0.039631
0.000000
0.010676
0.000000
0.018245
0.000000
0.000000
0.000000
0.027864
0.00000
0.00000
0.00000
Lahr, S.J.
Stayrook, S.E.
North, B.
Kaplan, J.
Geremia, S.
DeGrado, W.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
105.08
90.00
25.233
54.810
37.168
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 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
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
Zn 2
65.409
ZINC ION
non-polymer
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
N
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
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
C
N
101
N
O
N
102
N
O
N
103
N
O
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
N
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
N
N
124
S
C
N
125
N
C
N
126
N
O
N
127
N
C
Y
128
N
C
Y
129
N
N
Y
130
N
C
Y
131
N
C
Y
132
N
N
N
133
N
O
N
134
N
H
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
O
N
145
N
H
N
146
N
H
N
147
N
N
N
148
S
C
N
149
N
C
N
150
N
O
N
151
S
C
N
152
N
C
N
153
N
C
N
154
N
C
N
155
N
O
N
156
N
H
N
157
N
H
N
158
N
H
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
N
N
170
S
C
N
171
N
C
N
172
N
O
N
173
N
C
N
174
N
C
N
175
N
C
N
176
N
C
N
177
N
O
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
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
N
N
192
S
C
N
193
N
C
N
194
N
O
N
195
N
C
N
196
N
C
N
197
N
C
N
198
N
C
N
199
N
N
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
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
N
N
217
S
C
N
218
N
C
N
219
N
O
N
220
N
C
N
221
N
C
N
222
N
S
N
223
N
C
N
224
N
O
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
N
N
237
S
C
N
238
N
C
N
239
N
O
N
240
N
C
N
241
N
C
N
242
N
C
N
243
N
O
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
N
N
254
S
C
N
255
N
C
N
256
N
O
N
257
N
C
N
258
N
O
N
259
N
O
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
N
N
268
S
C
N
269
N
C
N
270
N
O
N
271
R
C
N
272
N
O
N
273
N
C
N
274
N
O
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
284
N
N
N
285
S
C
N
286
N
C
N
287
N
O
N
288
N
C
Y
289
N
C
Y
290
N
C
Y
291
N
C
Y
292
N
N
Y
293
N
C
Y
294
N
C
Y
295
N
C
Y
296
N
C
Y
297
N
C
N
298
N
O
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
N
N
312
S
C
N
313
N
C
N
314
N
O
N
315
N
C
Y
316
N
C
Y
317
N
C
Y
318
N
C
Y
319
N
C
Y
320
N
C
Y
321
N
C
N
322
N
O
N
323
N
O
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
N
N
336
S
C
N
337
N
C
N
338
N
O
N
339
N
C
N
340
N
C
N
341
N
C
N
342
N
O
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
ZN
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
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
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
doub
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
doub
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
Y
127
N
sing
Y
128
N
doub
Y
129
N
doub
N
130
N
sing
Y
131
N
sing
N
132
N
sing
Y
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
doub
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
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
doub
