6UFE
| The structure of a potassium selective ion channel at atomic resolution | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, POTASSIUM ION, Transporter | Authors: | Langan, P.S, Vandavasi, V.G, Sullivan, B, Afonine, P.V, Weiss, K.L. | Deposit date: | 2019-09-24 | Release date: | 2020-08-05 | Last modified: | 2023-10-11 | Method: | X-RAY DIFFRACTION (1.2 Å) | Cite: | The structure of a potassium-selective ion channel reveals a hydrophobic gate regulating ion permeation. Iucrj, 7, 2020
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6V36
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6U9P
| Wild-type MthK pore in ~150 mM K+ | Descriptor: | Calcium-gated potassium channel MthK, HEXANE-1,6-DIOL, POTASSIUM ION | Authors: | Posson, D.J, Nimigean, C.M. | Deposit date: | 2019-09-09 | Release date: | 2020-11-04 | Last modified: | 2023-10-11 | Method: | X-RAY DIFFRACTION (1.65 Å) | Cite: | Selectivity filter ion binding affinity determines inactivation in a potassium channel. Proc.Natl.Acad.Sci.USA, 117, 2020
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6V37
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6V3I
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6V3C
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6V8Y
| Structure of a Sodium Potassium ion Channel | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, POTASSIUM ION, Potassium channel protein, ... | Authors: | Roy, R, Weiss, K.L, Coates, L. | Deposit date: | 2019-12-12 | Release date: | 2021-04-14 | Last modified: | 2023-10-11 | Method: | X-RAY DIFFRACTION (1.53 Å) | Cite: | Structural plasticity of the selectivity filter in a nonselective ion channel. Iucrj, 8, 2021
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1P7B
| Crystal structure of an inward rectifier potassium channel | Descriptor: | POTASSIUM ION, integral membrane channel and cytosolic domains | Authors: | Kuo, A, Gulbis, J.M, Antcliff, J.F, Rahman, T, Lowe, E.D, Zimmer, J, Cuthbertson, J, Ashcroft, F.M, Ezaki, T, Doyle, D.A. | Deposit date: | 2003-05-01 | Release date: | 2003-06-17 | Last modified: | 2024-02-14 | Method: | X-RAY DIFFRACTION (3.65 Å) | Cite: | Crystal structure of the potassium channel KirBac1.1 in the closed state. Science, 300, 2003
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2WLL
| POTASSIUM CHANNEL FROM BURKHOLDERIA PSEUDOMALLEI | Descriptor: | DIUNDECYL PHOSPHATIDYL CHOLINE, MAGNESIUM ION, POTASSIUM CHANNEL, ... | Authors: | Clarke, O.B, Caputo, A.T, Hill, A.P, VandenBerg, J.I, Smith, B.J, Gulbis, J.M. | Deposit date: | 2009-06-24 | Release date: | 2010-06-09 | Last modified: | 2024-05-08 | Method: | X-RAY DIFFRACTION (3.65 Å) | Cite: | Domain Reorientation and Rotation of an Intracellular Assembly Regulate Conduction in Kir Potassium Channels. Cell(Cambridge,Mass.), 141, 2010
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7SWJ
| KirBac1.1 mutant - I131C | Descriptor: | Inward rectifier potassium channel | Authors: | Amani, R, Wylie, B.J. | Deposit date: | 2021-11-19 | Release date: | 2022-02-02 | Last modified: | 2024-05-15 | Method: | SOLID-STATE NMR | Cite: | Water Accessibility Refinement of the Extended Structure of KirBac1.1 in the Closed State. Front Mol Biosci, 8, 2021
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4LCU
| Structure of KcsA with E118A mutation | Descriptor: | DIACYL GLYCEROL, Fab heavy chain, Fab light chain, ... | Authors: | Nimigean, C.M, Posson, D.J, McCoy, J.M. | Deposit date: | 2013-06-23 | Release date: | 2013-10-30 | Last modified: | 2017-11-15 | Method: | X-RAY DIFFRACTION (2.752 Å) | Cite: | Molecular interactions involved in proton-dependent gating in KcsA potassium channels. J.Gen.Physiol., 142, 2013
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6EBL
| The voltage-activated Kv1.2-2.1 paddle chimera channel in lipid nanodiscs, cytosolic domain | Descriptor: | NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE, Potassium voltage-gated channel subfamily A member 2,Potassium voltage-gated channel subfamily B member 2 chimera, Voltage-gated potassium channel subunit beta-2 | Authors: | Matthies, D, Bae, C, Fox, T, Bartesaghi, A, Subramaniam, S, Swartz, K.J. | Deposit date: | 2018-08-06 | Release date: | 2018-08-22 | Last modified: | 2024-03-13 | Method: | ELECTRON MICROSCOPY (3 Å) | Cite: | Single-particle cryo-EM structure of a voltage-activated potassium channel in lipid nanodiscs. Elife, 7, 2018
