1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Holaday Jr., S.K.
Martin, B.M.
Fletcher Jr., P.L.
Krishna, N.R.
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 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
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
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
O
N
97
N
O
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
N
N
108
N
C
N
109
N
C
N
110
N
O
N
111
N
O
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
N
N
118
S
C
N
119
N
C
N
120
N
O
N
121
N
C
Y
122
N
C
Y
123
N
N
Y
124
N
C
Y
125
N
C
Y
126
N
N
N
127
N
O
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
N
N
139
S
C
N
140
N
C
N
141
N
O
N
142
N
C
N
143
N
C
N
144
N
C
N
145
N
C
N
146
N
O
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
N
N
161
S
C
N
162
N
C
N
163
N
O
N
164
N
C
N
165
N
C
N
166
N
C
N
167
N
C
N
168
N
N
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
N
N
186
S
C
N
187
N
C
N
188
N
O
N
189
N
C
N
190
N
C
N
191
N
S
N
192
N
C
N
193
N
O
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
Y
210
N
C
Y
211
N
C
Y
212
N
C
Y
213
N
C
Y
214
N
C
Y
215
N
C
N
216
N
O
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
N
N
229
S
C
N
230
N
C
N
231
N
O
N
232
N
C
N
233
N
C
N
234
N
C
N
235
N
O
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
N
N
246
S
C
N
247
N
C
N
248
N
O
N
249
N
C
N
250
N
O
N
251
N
O
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
N
N
260
S
C
N
261
N
C
N
262
N
O
N
263
R
C
N
264
N
O
N
265
N
C
N
266
N
O
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
N
N
277
S
C
N
278
N
C
N
279
N
O
N
280
N
C
Y
281
N
C
Y
282
N
C
Y
283
N
C
Y
284
N
N
Y
285
N
C
Y
286
N
C
Y
287
N
C
Y
288
N
C
Y
289
N
C
N
290
N
O
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
N
N
304
S
C
N
305
N
C
N
306
N
O
N
307
N
C
Y
308
N
C
Y
309
N
C
Y
310
N
C
Y
311
N
C
Y
312
N
C
Y
313
N
C
N
314
N
O
N
315
N
O
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
doub
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
Y
121
N
sing
Y
122
N
doub
Y
123
N
doub
N
124
N
sing
Y
125
N
sing
N
126
N
sing
Y
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
doub
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
doub
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
doub
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
doub
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
Y
206
N
doub
Y
207
N
sing
Y
208
N
sing
N
209
N
sing
Y
210
N
doub
N
211
N
sing
Y
212
N
doub
N
213
N
sing
Y
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
doub
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
doub
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
doub
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
Y
275
N
doub
Y
276
N
sing
Y
277
N
sing
N
278
N
sing
Y
279
N
doub
Y
280
N
sing
Y
281
N
sing
N
282
N
sing
Y
283
N
sing
Y
284
N
doub
N
285
N
sing
Y
286
N
doub
N
287
N
sing
Y
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
doub
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
Y
303
N
doub
Y
304
N
sing
Y
305
N
sing
N
306
N
sing
Y
307
N
doub
N
308
N
sing
Y
309
N
doub
N
310
N
sing
Y
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
US
Arch.Biochem.Biophys.
ABBIA4
0158
0003-9861
379
18
27
10.1006/abbi.2000.1858
10864437
NMR solution structure of butantoxin.
