1WQD
 
 | | An unusual fold for potassium channel blockers: NMR structure of three toxins from the scorpion Opisthacanthus madagascariensis | | Descriptor: | OmTx2 | | Authors: | Chagot, B, Pimentel, C, Dai, L, Pil, J, Tytgat, J, Nakajima, T, Corzo, G, Darbon, H, Ferrat, G. | | Deposit date: | 2004-09-28 | | Release date: | 2005-01-18 | | Last modified: | 2022-03-02 | | Method: | SOLUTION NMR | | Cite: | An unusual fold for potassium channel blockers: NMR structure of three toxins from the scorpion Opisthacanthus madagascariensis
Biochem.J., 388, 2005
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1KTX
 | | KALIOTOXIN (1-37) SHOWS STRUCTURAL DIFFERENCES WITH RELATED POTASSIUM CHANNEL BLOCKERS | | Descriptor: | KALIOTOXIN | | Authors: | Fernandez, I, Romi, R, Szendefi, S, Martin-Eauclaire, M.-F, Rochat, H, Van Rietschtoten, J, Pons, M, Giralt, E. | | Deposit date: | 1994-06-02 | | Release date: | 1995-01-26 | | Last modified: | 2017-11-29 | | Method: | SOLUTION NMR | | Cite: | Kaliotoxin (1-37) shows structural differences with related potassium channel blockers.
Biochemistry, 33, 1994
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1ORQ
 | | X-ray structure of a voltage-dependent potassium channel in complex with an Fab | | Descriptor: | 6E1 Fab heavy chain, 6E1 Fab light chain, CADMIUM ION, ... | | Authors: | Jiang, Y, Lee, A, Chen, J, Ruta, V, Cadene, M, Chait, B.T, MacKinnon, R. | | Deposit date: | 2003-03-14 | | Release date: | 2003-05-06 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (3.2 Å) | | Cite: | X-ray structure of a voltage-dependent K+ channel
Nature, 423, 2003
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4MUV
 | | M. loti cyclic-nucleotide binding domain mutant displaying inverted ligand selectivity, cyclic-GMP bound | | Descriptor: | CYCLIC GUANOSINE MONOPHOSPHATE, Cyclic nucleotide-gated potassium channel mll3241, SODIUM ION | | Authors: | Fonseca, F, Pessoa, J, Morais-Cabral, J.H. | | Deposit date: | 2013-09-23 | | Release date: | 2014-06-25 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (1.25 Å) | | Cite: | Determinants of ligand selectivity in a cyclic nucleotide-regulated potassium channel.
J.Gen.Physiol., 144, 2014
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1DU9
 | | SOLUTION STRUCTURE OF BMP02, A NATURAL SCORPION TOXIN WHICH BLOCKS APAMIN-SENSITIVE CALCIUM-ACTIVATED POTASSIUM CHANNELS, 25 STRUCTURES | | Descriptor: | BMP02 NEUROTOXIN | | Authors: | Xu, Y, Wu, J, Pei, J, Shi, Y, Ji, Y, Tong, Q. | | Deposit date: | 2000-01-17 | | Release date: | 2000-02-04 | | Last modified: | 2022-02-16 | | Method: | SOLUTION NMR | | Cite: | Solution structure of BmP02, a new potassium channel blocker from the venom of the Chinese scorpion Buthus martensi Karsch.
Biochemistry, 39, 2000
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4QNH
 | | Calcium-calmodulin (T79D) complexed with the calmodulin binding domain from a small conductance potassium channel SK2-a | | Descriptor: | CALCIUM ION, Calmodulin, SULFATE ION, ... | | Authors: | Zhang, M, Pascal, J.M, Logothetis, D.E, Zhang, J.F. | | Deposit date: | 2014-06-17 | | Release date: | 2014-08-06 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (2.02 Å) | | Cite: | Selective phosphorylation modulates the PIP2 sensitivity of the CaM-SK channel complex.
Nat.Chem.Biol., 10, 2014
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2HFE
 | | Rb+ complex of a K channel with an amide to ester substitution in the selectivity filter | | Descriptor: | (2S)-2-(BUTYRYLOXY)-3-HYDROXYPROPYL NONANOATE, FAB Heavy Chain, FAB Light Chain, ... | | Authors: | Valiyaveetil, F.I, MacKinnon, R, Muir, T.W. | | Deposit date: | 2006-06-23 | | Release date: | 2006-09-12 | | Last modified: | 2024-03-27 | | Method: | X-RAY DIFFRACTION (2.25 Å) | | Cite: | Structural and Functional Consequences of an Amide-to-Ester Substitution in the Selectivity Filter of a Potassium Channel.