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1BL8
| POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS | Descriptor: | POTASSIUM ION, PROTEIN (POTASSIUM CHANNEL PROTEIN) | Authors: | Doyle, D.A, Cabral, J.M, Pfuetzner, R.A, Kuo, A, Gulbis, J.M, Cohen, S.L, Chait, B.T, Mackinnon, R. | Deposit date: | 1998-07-23 | Release date: | 1998-07-29 | Last modified: | 2024-02-07 | Method: | X-RAY DIFFRACTION (3.2 Å) | Cite: | The structure of the potassium channel: molecular basis of K+ conduction and selectivity. Science, 280, 1998
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7ADI
| KirBac3.1 W46R: role of a highly conserved tryptophan at the membrane-water interface of Kir channel | Descriptor: | Inward rectifier potassium channel Kirbac3.1, MAGNESIUM ION, POTASSIUM ION | Authors: | Venien-Bryan, C, Fagnen, C, De Zorzi, R, Bannwarth, L, Oubella, I, Haouz, A. | Deposit date: | 2020-09-15 | Release date: | 2022-01-12 | Last modified: | 2024-01-31 | Method: | X-RAY DIFFRACTION (2.8 Å) | Cite: | Integrative Study of the Structural and Dynamical Properties of a KirBac3.1 Mutant: Functional Implication of a Highly Conserved Tryptophan in the Transmembrane Domain. Int J Mol Sci, 23, 2021
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1F6G
| POTASSIUM CHANNEL (KCSA) FULL-LENGTH FOLD | Descriptor: | VOLTAGE-GATED POTASSIUM CHANNEL | Authors: | Cortes, D.M, Perozo, E. | Deposit date: | 2000-06-21 | Release date: | 2001-02-21 | Last modified: | 2024-05-22 | Method: | SOLUTION NMR | Cite: | Molecular architecture of full-length KcsA: role of cytoplasmic domains in ion permeation and activation gating. J.Gen.Physiol., 117, 2001
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9CHQ
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9CHS
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6I9D
| MloK1 consensus structure from single particle analysis of 2D crystals | Descriptor: | Cyclic nucleotide-gated potassium channel mll3241, POTASSIUM ION | Authors: | Righetto, R, Biyani, N, Kowal, J, Chami, M, Stahlberg, H. | Deposit date: | 2018-11-23 | Release date: | 2019-04-24 | Last modified: | 2024-05-15 | Method: | ELECTRON MICROSCOPY (4 Å) | Cite: | Retrieving high-resolution information from disordered 2D crystals by single-particle cryo-EM. Nat Commun, 10, 2019
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2A0L
| Crystal structure of KvAP-33H1 Fv complex | Descriptor: | 33H1 Fv fragment, POTASSIUM ION, Voltage-gated potassium channel | Authors: | Lee, S.Y, Lee, A, Chen, J, Mackinnon, R. | Deposit date: | 2005-06-16 | Release date: | 2005-11-01 | Last modified: | 2011-07-13 | Method: | X-RAY DIFFRACTION (3.9 Å) | Cite: | Structure of the KvAP voltage-dependent K+ channel and its dependence on the lipid membrane. Proc.Natl.Acad.Sci.Usa, 102, 2005
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6IAX
| MloK1 model from single particle analysis of 2D crystals, class 1 (extended conformation) | Descriptor: | Cyclic nucleotide-gated potassium channel mll3241, POTASSIUM ION | Authors: | Righetto, R, Biyani, N, Kowal, J, Chami, M, Stahlberg, H. | Deposit date: | 2018-11-27 | Release date: | 2019-04-24 | Last modified: | 2024-05-15 | Method: | ELECTRON MICROSCOPY (5.2 Å) | Cite: | Retrieving high-resolution information from disordered 2D crystals by single-particle cryo-EM. Nat Commun, 10, 2019
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2ZD9
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5K7L
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5J9P
| KcsA in vitro | Descriptor: | Fab, POTASSIUM ION, pH-gated potassium channel KcsA | Authors: | Matulef, K, Valiyaveetil, F.I. | Deposit date: | 2016-04-10 | Release date: | 2016-07-20 | Last modified: | 2019-12-04 | Method: | X-RAY DIFFRACTION (2.85 Å) | Cite: | Combining in Vitro Folding with Cell Free Protein Synthesis for Membrane Protein Expression. Biochemistry, 55, 2016
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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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3BEH
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