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KCSA POTASSIUM CHANNEL WITH TBA (TETRABUTYLAMMONIUM) AND RUBIDIUM
Descriptor:	RUBIDIUM ION, TETRABUTYLAMMONIUM ION, Voltage-gated potassium channel
Authors:	Morais-Cabral, J.H, Zhou, Y, MacKinnon, R.
Deposit date:	2001-08-30
Release date:	2001-12-05
Last modified:	2023-08-16
Method:	X-RAY DIFFRACTION (2.8 Å)
Cite:	Energetic optimization of ion conduction rate by the K+ selectivity filter. Nature, 414, 2001

1J95

KCSA potassium channel with TBA (tetrabutylammonium) and potassium
Descriptor:	POTASSIUM ION, TETRABUTYLAMMONIUM ION, VOLTAGE-GATED POTASSIUM CHANNEL
Authors:	Morais-Cabral, J.H, MacKinnon, R, Zhou, M.
Deposit date:	2001-05-23
Release date:	2001-06-13
Last modified:	2023-08-16
Method:	X-RAY DIFFRACTION (2.8 Å)
Cite:	Potassium channel receptor site for the inactivation gate and quaternary amine inhibitors Nature, 411, 2001

5BUT

Crystal structure of inactive conformation of KtrAB K+ transporter
Descriptor:	Ktr system potassium uptake protein A,Ktr system potassium uptake protein A, Ktr system potassium uptake protein B, POTASSIUM ION
Authors:	Vieira-Pires, R.S, Morais-Cabral, J.H.
Deposit date:	2015-06-04
Release date:	2016-01-27
Last modified:	2024-01-10
Method:	X-RAY DIFFRACTION (5.97 Å)
Cite:	Dissecting the Molecular Mechanism of Nucleotide-Dependent Activation of the KtrAB K+ Transporter. Plos Biol., 14, 2016

1U12

M. loti cyclic nucleotide binding domain mutant
Descriptor:	IODIDE ION, POTASSIUM ION, SULFATE ION, ...
Authors:	Clayton, G.M, Silverman, W.R, Heginbotham, L, Morais-Cabral, J.H.
Deposit date:	2004-07-14
Release date:	2004-11-30
Last modified:	2024-02-14
Method:	X-RAY DIFFRACTION (2.7 Å)
Cite:	Structural Basis of Ligand Activation in a Cyclic Nucleotide Regulated Potassium Channel Cell(Cambridge,Mass.), 119, 2004

8POO

Low resolution structure of inactive conformation of the Ktr cation channel in presence of ATP and c-di-AMP
Descriptor:	Ktr system potassium uptake protein A, Ktr system potassium uptake protein B
Authors:	Cereija, T.B, Teixeira-Duarte, C.M, Morais-Cabral, J.H.
Deposit date:	2023-07-05
Release date:	2024-05-15
Method:	X-RAY DIFFRACTION (5.77 Å)
Cite:	c-di-AMP determines the hierarchical organization of bacterial RCK proteins. Proc.Natl.Acad.Sci.USA, 121, 2024

4F8A

Cyclic nucleotide binding-homology domain from mouse EAG1 potassium channel
Descriptor:	Potassium voltage-gated channel subfamily H member 1
Authors:	Marques-Carvalho, M.J, Sahoo, N, Muskett, F.W, Vieira-Pires, R.S, Gabant, G, Cadene, M, Schonherr, R, Morais-Cabral, J.H.
Deposit date:	2012-05-17
Release date:	2012-07-11
Last modified:	2024-02-28
Method:	X-RAY DIFFRACTION (2.2 Å)
Cite:	Structural, Biochemical, and Functional Characterization of the Cyclic Nucleotide Binding Homology Domain from the Mouse EAG1 Potassium Channel. J.Mol.Biol., 423, 2012

4HOI

Crystal structure of PAS domain from the mouse EAG1 potassium channel
Descriptor:	Potassium voltage-gated channel subfamily H member 1, SULFATE ION
Authors:	Adaixo, R, Morais-Cabral, J.H.
Deposit date:	2012-10-22
Release date:	2013-03-27
Last modified:	2023-11-08
Method:	X-RAY DIFFRACTION (1.85 Å)
Cite:	Structural properties of PAS domains from the KCNH potassium channels Plos One, 8, 2013

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

1K4C

Potassium Channel KcsA-Fab complex in high concentration of K+
Descriptor:	DIACYL GLYCEROL, NONAN-1-OL, POTASSIUM ION, ...
Authors:	Zhou, Y, Morais-Cabral, J.H, Kaufman, A, MacKinnon, R.
Deposit date:	2001-10-07
Release date:	2001-11-14
Last modified:	2024-10-30
Method:	X-RAY DIFFRACTION (2 Å)
Cite:	Chemistry of ion coordination and hydration revealed by a K+ channel-Fab complex at 2.0 A resolution. Nature, 414, 2001