J.Am.Chem.Soc., 128, 2006
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2HG5
 | | Cs+ complex of a K channel with an amide to ester substitution in the selectivity filter | | Descriptor: | (2S)-2-(BUTYRYLOXY)-3-HYDROXYPROPYL NONANOATE, CESIUM ION, FAB HEAVY CHAIN, ... | | Authors: | Valiyaveetil, F.I, MacKinnon, R, Muir, T.W. | | Deposit date: | 2006-06-26 | | Release date: | 2006-09-12 | | Last modified: | 2024-03-27 | | Method: | X-RAY DIFFRACTION (2.75 Å) | | Cite: | Structural and Functional Consequences of an Amide-to-Ester Substitution in the Selectivity Filter of a Potassium Channel.
J.Am.Chem.Soc., 128, 2006
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7EJ1
 | | human voltage-gated potassium channel KV1.3 | | Descriptor: | NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE, Potassium voltage-gated channel subfamily A member 3, Voltage-gated potassium channel subunit beta-2 | | Authors: | Liu, S, Zhao, Y, Tian, C. | | Deposit date: | 2021-04-01 | | Release date: | 2021-06-09 | | Last modified: | 2024-06-05 | | Method: | ELECTRON MICROSCOPY (3.2 Å) | | Cite: | Structures of wild-type and H451N mutant human lymphocyte potassium channel K V 1.3.
Cell Discov, 7, 2021
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7EJ2
 | | human voltage-gated potassium channel KV1.3 H451N mutant | | Descriptor: | NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE, Potassium voltage-gated channel subfamily A member 3, Voltage-gated potassium channel subunit beta-2 | | Authors: | Liu, S, Zhao, Y, Tian, C. | | Deposit date: | 2021-04-01 | | Release date: | 2021-06-09 | | Last modified: | 2024-06-05 | | Method: | ELECTRON MICROSCOPY (3.3 Å) | | Cite: | Structures of wild-type and H451N mutant human lymphocyte potassium channel K V 1.3.
Cell Discov, 7, 2021
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1XFD
 | | Structure of a human A-type Potassium Channel Accelerating factor DPPX, a member of the dipeptidyl aminopeptidase family | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Dipeptidyl aminopeptidase-like protein 6, alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, ... | | Authors: | Strop, P, Bankovich, A.J, Hansen, K.C, Garcia, K.C, Brunger, A.T. | | Deposit date: | 2004-09-14 | | Release date: | 2004-10-26 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Structure of a human A-type potassium channel interacting protein DPPX, a member of the dipeptidyl aminopeptidase family
J.Mol.Biol., 343, 2004
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2K72
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8S3E
 | | Structure of rabbit Slo1 in complex with gamma1/LRRC26 | | Descriptor: | (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE, CALCIUM ION, CHOLESTEROL, ... | | Authors: | Redhardt, M, Raunser, S, Raisch, T. | | Deposit date: | 2024-02-20 | | Release date: | 2024-04-10 | | Last modified: | 2024-05-01 | | Method: | ELECTRON MICROSCOPY (2.39 Å) | | Cite: | Cryo-EM structure of the Slo1 potassium channel with the auxiliary gamma 1 subunit suggests a mechanism for depolarization-independent activation.
Febs Lett., 598, 2024
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7CAL
 | | Cryo-EM Structure of the Hyperpolarization-Activated Inwardly Rectifying Potassium Channel KAT1 from Arabidopsis | | Descriptor: | 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE, Potassium channel KAT1 | | Authors: | Li, S.Y, Yang, F, Sun, D.M, Zhang, Y, Zhang, M.G, Zhou, P, Liu, S.L, Zhang, Y.N, Zhang, L.H, Tian, C.L. | | Deposit date: | 2020-06-09 | | Release date: | 2020-07-29 | | Last modified: | 2020-11-18 | | Method: | ELECTRON MICROSCOPY (3.2 Å) | | Cite: | Cryo-EM structure of the hyperpolarization-activated inwardly rectifying potassium channel KAT1 from Arabidopsis.
