0.025575
0.000000
0.002733
0.000000
0.010582
0.000000
0.000000
0.000000
0.014877
0.00000
0.00000
0.00000
Zhang, R.-G.
Westbrook, E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
10
90.00
96.10
90.00
39.100
94.500
67.600
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
H2 O
18.015
WATER
non-polymer
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
251
550
562
10.1006/jmbi.1995.0455
7658472
The 2.4 A crystal structure of cholera toxin B subunit pentamer: choleragenoid.
1995
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
251
563
The Three-Dimensional Crystal Structure of Cholera Toxin
1995
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
AREA DETECTOR
1989-08-15
SIEMENS
M
x-ray
1
1.5418
1.0
1.5418
11623.267
CHOLERA TOXIN B SUBUNIT PENTAMER
5
nat
polymer
18.015
water
204
nat
water
CHOLERAGENOID
no
no
TPQNITDLCAEYHNTQIHTLNDKIFSYTESLAGKREMAIITFKNGATFQVEVPGSQHIDSQKKAIERMKDTLRIAYLTEA
KVEKLCVWNNKTPHAIAAISMAN
TPQNITDLCAEYHNTQIHTLNDKIFSYTESLAGKREMAIITFKNGATFQVEVPGSQHIDSQKKAIERMKDTLRIAYLTEA
KVEKLCVWNNKTPHAIAAISMAN
D,E,F,G,H
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
Vibrio
sample
44104
Vibrio cholerae
Vibrio cholerae
569B
2.14
42.42
repository
Initial release
Version format compliance
Source and taxonomy
Version format compliance
1
0
1996-12-23
1
1
2008-03-24
1
2
2011-07-13
Y
1996-02-21
REL
HOH
water
HOH
1
2
HOH
HOH
104
D
HOH
3
2
HOH
HOH
105
D
HOH
5
2
HOH
HOH
106
D
HOH
6
2
HOH
HOH
107
D
HOH
7
2
HOH
HOH
108
D
HOH
8
2
HOH
HOH
109
D
HOH
9
2
HOH
HOH
110
D
HOH
10
2
HOH
HOH
111
D
HOH
11
2
HOH
HOH
112
D
HOH
14
2
HOH
HOH
113
D
HOH
15
2
HOH
HOH
114
D
HOH
16
2
HOH
HOH
115
D
HOH
18
2
HOH
HOH
116
D
HOH
26
2
HOH
HOH
117
D
HOH
37
2
HOH
HOH
118
D
HOH
39
2
HOH
HOH
119
D
HOH
50
2
HOH
HOH
120
D
HOH
66
2
HOH
HOH
121
D
HOH
81
2
HOH
HOH
122
D
HOH
84
2
HOH
HOH
123
D
HOH
85
2
HOH
HOH
124
D
HOH
86
2
HOH
HOH
125
D
HOH
87
2
HOH
HOH
126
D
HOH
88
2
HOH
HOH
127
D
HOH
89
2
HOH
HOH
128
D
HOH
90
2
HOH
HOH
129
D
HOH
91
2
HOH
HOH
130
D
HOH
93
2
HOH
HOH
131
D
HOH
94
2
HOH
HOH
132
D
HOH
95
2
HOH
HOH
133
D
HOH
96
2
HOH
HOH
134
D
HOH
97
2
HOH
HOH
135
D
HOH
100
2
HOH
HOH
136
D
HOH
101
2
HOH
HOH
137
D
HOH
104
2
HOH
HOH
138
D
HOH
105
2
HOH
HOH
139
D
HOH
106
2
HOH
HOH
140
D
HOH
107
2
HOH
HOH
141
D
HOH
108
2
HOH
HOH
142
D
HOH
109
2
HOH
HOH
143
D
HOH
113
2
HOH
HOH
144
D
HOH
114
2
HOH
HOH
145
D
HOH
115
2
HOH
HOH
146
D
HOH
118
2
HOH
HOH
147
D
HOH
132
2
HOH
HOH
148
D
HOH
138
2
HOH
HOH
149
D
HOH
158
2
HOH
HOH
150
D
HOH
174
2
HOH
HOH
151
D
HOH
176
2
HOH
HOH
152
D
HOH
184
2
HOH
HOH
153
D
HOH
202
2
HOH
HOH
154
D
HOH
204
2
HOH
HOH
155
D
HOH
12
2
HOH
HOH
104
E
HOH
13
2
HOH
HOH
105
E
HOH
19
2
HOH
HOH
106
E
HOH
20
2
HOH
HOH
107
E
HOH
21
2
HOH
HOH
108
E
HOH
22
2
HOH
HOH
109
E
HOH
23
2
HOH
HOH
110
E
HOH
24
2
HOH
HOH
111
E
HOH
25
2
HOH
HOH
112
E
HOH
27
2
HOH
HOH
113
E
HOH
28
2
HOH
HOH
114
E
HOH
29
2
HOH
HOH
115
E
HOH
32
2
HOH
HOH
116
E
HOH
34
2
HOH
HOH
117
E
HOH
35
2
HOH
HOH
118
E
HOH
43
2
HOH
HOH
119
E
HOH
44
2
HOH
HOH
120
E
HOH
47
2
HOH
HOH
121
E
HOH
70
2
HOH
HOH
122
E
HOH
73
2
HOH
HOH
123
E
HOH
75
2
HOH
HOH
124
E
HOH
76
2
HOH
HOH
125
E
HOH
77
2
HOH
HOH
126
E
HOH
82
2
HOH
HOH
127
E
HOH
98
2
HOH
HOH
128
E
HOH
99
2
HOH
HOH
129
E
HOH
102
2
HOH
HOH
130
E
HOH
103
2
HOH
HOH
131
E
HOH
110
2
HOH
HOH
132
E
HOH
111
2
HOH
HOH
133
E
HOH
112
2
HOH
HOH
134
E
HOH
116
2
HOH
HOH
135
E
HOH
117
2
HOH
HOH
136
E
HOH
119
2
HOH
HOH
137
E
HOH
120
2
HOH
HOH
138
E
HOH
121
2
HOH
HOH
139
E
HOH
122
2
HOH
HOH
140
E
HOH
123
2
HOH
HOH
141
E
HOH
124
2
HOH
HOH
142
E
HOH
128
2
HOH
HOH
143
E
HOH
129
2
HOH
HOH
144
E
HOH
130
2
HOH
HOH
145
E
HOH
134
2
HOH
HOH
146
E
HOH
137
2
HOH
HOH
147
E
HOH
139
2
HOH
HOH
148
E
HOH
141
2
HOH
HOH
149
E
HOH
143
2
HOH
HOH
150
E
HOH
159
2
HOH
HOH
151
E
HOH
160
2
HOH
HOH
152
E
HOH
161
2
HOH
HOH
153
E
HOH
180
2
HOH
HOH
154
E
HOH
181
2
HOH
HOH
155
E
HOH
182
2
HOH
HOH
156
E
HOH
189
2
HOH
HOH
157
E
HOH
196
2
HOH
HOH
158
E
HOH
30
2
HOH
HOH
104
F
HOH
31
2
HOH
HOH
105
F
HOH
33
2
HOH
HOH
106
F
HOH
36
2
HOH
HOH
107
F
HOH
41
2
HOH
HOH
108
F
HOH
49
2
HOH
HOH
109
F
HOH
51
2
HOH
HOH