2000
10.2210/pdb1c55/pdb
pdb_00001c55
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
4521.282
BUTANTOXIN
1
nat
polymer
no
no
WCSTCLDLACGASRECYDPCFKAFGRAHGKCMNNKCRCYT
WCSTCLDLACGASRECYDPCFKAFGRAHGKCMNNKCRCYT
A
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
Brazilian scorpion
Tityus
sample
6887
Tityus serrulatus
VENOM
database_2
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Data collection
1
0
2000-07-19
1
1
2008-04-26
1
2
2011-07-13
1
3
2022-02-16
1
4
2023-12-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
RCSB
Y
RCSB
1999-10-19
REL
LEAST RESTRAINT VIOLATION
100
35
COSY
DQF-COSY
NOESY
TOCSY
50
5.0
1
atm
293
K
distance geometry
90% WATER/10% D2O
BRUNGER
refinement
X-PLOR
3.8
structure solution
Felix
97.2
600
Bruker
AM-600
TRP
1
n
1
TRP
1
A
CYS
2
n
2
CYS
2
A
SER
3
n
3
SER
3
A
THR
4
n
4
THR
4
A
CYS
5
n
5
CYS
5
A
LEU
6
n
6
LEU
6
A
ASP
7
n
7
ASP
7
A
LEU
8
n
8
LEU
8
A
ALA
9
n
9
ALA
9
A
CYS
10
n
10
CYS
10
A
GLY
11
n
11
GLY
11
A
ALA
12
n
12
ALA
12
A
SER
13
n
13
SER
13
A
ARG
14
n
14
ARG
14
A
GLU
15
n
15
GLU
15
A
CYS
16
n
16
CYS
16
A
TYR
17
n
17
TYR
17
A
ASP
18
n
18
ASP
18
A
PRO
19
n
19
PRO
19
A
CYS
20
n
20
CYS
20
A
PHE
21
n
21
PHE
21
A
LYS
22
n
22
LYS
22
A
ALA
23
n
23
ALA
23
A
PHE
24
n
24
PHE
24
A
GLY
25
n
25
GLY
25
A
ARG
26
n
26
ARG
26
A
ALA
27
n
27
ALA
27
A
HIS
28
n
28
HIS
28
A
GLY
29
n
29
GLY
29
A
LYS
30
n
30
LYS
30
A
CYS
31
n
31
CYS
31
A
MET
32
n
32
MET
32
A
ASN
33
n
33
ASN
33
A
ASN
34
n
34
ASN
34
A
LYS
35
n
35
LYS
35
A
CYS
36
n
36
CYS
36
A
ARG
37
n
37
ARG
37
A
CYS
38
n
38
CYS
38
A
TYR
39
n
39
TYR
39
A
THR
40
n
40
THR
40
A
author_defined_assembly
1
monomeric
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
A
O
LYS
30
A
O
LYS
30
A
N
ARG
37
A
N
ARG
37
2
A
A
O
H
MET
LYS
32
35
1.55
2
A
A
HG1
O
THR
CYS
4
38
1.57
3
A
A
O
H
PRO
ALA
19
23
1.54
3
A
A
H
O
LYS
ARG
30
37
1.57
5
A
A
O
H
LYS
ARG
30
37
1.49
6
A
A
H
O
MET
LYS
32
35
1.51
7
A
A
O
H
LYS
ARG
30
37
1.49
7
A
A
H
O
LYS
ARG
30
37
1.51
10
A
A
H
O
MET
LYS
32
35
1.51
10
A
A
O
H
PRO
ALA
19
23
1.54
12
A
A
HG1
O
THR
CYS
4
38
1.51
13
A
A
O
H
PRO
ALA
19
23
1.51
13
A
A
H
O
LYS
ARG
30
37
1.57
13
A
A
O
H
MET
LYS
32
35
1.58
14
A
A
H
O
MET
LYS
32
35
1.47
14
A
A
O
H
LYS
ARG
30
37
1.53
14
A
A
H
O
LYS
ARG
30
37
1.57
16
A
A
O
H
LYS
ARG
30
37
1.51
16
A
A
O
H
PRO
ALA
19
23
1.59
16
A
A
H
O
LYS
ARG
30
37
1.60
17
A
A
O
H
PRO
ALA
19
23
1.55
19
A
A
H
O
LYS
ARG
30
37
1.60
20
A
A
O
H
MET
LYS
32
35
1.54
20
A
A
O
H