Cell Res., 30, 2020
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6M86
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3FB8
 | | KcsA Potassium channel in the open-conductive state with 20 A opening at T112 in the presence of Rb+ ion | | Descriptor: | RUBIDIUM ION, Voltage-gated potassium channel, antibody fab fragment heavy chain, ... | | Authors: | Cuello, L.G, Jogini, V, Cortes, D.M, Perozo, E. | | Deposit date: | 2008-11-18 | | Release date: | 2010-05-19 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (3.4 Å) | | Cite: | KcsA Potassium channel in the open-conductive state
with 20 A opening at T112 in the presence of Rb+ ion
TO BE PUBLISHED
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3FB7
 | | Open KcsA potassium channel in the presence of Rb+ ion | | Descriptor: | RUBIDIUM ION, Voltage-gated potassium channel, antibody fab fragment heavy chain, ... | | Authors: | Cuello, L.G, Jogini, V, Cortes, D.M, Pan, A.C, Gagnon, D.H, Cordero-Morales, J.F, Chakrapani, S, Roux, B, Perozo, E. | | Deposit date: | 2008-11-18 | | Release date: | 2010-07-14 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (3.3 Å) | | Cite: | Open KcsA potassium channel in the presence of Rb+ ion
TO BE PUBLISHED
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8DE9
 | | Cryo-EM structure of the zebrafish two pore domain K+ channel TREK1 (K2P2.1) in DDM/POPE mixed micelles | | Descriptor: | (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE, POTASSIUM ION, Potassium channel, ... | | Authors: | Schmidpeter, P.A.M, Nimigean, C.M, Riegelhaupt, P.M. | | Deposit date: | 2022-06-20 | | Release date: | 2023-03-08 | | Method: | ELECTRON MICROSCOPY (3.4 Å) | | Cite: | Membrane phospholipids control gating of the mechanosensitive potassium leak channel TREK1.
Nat Commun, 14, 2023
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8DE8
 | | Cryo-EM structure of the zebrafish two pore domain K+ channel TREK1 (K2P2.1) in DDM/POPA mixed micelles | | Descriptor: | (2R)-1-(hexadecanoyloxy)-3-(phosphonooxy)propan-2-yl (9Z)-octadec-9-enoate, POTASSIUM ION, Potassium channel, ... | | Authors: | Schmidpeter, P.A.M, Nimigean, C.M, Riegelhaupt, P.M. | | Deposit date: | 2022-06-20 | | Release date: | 2023-03-08 | | Method: | ELECTRON MICROSCOPY (2.82 Å) | | Cite: | Membrane phospholipids control gating of the mechanosensitive potassium leak channel TREK1.
Nat Commun, 14, 2023
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8DE7
 | | Cryo-EM structure of the zebrafish two pore domain K+ channel TREK1 (K2P2.1) in DDM detergent | | Descriptor: | DODECYL-BETA-D-MALTOSIDE, POTASSIUM ION, Potassium channel, ... | | Authors: | Schmidpeter, P.A.M, Nimigean, C.M, Riegelhaupt, P.M. | | Deposit date: | 2022-06-20 | | Release date: | 2023-03-08 | | Method: | ELECTRON MICROSCOPY (3.27 Å) | | Cite: | Membrane phospholipids control gating of the mechanosensitive potassium leak channel TREK1.
Nat Commun, 14, 2023
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1ZSX
 | | Crystal Structure Of Human Potassium Channel Kv Beta-subunit (KCNAB2) | | Descriptor: | CHLORIDE ION, NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE, Voltage-gated potassium channel beta-2 subunit | | Authors: | Wennerstrand, P, Johannsson, I, Ugochukwu, E, Kavanagh, K, Edwards, A, Arrowsmith, C, Williams, L, Sundstrom, M, Guo, K, von Delft, F, Oppermann, U, Structural Genomics Consortium (SGC) | | Deposit date: | 2005-05-25 | | Release date: | 2005-06-07 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Crystal Structure Of Human Potassium Channel Kv Beta-subunit (KCNAB2)
To be Published
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8DFL
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3GJ9
 | | crystal structure of TIP-1 in complex with c-terminal of Kir2.3 | | Descriptor: | C-terminal peptide from Inward rectifier potassium channel 4, CHLORIDE ION, Tax1-binding protein 3, ... | | Authors: | Shen, Y. | | Deposit date: | 2009-03-08 | | Release date: | 2009-12-15 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | Molecular mechanism of inward rectifier potassium channel 2.3 regulation by tax-interacting protein-1
J.Mol.Biol., 392, 2009
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8HKQ
 | | ion channel | | Descriptor: | POTASSIUM ION, Potassium channel subfamily T member 1, SODIUM ION, ... | | Authors: | Jiang, D.H, Zhang, J.T. | | Deposit date: | 2022-11-27 | | Release date: | 2023-08-16 | | Method: | ELECTRON MICROSCOPY (2.9 Å) | | Cite: | Structural basis of human Slo2.2 channel gating and modulation.
Cell Rep, 42, 2023
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8HKK
 | | ion channel | | Descriptor: | POTASSIUM ION, Potassium channel subfamily T member 1, SODIUM ION, ... | | Authors: | Jiang, D.H, Zhang, J.T. | | Deposit date: | 2022-11-27 | | Release date: | 2023-08-16 | | Method: | ELECTRON MICROSCOPY (2.84 Å) | | Cite: | Structural basis of human Slo2.2 channel gating and modulation.
Cell Rep, 42, 2023
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