110
F
HOH
52
2
HOH
HOH
111
F
HOH
65
2
HOH
HOH
112
F
HOH
67
2
HOH
HOH
113
F
HOH
74
2
HOH
HOH
114
F
HOH
78
2
HOH
HOH
115
F
HOH
79
2
HOH
HOH
116
F
HOH
80
2
HOH
HOH
117
F
HOH
92
2
HOH
HOH
118
F
HOH
125
2
HOH
HOH
119
F
HOH
126
2
HOH
HOH
120
F
HOH
127
2
HOH
HOH
121
F
HOH
136
2
HOH
HOH
122
F
HOH
140
2
HOH
HOH
123
F
HOH
156
2
HOH
HOH
124
F
HOH
157
2
HOH
HOH
125
F
HOH
162
2
HOH
HOH
126
F
HOH
172
2
HOH
HOH
127
F
HOH
185
2
HOH
HOH
128
F
HOH
186
2
HOH
HOH
129
F
HOH
187
2
HOH
HOH
130
F
HOH
188
2
HOH
HOH
131
F
HOH
190
2
HOH
HOH
132
F
HOH
191
2
HOH
HOH
133
F
HOH
194
2
HOH
HOH
134
F
HOH
201
2
HOH
HOH
135
F
HOH
38
2
HOH
HOH
104
G
HOH
40
2
HOH
HOH
105
G
HOH
42
2
HOH
HOH
106
G
HOH
45
2
HOH
HOH
107
G
HOH
53
2
HOH
HOH
108
G
HOH
54
2
HOH
HOH
109
G
HOH
55
2
HOH
HOH
110
G
HOH
56
2
HOH
HOH
111
G
HOH
57
2
HOH
HOH
112
G
HOH
59
2
HOH
HOH
113
G
HOH
60
2
HOH
HOH
114
G
HOH
64
2
HOH
HOH
115
G
HOH
83
2
HOH
HOH
116
G
HOH
131
2
HOH
HOH
117
G
HOH
133
2
HOH
HOH
118
G
HOH
142
2
HOH
HOH
119
G
HOH
144
2
HOH
HOH
120
G
HOH
145
2
HOH
HOH
121
G
HOH
146
2
HOH
HOH
122
G
HOH
147
2
HOH
HOH
123
G
HOH
148
2
HOH
HOH
124
G
HOH
149
2
HOH
HOH
125
G
HOH
151
2
HOH
HOH
126
G
HOH
153
2
HOH
HOH
127
G
HOH
155
2
HOH
HOH
128
G
HOH
164
2
HOH
HOH
129
G
HOH
165
2
HOH
HOH
130
G
HOH
166
2
HOH
HOH
131
G
HOH
169
2
HOH
HOH
132
G
HOH
170
2
HOH
HOH
133
G
HOH
171
2
HOH
HOH
134
G
HOH
179
2
HOH
HOH
135
G
HOH
192
2
HOH
HOH
136
G
HOH
193
2
HOH
HOH
137
G
HOH
195
2
HOH
HOH
138
G
HOH
2
2
HOH
HOH
104
H
HOH
4
2
HOH
HOH
105
H
HOH
17
2
HOH
HOH
106
H
HOH
46
2
HOH
HOH
107
H
HOH
48
2
HOH
HOH
108
H
HOH
58
2
HOH
HOH
109
H
HOH
61
2
HOH
HOH
110
H
HOH
62
2
HOH
HOH
111
H
HOH
63
2
HOH
HOH
112
H
HOH
68
2
HOH
HOH
113
H
HOH
69
2
HOH
HOH
114
H
HOH
71
2
HOH
HOH
115
H
HOH
72
2
HOH
HOH
116
H
HOH
135
2
HOH
HOH
117
H
HOH
150
2
HOH
HOH
118
H
HOH
152
2
HOH
HOH
119
H
HOH
154
2
HOH
HOH
120
H
HOH
163
2
HOH
HOH
121
H
HOH
167
2
HOH
HOH
122
H
HOH
168
2
HOH
HOH
123
H
HOH
173
2
HOH
HOH
124
H
HOH
175
2
HOH
HOH
125
H
HOH
177
2
HOH
HOH
126
H
HOH
178
2
HOH
HOH
127
H
HOH
183
2
HOH
HOH
128
H
HOH
197
2
HOH
HOH
129
H
HOH
198
2
HOH
HOH
130
H
HOH
199
2
HOH
HOH
131
H
HOH
200
2
HOH
HOH
132
H
HOH
203
2
HOH
HOH
133
H
THR
1
n
1
THR
1
D
PRO
2
n
2
PRO
2
D
GLN
3
n
3
GLN
3
D
ASN
4
n
4
ASN
4
D
ILE
5
n
5
ILE
5
D
THR
6
n
6
THR
6
D
ASP
7
n
7
ASP
7
D
LEU
8
n
8
LEU
8
D
CYS
9
n
9
CYS
9
D
ALA
10
n
10
ALA
10
D
GLU
11
n
11
GLU
11
D
TYR
12
n
12
TYR
12
D
HIS
13
n
13
HIS
13
D
ASN
14
n
14
ASN
14
D
THR
15
n
15
THR
15
D
GLN
16
n
16
GLN
16
D
ILE
17
n
17
ILE
17
D
HIS
18
n
18
HIS
18
D
THR
19
n
19
THR
19
D
LEU
20
n
20
LEU
20
D
ASN
21
n
21
ASN
21
D
ASP
22
n
22
ASP
22
D
LYS
23
n
23
LYS
23
D
ILE
24
n
24
ILE
24
D
PHE
25
n
25
PHE
25
D
SER
26
n
26
SER
26
D
TYR
27
n
27
TYR
27
D
THR
28
n
28
THR
28
D
GLU
29
n
29
GLU
29
D
SER
30
n
30
SER
30
D
LEU
31
n
31
LEU
31
D
ALA
32
n
32
ALA
32
D
GLY
33
n
33
GLY
33
D
LYS
34
n
34
LYS
34
D
ARG
35
n
35
ARG
35
D
GLU
36
n
36
GLU
36
D
MET
37
n
37
MET
37
D
ALA
38
n
38
ALA
38
D
ILE
39
n
39
ILE
39
D
ILE
40
n
40
ILE
40
D
THR
41
n
41
THR
41
D
PHE
42
n
42
PHE
42
D
LYS
43
n
43
LYS
43
D
ASN
44
n
44
ASN
44
D
GLY
45
n
45
GLY
45
D
ALA
46
n
46
ALA
46
D
THR
47
n
47
THR
47
D
PHE
48
n
48
PHE
48
D
GLN
49
n
49
GLN
49
D
VAL
50
n
50
VAL
50
D
GLU
51
n
51
GLU
51
D
VAL
52
n
52
VAL
52
D
PRO
53
n
53
PRO
53
D
GLY
54
n
54
GLY
54
D
SER
55
n
55
SER
55
D
GLN
56
n
56
GLN
56
D
HIS
57
n
57
HIS
57
D
ILE
58
n
58
ILE
58
D
ASP
59
n
59
ASP
59
D
SER
60
n
60
SER
60
D
GLN
61
n
61
GLN
61
D
LYS
62
n
62
LYS
62
D
LYS
63
n
63
LYS
63
D
ALA
64
n
64
ALA
64
D
ILE
65
n
65
ILE
65
D
GLU
66
n
66
GLU
66
D
ARG
67
n
67
ARG
67
D
MET
68
n
68
MET
68
D
LYS
69
n
69
LYS
69
D
ASP
70
n
70
ASP
70
D
THR
71
n
71
THR
71
D
LEU
72
n
72
LEU
72
D
ARG
73
n
73
ARG
73
D
ILE
74
n
74
ILE
74
D
ALA
75
n
75
ALA
75
D
TYR
76
n
76
TYR
76
D
LEU
77
n
77
LEU
77
D
THR
78
n
78
THR
78
D
GLU
79
n
79
GLU
79
D
ALA
80
n
80
ALA
80
D
LYS
81
n
81
LYS
81
D
VAL
82
n
82
VAL
82
D
GLU
83
n
83
GLU
83
D
LYS
84
n
84
LYS
84
D
LEU
85
n
85
LEU
85
D
CYS
86
n
86
CYS
86
D
VAL
87
n
87
VAL
87
D
TRP
88
n
88
TRP
88
D
ASN
89
n
89
ASN
89
D
ASN
90
n
90
ASN
90
D
LYS
91
n
