1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Cortes, D.M.
Perozo, E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
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 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
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
C5 H9 N O2
115.130
y
PROLINE
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
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
J.Gen.Physiol.
0022-1295
117
165
180
10.1085/jgp.117.2.165
11158168
Molecular architecture of full-length KcsA: role of cytoplasmic domains in ion permeation and activation gating.
2001
10.2210/pdb1f6g/pdb
pdb_00001f6g
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
17535.375
VOLTAGE-GATED POTASSIUM CHANNEL
FULL-LENGTH CHANNEL
CYS SCANNING: 5-24, 120-160
4
man
polymer
no
no
MPPMLSGLLARLVKLLLGRHGSALHWAAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPAALWWSVETATTVGYGD
LYPVTLWGRCVAVVVMVAGITSFGLVTAALATWFVGREQERRGHFVRHSEKAAEEAYTRTTRALHERFDRLERMLDDNRR
MPPMLSGLLARLVKLLLGRHGSALHWAAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPAALWWSVETATTVGYGD
LYPVTLWGRCVAVVVMVAGITSFGLVTAALATWFVGREQERRGHFVRHSEKAAEEAYTRTTRALHERFDRLERMLDDNRR
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
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
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
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
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
PLASMID
PQE32
database_2
pdbx_nmr_software
struct_ref_seq_dif
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
1
0
2001-02-21
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-11-03
_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
RCSB
Y
RCSB
2000-06-21
REL
This structure was determined using secondary structure assignments from frequency analysis of solvent accessibility data and tertiary and quaternary structural information from spin-spin dipolar couplings
structures with the lowest energy
32
8
Power Saturation Experiments in 21% O2 or 10 mM NiEdda
Dipolar couplings derived from underlabeled samples
50-100 mM
7.2
ambient
293
K
structures are based on a total of 438 restraints, with 84 intra-subunit distance constraints per subunit and 15 inter-subunit constraints
