1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Liu, Y.-S.
Sompornpisut, P.
Perozo, E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
Nat.Struct.Biol.
NSBIEW
2024
1072-8368
8
883
887
10.1038/nsb1001-883
11573095
Structure of the KcsA channel intracellular gate in the open state.
2001
TO BE PUBLISHED
0353
Calculation of Rigid Body Conformational Changes Using Restraint-Driven Cartesian Transformations
US
Science
SCIEAS
0038
0036-8075
285
73
78
10.1126/science.285.5424.73
Structural Rearrangements Underlying K+-Channel Activation Gating
1999
US
Science
SCIEAS
0038
0036-8075
280
69
77
10.1126/science.280.5360.69
The Structure of the Potassium Channel: Molecular Basis of K+ Conduction and Selectivity
1998
10.2210/pdb1jq1/pdb
pdb_00001jq1
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
SINGLE WAVELENGTH
M
1
1.0
3611.283
VOLTAGE-GATED POTASSIUM CHANNEL
INNER TRANSMEMBRANE SEGMENT (residues 86-119)
4
man
polymer
no
no
LWGRCVAVVVMVAGITSFGLVTAALATWFVGREQ
LWGRCVAVVVMVAGITSFGLVTAALATWFVGREQ
A,B,C,D
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Streptomyces
Escherichia
sample
1916
Streptomyces lividans
562
Escherichia coli
XL-2 BLUE
PLASMID
PQE32
database_2
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
struct_ref_seq_dif
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2001-10-03
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
_struct_ref_seq_dif.details
CA ATOMS ONLY
CA ATOMS ONLY
CA ATOMS ONLY
CA ATOMS ONLY
1JQ2 contains the ensemble
The structure contains only alpha-carbons because
the experimental data used to calculate the structures
are good enough only to the backbone level.
RCSB
Y
RCSB
2001-08-03
REL
1
CONTINUOUS WAVE EPR
20 mM CITRATE PHOSPHATE
7.0
1
atm
150.0
K
20 mM CITRATE PHOSPHATE
4.0
1
atm
150.0
K
THE STRUCTURE ARE BASED ON: 1) TEN PAIRS OF INTER-SUBUNIT DISTANCES FOR THE KCSA INNER
HELICAL BUNDLE IN THE CLOSED AND THE OPEN STATES AND 2) THE USE OF THE CRYSTAL STRUCTURE
AS THE CHANNEL IN THE CLOSED STATE, AND AS THE REFERENCE STRUCTURE. THE COMPUTER PROGRAM
REDCAT SEARCHES (RESTRAINT-DRIVEN CARTESIAN TRANSFORMATION) BASED ON THE EXHAUSTIVE SAMPLING
OF RIGID-BODY MOVEMENT IN CARTESIAN SPACE FOR THE TM2 INNER BUNDLE IN THE OPEN STATE WERE
ALLOWED TO CONVERGE TO A MINIMAL PENALTY VALUE. THE ENSEMBLE OF THE 50 LOWEST PENALTY
CONFORMERS WAS SUBJECTED TO MOLECULAR MECHANIC ENERGY MINIMIZATION. FINAL REFINEMENT WAS
PERFORMED ON THE AVERAGE OPEN HELICAL BUNDLE BY ENERGY MINIMIZATION.
FOURIER DECONVOLUTION, CONFORMATIONAL GRID SEARCH A CARTESAIN
REPRESENTATION MOLECULAR MECHANIC ENERGY MINIMIZATION
minimized average structure
1.0 MG/ML MIXED WITH METHANETHIOSULFONATE SPIN LABEL
THE SAMPLES WERE RECONSTITUTED INTO ASOLECTIN LIPOSOMES AT A 1:400 PROTEIN:LIPID RATIO
D.A.CASE ET.AL.
refinement
Amber
6.0
BRUKER
processing
EPR AQUISIT
2.32
P.SOMPORNPISUT ET.AL.
structure solution
REDCAT
3400
Bruker
EMX
LEU
86
n
1
LEU
86
A
TRP
87
n
2
TRP
87
A
GLY
88
n
3
GLY
88
A
ARG
89
n
4
ARG
89
A
CYS
90
n
5
CYS
90
A
VAL
91
n
6
VAL
91
A
ALA
92
n
7
ALA
92
A
VAL
93
n
8
VAL
93
A
VAL
94
n
9
VAL
94
A
VAL
95
n
10
VAL
95
A
MET
96
n
11
MET
96
A
VAL
97
n
12
VAL
97
A
ALA
98
n
13
ALA
98
A
GLY
99
n
14
GLY
99
A
ILE
100
n
15
ILE
100
A
THR
101
n
16
THR
101
A
SER
102
n
17
SER
102
A
PHE
103
n
18
PHE
103
A
GLY
104
n
19
GLY
104
A
LEU
105
n
20
LEU
105