91
LYS
91
D
THR
92
n
92
THR
92
D
PRO
93
n
93
PRO
93
D
HIS
94
n
94
HIS
94
D
ALA
95
n
95
ALA
95
D
ILE
96
n
96
ILE
96
D
ALA
97
n
97
ALA
97
D
ALA
98
n
98
ALA
98
D
ILE
99
n
99
ILE
99
D
SER
100
n
100
SER
100
D
MET
101
n
101
MET
101
D
ALA
102
n
102
ALA
102
D
ASN
103
n
103
ASN
103
D
THR
1
n
1
THR
1
E
PRO
2
n
2
PRO
2
E
GLN
3
n
3
GLN
3
E
ASN
4
n
4
ASN
4
E
ILE
5
n
5
ILE
5
E
THR
6
n
6
THR
6
E
ASP
7
n
7
ASP
7
E
LEU
8
n
8
LEU
8
E
CYS
9
n
9
CYS
9
E
ALA
10
n
10
ALA
10
E
GLU
11
n
11
GLU
11
E
TYR
12
n
12
TYR
12
E
HIS
13
n
13
HIS
13
E
ASN
14
n
14
ASN
14
E
THR
15
n
15
THR
15
E
GLN
16
n
16
GLN
16
E
ILE
17
n
17
ILE
17
E
HIS
18
n
18
HIS
18
E
THR
19
n
19
THR
19
E
LEU
20
n
20
LEU
20
E
ASN
21
n
21
ASN
21
E
ASP
22
n
22
ASP
22
E
LYS
23
n
23
LYS
23
E
ILE
24
n
24
ILE
24
E
PHE
25
n
25
PHE
25
E
SER
26
n
26
SER
26
E
TYR
27
n
27
TYR
27
E
THR
28
n
28
THR
28
E
GLU
29
n
29
GLU
29
E
SER
30
n
30
SER
30
E
LEU
31
n
31
LEU
31
E
ALA
32
n
32
ALA
32
E
GLY
33
n
33
GLY
33
E
LYS
34
n
34
LYS
34
E
ARG
35
n
35
ARG
35
E
GLU
36
n
36
GLU
36
E
MET
37
n
37
MET
37
E
ALA
38
n
38
ALA
38
E
ILE
39
n
39
ILE
39
E
ILE
40
n
40
ILE
40
E
THR
41
n
41
THR
41
E
PHE
42
n
42
PHE
42
E
LYS
43
n
43
LYS
43
E
ASN
44
n
44
ASN
44
E
GLY
45
n
45
GLY
45
E
ALA
46
n
46
ALA
46
E
THR
47
n
47
THR
47
E
PHE
48
n
48
PHE
48
E
GLN
49
n
49
GLN
49
E
VAL
50
n
50
VAL
50
E
GLU
51
n
51
GLU
51
E
VAL
52
n
52
VAL
52
E
PRO
53
n
53
PRO
53
E
GLY
54
n
54
GLY
54
E
SER
55
n
55
SER
55
E
GLN
56
n
56
GLN
56
E
HIS
57
n
57
HIS
57
E
ILE
58
n
58
ILE
58
E
ASP
59
n
59
ASP
59
E
SER
60
n
60
SER
60
E
GLN
61
n
61
GLN
61
E
LYS
62
n
62
LYS
62
E
LYS
63
n
63
LYS
63
E
ALA
64
n
64
ALA
64
E
ILE
65
n
65
ILE
65
E
GLU
66
n
66
GLU
66
E
ARG
67
n
67
ARG
67
E
MET
68
n
68
MET
68
E
LYS
69
n
69
LYS
69
E
ASP
70
n
70
ASP
70
E
THR
71
n
71
THR
71
E
LEU
72
n
72
LEU
72
E
ARG
73
n
73
ARG
73
E
ILE
74
n
74
ILE
74
E
ALA
75
n
75
ALA
75
E
TYR
76
n
76
TYR
76
E
LEU
77
n
77
LEU
77
E
THR
78
n
78
THR
78
E
GLU
79
n
79
GLU
79
E
ALA
80
n
80
ALA
80
E
LYS
81
n
81
LYS
81
E
VAL
82
n
82
VAL
82
E
GLU
83
n
83
GLU
83
E
LYS
84
n
84
LYS
84
E
LEU
85
n
85
LEU
85
E
CYS
86
n
86
CYS
86
E
VAL
87
n
87
VAL
87
E
TRP
88
n
88
TRP
88
E
ASN
89
n
89
ASN
89
E
ASN
90
n
90
ASN
90
E
LYS
91
n
91
LYS
91
E
THR
92
n
92
THR
92
E
PRO
93
n
93
PRO
93
E
HIS
94
n
94
HIS
94
E
ALA
95
n
95
ALA
95
E
ILE
96
n
96
ILE
96
E
ALA
97
n
97
ALA
97
E
ALA
98
n
98
ALA
98
E
ILE
99
n
99
ILE
99
E
SER
100
n
100
SER
100
E
MET
101
n
101
MET
101
E
ALA
102
n
102
ALA
102
E
ASN
103
n
103
ASN
103
E
THR
1
n
1
THR
1
F
PRO
2
n
2
PRO
2
F
GLN
3
n
3
GLN
3
F
ASN
4
n
4
ASN
4
F
ILE
5
n
5
ILE
5
F
THR
6
n
6
THR
6
F
ASP
7
n
7
ASP
7
F
LEU
8
n
8
LEU
8
F
CYS
9
n
9
CYS
9
F
ALA
10
n
10
ALA
10
F
GLU
11
n
11
GLU
11
F
TYR
12
n
12
TYR
12
F
HIS
13
n
13
HIS
13
F
ASN
14
n
14
ASN
14
F
THR
15
n
15
THR
15
F
GLN
16
n
16
GLN
16
F
ILE
17
n
17
ILE
17
F
HIS
18
n
18
HIS
18
F
THR
19
n
19
THR
19
F
LEU
20
n
20
LEU
20
F
ASN
21
n
21
ASN
21
F
ASP
22
n
22
ASP
22
F
LYS
23
n
23
LYS
23
F
ILE
24
n
24
ILE
24
F
PHE
25
n
25
PHE
25
F
SER
26
n
26
SER
26
F
TYR
27
n
27
TYR
27
F
THR
28
n
28
THR
28
F
GLU
29
n
29
GLU
29
F
SER
30
n
30
SER
30
F
LEU
31
n
31
LEU
31
F
ALA
32
n
32
ALA
32
F
GLY
33
n
33
GLY
33
F
LYS
34
n
34
LYS
34
F
ARG
35
n
35
ARG
35
F
GLU
36
n
36
GLU
36
F
MET
37
n
37
MET
37
F
ALA
38
n
38
ALA
38
F
ILE
39
n
39
ILE
39
F
ILE
40
n
40
ILE
40
F
THR
41
n
41
THR
41
F
PHE
42
n
42
PHE
42
F
LYS
43
n
43
LYS
43
F
ASN
44
n
44
ASN
44
F
GLY
45
n
45
GLY
45
F
ALA
46
n
46
ALA
46
F
THR
47
n
47
THR
47
F
PHE
48
n
48
PHE
48
F
GLN
49
n
49
GLN
49
F
VAL
50
n
50
VAL
50
F
GLU
51
n
51
GLU
51
F
VAL
52
n
52
VAL
52
F
PRO
53
n
53
PRO
53
F
GLY
54
n
54
GLY
54
F
SER
55
n
55
SER
55
F
GLN
56
n
56
GLN
56
F
HIS
57
n
57
HIS
57
F
ILE
58
n
58
ILE
58
F
ASP
59
n
59
ASP
59
F
SER
60
n
60
SER
60
F
GLN
61
n
61
GLN
61
F
LYS
62
n
62
LYS
62
F
LYS
63
n
63
LYS
63
F
ALA
64
n
64
ALA
64
F
ILE
65
n
65
ILE
65
F
GLU
66
n
66
GLU
66
F
ARG
67
n
67
ARG
67
F
MET
68
n
68
MET
68
F
LYS
69
n
69
LYS
69
F
ASP
70
n
70
ASP
70
F
THR
71
n
71
THR
71
F
LEU
72
n
72
LEU
72
F
ARG
73
n
73
ARG
73
F
ILE
74
n
74
ILE
74
F
ALA
75
n
75
ALA
75
F
TYR
76
n
76
TYR
76
F
LEU
77
n
77