simulated annealing
4
closest to the average
50-100 uM KcsA, PBS pH 7.2, reconstituted into asolectin vesicles at a 1:500 protein:lipid ratio (molar)
100% H2O
Bruker Instruments
collection
EPR Aquisit
2.32
MSI
structure solution
Discover
3
MSI
refinement
Discover
3
3400
Bruker
EMX
MET
1
n
1
MET
1
A
PRO
2
n
2
PRO
2
A
PRO
3
n
3
PRO
3
A
MET
4
n
4
MET
4
A
LEU
5
n
5
LEU
5
A
SER
6
n
6
SER
6
A
GLY
7
n
7
GLY
7
A
LEU
8
n
8
LEU
8
A
LEU
9
n
9
LEU
9
A
ALA
10
n
10
ALA
10
A
ARG
11
n
11
ARG
11
A
LEU
12
n
12
LEU
12
A
VAL
13
n
13
VAL
13
A
LYS
14
n
14
LYS
14
A
LEU
15
n
15
LEU
15
A
LEU
16
n
16
LEU
16
A
LEU
17
n
17
LEU
17
A
GLY
18
n
18
GLY
18
A
ARG
19
n
19
ARG
19
A
HIS
20
n
20
HIS
20
A
GLY
21
n
21
GLY
21
A
SER
22
n
22
SER
22
A
ALA
23
n
23
ALA
23
A
LEU
24
n
24
LEU
24
A
HIS
25
n
25
HIS
25
A
TRP
26
n
26
TRP
26
A
ALA
27
n
27
ALA
27
A
ALA
28
n
28
ALA
28
A
ALA
29
n
29
ALA
29
A
GLY
30
n
30
GLY
30
A
ALA
31
n
31
ALA
31
A
ALA
32
n
32
ALA
32
A
THR
33
n
33
THR
33
A
VAL
34
n
34
VAL
34
A
LEU
35
n
35
LEU
35
A
LEU
36
n
36
LEU
36
A
VAL
37
n
37
VAL
37
A
ILE
38
n
38
ILE
38
A
VAL
39
n
39
VAL
39
A
LEU
40
n
40
LEU
40
A
LEU
41
n
41
LEU
41
A
ALA
42
n
42
ALA
42
A
GLY
43
n
43
GLY
43
A
SER
44
n
44
SER
44
A
TYR
45
n
45
TYR
45
A
LEU
46
n
46
LEU
46
A
ALA
47
n
47
ALA
47
A
VAL
48
n
48
VAL
48
A
LEU
49
n
49
LEU
49
A
ALA
50
n
50
ALA
50
A
GLU
51
n
51
GLU
51
A
ARG
52
n
52
ARG
52
A
GLY
53
n
53
GLY
53
A
ALA
54
n
54
ALA
54
A
PRO
55
n
55
PRO
55
A
GLY
56
n
56
GLY
56
A
ALA
57
n
57
ALA
57
A
GLN
58
n
58
GLN
58
A
LEU
59
n
59
LEU
59
A
ILE
60
n
60
ILE
60
A
THR
61
n
61
THR
61
A
TYR
62
n
62
TYR
62
A
PRO
63
n
63
PRO
63
A
ALA
64
n
64
ALA
64
A
ALA
65
n
65
ALA
65
A
LEU
66
n
66
LEU
66
A
TRP
67
n
67
TRP
67
A
TRP
68
n
68
TRP
68
A
SER
69
n
69
SER
69
A
VAL
70
n
70
VAL
70
A
GLU
71
n
71
GLU
71
A
THR
72
n
72
THR
72
A
ALA
73
n
73
ALA
73
A
THR
74
n
74
THR
74
A
THR
75
n
75
THR
75
A
VAL
76
n
76
VAL
76
A
GLY
77
n
77
GLY
77
A
TYR
78
n
78
TYR
78
A
GLY
79
n
79
GLY
79
A
ASP
80
n
80
ASP
80
A
LEU
81
n
81
LEU
81
A
TYR
82
n
82
TYR
82
A
PRO
83
n
83
PRO
83
A
VAL
84
n
84
VAL
84
A
THR
85
n
85
THR
85
A
LEU
86
n
86
LEU
86
A
TRP
87
n
87
TRP
87
A
GLY
88
n
88
GLY
88
A
ARG
89
n
89
ARG
89
A
CYS
90
n
90
CYS
90
A
VAL
91
n
91
VAL
91
A
ALA
92
n
92
ALA
92
A
VAL
93
n
93
VAL
93
A
VAL