PRO
ALA
19
23
1.57
20
A
A
H
O
LYS
ARG
30
37
1.57
20
A
A
O
H
LYS
ARG
30
37
1.59
22
A
A
O
H
PRO
ALA
19
23
1.56
23
A
A
O
H
MET
LYS
32
35
1.51
25
A
A
O
H
LYS
ARG
30
37
1.48
25
A
A
H
O
MET
LYS
32
35
1.51
27
A
A
H
O
LYS
ARG
30
37
1.53
27
A
A
O
H
LYS
ARG
30
37
1.56
28
A
A
O
H
PRO
ALA
19
23
1.56
30
A
A
O
H
MET
LYS
32
35
1.60
31
A
A
O
H
MET
LYS
32
35
1.59
32
A
A
O
H
MET
LYS
32
35
1.59
34
A
A
O
H
LYS
ARG
30
37
1.57
35
A
A
HG1
O
THR
CYS
4
38
1.50
35
A
A
H
O
LYS
ARG
30
37
1.58
35
A
A
O
H
MET
LYS
32
35
1.59
35
A
A
O
H
LYS
ARG
30
37
1.59
1
A
SER
3
-153.61
-57.68
1
A
CYS
10
-49.13
177.22
2
A
SER
3
-91.38
-81.46
2
A
PHE
24
-90.35
-69.11
2
A
ALA
27
-69.70
66.07
3
A
SER
3
-104.31
-85.30
3
A
HIS
28
-164.49
78.79
3
A
LYS
30
-138.31
-143.70
4
A
SER
3
-101.56
-76.38
4
A
ALA
23
-90.46
-72.90
4
A
LYS
30
-124.55
-168.25
5
A
CYS
2
-57.95
175.21
5
A
SER
3
-84.32
-90.25
5
A
THR
4
-59.42
84.77
6
A
SER
3
-82.61
-95.20
6
A
PHE
24
-81.18
-88.37
6
A
ALA
27
-68.07
90.08
7
A
CYS
2
-148.90
-156.47
7
A
SER
3
-155.92
-34.63
7
A
ALA
27
-59.01
83.83
8
A
CYS
2
-39.66
106.52
8
A
SER
3
-78.87
-90.06
8
A
THR
4
-63.20
82.25
8
A
ALA
27
-88.82
49.99
8
A
LYS
30
-162.36
-141.16
8
A
ASN
34
59.66
15.47
9
A
CYS
2
-160.43
62.72
9
A
THR
4
-90.65
43.88
9
A
ASP
7
-98.01
30.86
9
A
ALA
23
-90.08
-73.52
9
A
HIS
28
-168.06
108.45
9
A
LYS
30
-132.52
-154.70
9
A
ASN
34
72.58
-1.41
10
A
CYS
2
-159.82
-152.75
10
A
SER
3
-78.78
-71.55
10
A
THR
4
-86.62
39.79
10
A
PHE
24
-90.96
-73.80
10
A
ALA
27
-64.86
92.68
10
A
HIS
28
-164.56
104.96
11
A
CYS
2
-81.49
-153.66
11
A
SER
3
-83.57
-75.22
11
A
HIS
28
-161.92
82.93
11
A
ASN
34
58.23
14.92
12
A
SER
3
-110.23
-77.87
12
A
THR
4
-86.09
43.09
12
A
LYS
30
-133.09
-155.42
12
A
ASN
34
56.69
16.21
13
A
PHE
24
-87.82
-78.30
13
A
ARG
26
-100.96
74.62
13
A
ALA
27
-47.89
90.86
13
A
HIS
28
-164.56
87.34
13
A
ASN
34
55.50
17.60
14
A
CYS
2
-58.61
-141.83
14
A
SER
3
-133.73
-91.85
14
A
LYS
22
-90.21
-63.78
14
A
PHE
24
-90.08
-69.26
14
A
HIS
28
-169.35
90.89
15
A
SER
3
-133.46
-68.61
15
A
PHE
24
-90.58
-76.61
15
A
ALA
27
-50.15
88.57
16
A
CYS
2
-102.08
-168.56
16
A
SER
3
-147.73
-74.82
16
A
ASP
7
-87.57
34.89
16
A
ALA
27
-44.76
92.66
16
A
HIS
28
-161.16
83.10
17
A
SER
3
-130.61
-83.47
17
A
ALA
23
-48.20
-70.01
17
A
PHE
24
-90.38
-62.31
17
A
ALA
27
-60.19
94.67
17
A
ASN
34
59.24
14.92
18
A
SER
3
-69.47
-133.41
18
A
CYS
10
-100.89
-169.27
18
A
ALA
27
-88.34
36.21
19
A
SER
3
-102.84
-118.81
19
A
