0.019271
0.000000
0.000000
0.000000
0.019271
0.000000
0.000000
0.000000
0.023237
0.00000
0.00000
0.00000
Addlagatta, A.
Czapinska, H.
Krzywda, S.
Otlewski, J.
Jaskolski, M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
51.891
51.891
43.035
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
C2 H6 O2
62.068
1,2-ETHANEDIOL
ETHYLENE GLYCOL
non-polymer
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
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
O4 S -2
96.063
SULFATE ION
non-polymer
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
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
C
N
89
N
O
N
90
N
C
N
91
N
O
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
H
N
96
N
H
N
97
N
H
N
98
N
N
N
99
S
C
N
100
N
C
N
101
N
O
N
102
N
C
N
103
N
C
N
104
N
C
N
105
N
O
N
106
N
N
N
107
N
O
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
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
N
N
119
S
C
N
120
N
C
N
121
N
O
N
122
N
C
N
123
N
C
N
124
N
C
N
125
N
O
N
126
N
O
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
N
N
138
N
C
N
139
N
C
N
140
N
O
N
141
N
O
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
O
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
S
C
N
155
N
C
N
156
N
C
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
H
N
171
N
H
N
172
N
N
N
173
S
C
N
174
N
C
N
175
N
O
N
176
N
C
N
177
N
C
N
178
N
C
N
179
N
C
N
180
N
O
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
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
N
199
N
C
N
200
N
C
N
201
N
C
N
202
N
N
N
203
N
O
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
H
N
217
N
H
N
218
N
H
N
219
N
N
N
220
S
C
N
221
N
C
N
222
N
O
N
223
N
C
N
224
N
C
N
225
N
S
N
226
N
C
N
227
N
O
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
H
N
237
N
H
N
238
N
H
N
239
N
N
N
240
S
C
N
241
N
C
N
242
N
O
N
243
N
C
Y
244
N
C
Y
245
N
C
Y
246
N
C
Y
247
N
C
Y
248
N
C
Y
249
N
C
N
250
N
O
N
251
N
H
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
H
N
260
N
H
N
261
N
H
N
262
N
N
N
263
S
C
N
264
N
C
N
265
N
O
N
266
N
C
N
267
N
C
N
268
N
C
N
269
N
O
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
H
N
277
N
H
N
278
N
H
N
279
N
N
N
280
S
C
N
281
N
C
N
282
N
O
N
283
N
C
N
284
N
O
N
285
N
O
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
S
N
294
N
O
N
295
N
O
N
296
N
O
N
297
N
O
N
298
N
N
N
299
S
C
N
300
N
C
N
301
N
O
N
302
R
C
N
303
N
O
N
304
N
C
N
305
N
O
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
N
N
316
S
C
N
317
N
C
N
318
N
O
N
319
N
C
Y
320
N
C
Y
321
N
C
Y
322
N
C
Y
323
N
C
Y
324
N
C
Y
325
N
C
N
326
N
O
N
327
N
O
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
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
N
N
340
S
C
N
341
N
C
N
342
N
O
N
343
N
C
N
344
N
C
N
345
N
C
N
346
N
O
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
H
N
355
N
H
N
356
N
H
N
357
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
sing
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
sing
N
98
N
doub
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
doub
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
doub
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
doub
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
doub
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
sing
N
167
N
doub
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
sing
N
188
N
doub
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
sing
N
212
N
doub
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
sing
N
231
N
doub
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
Y
236
N
doub
Y
237
N
sing
Y
238
N
sing
N
239
N
sing
Y
240
N
doub
N
241
N
sing
Y
242
N
doub
N
243
N
sing
Y
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
sing
N
271
N
doub
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
doub
N
279
N
doub
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
doub
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
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
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
57
649
663
10.1107/S0907444901003468
11320305
Ultrahigh-resolution structure of a BPTI mutant.
