
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9J38
 | | human KCNQ5-CaM in apo state | | Descriptor: | Calmodulin-1, Potassium voltage-gated channel subfamily KQT member 5 | | Authors: | Yang, Z, Guo, J. | | Deposit date: | 2024-08-08 | | Release date: | 2025-04-16 | | Last modified: | 2025-05-14 | | Method: | ELECTRON MICROSCOPY (2.4 Å) | | Cite: | Phosphatidylinositol 4,5-bisphosphate activation mechanism of human KCNQ5.
Proc.Natl.Acad.Sci.USA, 122, 2025
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9LJ5
 | | Human KCNQ5-CaM-PIP2-HN37 complex in an open conformation. | | Descriptor: | Calmodulin-3, Potassium voltage-gated channel subfamily KQT member 5, [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate, ... | | Authors: | Yang, Z, Guo, J. | | Deposit date: | 2025-01-14 | | Release date: | 2025-04-16 | | Last modified: | 2025-05-14 | | Method: | ELECTRON MICROSCOPY (2.9 Å) | | Cite: | Phosphatidylinositol 4,5-bisphosphate activation mechanism of human KCNQ5.
Proc.Natl.Acad.Sci.USA, 122, 2025
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