94
n
94
VAL
94
A
VAL
95
n
95
VAL
95
A
MET
96
n
96
MET
96
A
VAL
97
n
97
VAL
97
A
ALA
98
n
98
ALA
98
A
GLY
99
n
99
GLY
99
A
ILE
100
n
100
ILE
100
A
THR
101
n
101
THR
101
A
SER
102
n
102
SER
102
A
PHE
103
n
103
PHE
103
A
GLY
104
n
104
GLY
104
A
LEU
105
n
105
LEU
105
A
VAL
106
n
106
VAL
106
A
THR
107
n
107
THR
107
A
ALA
108
n
108
ALA
108
A
ALA
109
n
109
ALA
109
A
LEU
110
n
110
LEU
110
A
ALA
111
n
111
ALA
111
A
THR
112
n
112
THR
112
A
TRP
113
n
113
TRP
113
A
PHE
114
n
114
PHE
114
A
VAL
115
n
115
VAL
115
A
GLY
116
n
116
GLY
116
A
ARG
117
n
117
ARG
117
A
GLU
118
n
118
GLU
118
A
GLN
119
n
119
GLN
119
A
GLU
120
n
120
GLU
120
A
ARG
121
n
121
ARG
121
A
ARG
122
n
122
ARG
122
A
GLY
123
n
123
GLY
123
A
HIS
124
n
124
HIS
124
A
PHE
125
n
125
PHE
125
A
VAL
126
n
126
VAL
126
A
ARG
127
n
127
ARG
127
A
HIS
128
n
128
HIS
128
A
SER
129
n
129
SER
129
A
GLU
130
n
130
GLU
130
A
LYS
131
n
131
LYS
131
A
ALA
132
n
132
ALA
132
A
ALA
133
n
133
ALA
133
A
GLU
134
n
134
GLU
134
A
GLU
135
n
135
GLU
135
A
ALA
136
n
136
ALA
136
A
TYR
137
n
137
TYR
137
A
THR
138
n
138
THR
138
A
ARG
139
n
139
ARG
139
A
THR
140
n
140
THR
140
A
THR
141
n
141
THR
141
A
ARG
142
n
142
ARG
142
A
ALA
143
n
143
ALA
143
A
LEU
144
n
144
LEU
144
A
HIS
145
n
145
HIS
145
A
GLU
146
n
146
GLU
146
A
ARG
147
n
147
ARG
147
A
PHE
148
n
148
PHE
148
A
ASP
149
n
149
ASP
149
A
ARG
150
n
150
ARG
150
A
LEU
151
n
151
LEU
151
A
GLU
152
n
152
GLU
152
A
ARG
153
n
153
ARG
153
A
MET
154
n
154
MET
154
A
LEU
155
n
155
LEU
155
A
ASP
156
n
156
ASP
156
A
ASP
157
n
157
ASP
157
A
ASN
158
n
158
ASN
158
A
ARG
159
n
159
ARG
159
A
ARG
160
n
160
ARG
160
A
MET
1
n
1
MET
1
B
PRO
2
n
2
PRO
2
B
PRO
3
n
3
PRO
3
B
MET
4
n
4
MET
4
B
LEU
5
n
5
LEU
5
B
SER
6
n
6
SER
6
B
GLY
7
n
7
GLY
7
B
LEU
8
n
8
LEU
8
B
LEU
9
n
9
LEU
9
B
ALA
10
n
10
ALA
10
B
ARG
11
n
11
ARG
11
B
LEU
12
n
12
LEU
12
B
VAL
13
n
13
VAL
13
B
LYS
14
n
14
LYS
14
B
LEU
15
n
15
LEU
15
B
LEU
16
n
16
LEU
16
B
LEU
17
n
17
LEU
17
B
GLY
18
n
18
GLY
18
B
ARG
19
n
19
ARG
19
B
HIS
20
n
20
HIS
20
B
GLY
21
n
21
GLY
21
B
SER
22
n
22
SER
22
B
ALA
23
n
23
ALA
23
B
LEU
24
n
24
LEU
24
B
HIS
25
n
25
HIS
25
B
TRP
26
n
26
TRP
26
B
ALA
27
n
27
ALA
27
B
ALA
28
n
28
ALA
28
B
ALA
29
n
29
ALA
29
B
GLY
30
n
30
GLY
30
B
ALA
31
n
31
ALA
31
B
ALA
32
n
32
ALA