1K4D

Potassium Channel KcsA-Fab complex in low concentration of K+
Descriptor:	DIACYL GLYCEROL, NONAN-1-OL, POTASSIUM ION, ...
Authors:	Zhou, Y, Morais-Cabral, J.H, Kaufman, A, MacKinnon, R.
Deposit date:	2001-10-07
Release date:	2001-11-14
Last modified:	2021-10-27
Method:	X-RAY DIFFRACTION (2.3 Å)
Cite:	Chemistry of ion coordination and hydration revealed by a K+ channel-Fab complex at 2.0 A resolution. Nature, 414, 2001

4HP9

Crystal structure of the N-terminal truncated PAS domain from the hERG potassium channel
Descriptor:	Potassium voltage-gated channel subfamily H member 2
Authors:	Adaixo, R, Morais-Cabral, J.H, Harley, C.A.
Deposit date:	2012-10-23
Release date:	2013-03-27
Last modified:	2023-11-08
Method:	X-RAY DIFFRACTION (2.12 Å)
Cite:	Structural properties of PAS domains from the KCNH potassium channels Plos One, 8, 2013

2HMW

Square-shaped octameric ring structure of an RCK domain with ATP bound
Descriptor:	ADENOSINE-5'-TRIPHOSPHATE, YuaA protein
Authors:	Albright, R.A, Morais-Cabral, J.H.
Deposit date:	2006-07-11
Release date:	2006-09-26
Last modified:	2023-08-30
Method:	X-RAY DIFFRACTION (3 Å)
Cite:	The RCK Domain of the KtrAB K(+) Transporter: Multiple Conformations of an Octameric Ring. Cell(Cambridge,Mass.), 126, 2006

2HMT

Diamond-shaped octameric ring structure of an RCK domain with NADH bound
Descriptor:	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE, YuaA protein
Authors:	Albright, R.A, Morais-Cabral, J.H.
Deposit date:	2006-07-11
Release date:	2006-09-26
Last modified:	2023-08-30
Method:	X-RAY DIFFRACTION (2.2 Å)
Cite:	The RCK Domain of the KtrAB K(+) Transporter: Multiple Conformations of an Octameric Ring. Cell(Cambridge,Mass.), 126, 2006

2HMU

Diamond-shaped octameric ring structure of an RCK domain with ATP bound
Descriptor:	ADENOSINE-5'-TRIPHOSPHATE, YuaA protein
Authors:	Albright, R.A, Morais-Cabral, J.H.
Deposit date:	2006-07-11
Release date:	2006-09-26
Last modified:	2023-08-30
Method:	X-RAY DIFFRACTION (2.25 Å)
Cite:	The RCK Domain of the KtrAB K(+) Transporter: Multiple Conformations of an Octameric Ring. Cell(Cambridge,Mass.), 126, 2006

2HMS

Rectangular-shaped octameric ring structure of an RCK domain with NADH bound
Descriptor:	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE, YuaA protein
Authors:	Albright, R.A, Morais-Cabral, J.H.
Deposit date:	2006-07-11
Release date:	2006-09-26
Last modified:	2023-08-30
Method:	X-RAY DIFFRACTION (2.7 Å)
Cite:	The RCK Domain of the KtrAB K(+) Transporter: Multiple Conformations of an Octameric Ring. Cell(Cambridge,Mass.), 126, 2006

2HMV

Diamond-shaped octameric ring structure of an RCK domain with ADP bound
Descriptor:	ADENOSINE-5'-DIPHOSPHATE, YuaA protein
Authors:	Albright, R.A, Morais-Cabral, J.H.
Deposit date:	2006-07-11
Release date:	2006-09-26
Last modified:	2023-08-30
Method:	X-RAY DIFFRACTION (2.2 Å)
Cite:	The RCK Domain of the KtrAB K(+) Transporter: Multiple Conformations of an Octameric Ring. Cell(Cambridge,Mass.), 126, 2006

4HQA

Crystal structure of PAS domain from the human ERG (hERG) potassium channel
Descriptor:	Potassium voltage-gated channel subfamily H member 2
Authors:	Adaixo, R, Morais-Cabral, J.H, Harley, C.A.
Deposit date:	2012-10-25
Release date:	2013-03-27
Last modified:	2023-11-08
Method:	X-RAY DIFFRACTION (1.96 Å)
Cite:	Structural properties of PAS domains from the KCNH potassium channels Plos One, 8, 2013

