1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Lowman, H.B.
Chen, Y.M.
Skelton, N.J.
Mortensen, D.L.
Tomlinson, E.E.
Sadick, M.D.
Robinson, I.C.
Clark, R.G.
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
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
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
H2 N
16.023
AMINO GROUP
non-polymer
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
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
R
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
S
N
47
N
O
N
48
N
H
N
49
N
H
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
N
N
56
S
C
N
57
N
C
N
58
N
O
N
59
N
C
N
60
N
C
N
61
N
C
N
62
N
O
N
63
N
N
N
64
N
O
N
65
N
H
N
66
N
H
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
H
N
75
N
N
N
76
S
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
C
N
81
N
C
N
82
N
O
N
83
N
O
N
84
N
O
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
H
N
94
N
N
N
95
N
C
N
96
N
C
N
97
N
O
N
98
N
O
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
N
N
105
S
C
N
106
N
C
N
107
N
O
N
108
N
C
N
109
N
C
N
110
N
C
N
111
N
C
N
112
N
O
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
H
N
126
N
N
N
127
S
C
N
128
N
C
N
129
N
O
N
130
N
C
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
N
N
135
N
O
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
H
N
151
N
N
N
152
N
H
N
153
N
H
N
154
N
N
N
155
S
C
N
156
N
C
N
157
N
O
N
158
N
C
Y
159
N
C
Y
160
N
C
Y
161
N
C
Y
162
N
C
Y
163
N
C
Y
164
N
C
N
165
N
O
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
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
N
N
178
S
C
N
179
N
C
N
180
N
O
N
181
N
C
N
182
N
C
N
183
N
C
N
184
N
O
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
H
N
194
N
N
N
195
S
C
N
196
N
C
N
197
N
O
N
198
N
C
Y
199
N
C
Y
200
N
C
Y
201
N
C
Y
202
N
N
Y
203
N
C
Y
204
N
C
Y
205
N
C
Y
206
N
C
Y
207
N
C
N
208
N
O
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
N
N
222
S
C
N
223
N
C
N
224
N
O
N
225
N
C
Y
226
N
C
Y
227
N
C
Y
228
N
C
Y
229
N
C
Y
230
N
C
Y
231
N
C
N
232
N
O
N
233
N
O
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
H
N
242
N
H
N
243
N
H
N
244
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
sing
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
doub
N
59
N
sing
N
60
N
sing
N
61
N
sing
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
sing
N
77
N
doub
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
doub
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
sing
N
95
N
doub
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
sing
N
104
N
doub
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
sing
N
125
N
doub
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
sing
N
149
N
sing
N
150
N
sing
N
151
N
doub
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
Y
156
N
doub
Y
157
N
sing
Y
158
N
sing
N
159
N
sing
Y
160
N
doub
N
161
N
sing
Y
162
N
doub
N
163
N
sing
Y
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
doub
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
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
sing
N
191
N
doub
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
Y
196
N
doub
Y
197
N
sing
Y
198
N
sing
N
199
N
sing
Y
200
N
doub
Y
201
N
sing
Y
202
N
sing
N
203
N
sing
Y
204
N
sing
Y
205
N
doub
N
206
N
sing
Y
207
N
doub
N
208
N
sing
Y
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
doub
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
Y
224
N
doub
Y
225
N
sing
Y
226
N
sing
N
227
N
sing
Y
228
N
doub
N
229
N
sing
Y
230
N
doub
N
231
N
sing
Y
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
40
8487
8498
10.1021/bi980426e
11456486
Structure-function analysis of a phage display-derived peptide that binds to insulin-like growth factor binding protein 1.
2001
10.2210/pdb1gje/pdb
pdb_00001gje
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1771.094
IGFBP-1 antagonist
1
syn
polymer
no
yes
CRAGPLQWLCEKYFG(NH2)
CRAGPLQWLCEKYFGX
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
chem_comp_atom
chem_comp_bond
database_2
pdbx_nmr_software
struct_conn
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Data collection
Database references
Derived calculations
1
0
2001-05-30
1
1
2008-04-26
1
2
2011-07-13
1
3
2023-12-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
_struct_conn.pdbx_leaving_atom_flag
peptide antagonist of IGFBP1, (i,i+7) covalently restrained analog
peptide antagonist of IGFBP1, (i,i+8) covalently restrained analog
peptide antagonist of IGFBP-1
peptide antagonist of IGFBP1, (i,i+7) covalently restrained analog, minimized average structure
peptide antagonist of IGFBP1, (i,i+8) covalently restrained analog, minimized average structure
RCSB
Y
RCSB
2001-05-11
REL
The peptide was chemically synthesized. It is a novel sequence derived from phage-display selection.
sample
This structure was determined using standard 2D homonuclear techniques.
1
2D-ROESY
DQF-COSY
2D-ROESY
COSY-35
0
5.3
1
atm
303
K
0
5.3
1
atm
303
K
The structures were detemined on the basis of 149 NOE distance restraints and 15 dihedral angle restraints. The resulting ensemble had no restraint violations greater than 0.07 Angstroms or 1.4 deg. The mean restraint violation energy was 0.17+/- 0.06 kcal/mol.
restrained molecular dynamics
6.7 mM peptide
93% H2O/7% D2O
6.7 mM peptide
100% D2O
Havel
refinement
DGII
970
MSI/biosym
refinement
Discover
970
500
Bruker
AMX
CYS
1
n
1
CYS
1
A
ARG
2
n
2
ARG
2
A
ALA
3
n
3
ALA
3
A
GLY
4
n
4
GLY
4
A
PRO
5
n
5
PRO
5
A
LEU
6
n
6
LEU
6
A
GLN
7
n
7
GLN
7
A
TRP
8
n
8
TRP
8
A
LEU
9
n
9
LEU
9
A
CYS
10
n
10
CYS
10
A
GLU
11
n
11
GLU
11
A
LYS
12
n
12
LYS
12
A
TYR
13
n
13
TYR
13
A
PHE
14
n
14
PHE
14
A
GLY
15
n
15
GLY
15
A
NH2
16
n
16
NH2
16
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
LEU
6
-99.68
40.70
1
A
PHE
14
-89.51
39.87
Peptide Antagonist of IGFBP-1, Minimized Average Structure
1
N
N
A
LEU
6
A
LEU
6
HELX_P
A
TYR
13
A
TYR
13
1
1
8
disulf
2.050
A
CYS
1
A
SG
CYS
1
1_555
A
CYS
10
A
SG
CYS
10
1_555
covale
1.335
both
A
GLY
15
A
C
GLY
15
1_555
A
NH2
16
A
N
NH2
16
1_555
ANTAGONIST
loop-turn-helix, ANTAGONIST
1GJE
PDB
1
1GJE
1
16
1GJE
1
16
1GJE
A
1
1
16
1
P 1