32
B
THR
33
n
33
THR
33
B
VAL
34
n
34
VAL
34
B
LEU
35
n
35
LEU
35
B
LEU
36
n
36
LEU
36
B
VAL
37
n
37
VAL
37
B
ILE
38
n
38
ILE
38
B
VAL
39
n
39
VAL
39
B
LEU
40
n
40
LEU
40
B
LEU
41
n
41
LEU
41
B
ALA
42
n
42
ALA
42
B
GLY
43
n
43
GLY
43
B
SER
44
n
44
SER
44
B
TYR
45
n
45
TYR
45
B
LEU
46
n
46
LEU
46
B
ALA
47
n
47
ALA
47
B
VAL
48
n
48
VAL
48
B
LEU
49
n
49
LEU
49
B
ALA
50
n
50
ALA
50
B
GLU
51
n
51
GLU
51
B
ARG
52
n
52
ARG
52
B
GLY
53
n
53
GLY
53
B
ALA
54
n
54
ALA
54
B
PRO
55
n
55
PRO
55
B
GLY
56
n
56
GLY
56
B
ALA
57
n
57
ALA
57
B
GLN
58
n
58
GLN
58
B
LEU
59
n
59
LEU
59
B
ILE
60
n
60
ILE
60
B
THR
61
n
61
THR
61
B
TYR
62
n
62
TYR
62
B
PRO
63
n
63
PRO
63
B
ALA
64
n
64
ALA
64
B
ALA
65
n
65
ALA
65
B
LEU
66
n
66
LEU
66
B
TRP
67
n
67
TRP
67
B
TRP
68
n
68
TRP
68
B
SER
69
n
69
SER
69
B
VAL
70
n
70
VAL
70
B
GLU
71
n
71
GLU
71
B
THR
72
n
72
THR
72
B
ALA
73
n
73
ALA
73
B
THR
74
n
74
THR
74
B
THR
75
n
75
THR
75
B
VAL
76
n
76
VAL
76
B
GLY
77
n
77
GLY
77
B
TYR
78
n
78
TYR
78
B
GLY
79
n
79
GLY
79
B
ASP
80
n
80
ASP
80
B
LEU
81
n
81
LEU
81
B
TYR
82
n
82
TYR
82
B
PRO
83
n
83
PRO
83
B
VAL
84
n
84
VAL
84
B
THR
85
n
85
THR
85
B
LEU
86
n
86
LEU
86
B
TRP
87
n
87
TRP
87
B
GLY
88
n
88
GLY
88
B
ARG
89
n
89
ARG
89
B
CYS
90
n
90
CYS
90
B
VAL
91
n
91
VAL
91
B
ALA
92
n
92
ALA
92
B
VAL
93
n
93
VAL
93
B
VAL
94
n
94
VAL
94
B
VAL
95
n
95
VAL
95
B
MET
96
n
96
MET
96
B
VAL
97
n
97
VAL
97
B
ALA
98
n
98
ALA
98
B
GLY
99
n
99
GLY
99
B
ILE
100
n
100
ILE
100
B
THR
101
n
101
THR
101
B
SER
102
n
102
SER
102
B
PHE
103
n
103
PHE
103
B
GLY
104
n
104
GLY
104
B
LEU
105
n
105
LEU
105
B
VAL
106
n
106
VAL
106
B
THR
107
n
107
THR
107
B
ALA
108
n
108
ALA
108
B
ALA
109
n
109
ALA
109
B
LEU
110
n
110
LEU
110
B
ALA
111
n
111
ALA
111
B
THR
112
n
112
THR
112
B
TRP
113
n
113
TRP
113
B
PHE
114
n
114
PHE
114
B
VAL
115
n
115
VAL
115
B
GLY
116
n
116
GLY
116
B
ARG
117
n
117
ARG
117
B
GLU
118
n
118
GLU
118
B
GLN
119
n
119
GLN
119
B
GLU
120
n
120
GLU
120
B
ARG
121
n
121
ARG
121
B
ARG
122
n
122
ARG
122
B
GLY
123
n
123
GLY
123
B
HIS
124
n
124
HIS
124
B
PHE
125
n
125
PHE
125
B
VAL
126
n
126
VAL
126
B
ARG
127
n
127
ARG
127
B
HIS
128
n
128
HIS
128
B
SER
129
n
129
SER
129
B
GLU
130
n
130
GLU
130
B
LYS
131
n
131
LYS
131
B
ALA
132
n
132
ALA
132
B
ALA
133
n
133
ALA
