6CJT
 
 | | Structure of the SthK cyclic nucleotide-gated potassium channel in complex with cGMP | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, CYCLIC GUANOSINE MONOPHOSPHATE, SthK cyclic nucleotide-gated potassium channel | | Authors: | Nimigean, C.M, Rheinberger, J. | | Deposit date: | 2018-02-26 | | Release date: | 2018-08-01 | | Last modified: | 2024-03-13 | | Method: | ELECTRON MICROSCOPY (3.46 Å) | | Cite: | Ligand discrimination and gating in cyclic nucleotide-gated ion channels from apo and partial agonist-bound cryo-EM structures.
Elife, 7, 2018
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4LBE
 | | Structure of KcsA with R122A mutation | | Descriptor: | DIACYL GLYCEROL, Fab heavy chain, Fab light chain, ... | | Authors: | Nimigean, C.M, Posson, D.J, McCoy, J.M. | | Deposit date: | 2013-06-20 | | Release date: | 2013-10-30 | | Last modified: | 2017-11-15 | | Method: | X-RAY DIFFRACTION (2.751 Å) | | Cite: | Molecular interactions involved in proton-dependent gating in KcsA potassium channels.
J.Gen.Physiol., 142, 2013
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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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6CJU
 | | Structure of the SthK cyclic nucleotide-gated potassium channel in complex with cAMP | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE, SthK cyclic nucleotide-gated potassium channel | | Authors: | Nimigean, C.M, Rheinberger, J. | | Deposit date: | 2018-02-26 | | Release date: | 2018-08-01 | | Last modified: | 2024-03-13 | | Method: | ELECTRON MICROSCOPY (3.35 Å) | | Cite: | Ligand discrimination and gating in cyclic nucleotide-gated ion channels from apo and partial agonist-bound cryo-EM structures.
Elife, 7, 2018
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6CJQ
 | | Structure of the SthK cyclic nucleotide-gated potassium channel | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, SthK cyclic nucleotide-gated potassium channel | | Authors: | Nimigean, C.M, Rheinberger, J. | | Deposit date: | 2018-02-26 | | Release date: | 2018-08-01 | | Last modified: | 2024-03-13 | | Method: | ELECTRON MICROSCOPY (3.42 Å) | | Cite: | Ligand discrimination and gating in cyclic nucleotide-gated ion channels from apo and partial agonist-bound cryo-EM structures.
Elife, 7, 2018
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8FZ7
 | | TpeA bound closed MthK-A88F mutant in nanodisc | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, 1-(tripentyl-$l^{4}-azanyl)pentane, Calcium-gated potassium channel MthK, ... | | Authors: | Agarwal, S, Nimigean, C.M. | | Deposit date: | 2023-01-27 | | Release date: | 2023-10-11 | | Last modified: | 2024-01-03 | | Method: | ELECTRON MICROSCOPY (2.88 Å) | | Cite: | Calcium-gated potassium channel blockade via membrane-facing fenestrations.
Nat.Chem.Biol., 20, 2024
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3OGC
 | | KcsA E71A variant in presence of Na+ | | Descriptor: | SODIUM ION, Voltage-gated potassium channel, antibody Fab fragment heavy chain, ... | | Authors: | McCoy, J.G, Nimigean, C.M. | | Deposit date: | 2010-08-16 | | Release date: | 2011-03-16 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (3.8 Å) | | Cite: | Mechanism for selectivity-inactivation coupling in KcsA potassium channels.
Proc.Natl.Acad.Sci.USA, 108, 2011
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8DJB
 | | MthK-A90L mutant in closed state with 0 Ca2+ | | Descriptor: | Calcium-gated potassium channel MthK, POTASSIUM ION | | Authors: | Agarwal, S, Nimigean, C.M. | | Deposit date: | 2022-06-30 | | Release date: | 2023-07-05 | | Last modified: | 2024-01-03 | | Method: | ELECTRON MICROSCOPY (3.18 Å) | | Cite: | Calcium-gated potassium channel blockade via membrane-facing fenestrations.