4HP4

Crystal structure of PAS domain from the fruit-fly ELK potassium channel
Descriptor:	Eag-like K[+] channel, GLYCEROL, SULFATE ION
Authors:	Adaixo, R, Morais-Cabral, J.H.
Deposit date:	2012-10-23
Release date:	2013-03-27
Last modified:	2023-11-08
Method:	X-RAY DIFFRACTION (2 Å)
Cite:	Structural properties of PAS domains from the KCNH potassium channels Plos One, 8, 2013

4J7C

KtrAB potassium transporter from Bacillus subtilis
Descriptor:	ADENOSINE-5'-TRIPHOSPHATE, Ktr system potassium uptake protein A, Ktr system potassium uptake protein B, ...
Authors:	Vieira-Pires, R.S, Morais-Cabral, J.H.
Deposit date:	2013-02-13
Release date:	2013-04-17
Last modified:	2023-11-08
Method:	X-RAY DIFFRACTION (3.5 Å)
Cite:	The structure of the KtrAB potassium transporter Nature, 496, 2013

4J91

Diamond-shaped octameric structure of KtrA with ADP bound
Descriptor:	ADENOSINE-5'-DIPHOSPHATE, Ktr system potassium uptake protein A
Authors:	Vieira-Pires, R.S, Morais-Cabral, J.H.
Deposit date:	2013-02-15
Release date:	2013-04-17
Last modified:	2023-11-08
Method:	X-RAY DIFFRACTION (2.93 Å)
Cite:	The structure of the KtrAB potassium transporter Nature, 496, 2013

4J90

Square-shaped octameric structure of KtrA with ATP bound
Descriptor:	ADENOSINE-5'-TRIPHOSPHATE, Ktr system potassium uptake protein A
Authors:	Vieira-Pires, R.S, Morais-Cabral, J.H.
Deposit date:	2013-02-15
Release date:	2013-04-17
Last modified:	2024-03-20
Method:	X-RAY DIFFRACTION (3.24 Å)
Cite:	The structure of the KtrAB potassium transporter Nature, 496, 2013

7AGY

Structure of the N-domain of the K+/H+ antiporter subunit KhtT at pH 8.5
Descriptor:	K(+)/H(+) antiporter subunit KhtT
Authors:	Cereija, T.B, Morais-Cabral, J.H.
Deposit date:	2020-09-23
Release date:	2021-03-31
Last modified:	2024-01-31
Method:	X-RAY DIFFRACTION (1.54 Å)
Cite:	c-di-AMP, a likely master regulator of bacterial K + homeostasis machinery, activates a K + exporter. Proc.Natl.Acad.Sci.USA, 118, 2021

7AHT

Structure of the N-domain of the K+/H+ antiporter subunit KhtT at pH 7.5
Descriptor:	K(+)/H(+) antiporter subunit KhtT
Authors:	Cereija, T.B, Morais-Cabral, J.H.
Deposit date:	2020-09-25
Release date:	2021-03-31
Last modified:	2024-01-31
Method:	X-RAY DIFFRACTION (2.16 Å)
Cite:	c-di-AMP, a likely master regulator of bacterial K + homeostasis machinery, activates a K + exporter. Proc.Natl.Acad.Sci.USA, 118, 2021

7AGV

High-resolution structure of the K+/H+ antiporter subunit KhtT in complex with c-di-AMP
Descriptor:	(2R,3R,3aS,5R,7aR,9R,10R,10aS,12R,14aR)-2,9-bis(6-amino-9H-purin-9-yl)octahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8 ]tetraoxadiphosphacyclododecine-3,5,10,12-tetrol 5,12-dioxide, ACETATE ION, CALCIUM ION, ...
Authors:	Cereija, T.B, Guerra, J.P, Morais-Cabral, J.H.
Deposit date:	2020-09-23
Release date:	2021-03-31
Last modified:	2024-05-01
Method:	X-RAY DIFFRACTION (1.85 Å)
Cite:	c-di-AMP, a likely master regulator of bacterial K + homeostasis machinery, activates a K + exporter. Proc.Natl.Acad.Sci.USA, 118, 2021

7AGW

Structure of the N-domain of the K+/H+ antiporter subunit KhtT at pH 6.5
Descriptor:	K(+)/H(+) antiporter subunit KhtT
Authors:	Cereija, T.B, Morais-Cabral, J.H.
Deposit date:	2020-09-23
Release date:	2021-03-31
Last modified:	2024-01-31
Method:	X-RAY DIFFRACTION (1.511 Å)
Cite:	c-di-AMP, a likely master regulator of bacterial K + homeostasis machinery, activates a K + exporter. Proc.Natl.Acad.Sci.USA, 118, 2021

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