1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Massiah, M.A.
Ko, Y.H.
Pedersen, P.L.
Mildvan, A.S.
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
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 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
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
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
S
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
O
N
83
N
O
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
N
N
94
N
C
N
95
N
C
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
N
N
104
S
C
N
105
N
C
N
106
N
O
N
107
S
C
N
108
N
C
N
109
N
C
N
110
N
C
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
H
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
N
N
126
S
C
N
127
N
C
N
128
N
O
N
129
N
C
N
130
N
C
N
131
N
C
N
132
N
C
N
133
N
N
N
134
N
O
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
N
N
151
S
C
N
152
N
C
N
153
N
O
N
154
N
C
N
155
N
C
N
156
N
S
N
157
N
C
N
158
N
O
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
N
N
171
S
C
N
172
N
C
N
173
N
O
N
174
N
C
Y
175
N
C
Y
176
N
C
Y
177
N
C
Y
178
N
C
Y
179
N
C
Y
180
N
C
N
181
N
O
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
N
N
194
S
C
N
195
N
C
N
196
N
O
N
197
N
C
N
198
N
C
N
199
N
C
N
200
N
O
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
N
N
211
S
C
N
212
N
C
N
213
N
O
N
214
N
C
N
215
N
O
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
N
N
225
S
C
N
226
N
C
N
227
N
O
N
228
R
C
N
229
N
O
N
230
N
C
N
231
N
O
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
N
N
242
S
C
N
243
N
C
N
244
N
O
N
245
N
C
Y
246
N
C
Y
247
N
C
Y
248
N
C
Y
249
N
C
Y
250
N
C
Y
251
N
C
N
252
N
O
N
253
N
O
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
N
N
266
S
C
N
267
N
C
N
268
N
O
N
269
N
C
N
270
N
C
N
271
N
C
N
272
N
O
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
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
doub
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
doub
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
doub
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
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
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
doub
N
125
N
sing
N
126
N
sing
N
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
sing
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
doub
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
sing
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
doub
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
Y
172
N
doub
Y
173
N
sing
Y
174
N
sing
N
175
N
sing
Y
176
N
doub
N
177
N
sing
Y
178
N
doub
N
179
N
sing
Y
180
N
sing
N
181
N
sing
N
182
N
sing
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
doub
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
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
doub
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
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
doub
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
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
doub
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
Y
241
N
doub
Y
242
N
sing
Y
243
N
sing
N
244
N
sing
Y
245
N
doub
N
246
N
sing
Y
247
N
doub
N
248
N
sing
Y
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
doub
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
sing
N
271
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
38
7453
7461
10.1021/bi9903603
10360942
Cystic fibrosis transmembrane conductance regulator: solution structures of peptides based on the Phe508 region, the most common site of disease-causing DeltaF508 mutation.
1999
1
10.2210/pdb1ckx/pdb
pdb_00001ckx
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
3054.520
Cystic fibrosis transmembrane conductance regulator (CFTR)
P26 IN TRIFLUOROETHANOL
1
syn
polymer
P26_TFE
no
no
MPGTIKENIIFGVSYDEYRYRSVIKA
MPGTIKENIIFGVSYDEYRYRSVIKA
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
database_2
pdbx_struct_assembly
pdbx_struct_oper_list
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Data collection
1
0
1999-05-04
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
BNL
Y
RCSB
1999-04-26
REL
REL
THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE IS BASED ON THE PHE508 REGION OF CF.
sample
THE SOLUTION STRUCTURES OF THE PEPTIDE (P26) BASED ON THE PHE508 REGION OF
CFTR WERE DETERMINED BY HOMONUCLEAR 1H NMR SPECTROSCOPY PERFORMED AT 600 MHZ.
THE PEPTIDE WAS SYNTHETICALLY MADE AND WAS UNLABELED. NOESY AT 100, 200 AND 300
MS MIXING TIMES, A TOCSY AT 65 MS AND COSY SPECTRA WERE COLLECTED AT 25OC IN
43% TFE-D2 AND H2O.