Nat.Chem.Biol., 20, 2024
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3GB7
 | | Potassium Channel KcsA-Fab complex in Li+ | | Descriptor: | DIACYL GLYCEROL, NICKEL (II) ION, Voltage-gated potassium channel, ... | | Authors: | Thompson, A.N, Ilsoo, K, Panosian, T.D, Iverson, T.M, Allen, T.W, Nimigean, C.M. | | Deposit date: | 2009-02-18 | | Release date: | 2009-11-17 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.85 Å) | | Cite: | Mechanism of potassium-channel selectivity revealed by Na(+) and Li(+) binding sites within the KcsA pore.
Nat.Struct.Mol.Biol., 16, 2009
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3IGA
 | | Potassium Channel KcsA-Fab complex in Li+ and K+ | | Descriptor: | Antibody Fab Fragment heavy chain, Antibody Fab fragment light chain, DIACYL GLYCEROL, ... | | Authors: | Thompson, A.N, Ilsoo, K, Panosian, T.D, Iverson, T.M, Allen, T.W, Nimigean, C.M. | | Deposit date: | 2009-07-27 | | Release date: | 2009-11-17 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.75 Å) | | Cite: | Mechanism of potassium-channel selectivity revealed by Na(+) and Li(+) binding sites within the KcsA pore.
Nat.Struct.Mol.Biol., 16, 2009
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6U9Z
 | | Wild-type MthK pore in 6 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 (1.954 Å) | | Cite: | Selectivity filter ion binding affinity determines inactivation in a potassium channel.
Proc.Natl.Acad.Sci.USA, 117, 2020
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6U9Y
 | | Wild-type MthK pore in 11 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 (1.8 Å) | | Cite: | Selectivity filter ion binding affinity determines inactivation in a potassium channel.
Proc.Natl.Acad.Sci.USA, 117, 2020
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7TJ6
 | | SthK open state, cAMP-bound in the presence of POPA | | Descriptor: | (2R)-1-(hexadecanoyloxy)-3-(phosphonooxy)propan-2-yl (9Z)-octadec-9-enoate, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE, Putative transcriptional regulator, ... | | Authors: | Schmidpeter, P.A, Nimigean, C.M. | | Deposit date: | 2022-01-14 | | Release date: | 2022-10-26 | | Last modified: | 2022-11-30 | | Method: | ELECTRON MICROSCOPY (2.9 Å) | | Cite: | Anionic lipids unlock the gates of select ion channels in the pacemaker family.
Nat.Struct.Mol.Biol., 29, 2022
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7TKT
 | | SthK closed state, cAMP-bound in the presence of detergent | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE, Putative transcriptional regulator, ... | | Authors: | Rheinberger, J, Schmidpeter, P.A, Nimigean, C.M. | | Deposit date: | 2022-01-17 | | Release date: | 2022-10-26 | | Last modified: | 2022-11-30 | | Method: | ELECTRON MICROSCOPY (3.6 Å) | | Cite: | Anionic lipids unlock the gates of select ion channels in the pacemaker family.
Nat.Struct.Mol.Biol., 29, 2022
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7TJ5
 | | SthK closed state, cAMP-bound in the presence of POPA | | Descriptor: | (2R)-1-(hexadecanoyloxy)-3-(phosphonooxy)propan-2-yl (9Z)-octadec-9-enoate, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE, Putative transcriptional regulator, ... | | Authors: | Schmidpeter, P.A, Nimigean, C.M. | | Deposit date: | 2022-01-14 | | Release date: | 2022-10-26 | | Last modified: | 2022-11-30 | | Method: | ELECTRON MICROSCOPY (2.41 Å) | | Cite: | Anionic lipids unlock the gates of select ion channels in the pacemaker family.
Nat.Struct.Mol.Biol., 29, 2022
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4HZ3
 | | MthK pore crystallized in presence of TBSb | | Descriptor: | Calcium-gated potassium channel mthK, HEXANE-1,6-DIOL, POTASSIUM ION | | Authors: | Posson, D.J, McCoy, J.G, Nimigean, C.M. | | Deposit date: | 2012-11-14 | | Release date: | 2012-12-26 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | The voltage-dependent gate in MthK potassium channels is located at the selectivity filter.