LEU
77
F
THR
78
n
78
THR
78
F
GLU
79
n
79
GLU
79
F
ALA
80
n
80
ALA
80
F
LYS
81
n
81
LYS
81
F
VAL
82
n
82
VAL
82
F
GLU
83
n
83
GLU
83
F
LYS
84
n
84
LYS
84
F
LEU
85
n
85
LEU
85
F
CYS
86
n
86
CYS
86
F
VAL
87
n
87
VAL
87
F
TRP
88
n
88
TRP
88
F
ASN
89
n
89
ASN
89
F
ASN
90
n
90
ASN
90
F
LYS
91
n
91
LYS
91
F
THR
92
n
92
THR
92
F
PRO
93
n
93
PRO
93
F
HIS
94
n
94
HIS
94
F
ALA
95
n
95
ALA
95
F
ILE
96
n
96
ILE
96
F
ALA
97
n
97
ALA
97
F
ALA
98
n
98
ALA
98
F
ILE
99
n
99
ILE
99
F
SER
100
n
100
SER
100
F
MET
101
n
101
MET
101
F
ALA
102
n
102
ALA
102
F
ASN
103
n
103
ASN
103
F
THR
1
n
1
THR
1
G
PRO
2
n
2
PRO
2
G
GLN
3
n
3
GLN
3
G
ASN
4
n
4
ASN
4
G
ILE
5
n
5
ILE
5
G
THR
6
n
6
THR
6
G
ASP
7
n
7
ASP
7
G
LEU
8
n
8
LEU
8
G
CYS
9
n
9
CYS
9
G
ALA
10
n
10
ALA
10
G
GLU
11
n
11
GLU
11
G
TYR
12
n
12
TYR
12
G
HIS
13
n
13
HIS
13
G
ASN
14
n
14
ASN
14
G
THR
15
n
15
THR
15
G
GLN
16
n
16
GLN
16
G
ILE
17
n
17
ILE
17
G
HIS
18
n
18
HIS
18
G
THR
19
n
19
THR
19
G
LEU
20
n
20
LEU
20
G
ASN
21
n
21
ASN
21
G
ASP
22
n
22
ASP
22
G
LYS
23
n
23
LYS
23
G
ILE
24
n
24
ILE
24
G
PHE
25
n
25
PHE
25
G
SER
26
n
26
SER
26
G
TYR
27
n
27
TYR
27
G
THR
28
n
28
THR
28
G
GLU
29
n
29
GLU
29
G
SER
30
n
30
SER
30
G
LEU
31
n
31
LEU
31
G
ALA
32
n
32
ALA
32
G
GLY
33
n
33
GLY
33
G
LYS
34
n
34
LYS
34
G
ARG
35
n
35
ARG
35
G
GLU
36
n
36
GLU
36
G
MET
37
n
37
MET
37
G
ALA
38
n
38
ALA
38
G
ILE
39
n
39
ILE
39
G
ILE
40
n
40
ILE
40
G
THR
41
n
41
THR
41
G
PHE
42
n
42
PHE
42
G
LYS
43
n
43
LYS
43
G
ASN
44
n
44
ASN
44
G
GLY
45
n
45
GLY
45
G
ALA
46
n
46
ALA
46
G
THR
47
n
47
THR
47
G
PHE
48
n
48
PHE
48
G
GLN
49
n
49
GLN
49
G
VAL
50
n
50
VAL
50
G
GLU
51
n
51
GLU
51
G
VAL
52
n
52
VAL
52
G
PRO
53
n
53
PRO
53
G
GLY
54
n
54
GLY
54
G
SER
55
n
55
SER
55
G
GLN
56
n
56
GLN
56
G
HIS
57
n
57
HIS
57
G
ILE
58
n
58
ILE
58
G
ASP
59
n
59
ASP
59
G
SER
60
n
60
SER
60
G
GLN
61
n
61
GLN
61
G
LYS
62
n
62
LYS
62
G
LYS
63
n
63
LYS
63
G
ALA
64
n
64
ALA
64
G
ILE
65
n
65
ILE
65
G
GLU
66
n
66
GLU
66
G
ARG
67
n
67
ARG
67
G
MET
68
n
68
MET
68
G
LYS
69
n
69
LYS
69
G
ASP
70
n
70
ASP
70
G
THR
71
n
71
THR
71
G
LEU
72
n
72
LEU
72
G
ARG
73
n
73
ARG
73
G
ILE
74
n
74
ILE
74
G
ALA
75
n
75
ALA
75
G
TYR
76
n
76
TYR
76
G
LEU
77
n
77
LEU
77
G
THR
78
n
78
THR
78
G
GLU
79
n
79
GLU
79
G
ALA
80
n
80
ALA
80
G
LYS
81
n
81
LYS
81
G
VAL
82
n
82
VAL
82
G
GLU
83
n
83
GLU
83
G
LYS
84
n
84
LYS
84
G
LEU
85
n
85
LEU
85
G
CYS
86
n
86
CYS
86
G
VAL
87
n
87
VAL
87
G
TRP
88
n
88
TRP
88
G
ASN
89
n
89
ASN
89
G
ASN
90
n
90
ASN
90
G
LYS
91
n
91
LYS
91
G
THR
92
n
92
THR
92
G
PRO
93
n
93
PRO
93
G
HIS
94
n
94
HIS
94
G
ALA
95
n
95
ALA
95
G
ILE
96
n
96
ILE
96
G
ALA
97
n
97
ALA
97
G
ALA
98
n
98
ALA
98
G
ILE
99
n
99
ILE
99
G
SER
100
n
100
SER
100
G
MET
101
n
101
MET
101
G
ALA
102
n
102
ALA
102
G
ASN
103
n
103
ASN
103
G
THR
1
n
1
THR
1
H
PRO
2
n
2
PRO
2
H
GLN
3
n
3
GLN
3
H
ASN
4
n
4
ASN
4
H
ILE
5
n
5
ILE
5
H
THR
6
n
6
THR
6
H
ASP
7
n
7
ASP
7
H
LEU
8
n
8
LEU
8
H
CYS
9
n
9
CYS
9
H
ALA
10
n
10
ALA
10
H
GLU
11
n
11
GLU
11
H
TYR
12
n
12
TYR
12
H
HIS
13
n
13
HIS
13
H
ASN
14
n
14
ASN
14
H
THR
15
n
15
THR
15
H
GLN
16
n
16
GLN
16
H
ILE
17
n
17
ILE
17
H
HIS
18
n
18
HIS
18
H
THR
19
n
19
THR
19
H
LEU
20
n
20
LEU
20
H
ASN
21
n
21
ASN
21
H
ASP
22
n
22
ASP
22
H
LYS
23
n
23
LYS
23
H
ILE
24
n
24
ILE
24
H
PHE
25
n
25
PHE
25
H
SER
26
n
26
SER
26
H
TYR
27
n
27
TYR
27
H
THR
28
n
28
THR
28
H
GLU
29
n
29
GLU
29
H
SER
30
n
30
SER
30
H
LEU
31
n
31
LEU
31
H
ALA
32
n
32
ALA
32
H
GLY
33
n
33
GLY
33
H
LYS
34
n
34
LYS
34
H
ARG
35
n
35
ARG
35
H
GLU
36
n
36
GLU
36
H
MET
37
n
37
MET
37
H
ALA
38
n
38
ALA
38
H
ILE
39
n
39
ILE
39
H
ILE
40
n
40
ILE
40
H
THR
41
n
41
THR
41
H
PHE
42
n
42
PHE
42
H
LYS
43
n
43
LYS
43
H
ASN
44
n
44
ASN
44
H
GLY
45
n
45
GLY
45
H
ALA
46
n
46
ALA
46
H
THR
47
n
47
THR
47
H
PHE
48
n
48
PHE
48
H
GLN
49
n
49
GLN
49
H
VAL
50
n
50
VAL
50
H
GLU
51
n
51
GLU
51
H
VAL
52
n
52
VAL
52
H
PRO
53
n
53
PRO
53
H
GLY
54
n
54
GLY
54
H
SER
55
n
55
SER
55
H
GLN
56
n
56
GLN
56
H
HIS
57
n
57
HIS
57
H
ILE
58
n
58
ILE
58
H
ASP
59
n
59
ASP
59
H
SER
60
n
60
SER
60
H
GLN
61
n
61
GLN
61
H
LYS
62
n
62
LYS
62
H
LYS
63
n
63
LYS