A
VAL
106
n
21
VAL
106
A
THR
107
n
22
THR
107
A
ALA
108
n
23
ALA
108
A
ALA
109
n
24
ALA
109
A
LEU
110
n
25
LEU
110
A
ALA
111
n
26
ALA
111
A
THR
112
n
27
THR
112
A
TRP
113
n
28
TRP
113
A
PHE
114
n
29
PHE
114
A
VAL
115
n
30
VAL
115
A
GLY
116
n
31
GLY
116
A
ARG
117
n
32
ARG
117
A
GLU
118
n
33
GLU
118
A
GLN
119
n
34
GLN
119
A
LEU
86
n
1
LEU
86
B
TRP
87
n
2
TRP
87
B
GLY
88
n
3
GLY
88
B
ARG
89
n
4
ARG
89
B
CYS
90
n
5
CYS
90
B
VAL
91
n
6
VAL
91
B
ALA
92
n
7
ALA
92
B
VAL
93
n
8
VAL
93
B
VAL
94
n
9
VAL
94
B
VAL
95
n
10
VAL
95
B
MET
96
n
11
MET
96
B
VAL
97
n
12
VAL
97
B
ALA
98
n
13
ALA
98
B
GLY
99
n
14
GLY
99
B
ILE
100
n
15
ILE
100
B
THR
101
n
16
THR
101
B
SER
102
n
17
SER
102
B
PHE
103
n
18
PHE
103
B
GLY
104
n
19
GLY
104
B
LEU
105
n
20
LEU
105
B
VAL
106
n
21
VAL
106
B
THR
107
n
22
THR
107
B
ALA
108
n
23
ALA
108
B
ALA
109
n
24
ALA
109
B
LEU
110
n
25
LEU
110
B
ALA
111
n
26
ALA
111
B
THR
112
n
27
THR
112
B
TRP
113
n
28
TRP
113
B
PHE
114
n
29
PHE
114
B
VAL
115
n
30
VAL
115
B
GLY
116
n
31
GLY
116
B
ARG
117
n
32
ARG
117
B
GLU
118
n
33
GLU
118
B
GLN
119
n
34
GLN
119
B
LEU
86
n
1
LEU
86
C
TRP
87
n
2
TRP
87
C
GLY
88
n
3
GLY
88
C
ARG
89
n
4
ARG
89
C
CYS
90
n
5
CYS
90
C
VAL
91
n
6
VAL
91
C
ALA
92
n
7
ALA
92
C
VAL
93
n
8
VAL
93
C
VAL
94
n
9
VAL
94
C
VAL
95
n
10
VAL
95
C
MET
96
n
11
MET
96
C
VAL
97
n
12
VAL
97
C
ALA
98
n
13
ALA
98
C
GLY
99
n
14
GLY
99
C
ILE
100
n
15
ILE
100
C
THR
101
n
16
THR
101
C
SER
102
n
17
SER
102
C
PHE
103
n
18
PHE
103
C
GLY
104
n
19
GLY
104
C
LEU
105
n
20
LEU
105
C
VAL
106
n
21
VAL
106
C
THR
107
n
22
THR
107
C
ALA
108
n
23
ALA
108
C
ALA
109
n
24
ALA
109
C
LEU
110
n
25
LEU
110
C
ALA
111
n
26
ALA
111
C
THR
112
n
27
THR
112
C
TRP
113
n
28
TRP
113
C
PHE
114
n
29
PHE
114
C
VAL
115
n
30
VAL
115
C
GLY
116
n
31
GLY
116
C
ARG
117
n
32
ARG
117
C
GLU
118
n
33
GLU
118
C
GLN
119
n
34
GLN
119
C
LEU
86
n
1
LEU
86
D
TRP
87
n
2
TRP
87
D
GLY
88
n
3
GLY
88
D
ARG
89
n
4
ARG
89
D
CYS
90
n
5
CYS
90
D
VAL
91
n
6
VAL
91
D
ALA
92
n
7
ALA
92
D
VAL
93
n
8
VAL
93
D
VAL
94
n
9
VAL
94
D
VAL
95
n
10
VAL
95
D
MET
96
n
11
MET
96
D
VAL
97
n
12
VAL
97
D
ALA
98
n
13
ALA
98
D
GLY
99
n
14
GLY
99
D
ILE
100
n
15
ILE
100
D
THR
101
n
16
THR
101
D
SER
102
n
17
SER
102
D
PHE
103
n
18
PHE
103
D
GLY
104
n
19
GLY
104
D
LEU
105
n
20
LEU
105
D
VAL
106
n
21
VAL
106
D
THR
107
n
22
THR
107
D
ALA
108
n
23
ALA
108
D
ALA
109
n
24
ALA
109
D
LEU
110
n
25
LEU
110
D
ALA
111
n
26
ALA
111
D
THR
112
n
27
THR
112
D
TRP
113
n
28
TRP
113
D
PHE
114
n
29
PHE
114
D
VAL
115
n
30
VAL
115
D
GLY
116
n
31
GLY
116
D
ARG
117
n
32
ARG
117
D
GLU
118
n
33
GLU
118
D
GLN
119
n
34
GLN
119
D
author_defined_assembly
4
tetrameric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
identity operation
0.0000000000
0.0000000000
0.0000000000
minimized average
POTASSIUM CHANNEL (KCSA) OPEN GATE MODEL
1
N
N
1
N
N
1
N
N
1
N
N
MEMBRANE PROTEIN
POTASSIUM CHANNEL, INTEGRAL MEMBRANE PROTEIN, OPEN STATE, MEMBRANE PROTEIN
KCSA_STRLI
UNP
1
86
P0A334
LWGRLVAVVVMVAGITSFGLVTAALATWFVGREQ
86
119
1JQ1
86
119
P0A334
A
1
1
34
86
119
1JQ1
86
119
P0A334
B
1
1
34
86
119
1JQ1
86
119
P0A334
C
1
1
34
86
119
1JQ1
86
119
P0A334
D
1
1
34
1
LEU
engineered mutation
CYS
90
1JQ1
A
P0A334
UNP
90
5
2
LEU
engineered mutation
CYS
90
1JQ1
B
P0A334
UNP
90
5
3
LEU
engineered mutation
CYS
90
1JQ1
C
P0A334
UNP
90
5
4
LEU
engineered mutation
CYS
90
1JQ1
D
P0A334
UNP
90
5