Nat.Struct.Mol.Biol., 20, 2013
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4HYO
 | | Crystal Structure of MthK Pore | | Descriptor: | Calcium-gated potassium channel mthK, HEXANE-1,6-DIOL, POTASSIUM ION | | Authors: | Posson, D.J, McCoy, J.G, Nimigean, C.M. | | Deposit date: | 2012-11-13 | | Release date: | 2012-12-26 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | The voltage-dependent gate in MthK potassium channels is located at the selectivity filter.
Nat.Struct.Mol.Biol., 20, 2013
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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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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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4CHW
 | | The electron crystallography structure of the cAMP-free potassium channel MloK1 | | Descriptor: | CYCLIC NUCLEOTIDE-GATED POTASSIUM CHANNEL MLL3241, POTASSIUM ION | | Authors: | Kowal, J, Chami, M, Baumgartner, P, Arheit, M, Chiu, P.L, Rangl, M, Scheuring, S, Schroeder, G.F, Nimigean, C.M, Stahlberg, H. | | Deposit date: | 2013-12-04 | | Release date: | 2014-01-15 | | Last modified: | 2019-04-24 | | Method: | ELECTRON CRYSTALLOGRAPHY (7 Å) | | Cite: | Ligand-induced structural changes in the cyclic nucleotide-modulated potassium channel MloK1.
Nat Commun, 5, 2014
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4CHV
 | | The electron crystallography structure of the cAMP-bound potassium channel MloK1 | | Descriptor: | CYCLIC NUCLEOTIDE-GATED POTASSIUM CHANNEL MLL3241, POTASSIUM ION | | Authors: | Kowal, J, Chami, M, Baumgartner, P, Arheit, M, Chiu, P.L, Rangl, M, Scheuring, S, Schroeder, G.F, Nimigean, C.M, Stahlberg, H. | | Deposit date: | 2013-12-04 | | Release date: | 2014-01-15 | | Last modified: | 2019-04-24 | | Method: | ELECTRON CRYSTALLOGRAPHY (7 Å) | | Cite: | Ligand-Induced Structural Changes in the Cyclic Nucleotide-Modulated Potassium Channel Mlok1
Nat.Commun., 5, 2014
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5BKK
 | | bbTBA-bound closed MthK channel in nanodisc | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, (~{R})-phenyl-[4-[(tributyl-$l^{4}-azanyl)methyl]phenyl]methanol, Calcium-gated potassium channel MthK, ... | | Authors: | Fan, C, Nimigean, C.M. | | Deposit date: | 2021-03-19 | | Release date: | 2022-09-21 | | Last modified: | 2023-10-04 | | Method: | ELECTRON MICROSCOPY (3.5 Å) | | Cite: | Calcium-gated potassium channel blockade via membrane-facing fenestrations.
Nat.Chem.Biol., 2023
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5BKI
 | | Blocker-free closed MthK channel in nanodisc | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, CADMIUM ION, Calcium-gated potassium channel MthK, ... | | Authors: | Fan, C, Nimigean, C.M. | | Deposit date: | 2021-03-19 | | Release date: | 2022-09-21 | | Last modified: | 2023-10-04 | | Method: | ELECTRON MICROSCOPY (3.1 Å) | | Cite: | Calcium-gated potassium channel blockade via membrane-facing fenestrations.
Nat.Chem.Biol., 2023
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5BKJ
 | | TPeA-bound closed MthK channel in nanodisc | | Descriptor: | (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate, 1-(tripentyl-$l^{4}-azanyl)pentane, Calcium-gated potassium channel MthK, ... | | Authors: | Fan, C, Nimigean, C.M. | | Deposit date: | 2021-03-19 | | Release date: | 2022-09-21 | | Last modified: | 2023-10-04 | | Method: | ELECTRON MICROSCOPY (3.5 Å) | | Cite: | Calcium-gated potassium channel blockade via membrane-facing fenestrations.
Nat.Chem.Biol., 2023
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