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
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
doub
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
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
doub
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
sing
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
doub
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
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
doub
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
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
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
doub
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
Y
281
N
doub
Y
282
N
sing
Y
283
N
sing
N
284
N
sing
Y
285
N
doub
Y
286
N
sing
Y
287
N
sing
N
288
N
sing
Y
289
N
sing
Y
290
N
doub
N
291
N
sing
Y
292
N
doub
N
293
N
sing
Y
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
doub
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
Y
309
N
doub
Y
310
N
sing
Y
311
N
sing
N
312
N
sing
Y
313
N
doub
N
314
N
sing
Y
315
N
doub
N
316
N
sing
Y
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
doub
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
346
1441
1454
10.1016/j.jmb.2004.12.016
15713492
Analysis and Design of Turns in alpha-Helical Hairpins
2005
10.2210/pdb1mft/pdb
pdb_00001mft
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
27-pole hybrid wiggler
CCD
2001-10-31
ADSC QUANTUM 4
Si III
SINGLE WAVELENGTH
M
x-ray
1
1.605
1.0
X25
NSLS
1.605
SYNCHROTRON
NSLS BEAMLINE X25
6477.396
Four-helix bundle model
2
man
polymer
65.409
ZINC ION
2
syn
non-polymer
18.015
water
13
nat
water
due ferri (II) turn mutant
no
no
MDYLRELYKLEQQAMKLYREASEKARNPEKKSVLQKILEDEEKHIEWLETING
MDYLRELYKLEQQAMKLYREASEKARNPEKKSVLQKILEDEEKHIEWLETING
A,B
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
Escherichia
Escherichia
Escherichia coli
sample
562
Escherichia coli
469008
Escherichia coli BL21(DE3)
BL21 (DE3)
PLASMID
pET21A
1
1.92
35.79
VAPOR DIFFUSION, HANGING DROP
6.5
PEG 300, zinc chloride, bis-tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
291
software
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Refinement description
Data collection
Database references
Derived calculations
Refinement description
1
0
2004-01-20
1
1
2008-04-28
1
2
2011-07-13
1
3
2017-10-11
1
4
2024-02-14
_software.name
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Crystal Structure Of Four-Helix Bundle Model
Crystal Structure Of Four-Helix Bundle Model
Crystal Structure Of Four-Helix Bundle Model
RCSB
Y
RCSB
2002-08-13
REL
REL
ZN
ZINC ION
HOH
water
1EC5
PDB ENTRY 1EC5
PDB
experimental model
ZN
60
2
ZN
ZN
60
A
ZN
60
2
ZN
ZN
60
B
HOH
2
3
HOH
HOH
61
A
HOH
6
3
HOH
HOH
62
A
HOH
7
3
HOH
HOH
63
A
HOH
8
3
HOH
HOH
64
A
HOH
10
3
HOH
HOH
65
A
HOH
11
3
HOH
HOH
66
A
HOH
1
3
HOH
HOH
61
B
HOH
3
3
HOH
HOH
62
B
HOH
4
3
HOH
HOH
63
B
HOH
5
3
HOH
HOH
64
B
HOH
9
3
HOH
HOH
65
B
HOH
12
3
HOH
HOH
66
B
HOH
13
3
HOH
HOH
67
B
n
1
1
A
ASP
2
n
2
ASP
2
A
TYR
3
n
3
TYR
3
A
LEU
4
n
4
LEU
4
A
ARG
5
n
5
ARG
5
A
GLU
6
n
6
GLU
6
A
LEU
7
n
7
LEU
7
A
TYR
8
n
8
TYR