THR
4
-88.68
48.73
19
A
ALA
27
-80.21
49.07
19
A
HIS
28
-107.07
78.91
19
A
LYS
30
-140.04
-147.94
19
A
ASN
34
58.17
17.98
20
A
CYS
2
-134.12
-152.53
20
A
SER
3
-148.96
-71.12
20
A
ALA
23
-68.09
-71.55
21
A
SER
3
-97.30
-83.49
21
A
ALA
27
-56.31
101.99
21
A
HIS
28
-164.94
86.24
21
A
ASN
33
57.13
17.96
21
A
ASN
34
74.60
-0.91
22
A
SER
3
-85.29
-140.88
22
A
CYS
10
-110.28
-169.48
22
A
ALA
23
-68.72
-72.32
22
A
PHE
24
-90.56
-74.97
22
A
LYS
30
-168.22
-151.86
22
A
ASN
34
58.57
12.74
22
A
TYR
39
-60.75
-164.59
23
A
CYS
2
-153.55
79.98
23
A
THR
4
-90.19
57.96
23
A
ALA
23
-90.53
-74.88
23
A
PHE
24
-88.36
-74.95
23
A
ALA
27
-68.30
61.54
24
A
THR
4
-89.87
33.84
24
A
ASN
34
55.16
17.97
25
A
SER
3
-108.90
-91.88
25
A
THR
4
-59.08
79.97
25
A
ALA
23
-90.64
-71.71
25
A
ALA
27
-69.65
68.69
26
A
SER
3
-149.83
-60.92
26
A
THR
4
-90.69
54.11
26
A
ALA
23
-86.02
-75.93
26
A
HIS
28
-162.45
81.51
26
A
ASN
34
56.65
16.01
27
A
THR
4
-89.93
33.82
27
A
ALA
23
-90.54
-69.61
27
A
ALA
27
-65.35
65.57
27
A
LYS
30
-153.95
-156.81
28
A
SER
3
-86.16
-93.93
28
A
ASP
7
-95.10
42.74
28
A
PHE
24
-90.41
-78.88
28
A
ALA
27
-57.17
85.91
29
A
CYS
2
-75.37
-157.76
29
A
SER
3
-142.81
-57.86
29
A
ALA
23
-87.27
-75.89
29
A
LYS
30
-119.00
-156.78
30
A
CYS
10
-71.57
-167.41
30
A
ALA
23
-90.55
-70.19
30
A
ALA
27
-59.95
80.00
30
A
LYS
30
-127.90
-133.10
30
A
ASN
34
75.02
-3.79
31
A
SER
3
-83.59
-143.38
31
A
ALA
23
-80.34
-72.94
31
A
HIS
28
-152.03
81.32
31
A
ASN
34
55.01
19.71
32
A
SER
3
-70.46
-127.03
32
A
HIS
28
-152.98
83.04
32
A
LYS
30
-143.27
-143.42
32
A
ASN
34
72.83
-2.28
33
A
SER
3
-87.69
-96.14
33
A
HIS
28
-170.58
71.01
33
A
TYR
39
-60.60
-166.75
34
A
CYS
2
-120.34
-131.84
34
A
SER
3
-136.10
-95.22
34
A
PHE
24
-90.64
-69.96
34
A
ALA
27
-49.33
101.04
34
A
HIS
28
-167.14
97.94
35
A
SER
3
-138.71
-73.11
35
A
THR
4
-90.51
32.59
35
A
ALA
23
-90.02
-72.22
35
A
ALA
27
-69.88
55.65
NMR SOLUTION STRUCTURE OF BUTANTOXIN
1
N
N
A
SER
13
A
SER
13
HELX_P
A
ALA
23
A
ALA
23
1
1
11
disulf
2.021
A
CYS
2
A
SG
CYS
2
1_555
A
CYS
5
A
SG
CYS
5
1_555
disulf
2.022
A
CYS
10
A
SG
CYS
10
1_555
A
CYS
31
A
SG
CYS
31
1_555
disulf
2.018
A
CYS
16
A
SG
CYS
16
1_555
A
CYS
36
A
SG
CYS
36
1_555
disulf
2.019
A
CYS
20
A
SG
CYS
20
1_555
A
CYS
38
A
SG
CYS
38
1_555
TOXIN
BUTANTOXIN, TOXIN
SCK4_TITSE
UNP
1
1
P59936
1
40
1C55
1
40
P59936
A
1
1
40
2
anti-parallel
A
GLY
29
A
GLY
29
A
MET
32
A
MET
32
A
LYS
35
A
LYS
35
A
CYS
38
A
CYS
38
1
P 1