133
B
GLU
134
n
134
GLU
134
B
GLU
135
n
135
GLU
135
B
ALA
136
n
136
ALA
136
B
TYR
137
n
137
TYR
137
B
THR
138
n
138
THR
138
B
ARG
139
n
139
ARG
139
B
THR
140
n
140
THR
140
B
THR
141
n
141
THR
141
B
ARG
142
n
142
ARG
142
B
ALA
143
n
143
ALA
143
B
LEU
144
n
144
LEU
144
B
HIS
145
n
145
HIS
145
B
GLU
146
n
146
GLU
146
B
ARG
147
n
147
ARG
147
B
PHE
148
n
148
PHE
148
B
ASP
149
n
149
ASP
149
B
ARG
150
n
150
ARG
150
B
LEU
151
n
151
LEU
151
B
GLU
152
n
152
GLU
152
B
ARG
153
n
153
ARG
153
B
MET
154
n
154
MET
154
B
LEU
155
n
155
LEU
155
B
ASP
156
n
156
ASP
156
B
ASP
157
n
157
ASP
157
B
ASN
158
n
158
ASN
158
B
ARG
159
n
159
ARG
159
B
ARG
160
n
160
ARG
160
B
MET
1
n
1
MET
1
C
PRO
2
n
2
PRO
2
C
PRO
3
n
3
PRO
3
C
MET
4
n
4
MET
4
C
LEU
5
n
5
LEU
5
C
SER
6
n
6
SER
6
C
GLY
7
n
7
GLY
7
C
LEU
8
n
8
LEU
8
C
LEU
9
n
9
LEU
9
C
ALA
10
n
10
ALA
10
C
ARG
11
n
11
ARG
11
C
LEU
12
n
12
LEU
12
C
VAL
13
n
13
VAL
13
C
LYS
14
n
14
LYS
14
C
LEU
15
n
15
LEU
15
C
LEU
16
n
16
LEU
16
C
LEU
17
n
17
LEU
17
C
GLY
18
n
18
GLY
18
C
ARG
19
n
19
ARG
19
C
HIS
20
n
20
HIS
20
C
GLY
21
n
21
GLY
21
C
SER
22
n
22
SER
22
C
ALA
23
n
23
ALA
23
C
LEU
24
n
24
LEU
24
C
HIS
25
n
25
HIS
25
C
TRP
26
n
26
TRP
26
C
ALA
27
n
27
ALA
27
C
ALA
28
n
28
ALA
28
C
ALA
29
n
29
ALA
29
C
GLY
30
n
30
GLY
30
C
ALA
31
n
31
ALA
31
C
ALA
32
n
32
ALA
32
C
THR
33
n
33
THR
33
C
VAL
34
n
34
VAL
34
C
LEU
35
n
35
LEU
35
C
LEU
36
n
36
LEU
36
C
VAL
37
n
37
VAL
37
C
ILE
38
n
38
ILE
38
C
VAL
39
n
39
VAL
39
C
LEU
40
n
40
LEU
40
C
LEU
41
n
41
LEU
41
C
ALA
42
n
42
ALA
42
C
GLY
43
n
43
GLY
43
C
SER
44
n
44
SER
44
C
TYR
45
n
45
TYR
45
C
LEU
46
n
46
LEU
46
C
ALA
47
n
47
ALA
47
C
VAL
48
n
48
VAL
48
C
LEU
49
n
49
LEU
49
C
ALA
50
n
50
ALA
50
C
GLU
51
n
51
GLU
51
C
ARG
52
n
52
ARG
52
C
GLY
53
n
53
GLY
53
C
ALA
54
n
54
ALA
54
C
PRO
55
n
55
PRO
55
C
GLY
56
n
56
GLY
56
C
ALA
57
n
57
ALA
57
C
GLN
58
n
58
GLN
58
C
LEU
59
n
59
LEU
59
C
ILE
60
n
60
ILE
60
C
THR
61
n
61
THR
61
C
TYR
62
n
62
TYR
62
C
PRO
63
n
63
PRO
63
C
ALA
64
n
64
ALA
64
C
ALA
65
n
65
ALA
65
C
LEU
66
n
66
LEU
66
C
TRP
67
n
67
TRP
67
C
TRP
68
n
68
TRP
68
C
SER
69
n
69
SER
69
C
VAL
70
n
70
VAL
70
C
GLU
71
n
71
GLU
71
C
THR
72
n
72
THR
72
C
ALA
73
n
73
ALA
73
C
THR
74
n
74
THR
74
C
THR
75
n
75
THR
75
C
VAL
76
n
76
VAL
76
C
GLY