8
A
LYS
9
n
9
LYS
9
A
LEU
10
n
10
LEU
10
A
GLU
11
n
11
GLU
11
A
GLN
12
n
12
GLN
12
A
GLN
13
n
13
GLN
13
A
ALA
14
n
14
ALA
14
A
MET
15
n
15
MET
15
A
LYS
16
n
16
LYS
16
A
LEU
17
n
17
LEU
17
A
TYR
18
n
18
TYR
18
A
ARG
19
n
19
ARG
19
A
GLU
20
n
20
GLU
20
A
ALA
21
n
21
ALA
21
A
SER
22
n
22
SER
22
A
GLU
23
n
23
GLU
23
A
LYS
24
n
24
LYS
24
A
ALA
25
n
25
ALA
25
A
ARG
26
n
26
ARG
26
A
ASN
27
n
27
ASN
27
A
PRO
28
n
28
PRO
28
A
GLU
29
n
29
GLU
29
A
LYS
30
n
30
LYS
30
A
LYS
31
n
31
LYS
31
A
SER
32
n
32
SER
32
A
VAL
33
n
33
VAL
33
A
LEU
34
n
34
LEU
34
A
GLN
35
n
35
GLN
35
A
LYS
36
n
36
LYS
36
A
ILE
37
n
37
ILE
37
A
LEU
38
n
38
LEU
38
A
GLU
39
n
39
GLU
39
A
ASP
40
n
40
ASP
40
A
GLU
41
n
41
GLU
41
A
GLU
42
n
42
GLU
42
A
LYS
43
n
43
LYS
43
A
HIS
44
n
44
HIS
44
A
ILE
45
n
45
ILE
45
A
GLU
46
n
46
GLU
46
A
TRP
47
n
47
TRP
47
A
LEU
48
n
48
LEU
48
A
GLU
49
n
49
GLU
49
A
THR
50
n
50
THR
50
A
ILE
51
n
51
ILE
51
A
ASN
52
n
52
ASN
52
A
n
53
53
A
n
1
1
B
ASP
2
n
2
ASP
2
B
TYR
3
n
3
TYR
3
B
LEU
4
n
4
LEU
4
B
ARG
5
n
5
ARG
5
B
GLU
6
n
6
GLU
6
B
LEU
7
n
7
LEU
7
B
TYR
8
n
8
TYR
8
B
LYS
9
n
9
LYS
9
B
LEU
10
n
10
LEU
10
B
GLU
11
n
11
GLU
11
B
GLN
12
n
12
GLN
12
B
GLN
13
n
13
GLN
13
B
ALA
14
n
14
ALA
14
B
MET
15
n
15
MET
15
B
LYS
16
n
16
LYS
16
B
LEU
17
n
17
LEU
17
B
TYR
18
n
18
TYR
18
B
ARG
19
n
19
ARG
19
B
GLU
20
n
20
GLU
20
B
ALA
21
n
21
ALA
21
B
SER
22
n
22
SER
22
B
GLU
23
n
23
GLU
23
B
LYS
24
n
24
LYS
24
B
ALA
25
n
25
ALA
25
B
ARG
26
n
26
ARG
26
B
ASN
27
n
27
ASN
27
B
PRO
28
n
28
PRO
28
B
GLU
29
n
29
GLU
29
B
LYS
30
n
30
LYS
30
B
LYS
31
n
31
LYS
31
B
SER
32
n
32
SER
32
B
VAL
33
n
33
VAL
33
B
LEU
34
n
34
LEU
34
B
GLN
35
n
35
GLN
35
B
LYS
36
n
36
LYS
36
B
ILE
37
n
37
ILE
37
B
LEU
38
n
38
LEU
38
B
GLU
39
n
39
GLU
39
B
ASP
40
n
40
ASP
40
B
GLU
41
n
41
GLU
41
B
GLU
42
n
42
GLU
42
B
LYS
43
n
43
LYS
43
B
HIS
44
n
44
HIS
44
B
ILE
45
n
45
ILE
45
B
GLU
46
n
46
GLU
46
B
TRP
47
n
47
TRP
47
B
LEU
48
n
48
LEU
48
B
GLU
49
n
49
GLU
49
B
THR
50
n
50
THR
50
B
ILE
51
n
51
ILE
51
B
ASN
52
n
52
ASN
52
B
n
53
53
B
author_and_software_defined_assembly
PISA
2
dimeric
2450
-101
6420
A
GLU
11
A
OE2
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
A
GLU
11
A
OE1
GLU
11
1_555
55.6
A
GLU
11
A
OE2
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
A
GLU
41
A
OE1
GLU
41
1_555
126.9
A
GLU
11
A
OE1
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
A
GLU
41
A
OE1
GLU
41
1_555
76.6
A
GLU
11
A
OE2
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
A
HIS
44
A
ND1
HIS
44
1_555
108.3
A
GLU
11
A
OE1
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
A
HIS
44
A
ND1
HIS
44
1_555
105.0
A
GLU
41
A
OE1
GLU
41
1_555
A
ZN
60
C
ZN
ZN
1_555
A
HIS
44
A
ND1
HIS
44
1_555
105.0
A
GLU
11
A
OE2
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
B
GLU
41
B
OE2
GLU
41
1_555
85.0
A
GLU
11
A
OE1
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
B
GLU
41
B
OE2
GLU
41
1_555
122.9
A
GLU
41
A
OE1
GLU
41
1_555
A
ZN
60
C
ZN
ZN
1_555
B
GLU
41
B
OE2
GLU
41
1_555
105.8
A
HIS
44
A
ND1
HIS
44
1_555
A
ZN
60
C
ZN
ZN
1_555
B
GLU
41
B
OE2
GLU
41
1_555
127.5
A
GLU
41
A
OE2
GLU
41
1_555