63
H
ALA
64
n
64
ALA
64
H
ILE
65
n
65
ILE
65
H
GLU
66
n
66
GLU
66
H
ARG
67
n
67
ARG
67
H
MET
68
n
68
MET
68
H
LYS
69
n
69
LYS
69
H
ASP
70
n
70
ASP
70
H
THR
71
n
71
THR
71
H
LEU
72
n
72
LEU
72
H
ARG
73
n
73
ARG
73
H
ILE
74
n
74
ILE
74
H
ALA
75
n
75
ALA
75
H
TYR
76
n
76
TYR
76
H
LEU
77
n
77
LEU
77
H
THR
78
n
78
THR
78
H
GLU
79
n
79
GLU
79
H
ALA
80
n
80
ALA
80
H
LYS
81
n
81
LYS
81
H
VAL
82
n
82
VAL
82
H
GLU
83
n
83
GLU
83
H
LYS
84
n
84
LYS
84
H
LEU
85
n
85
LEU
85
H
CYS
86
n
86
CYS
86
H
VAL
87
n
87
VAL
87
H
TRP
88
n
88
TRP
88
H
ASN
89
n
89
ASN
89
H
ASN
90
n
90
ASN
90
H
LYS
91
n
91
LYS
91
H
THR
92
n
92
THR
92
H
PRO
93
n
93
PRO
93
H
HIS
94
n
94
HIS
94
H
ALA
95
n
95
ALA
95
H
ILE
96
n
96
ILE
96
H
ALA
97
n
97
ALA
97
H
ALA
98
n
98
ALA
98
H
ILE
99
n
99
ILE
99
H
SER
100
n
100
SER
100
H
MET
101
n
101
MET
101
H
ALA
102
n
102
ALA
102
H
ASN
103
n
103
ASN
103
H
author_and_software_defined_assembly
PISA
5
pentameric
12270
-49
20470
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
D
O
GLN
16
A
O
GLN
16
D
N
VAL
87
A
N
VAL
87
D
O
GLU
83
A
O
GLU
83
D
N
SER
100
A
N
SER
100
D
O
ILE
99
A
O
ILE
99
H
N
GLU
29
E
N
GLU
29
H
O
SER
26
E
O
SER
26
H
N
THR
41
E
N
THR
41
H
O
ALA
38
E
O
ALA
38
H
N
VAL
50
E
N
VAL
50
E
O
GLN
16
B
O
GLN
16
E
N
VAL
87
B
N
VAL
87
E
O
LYS
84
B
O
LYS
84
E
N
SER
100
B
N
SER
100
E
O
ILE
99
B
O
ILE
99
D
N
GLU
29
A
N
GLU
29
D
O
SER
26
A
O
SER
26
D
N
THR
41
A
N
THR
41
D
O
ALA
38
A
O
ALA
38
D
N
VAL
50
A
N
VAL
50
F
O
GLN
16
C
O
GLN
16
F
N
VAL
87
C
N
VAL
87
F
O
GLU
83
C
O
GLU
83
F
N
SER
100
C
N
SER
100
F
O
ILE
99
C
O
ILE
99
E
N
GLU
29
B
N
GLU
29
E
O
SER
26
B
O
SER
26
E
N
THR
41
B
N
THR
41
E
O
ALA
38
B
O
ALA
38
E
N
VAL
50
B
N
VAL
50
G
O
GLN
16
D
O
GLN
16
G
N
VAL
87
D
N
VAL
87
G
O
LYS
84
D
O
LYS
84
G
N
SER
100
D
N
SER
100
G
O
ILE
99
D
O
ILE
99
F
N
GLU
29
C
N
GLU
29
F
O
SER
26
C
O
SER
26
F
N
THR
41
C
N
THR
41
F
O
ALA
38
C
O
ALA
38
F
N
VAL
50
C
N
VAL
50
H
O
GLN
16
E
O
GLN
16
H
N
VAL
87
E
N
VAL
87
H
O
GLU
83
E
O
GLU
83
H
N
SER
100
E
N
SER
100
H
O
ILE
99
E
O
ILE
99
G
N
GLU
29
D
N
GLU
29
G
O
SER
26
D
O
SER
26
G
N
THR
41
D
N
THR
41
G
O
ALA
38
D
O
ALA
38
G
N
VAL
50
D
N
VAL
50
1
E
E
O
N
SER
GLN
55
56
1.68
1
E
E
O
O
HOH
HOH
116
157
1.69
1
D
D
OE2
O
GLU
HOH
11
108
1.74
1
E
E
OG1
O
THR
HOH
28
116
1.97
1
D
D
O
N
SER
HIS
55
57
2.03
1
H
D
NH2
O
ARG
HOH
35
108
2.12
1
E
E
O
O
VAL
HOH
52
156
2.15
1
H
H
OD1
O
ASP
HOH
22
130
2.16
1
G
G
OE2
O
GLU
HOH
29
105
2.16
1
D
VAL
87
13.19
1
E
VAL
50
11.47
1
E
SER
55
43.08
1
E
GLN
56
-18.83
1
F
GLY
54
26.17
1
F
SER
55
-11.42
1
G
TYR
12
-11.40
1
G
ALA
64
22.09
1
H
LEU
20
10.35
1
H
VAL
87
13.73
1
F
F
SER
GLN
55
56
133.97
1
D
HIS
18
0.097
SIDE CHAIN
1
E
HIS
18
0.092
SIDE CHAIN
1
E
ARG
67
0.151
SIDE CHAIN
1
F
HIS
18
0.097
SIDE CHAIN
1
F
ARG
35
0.118
SIDE CHAIN
1
F
ARG
67
0.107
SIDE CHAIN
1
G
HIS
18
0.103
SIDE CHAIN
1
H
HIS
18
0.104
SIDE CHAIN
1
F
F
C
N
GLY
SER
54
55
1.62
1
F
F
C
N
GLN
HIS
56
57
1.01
1
15.03
2.20
113.40
128.43
D
D
D
CA
CB
CG
GLN
GLN
GLN
3
3
3
N
1
7.75
1.20
111.50
119.25
D
D
D
CB
CA
C
CYS
CYS
CYS
9
9
9
N
1
-14.54
2.20
117.20
102.66
D
D
D
CA
C
N
HIS
HIS
THR
18
18
19
Y
1
11.97
1.60
122.70
134.67
D
D
D
O
C
N
HIS
HIS
THR
18
18
19
Y
1
18.11
2.60
111.60
129.71
D
D
D
CB
CG
CD
LYS
LYS
LYS
34
34
34
N
1
-9.17
1.40
123.60
114.43
D
D
D
CD
NE
CZ
ARG
ARG
ARG
35
35
35
N
1
-11.30
1.80
110.60
99.30
D
D
D
N
CA
CB
MET
MET
MET
37
37
37
N
1
-4.55
0.70
120.80
116.25
D
D
D
CB
CG
CD1
PHE
PHE
PHE
42
42
42
N
1
-9.76
1.60
122.70
112.94
D
D
D
O
C
N
ILE
ILE
ASP
58
58
59
Y
1
16.63
2.20
117.20
133.83
D
D
D
CA
C
N
ALA
ALA
ILE
64
64
65
Y
1
-18.42
1.60
122.70
104.28
D
D
D
O
C
N
ALA
ALA
ILE
64
64
65
Y
1
6.21
0.50
120.30
126.51
D
D
D
NE
CZ
NH1
ARG
ARG
ARG
67
67
67
N
1
-5.55
0.50
120.30
114.75
D
D
D
NE
CZ
NH2
ARG
ARG
ARG
67
67
67
N
1
6.11
0.90
118.30
124.41
D
D
D
CB
CG
OD1
ASP
ASP
ASP
70
70
70
N
1
-10.45
0.90
118.30
107.85
D
D
D
CB
CG
OD2
ASP
ASP
ASP
70
70
70
N
1
10.59
1.60
122.70
133.29
D
D
D
O
C
N
ASP
ASP
THR
70
70
71
Y
1
22.01
1.40
123.60
145.61
D
D
D
CD
NE
CZ
ARG
ARG
ARG
73
73
73
N
1
6.94
0.50
120.30
127.24
D
D
D
NE
CZ
NH1
ARG
ARG
ARG
73
73
73
N