77
n
77
GLY
77
C
TYR
78
n
78
TYR
78
C
GLY
79
n
79
GLY
79
C
ASP
80
n
80
ASP
80
C
LEU
81
n
81
LEU
81
C
TYR
82
n
82
TYR
82
C
PRO
83
n
83
PRO
83
C
VAL
84
n
84
VAL
84
C
THR
85
n
85
THR
85
C
LEU
86
n
86
LEU
86
C
TRP
87
n
87
TRP
87
C
GLY
88
n
88
GLY
88
C
ARG
89
n
89
ARG
89
C
CYS
90
n
90
CYS
90
C
VAL
91
n
91
VAL
91
C
ALA
92
n
92
ALA
92
C
VAL
93
n
93
VAL
93
C
VAL
94
n
94
VAL
94
C
VAL
95
n
95
VAL
95
C
MET
96
n
96
MET
96
C
VAL
97
n
97
VAL
97
C
ALA
98
n
98
ALA
98
C
GLY
99
n
99
GLY
99
C
ILE
100
n
100
ILE
100
C
THR
101
n
101
THR
101
C
SER
102
n
102
SER
102
C
PHE
103
n
103
PHE
103
C
GLY
104
n
104
GLY
104
C
LEU
105
n
105
LEU
105
C
VAL
106
n
106
VAL
106
C
THR
107
n
107
THR
107
C
ALA
108
n
108
ALA
108
C
ALA
109
n
109
ALA
109
C
LEU
110
n
110
LEU
110
C
ALA
111
n
111
ALA
111
C
THR
112
n
112
THR
112
C
TRP
113
n
113
TRP
113
C
PHE
114
n
114
PHE
114
C
VAL
115
n
115
VAL
115
C
GLY
116
n
116
GLY
116
C
ARG
117
n
117
ARG
117
C
GLU
118
n
118
GLU
118
C
GLN
119
n
119
GLN
119
C
GLU
120
n
120
GLU
120
C
ARG
121
n
121
ARG
121
C
ARG
122
n
122
ARG
122
C
GLY
123
n
123
GLY
123
C
HIS
124
n
124
HIS
124
C
PHE
125
n
125
PHE
125
C
VAL
126
n
126
VAL
126
C
ARG
127
n
127
ARG
127
C
HIS
128
n
128
HIS
128
C
SER
129
n
129
SER
129
C
GLU
130
n
130
GLU
130
C
LYS
131
n
131
LYS
131
C
ALA
132
n
132
ALA
132
C
ALA
133
n
133
ALA
133
C
GLU
134
n
134
GLU
134
C
GLU
135
n
135
GLU
135
C
ALA
136
n
136
ALA
136
C
TYR
137
n
137
TYR
137
C
THR
138
n
138
THR
138
C
ARG
139
n
139
ARG
139
C
THR
140
n
140
THR
140
C
THR
141
n
141
THR
141
C
ARG
142
n
142
ARG
142
C
ALA
143
n
143
ALA
143
C
LEU
144
n
144
LEU
144
C
HIS
145
n
145
HIS
145
C
GLU
146
n
146
GLU
146
C
ARG
147
n
147
ARG
147
C
PHE
148
n
148
PHE
148
C
ASP
149
n
149
ASP
149
C
ARG
150
n
150
ARG
150
C
LEU
151
n
151
LEU
151
C
GLU
152
n
152
GLU
152
C
ARG
153
n
153
ARG
153
C
MET
154
n
154
MET
154
C
LEU
155
n
155
LEU
155
C
ASP
156
n
156
ASP
156
C
ASP
157
n
157
ASP
157
C
ASN
158
n
158
ASN
158
C
ARG
159
n
159
ARG
159
C
ARG
160
n
160
ARG
160
C
MET
1
n
1
MET
1
D
PRO
2
n
2
PRO
2
D
PRO
3
n
3
PRO
3
D
MET
4
n
4
MET
4
D
LEU
5
n
5
LEU
5
D
SER
6
n
6
SER
6
D
GLY
7
n
7
GLY
7
D
LEU
8
n
8
LEU
8
D
LEU
9
n
9
LEU
9
D
ALA
10
n
10
ALA
10
D
ARG
11
n
11
ARG
11
D
LEU
12
n
12
LEU
12
D
VAL
13
n
13
VAL
13
D
LYS
14
n
14
LYS
14
D
LEU
15
n
15