B
ZN
60
D
ZN
ZN
1_555
B
GLU
11
B
OE1
GLU
11
1_555
79.7
A
GLU
41
A
OE2
GLU
41
1_555
B
ZN
60
D
ZN
ZN
1_555
B
GLU
11
B
OE2
GLU
11
1_555
123.3
B
GLU
11
B
OE1
GLU
11
1_555
B
ZN
60
D
ZN
ZN
1_555
B
GLU
11
B
OE2
GLU
11
1_555
57.0
A
GLU
41
A
OE2
GLU
41
1_555
B
ZN
60
D
ZN
ZN
1_555
B
GLU
41
B
OE1
GLU
41
1_555
116.2
B
GLU
11
B
OE1
GLU
11
1_555
B
ZN
60
D
ZN
ZN
1_555
B
GLU
41
B
OE1
GLU
41
1_555
160.4
B
GLU
11
B
OE2
GLU
11
1_555
B
ZN
60
D
ZN
ZN
1_555
B
GLU
41
B
OE1
GLU
41
1_555
103.5
A
GLU
41
A
OE2
GLU
41
1_555
B
ZN
60
D
ZN
ZN
1_555
B
HIS
44
B
ND1
HIS
44
1_555
103.3
B
GLU
11
B
OE1
GLU
11
1_555
B
ZN
60
D
ZN
ZN
1_555
B
HIS
44
B
ND1
HIS
44
1_555
108.3
B
GLU
11
B
OE2
GLU
11
1_555
B
ZN
60
D
ZN
ZN
1_555
B
HIS
44
B
ND1
HIS
44
1_555
122.8
B
GLU
41
B
OE1
GLU
41
1_555
B
ZN
60
D
ZN
ZN
1_555
B
HIS
44
B
ND1
HIS
44
1_555
80.3
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
MET
1
A
MET
1
1
Y
1
A
GLY
53
A
GLY
53
1
Y
1
B
MET
1
B
MET
1
1
Y
1
B
GLY
53
B
GLY
53
1
Y
PROTEIN_REP.PARAM
PROTEIN.TOP
ION.PARAM
ION.TOP
WATER_REP.PARAM
WATER.TOP
32.1
10.24
0.00
-5.93
-3.39
0.00
-6.85
0.266
0.018
0.222
0.227
0.222
2.50
18.21
224
3229
3199
7.0
93.4
RANDOM
336592.54
336592.54
0
1
RESTRAINED
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
PDB ENTRY 1EC5
Engh & Huber
FLAT MODEL
42.0375
0.389022
0.37
.3
5
0.44
.24
2.50
18.21
13
897
2
0
882
0.008
1.1
17.6
0.72
2.31
1.50
3.51
2.00
6.18
2.00
8.05
2.50
0.35
0.055
0.255
2.66
41
496
6
7.6
95.7
25.7
2.5
50
1MFT
3444
3229
1.0
1.0
0.1
0.1
1
6.5
2.0
93.8
0.217
2.50
2.57
3.0
268
0.217
2.0
97.8
data collection
MADNESS
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
CNS
1.1
data reduction
MADNESS
Crystal Structure Of Four-Helix Bundle Model
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
A
ASP
2
A
ASP
2
HELX_P
A
ALA
25
A
ALA
25
1
1
24
A
ASN
27
A
ASN
27
HELX_P
A
ILE
51
A
ILE
51
1
2
25
B
ASP
2
B
ASP
2
HELX_P
B
ALA
25
B
ALA
25
1
3
24
B
ASN
27
B
ASN
27
HELX_P
B
ILE
51
B
ILE
51
1
4
25
metalc
2.284
A
GLU
11
A
OE2
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
metalc
2.413
A
GLU
11
A
OE1
GLU
11
1_555
A
ZN
60
C
ZN
ZN
1_555
metalc
1.991
A
GLU
41
A
OE1
GLU
41
1_555
A
ZN
60
C
ZN
ZN
1_555
metalc
2.137
A
GLU
41
A
OE2
GLU
41
1_555
B
ZN
60
D
ZN
ZN
1_555
metalc
2.128
A
HIS
44
A
ND1
HIS
44
1_555
A
ZN
60
C
ZN
ZN
1_555
metalc
2.496
A
ZN
60
C
ZN
ZN
1_555
B
GLU
41
B
OE2
GLU
41
1_555
metalc
2.342
B
GLU
11
B
OE1
GLU
11
1_555
B
ZN
60
D
ZN
ZN
1_555
metalc
2.227
B
GLU
11
B
OE2
GLU
11
1_555
B
ZN
60
D
ZN
ZN
1_555
metalc
2.711
B
GLU
41
B
OE1
GLU
41
1_555
B
ZN
60
D
ZN
ZN
1_555
metalc
2.000
B
HIS
44
B
ND1
HIS
44
1_555
B
ZN
60
D
ZN
ZN
1_555
DE NOVO PROTEIN
ALPHA-HELICAL BUNDLE, PROTEIN DESIGN, HELIX TURN HELIX, DE NOVO PROTEIN
1MFT
PDB
1
1MFT
1
53
1MFT
1
53
1MFT
A
1
1
53
1
53
1MFT
1
53
1MFT
B
1
1
53
BINDING SITE FOR RESIDUE ZN A 60
A
ZN
60
Software
4
BINDING SITE FOR RESIDUE ZN B 60
B
ZN
60
Software
4
A
GLU
11
A
GLU
11
4
1_555
A
GLU
41
A
GLU
41
4
1_555
A
HIS
44
A
HIS
44
4
1_555
B
GLU
41
B
GLU
41
4
1_555
A
GLU
41
A
GLU
41
4
1_555
B
GLU
11
B
GLU
11
4
1_555
B
GLU
41
B
GLU
41
4
1_555
B
HIS
44
B
HIS
44
4
1_555
4
P 1 21 1