1
-4.87
0.50
120.30
115.43
D
D
D
NE
CZ
NH2
ARG
ARG
ARG
73
73
73
N
1
-13.39
1.90
110.30
96.91
D
D
D
N
CA
CB
THR
THR
THR
78
78
78
N
1
10.97
1.80
110.60
121.57
D
D
D
N
CA
CB
GLU
GLU
GLU
79
79
79
N
1
17.76
1.80
110.60
128.36
D
D
D
N
CA
CB
LYS
LYS
LYS
81
81
81
N
1
-8.97
1.20
123.30
114.33
D
D
D
OE1
CD
OE2
GLU
GLU
GLU
83
83
83
N
1
28.40
2.30
115.30
143.70
D
D
D
CA
CB
CG
LEU
LEU
LEU
85
85
85
N
1
14.08
1.80
110.60
124.68
D
D
D
N
CA
CB
LYS
LYS
LYS
91
91
91
N
1
-7.48
0.90
118.30
110.82
E
E
E
CB
CG
OD1
ASP
ASP
ASP
7
7
7
N
1
8.63
0.90
118.30
126.93
E
E
E
CB
CG
OD2
ASP
ASP
ASP
7
7
7
N
1
17.93
2.50
121.70
139.63
E
E
E
C
N
CA
TYR
HIS
HIS
12
13
13
Y
1
15.02
1.70
113.60
128.62
E
E
E
CA
CB
CG
HIS
HIS
HIS
13
13
13
N
1
11.12
1.80
110.60
121.72
E
E
E
N
CA
CB
ASN
ASN
ASN
21
21
21
N
1
14.18
2.20
113.40
127.58
E
E
E
CA
CB
CG
ARG
ARG
ARG
35
35
35
N
1
9.29
1.50
110.10
119.39
E
E
E
CB
CA
C
ALA
ALA
ALA
38
38
38
N
1
16.84
2.50
121.70
138.54
E
E
E
C
N
CA
ILE
THR
THR
40
41
41
Y
1
-17.84
2.50
121.70
103.86
E
E
E
C
N
CA
GLY
SER
SER
54
55
55
Y
1
37.96
2.20
117.20
155.16
E
E
E
CA
C
N
SER
SER
GLN
55
55
56
Y
1
-40.16
1.60
122.70
82.54
E
E
E
O
C
N
SER
SER
GLN
55
55
56
Y
1
32.18
2.50
121.70
153.88
E
E
E
C
N
CA
SER
GLN
GLN
55
56
56
Y
1
21.02
2.20
117.20
138.22
E
E
E
CA
C
N
GLN
GLN
HIS
56
56
57
Y
1
-24.15
1.60
122.70
98.55
E
E
E
O
C
N
GLN
GLN
HIS
56
56
57
Y
1
3.80
0.50
120.30
124.10
E
E
E
NE
CZ
NH1
ARG
ARG
ARG
67
67
67
N
1
-3.31
0.50
120.30
116.99
E
E
E
NE
CZ
NH2
ARG
ARG
ARG
67
67
67
N
1
-7.38
0.90
118.30
110.92
E
E
E
CB
CG
OD2
ASP
ASP
ASP
70
70
70
N
1
9.31
1.40
123.60
132.91
E
E
E
CD
NE
CZ
ARG
ARG
ARG
73
73
73
N
1
13.80
2.00
110.40
124.20
E
E
E
CB
CA
C
ASN
ASN
ASN
89
89
89
N
1
13.24
2.00
110.40
123.64
F
F
F
CB
CA
C
ASP
ASP
ASP
7
7
7
N
1
8.38
0.90
118.30
126.68
F
F
F
CB
CG
OD1
ASP
ASP
ASP
7
7
7
N
1
-9.46
0.90
118.30
108.84
F
F
F
CB
CG
OD2
ASP
ASP
ASP
7
7
7
N
1
16.80
2.50
121.70
138.50
F
F
F
C
N
CA
CYS
ALA
ALA
9
10
10
Y
1
-14.48
1.90
110.30
95.82
F
F
F
N
CA
CB
THR
THR
THR
15
15
15
N
1
15.98
2.30
110.00
125.98
F
F
F
OG1
CB
CG2
THR
THR
THR
15
15
15
N
1
22.30
2.60
111.60
133.90
F
F
F
CB
CG
CD
GLN
GLN
GLN
16
16
16
N
1
17.69
2.70
111.60
129.29
F
F
F
CB
CA
C
THR
THR
THR
19
19
19
N
1
13.95
2.30
115.30
129.25
F
F
F
CA
CB
CG
LEU
LEU
LEU
31
31
31
N
1
-8.75
1.40
123.60
114.85
F
F
F
CD
NE
CZ
ARG
ARG
ARG
35
35
35
N
1
-13.99
1.70
113.30
99.31
F
F
F
CA
CB
CG
MET
MET
MET
37
37
37
N
1
12.43
1.60
122.70
135.13
F
F
F
O
C
N
ILE
ILE
ILE
39
39
40
Y
1
9.98
1.50
110.90
120.88
F
F
F
CA
CB
CG2
VAL
VAL
VAL
50
50
50
N
1
11.82
1.90
121.10
132.92
F
F
F
O
C
N
VAL
VAL
PRO
52
52
53
Y
1
9.14
1.50
119.30
128.44
F
F
F
C
N
CA
VAL
PRO
PRO
52
53
53
Y
1
-14.39
2.20
117.20
102.81
F
F
F
CA
C
N
GLY
GLY
SER
54
54
55
Y
1
-20.95
1.60
122.70
101.75
F
F
F
O
C
N
GLY
GLY
SER
54
54
55
Y
1
-22.12
2.50
121.70
99.58
F
F
F
C
N
CA
GLY
SER
SER
54
55
55
Y
1
-12.32
1.60
122.70
110.38
F
F
F
O
C
N
SER
SER
GLN
55
55
56
Y
1
24.65
2.50
121.70
146.35
F
F
F
C
N
CA
SER
GLN
GLN
55
56
56
Y
1
17.43
2.20
117.20
134.63
F
F
F
CA
C
N
ILE
ILE
ASP
58
58
59
Y
1
3.55
0.50
120.30
123.85
F
F
F
NE
CZ
NH1
ARG
ARG
ARG
67
67
67
N
1
-4.21
0.50
120.30
116.09
F
F
F
NE
CZ
NH2
ARG
ARG
ARG
67
67
67
N
1
14.87
2.10
111.80
126.67
F
F
F
CG
CD
NE
ARG
ARG
ARG
73
73
73
N
1
29.93
1.40
123.60
153.53
F
F
F
CD
NE
CZ
ARG
ARG
ARG
73
73
73
N
1
5.55
0.50
120.30
125.85
F
F
F
NE
CZ
NH1
ARG
ARG
ARG
73
73
73
N
1
-3.33
0.50
120.30
116.97
F
F
F
NE
CZ
NH2
ARG
ARG
ARG
73
73
73
N
1
11.00
1.50
110.10
121.10
F
F
F
CB
CA
C
ALA
ALA
ALA
75
75
75
N
1
13.30
2.20
113.40
126.70
F
F
F
CA
CB
CG
GLU
GLU
GLU
79
79
79
N
1
18.94
2.50
121.70
140.64
F
F
F
C
N
CA
GLU
ALA
ALA
79
80
80
Y
1
-15.26
1.50
110.10
94.84
F
F
F
CB
CA
C
ALA
ALA
ALA
80
80
80
N
1
12.04
2.00
118.30
130.34
F
F
F
CG
CD
OE1
GLU
GLU
GLU
83
83
83
N
1
15.09
2.20
113.40
128.49
F
F
F
CA
CB
CG
LYS
LYS
LYS
91
91
91
N
1
12.80
1.90
110.30
123.10
F
F
F
N
CA
CB
THR
THR
THR
92
92
92
N
1
-12.00
1.70
113.60
101.60
F
F
F
CA
CB
CG
HIS
HIS
HIS
94
94
94
N
1
11.54
1.90
110.10
121.64
F
F
F
CB
CA
C
SER
SER
SER
100
100
100
N
1
9.75
1.40
110.10
119.85
F
F