LEU
15
D
LEU
16
n
16
LEU
16
D
LEU
17
n
17
LEU
17
D
GLY
18
n
18
GLY
18
D
ARG
19
n
19
ARG
19
D
HIS
20
n
20
HIS
20
D
GLY
21
n
21
GLY
21
D
SER
22
n
22
SER
22
D
ALA
23
n
23
ALA
23
D
LEU
24
n
24
LEU
24
D
HIS
25
n
25
HIS
25
D
TRP
26
n
26
TRP
26
D
ALA
27
n
27
ALA
27
D
ALA
28
n
28
ALA
28
D
ALA
29
n
29
ALA
29
D
GLY
30
n
30
GLY
30
D
ALA
31
n
31
ALA
31
D
ALA
32
n
32
ALA
32
D
THR
33
n
33
THR
33
D
VAL
34
n
34
VAL
34
D
LEU
35
n
35
LEU
35
D
LEU
36
n
36
LEU
36
D
VAL
37
n
37
VAL
37
D
ILE
38
n
38
ILE
38
D
VAL
39
n
39
VAL
39
D
LEU
40
n
40
LEU
40
D
LEU
41
n
41
LEU
41
D
ALA
42
n
42
ALA
42
D
GLY
43
n
43
GLY
43
D
SER
44
n
44
SER
44
D
TYR
45
n
45
TYR
45
D
LEU
46
n
46
LEU
46
D
ALA
47
n
47
ALA
47
D
VAL
48
n
48
VAL
48
D
LEU
49
n
49
LEU
49
D
ALA
50
n
50
ALA
50
D
GLU
51
n
51
GLU
51
D
ARG
52
n
52
ARG
52
D
GLY
53
n
53
GLY
53
D
ALA
54
n
54
ALA
54
D
PRO
55
n
55
PRO
55
D
GLY
56
n
56
GLY
56
D
ALA
57
n
57
ALA
57
D
GLN
58
n
58
GLN
58
D
LEU
59
n
59
LEU
59
D
ILE
60
n
60
ILE
60
D
THR
61
n
61
THR
61
D
TYR
62
n
62
TYR
62
D
PRO
63
n
63
PRO
63
D
ALA
64
n
64
ALA
64
D
ALA
65
n
65
ALA
65
D
LEU
66
n
66
LEU
66
D
TRP
67
n
67
TRP
67
D
TRP
68
n
68
TRP
68
D
SER
69
n
69
SER
69
D
VAL
70
n
70
VAL
70
D
GLU
71
n
71
GLU
71
D
THR
72
n
72
THR
72
D
ALA
73
n
73
ALA
73
D
THR
74
n
74
THR
74
D
THR
75
n
75
THR
75
D
VAL
76
n
76
VAL
76
D
GLY
77
n
77
GLY
77
D
TYR
78
n
78
TYR
78
D
GLY
79
n
79
GLY
79
D
ASP
80
n
80
ASP
80
D
LEU
81
n
81
LEU
81
D
TYR
82
n
82
TYR
82
D
PRO
83
n
83
PRO
83
D
VAL
84
n
84
VAL
84
D
THR
85
n
85
THR
85
D
LEU
86
n
86
LEU
86
D
TRP
87
n
87
TRP
87
D
GLY
88
n
88
GLY
88
D
ARG
89
n
89
ARG
89
D
CYS
90
n
90
CYS
90
D
VAL
91
n
91
VAL
91
D
ALA
92
n
92
ALA
92
D
VAL
93
n
93
VAL
93
D
VAL
94
n
94
VAL
94
D
VAL
95
n
95
VAL
95
D
MET
96
n
96
MET
96
D
VAL
97
n
97
VAL
97
D
ALA
98
n
98
ALA
98
D
GLY
99
n
99
GLY
99
D
ILE
100
n
100
ILE
100
D
THR
101
n
101
THR
101
D
SER
102
n
102
SER
102
D
PHE
103
n
103
PHE
103
D
GLY
104
n
104
GLY
104
D
LEU
105
n
105
LEU
105
D
VAL
106
n
106
VAL
106
D
THR
107
n
107
THR
107
D
ALA
108
n
108
ALA
108
D
ALA
109
n
109
ALA
109
D
LEU
110
n
110
LEU
110
D
ALA
111
n
111
ALA
111
D
THR
112
n
112
THR
112
D
TRP
113
n
113
TRP
113
D
PHE
114
n
114
PHE
114
D
VAL
115
n
115
VAL
115
D
GLY
116
n
116
GLY
116
D
ARG
117
n
117
ARG
117
D
GLU
118
n
118
GLU
