6U6E
 
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6UXB
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6UXA
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6UX7
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7SQW
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1AGT
 | | SOLUTION STRUCTURE OF THE POTASSIUM CHANNEL INHIBITOR AGITOXIN 2: CALIPER FOR PROBING CHANNEL GEOMETRY | | Descriptor: | AGITOXIN 2 | | Authors: | Krezel, A.M, Kasibhatla, C, Hidalgo, P, Mackinnon, R, Wagner, G. | | Deposit date: | 1995-04-14 | | Release date: | 1995-07-10 | | Last modified: | 2017-11-29 | | Method: | SOLUTION NMR | | Cite: | Solution structure of the potassium channel inhibitor agitoxin 2: caliper for probing channel geometry.
Protein Sci., 4, 1995
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5YW7
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5YWD
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6W0J
 | | Closed-gate KcsA incubated in BaCl2/NaCl | | Descriptor: | BARIUM ION, Fab Heavy Chain, Fab Light Chain, ... | | Authors: | Rohaim, A, Gong, L, Li, J. | | Deposit date: | 2020-02-29 | | Release date: | 2020-07-08 | | Last modified: | 2024-11-06 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Open and Closed Structures of a Barium-Blocked Potassium Channel.
J.Mol.Biol., 432, 2020
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5TWV
 | | Cryo-EM structure of the pancreatic ATP-sensitive K+ channel SUR1/Kir6.2 in the presence of ATP and glibenclamide | | Descriptor: | ADENOSINE-5'-TRIPHOSPHATE, ATP-binding cassette sub-family C member 8, ATP-sensitive inward rectifier potassium channel 11 | | Authors: | Martin, G.M, Yoshioka, C, Chen, J.Z, Shyng, S.L. | | Deposit date: | 2016-11-14 | | Release date: | 2017-01-25 | | Last modified: | 2024-10-23 | | Method: | ELECTRON MICROSCOPY (6.3 Å) | | Cite: | Cryo-EM structure of the ATP-sensitive potassium channel illuminates mechanisms of assembly and gating.
Elife, 6, 2017
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2R9R
 | | Shaker family voltage dependent potassium channel (kv1.2-kv2.1 paddle chimera channel) in association with beta subunit | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE, POTASSIUM ION, ... | | Authors: | Long, S.B, Tao, X, Campbell, E.B, Mackinnon, R. | | Deposit date: | 2007-09-13 | | Release date: | 2007-11-20 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | Atomic structure of a voltage-dependent K+ channel in a lipid membrane-like environment.
Nature, 450, 2007
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1BGK
 | | SEA ANEMONE TOXIN (BGK) WITH HIGH AFFINITY FOR VOLTAGE DEPENDENT POTASSIUM CHANNEL, NMR, 15 STRUCTURES | | Descriptor: | BGK | | Authors: | Dauplais, M, Lecoq, A, Song, J, Cotton, J, Jamin, N, Gilquin, B, Roumestand, C, Vita, C, Harvey, A, Menez, A. | | Deposit date: | 1996-05-08 | | Release date: | 1997-01-27 | | Last modified: | 2024-10-30 | | Method: | SOLUTION NMR | | Cite: | On the convergent evolution of animal toxins. Conservation of a diad of functional residues in potassium channel-blocking toxins with unrelated structures.
J.Biol.Chem., 272, 1997
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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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5HIT
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1QUZ
 | | Solution structure of the potassium channel scorpion toxin HSTX1 | | Descriptor: | HSTX1 TOXIN | | Authors: | Savarin, P, Romi-Lebrun, R, Zinn-Justin, S, Lebrun, B, Nakajima, T, Gilquin, B, Menez, A. | | Deposit date: | 1999-07-05 | | Release date: | 2000-07-07 | | Last modified: | 2022-03-02 | | Method: | SOLUTION NMR | | Cite: | Structural and functional consequences of the presence of a fourth disulfide bridge in the scorpion short toxins: solution structure of the potassium channel inhibitor HsTX1.
Protein Sci., 8, 1999
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4J9Z
 | | Calcium-calmodulin complexed with the calmodulin binding domain from a small conductance potassium channel splice variant and NS309 | | Descriptor: | (3E)-6,7-dichloro-3-(hydroxyimino)-1,3-dihydro-2H-indol-2-one, CALCIUM ION, Calmodulin, ... | | Authors: | Zhang, M, Pascal, J.M, Zhang, J.-F. | | Deposit date: | 2013-02-17 | | Release date: | 2013-03-27 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.66 Å) | | Cite: | Unstructured to structured transition of an intrinsically disordered protein peptide in coupling Ca2+-sensing and SK channel activation.
Proc.Natl.Acad.Sci.USA, 110, 2013
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4J9Y
 | | Calcium-calmodulin complexed with the calmodulin binding domain from a small conductance potassium channel splice variant | | Descriptor: | CALCIUM ION, Calmodulin, GLYCEROL, ... | | Authors: | Zhang, M, Pascal, J.M, Zhang, J.-F. | | Deposit date: | 2013-02-17 | | Release date: | 2013-03-27 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.51 Å) | | Cite: | Unstructured to structured transition of an intrinsically disordered protein peptide in coupling Ca2+-sensing and SK channel activation.
Proc.Natl.Acad.Sci.USA, 110, 2013
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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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6V36
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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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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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1ACW
 | | SOLUTION NMR STRUCTURE OF P01, A NATURAL SCORPION PEPTIDE STRUCTURALLY ANALOGOUS TO SCORPION TOXINS SPECIFIC FOR APAMIN-SENSITIVE POTASSIUM CHANNEL, 25 STRUCTURES | | Descriptor: | NATURAL SCORPION PEPTIDE P01 | | Authors: | Blanc, E, Fremont, V, Sizun, P, Meunier, S, Van Rietschoten, J, Thevand, A, Bernassau, J.M, Darbon, H. | | Deposit date: | 1997-02-10 | | Release date: | 1997-04-01 | | Last modified: | 2022-02-16 | | Method: | SOLUTION NMR | | Cite: | Solution structure of P01, a natural scorpion peptide structurally analogous to scorpion toxins specific for apamin-sensitive potassium channel.
Proteins, 24, 1996
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6V37
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6V3I
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6V3C
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