F
N
CA
CB
ALA
ALA
ALA
102
102
102
N
1
5.93
0.90
118.30
124.23
G
G
G
CB
CG
OD1
ASP
ASP
ASP
22
22
22
N
1
13.50
2.20
113.40
126.90
G
G
G
CA
CB
CG
LYS
LYS
LYS
23
23
23
N
1
-10.74
1.70
113.30
102.56
G
G
G
CA
CB
CG
MET
MET
MET
37
37
37
N
1
14.10
2.20
111.50
125.60
G
G
G
N
CA
CB
VAL
VAL
VAL
50
50
50
N
1
-13.31
2.00
118.30
104.99
G
G
G
CG
CD
OE2
GLU
GLU
GLU
51
51
51
N
1
-14.26
1.60
122.70
108.44
G
G
G
O
C
N
ALA
ALA
ILE
64
64
65
Y
1
7.41
1.10
119.40
126.81
G
G
G
NH1
CZ
NH2
ARG
ARG
ARG
67
67
67
N
1
-3.00
0.50
120.30
117.30
G
G
G
NE
CZ
NH1
ARG
ARG
ARG
67
67
67
N
1
-4.51
0.50
120.30
115.79
G
G
G
NE
CZ
NH2
ARG
ARG
ARG
67
67
67
N
1
3.44
0.50
120.30
123.74
G
G
G
NE
CZ
NH1
ARG
ARG
ARG
73
73
73
N
1
17.53
2.30
115.30
132.83
G
G
G
CA
CB
CG
LEU
LEU
LEU
85
85
85
N
1
21.18
2.50
121.70
142.88
G
G
G
C
N
CA
ALA
ASN
ASN
102
103
103
Y
1
9.73
1.60
122.70
132.43
H
H
H
O
C
N
HIS
HIS
THR
18
18
19
Y
1
23.74
2.70
111.60
135.34
H
H
H
CB
CA
C
THR
THR
THR
19
19
19
N
1
18.54
2.30
115.30
133.84
H
H
H
CA
CB
CG
LEU
LEU
LEU
20
20
20
N
1
4.43
0.50
120.30
124.73
H
H
H
NE
CZ
NH1
ARG
ARG
ARG
35
35
35
N
1
10.94
1.40
110.10
121.04
H
H
H
N
CA
CB
ALA
ALA
ALA
38
38
38
N
1
7.51
1.20
123.30
130.81
H
H
H
OE1
CD
OE2
GLU
GLU
GLU
51
51
51
N
1
-13.09
2.00
118.30
105.21
H
H
H
CG
CD
OE2
GLU
GLU
GLU
51
51
51
N
1
-9.75
1.60
122.70
112.95
H
H
H
O
C
N
ALA
ALA
ILE
64
64
65
Y
1
5.18
0.50
120.30
125.48
H
H
H
NE
CZ
NH1
ARG
ARG
ARG
67
67
67
N
1
-7.88
0.50
120.30
112.42
H
H
H
NE
CZ
NH2
ARG
ARG
ARG
67
67
67
N
1
7.88
0.90
118.30
126.18
H
H
H
CB
CG
OD1
ASP
ASP
ASP
70
70
70
N
1
-3.28
0.50
120.30
117.02
H
H
H
NE
CZ
NH1
ARG
ARG
ARG
73
73
73
N
1
14.68
2.30
115.30
129.98
H
H
H
CA
CB
CG
LEU
LEU
LEU
77
77
77
N
1
18.03
2.20
113.40
131.43
H
H
H
CA
CB
CG
GLU
GLU
GLU
79
79
79
N
1
28.29
2.50
121.70
149.99
H
H
H
C
N
CA
GLU
ALA
ALA
79
80
80
Y
1
-13.23
1.50
110.10
96.87
H
H
H
CB
CA
C
ALA
ALA
ALA
80
80
80
N
1
13.10
1.80
110.60
123.70
H
H
H
N
CA
CB
LYS
LYS
LYS
81
81
81
N
1
21.03
2.30
115.30
136.33
H
H
H
CA
CB
CG
LEU
LEU
LEU
85
85
85
N
1
15.20
2.50
121.70
136.90
H
H
H
C
N
CA
ASN
LYS
LYS
90
91
91
Y
1
-12.15
2.00
110.40
98.25
H
H
H
CB
CA
C
LYS
LYS
LYS
91
91
91
N
1
14.42
2.00
110.40
124.82
H
H
H
CB
CA
C
ASN
ASN
ASN
103
103
103
N
1
D
D
C
N
VAL
PRO
52
53
0.132
0.019
1.338
1.470
Y
1
E
E
C
N
GLY
SER
54
55
0.239
0.023
1.336
1.575
Y
1
F
F
C
N
GLY
SER
54
55
0.285
0.023
1.336
1.621
Y
1
F
F
C
N
SER
GLN
55
56
0.234
0.023
1.336
1.570
Y
1
F
F
C
N
GLN
HIS
56
57
-0.329
0.023
1.336
1.007
Y
1
F
F
CB
OG
SER
SER
100
100
-0.083
0.013
1.418
1.335
N
1
G
G
C
N
ALA
ILE
64
65
0.147
0.023
1.336
1.483
Y
1
H
H
C
N
ALA
ILE
64
65
0.171
0.023
1.336
1.507
Y
1
F
F
NZ
O
LYS
SER
43
55
1.81
1_555
1_455
1
F
F
CE
O
LYS
SER
43
55
2.10
1_555
1_455
1
D
PRO
2
-49.42
153.86
1
D
ASN
14
-95.74
57.78
1
D
GLN
16
-170.15
143.41
1
D
ARG
35
-140.96
41.19
1
D
LYS
43
-66.60
0.87
1
D
SER
55
-47.73
-76.58
1
D
GLN
56
-55.44
64.44
1
D
HIS
57
-154.52
89.91
1
D
ALA
80
24.14
-126.31
1
D
LYS
81
99.56
92.82
1
E
ASN
14
-118.30
53.32
1
E
GLN
16
-179.77
146.70
1
E
LYS
34
77.53
-4.02
1
E
GLU
36
-64.43
93.49
1
E
SER
55
-56.86
-106.09
1
E
GLN
56
28.88
13.40
1
E
GLU
79
73.08
30.97
1
E
GLU
83
-77.85
-71.60
1
F
GLN
16
-176.14
144.69
1
F
ARG
35
-140.31
47.61
1
F
GLN
56
-44.69
-13.69
1
F
ASP
59
111.61
-53.26
1
F
ALA
80
-34.44
-79.62
1
F
LYS
81
97.34
94.96
1
F
ASN
90
-83.19
30.89
1
F
PRO
93
-68.41
-177.11
1
G
ASN
14
-103.17
45.11
1
G
ARG
35
-145.35
26.03
1
G
PRO
53
-60.84
86.32
1
G
ALA
80
-19.43
-81.78
1
G
LYS
81
87.28
94.88
1
G
ASN
90
-73.45
30.77
1
H
GLN
3
71.90
-24.87
1
H
ASN
14
-94.73
47.41
1
H
GLN
16
176.09
140.94
1
H
GLU
79
68.50
60.26
1
H
ALA
80
-13.05
-80.23
1
H
LYS
81
74.71
90.57
1
H
GLU
83
-95.08
-67.85
20.37
0.171
2.4
16703
1
1.5
2.4
204
4274
0
0
4070
0.019
0.020
0.037
0.040
0.038
0.060
1FGB
0.048
1
data collection
XENGEN
model building
X-PLOR
refinement
PROFFT
refinement
X-PLOR
data reduction
XENGEN
phasing
X-PLOR
CHOLERA TOXIN B SUBUNIT PENTAMER
TOXIN
1
N
N
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
2
N
N
D
ILE
5
A
ILE
5
HELX_P
D
GLU
11
A
GLU
11
1
1
7
D
LYS
63
A
LYS
63