118
D
GLN
119
n
119
GLN
119
D
GLU
120
n
120
GLU
120
D
ARG
121
n
121
ARG
121
D
ARG
122
n
122
ARG
122
D
GLY
123
n
123
GLY
123
D
HIS
124
n
124
HIS
124
D
PHE
125
n
125
PHE
125
D
VAL
126
n
126
VAL
126
D
ARG
127
n
127
ARG
127
D
HIS
128
n
128
HIS
128
D
SER
129
n
129
SER
129
D
GLU
130
n
130
GLU
130
D
LYS
131
n
131
LYS
131
D
ALA
132
n
132
ALA
132
D
ALA
133
n
133
ALA
133
D
GLU
134
n
134
GLU
134
D
GLU
135
n
135
GLU
135
D
ALA
136
n
136
ALA
136
D
TYR
137
n
137
TYR
137
D
THR
138
n
138
THR
138
D
ARG
139
n
139
ARG
139
D
THR
140
n
140
THR
140
D
THR
141
n
141
THR
141
D
ARG
142
n
142
ARG
142
D
ALA
143
n
143
ALA
143
D
LEU
144
n
144
LEU
144
D
HIS
145
n
145
HIS
145
D
GLU
146
n
146
GLU
146
D
ARG
147
n
147
ARG
147
D
PHE
148
n
148
PHE
148
D
ASP
149
n
149
ASP
149
D
ARG
150
n
150
ARG
150
D
LEU
151
n
151
LEU
151
D
GLU
152
n
152
GLU
152
D
ARG
153
n
153
ARG
153
D
MET
154
n
154
MET
154
D
LEU
155
n
155
LEU
155
D
ASP
156
n
156
ASP
156
D
ASP
157
n
157
ASP
157
D
ASN
158
n
158
ASN
158
D
ARG
159
n
159
ARG
159
D
ARG
160
n
160
ARG
160
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
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
POTASSIUM CHANNEL (KCSA) FULL-LENGTH FOLD
1
N
N
1
N
N
1
N
N
1
N
N
PROTON TRANSPORT, MEMBRANE PROTEIN
POTASSIUM CHANNEL, INTEGRAL MEMBRANE PROTEIN, CYTOPLASMIC DOMAINS, PROTON TRANSPORT, MEMBRANE PROTEIN
KCSA_STRLI
UNP
1
1
P0A334
MPPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGD
LYPVTLWGRLVAVVVMVAGITSFGLVTAALATWFVGREQERRGHFVRHSEKAAEEAYTRTTRALHERFDRLERMLDDNRR
1
160
1F6G
1
160
P0A334
A
1
1
160
1
160
1F6G
1
160
P0A334
B
1
1
160
1
160
1F6G
1
160
P0A334
C
1
1
160
1
160
1F6G
1
160
P0A334
D
1
1
160
1
ARG
conflict
ALA
27
1F6G
A
P0A334
UNP
27
27
1
ARG
conflict
ALA
64
1F6G
A
P0A334
UNP
64
64
1
LEU
engineered mutation
CYS
90
1F6G
A
P0A334
UNP
90
90
2
ARG
conflict
ALA
27
1F6G
B
P0A334
UNP
27
27
2
ARG
conflict
ALA
64
1F6G
B
P0A334
UNP
64
64
2
LEU
engineered mutation
CYS
90
1F6G
B
P0A334
UNP
90
90
3
ARG
conflict
ALA
27
1F6G
C
P0A334
UNP
27
27
3
ARG
conflict
ALA
64
1F6G
C
P0A334
UNP
64
64
3
LEU
engineered mutation
CYS
90
1F6G
C
P0A334
UNP
90
90
4
ARG
conflict
ALA
27
1F6G
D
P0A334
UNP
27
27
4
ARG
conflict
ALA
64
1F6G
D
P0A334
UNP
64
64
4
LEU
engineered mutation
CYS
90
1F6G
D
P0A334
UNP
90
90
1
P 1