LEAST RESTRAINTS VIOLATIONS AND LOW ENERGY
50
13
NOESY
COSY
TOCSY SPECTRA
4.0
1
atm
298
K
distance geometry
1
43% TRIFLUROETHANOL-D2 / H2O
BRUNGER
refinement
X-PLOR
3.8
structure solution
NMRVIEW2.1
600
Varian
UNITYPLUS
MET
1
n
1
MET
1
A
PRO
2
n
2
PRO
2
A
GLY
3
n
3
GLY
3
A
THR
4
n
4
THR
4
A
ILE
5
n
5
ILE
5
A
LYS
6
n
6
LYS
6
A
GLU
7
n
7
GLU
7
A
ASN
8
n
8
ASN
8
A
ILE
9
n
9
ILE
9
A
ILE
10
n
10
ILE
10
A
PHE
11
n
11
PHE
11
A
GLY
12
n
12
GLY
12
A
VAL
13
n
13
VAL
13
A
SER
14
n
14
SER
14
A
TYR
15
n
15
TYR
15
A
ASP
16
n
16
ASP
16
A
GLU
17
n
17
GLU
17
A
TYR
18
n
18
TYR
18
A
ARG
19
n
19
ARG
19
A
TYR
20
n
20
TYR
20
A
ARG
21
n
21
ARG
21
A
SER
22
n
22
SER
22
A
VAL
23
n
23
VAL
23
A
ILE
24
n
24
ILE
24
A
LYS
25
n
25
LYS
25
A
ALA
26
n
26
ALA
26
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
1
A
A
O
H
GLU
PHE
7
11
1.44
2
A
A
O
H
ILE
SER
10
14
1.55
2
A
A
O
H
GLU
PHE
7
11
1.56
5
A
A
O
H
GLU
PHE
7
11
1.46
7
A
A
O
H
GLU
ILE
7
10
1.60
8
A
A
O
H
ILE
SER
10
14
1.56
8
A
A
O
H
TYR
SER
18
22
1.60
9
A
A
O
H
TYR
VAL
20
23
1.51
11
A
A
O
H
THR
ASN
4
8
1.51
12
A
A
O
H
ILE
SER
10
14
1.45
13
A
A
O
H
ILE
SER
10
14
1.50
13
A
A
O
H
TYR
ARG
15
19
1.57
13
A
A
O
H
GLU
ILE
7
10
1.57
1
A
ARG
19
0.317
SIDE CHAIN
1
A
ARG
21
0.168
SIDE CHAIN
2
A
ARG
19
0.159
SIDE CHAIN
2
A
ARG
21
0.297
SIDE CHAIN
3
A
ARG
19
0.133
SIDE CHAIN
3
A
ARG
21
0.252
SIDE CHAIN
4
A
ARG
19
0.312
SIDE CHAIN
4
A
ARG
21
0.318
SIDE CHAIN
5
A
ARG
19
0.090
SIDE CHAIN
5
A
ARG
21
0.315
SIDE CHAIN
6
A
ARG
19
0.225
SIDE CHAIN
6
A
ARG
21
0.313
SIDE CHAIN
7
A
ARG
19
0.271
SIDE CHAIN
7
A
ARG
21
0.195
SIDE CHAIN
8
A
ARG
21
0.277
SIDE CHAIN
9
A
ARG
19
0.278
SIDE CHAIN
9
A
ARG
21
0.305
SIDE CHAIN
10
A
ARG
19
0.311
SIDE CHAIN
10
A
ARG
21
0.318
SIDE CHAIN
11
A
ARG
19
0.126
SIDE CHAIN
11
A
ARG
21
0.317
SIDE CHAIN
12
A
ARG
19
0.256
SIDE CHAIN
12
A
ARG
21
0.173
SIDE CHAIN
13
A
ARG
19
0.147
SIDE CHAIN
13
A
ARG
21
0.313
SIDE CHAIN
2
A
LYS
25
-64.21
-170.14
4
A
PRO
2
-72.64
-168.02
4
A
LYS
25
40.81
-94.36
7
A
ILE
10
-124.85
-52.23
7
A
ILE
24
-142.80
38.61
7
A
LYS
25
-54.00
-71.93
9
A
THR
4
-137.94
-36.41
9
A
TYR
20
-95.42
-72.72
10
A
ILE
10
-121.96
-52.32
11
A
THR
4
-137.88
-42.79
11
A
ILE
10
-120.55
-52.11
13
A
LYS
25
42.38
84.22
Cystic fibrosis transmembrane conductance regulator: Solution structures of peptides based on the Phe508 region, the most common site of disease-causing Delta-F508 mutation
1
N
N
A
THR
4
A
THR
4
HELX_P
A
LYS
25
A
LYS
25
1
H1
22
METAL TRANSPORT
P26_TFE, CYSTIC FIBROSIS, PEPTIDES, METAL TRANSPORT
CFTR_SHEEP
UNP
1
Q00555
497
522
1CKX
1
26
Q00555
A
1
1
26
1
ASP
SEE REMARK 999
GLU
7
1CKX
A
Q00555
UNP
503
7
1
P 1