HELX_P
D
LEU
77
A
LEU
77
1
2
15
E
ILE
5
B
ILE
5
HELX_P
E
GLU
11
B
GLU
11
1
3
7
E
ASP
59
B
ASP
59
HELX_P
E
THR
78
B
THR
78
1
4
20
F
ILE
5
C
ILE
5
HELX_P
F
GLU
11
C
GLU
11
1
5
7
F
LYS
62
C
LYS
62
HELX_P
F
LEU
77
C
LEU
77
1
6
16
G
ILE
5
D
ILE
5
HELX_P
G
GLU
11
D
GLU
11
1
7
7
G
SER
60
D
SER
60
HELX_P
G
THR
78
D
THR
78
1
8
19
H
ILE
5
E
ILE
5
HELX_P
H
GLU
11
E
GLU
11
1
9
7
H
LYS
63
E
LYS
63
HELX_P
H
THR
78
E
THR
78
1
10
16
disulf
2.025
D
CYS
9
A
SG
CYS
9
1_555
D
CYS
86
A
SG
CYS
86
1_555
disulf
2.138
E
CYS
9
B
SG
CYS
9
1_555
E
CYS
86
B
SG
CYS
86
1_555
disulf
2.050
F
CYS
9
C
SG
CYS
9
1_555
F
CYS
86
C
SG
CYS
86
1_555
disulf
2.063
G
CYS
9
D
SG
CYS
9
1_555
G
CYS
86
D
SG
CYS
86
1_555
disulf
2.091
H
CYS
9
E
SG
CYS
9
1_555
H
CYS
86
E
SG
CYS
86
1_555
ENTEROTOXIN
CHOLERA TOXIN, CHOLERAGENOID, ENTEROTOXIN, ADP-RIBOSYLATION
D
THR
92
A
THR
92
1
D
PRO
93
A
PRO
93
-2.70
E
THR
92
B
THR
92
1
E
PRO
93
B
PRO
93
-0.87
F
THR
92
C
THR
92
1
F
PRO
93
C
PRO
93
-3.57
G
THR
92
D
THR
92
1
G
PRO
93
D
PRO
93
-0.69
H
THR
92
E
THR
92
1
H
PRO
93
E
PRO
93
1.25
CHTB_VIBCH
UNP
1
1
P01556
MIKLKFGVFFTVLLSSAYAHGTPQNITDLCAEYHNTQIYTLNDKIFSYTESLAGKREMAIITFKNGAIFQVEVPGSQHID
SQKKAIERMKDTLRIAYLTEAKVEKLCVWNNKTPHAIAAISMAN
22
124
1FGB
1
103
P01556
D
1
1
103
22
124
1FGB
1
103
P01556
E
1
1
103
22
124
1FGB
1
103
P01556
F
1
1
103
22
124
1FGB
1
103
P01556
G
1
1
103
22
124
1FGB
1
103
P01556
H
1
1
103
1
TYR
CONFLICT
HIS
18
1FGB
D
P01556
UNP
39
18
1
ILE
CONFLICT
THR
47
1FGB
D
P01556
UNP
68
47
2
TYR
CONFLICT
HIS
18
1FGB
E
P01556
UNP
39
18
2
ILE
CONFLICT
THR
47
1FGB
E
P01556
UNP
68
47
3
TYR
CONFLICT
HIS
18
1FGB
F
P01556
UNP
39
18
3
ILE
CONFLICT
THR
47
1FGB
F
P01556
UNP
68
47
4
TYR
CONFLICT
HIS
18
1FGB
G
P01556
UNP
39
18
4
ILE
CONFLICT
THR
47
1FGB
G
P01556
UNP
68
47
5
TYR
CONFLICT
HIS
18
1FGB
H
P01556
UNP
39
18
5
ILE
CONFLICT
THR
47
1FGB
H
P01556
UNP
68
47
6
6
6
6
6
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
D
THR
15
A
THR
15
D
THR
19
A
THR
19
D
VAL
82
A
VAL
82
D
TRP
88
A
TRP
88
D
ALA
98
A
ALA
98
D
ALA
102
A
ALA
102
H
SER
26
E
SER
26
H
SER
30
E
SER
30
H
ALA
38
E
ALA
38
H
THR
41
E
THR
41
H
THR
47
E
THR
47
H
VAL
50
E
VAL
50
E
THR
15
B
THR
15
E
THR
19
B
THR
19
E
LYS
84
B
LYS
84
E
TRP
88
B
TRP
88
E
ALA
95
B
ALA
95
E
ALA
102
B
ALA
102
D
SER
26
A
SER
26
D
SER
30
A
SER
30
D
ALA
38
A
ALA
38
D
THR
41
A
THR
41
D
THR
47
A
THR
47
D
VAL
50
A
VAL
50
F
THR
15
C
THR
15
F
THR
19
C
THR
19
F
VAL
82
C
VAL
82
F
TRP
88
C
TRP
88
F
ALA
98
C
ALA
98
F
ALA
102
C
ALA
102
E
SER
26
B
SER
26
E
SER
30
B
SER
30
E
MET
37
B
MET
37
E
THR
41
B
THR
41
E
THR
47
B
THR
47
E
VAL
50
B
VAL
50
G
THR
15
D
THR
15
G
THR
19
D
THR
19
G
LYS
84
D
LYS
84
G
TRP
88
D
TRP
88
G
ALA
95
D
ALA
95
G
ALA
102
D
ALA
102
F
SER
26
C
SER
26
F
SER
30
C
SER
30
F
MET
37
C
MET
37
F
THR
41
C
THR
41
F
THR
47
C
THR
47
F
VAL
50
C
VAL
50
H
THR
15
E
THR
15
H
THR
19
E
THR
19
H
VAL
82
E
VAL
82
H
TRP
88
E
TRP
88
H
ALA
98
E
ALA
98
H
ALA
102
E
ALA
102
G
SER
26
D
SER
26
G
SER
30
D
SER
30
G
MET
37
D
MET
37
G
THR
41
D
THR
41
G
THR
47
D
THR
47
G
VAL
50
D
VAL
50
EACH B SUBUNIT HAS A BINDING SITE, 5 BINDING SITES IN TOTAL.
Unknown
35
D
ALA
46
A
ALA
46
35
1_555
D
GLU
51
A
GLU
51
35
1_555
D
GLN
56
A
GLN
56
35
1_555
D
GLN
61
A
GLN
61
35
1_555
D
TRP
88
A
TRP
88
35
1_555
D
ASN
90
A
ASN
90
35
1_555
D
LYS
91
A
LYS
91
35
1_555
E
ALA
46
B
ALA
46
35
1_555
E
GLU
51
B
GLU
51
35
1_555
E
GLN
56
B
GLN
56
35
1_555
E
GLN
61
B
GLN
61
35
1_555
E
TRP
88
B
TRP
88
35
1_555
E
ASN
90
B
ASN
90
35
1_555
E
LYS
91
B
LYS
91
35
1_555
F
ALA
46
C
ALA
46
35
1_555
F
GLU
51
C
GLU
51
35
1_555
F
GLN
56
C
GLN
56
35
1_555
F
GLN
61
C
GLN
61
35
1_555
F
TRP
88
C
TRP
88
35
1_555
F
ASN
90
C
ASN
90
35
1_555
F
LYS
91
C
LYS
91
35
1_555
G
ALA
46
D
ALA
46
35
1_555
G
GLU
51
D
GLU
51
35
1_555
G
GLN
56
D
GLN
56
35
1_555
G
GLN
61
D
GLN
61
35
1_555
G
TRP
88
D
TRP
88
35
1_555
G
ASN
90
D
ASN
90
35
1_555
G
LYS
91
D
LYS
91
35
1_555
H
ALA
46
E
ALA
46
35
1_555
H
GLU
51
E
GLU
51
35
1_555
H
GLN
56
E
GLN
56
35
1_555
H
GLN
61
E
GLN
61
35
1_555
H
TRP
88
E
TRP
88
35
1_555
H
ASN
90
E
ASN
90
35
1_555
H
LYS
91
E
LYS
91
35
1_555
4
P 1 21 1