2001
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
295
1237
1249
10.1006/jmbi.1999.3445
High-Resolution Structure of Bovine Pancreatic Trypsin Inhibitor with Altered Binding Loop Sequenc
2000
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
52
19
29
Structure of Bovine Pancreatic Trypsin Inhibitor at 125 K: Definition of Carboxyl-Terminal Residues Gly57 and Ala58
1996
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
227
757
775
Determination of a High Quality Nuclear Magnetic Resonance Solution Structure of the Bovine Pancreatic Trypsin Inhibitor and Comparison with Three Crystal Structures
1992
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
180
301
329
Structure of Bovine Pancreatic Trypsin Inhibitor . Results of Joint Neutron and X-Ray Refinement of Crystal Form II
1984
DK
Acta Crystallogr.,Sect.B
ASBSDK
0622
0108-7681
31
238
250
10.1107/S0567740875002415
Crystallographic Refinement of the Structure of Bovine Pancreatic Trypsin Inhibitor at 1.5 A Resolution
1975
10.2210/pdb1g6x/pdb
pdb_00001g6x
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100.0
1
IMAGE PLATE
1999-07-07
MARRESEARCH
SI
SINGLE WAVELENGTH
M
x-ray
1
0.9090
1.0
X11
EMBL/DESY, HAMBURG
0.9090
SYNCHROTRON
EMBL/DESY, HAMBURG BEAMLINE X11
6481.481
PANCREATIC TRYPSIN INHIBITOR
YES
1
man
polymer
96.063
SULFATE ION
8
syn
non-polymer
62.068
1,2-ETHANEDIOL
2
syn
non-polymer
18.015
water
170
nat
water
BPTI, APROTININ, TRASYLOL, BASIC PROTEASE INHIBITOR
no
no
RPDFCLEPPYAGACRARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCLRTCGGA
RPDFCLEPPYAGACRARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCLRTCGGA
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
cattle
Bos
Escherichia
sample
9913
Bos taurus
562
Escherichia coli
BL21 (DE3) PLYSS
PLASMID
PAED4
1
2.28
46.0
VAPOR DIFFUSION, HANGING DROP
7.5
2% PEG 400,
2 M AMMONIUM SULFATE,
0.1 M NA HEPES.
A PROTEIN SAMPLE, LYOPHILIZED AFTER HPLC PURIFICATION FROM TFA/ACETONITRILE
MIXTURE, WAS DISSOLVED IN WATER TO A CONCENTRATION OF 9 MG/2 UL DROPS
OF THE PROTEIN SOLUTION WERE MIXED WITH 2 UL OF RESERVOIR SOLUTION CONTAINING 2% PEG 400, 2 M
AMMONIUM SULFATE AND 0.1 M NA HEPES, PH 7.5. THE HANGING DROPLETS WERE
EQUILIBRATED AT 19 DEG C THROUGH THE GAS PHASE WITH THE RESERVOIR.
PRISMATIC CRYSTALS MEASURING UP TO 0.4 MM GREW WITHIN 12 HOURS. FOR LOW-TEMPERATURE
DATA COLLECTION (100 K), THE CRYSTAL WAS CRYOPROTECTED IN THE RESERVOIR SOLUTION
SUPPLEMENTED BY 30 % ETHYLENE GLYCOL., VAPOR DIFFUSION, HANGING DROP, temperature 292K
292
database_2
diffrn_source
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Data collection
Database references
Derived calculations
Data collection
Refinement description
1
0
2001-05-09
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_diffrn_source.pdbx_synchrotron_site
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT (THR 11
REPLACED BY ALA, PRO 13 REPLACED BY ALA, LYS 15 REPLACED
BY ARG, MET 52 REPLACED BY LEU)
TRYPSIN INHIBITOR
TRYPSIN INHIBITOR (CRYSTAL FORM II)
BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI, CRYSTAL FORM III)
BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT (CYS 30
REPLACED BY ALA, CYS 51 REPLACED BY ALA)
BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT (TYR 35
REPLACED BY GLY)
BASIC PANCREATIC TRYPSIN INHIBITOR (MET 52 OXIDIZED)
BOVINE PANCREATIC TRYPSIN INHIBITOR
(BPTI, BASIC) MUTANT WITH CYS 30
REPLACED BY VAL AND CYS 51 REPLACED
BY ALA
BOVINE PANCREATIC TRYPSIN INHIBITOR
(BPTI) MUTANT (TYR 23 REPLACED BY ALA)
BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI)
MUTANT WITH PHE 22 REPLACED BY ALA
BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT
WITH PHE 45 REPLACED BY ALA
RCSB
Y
RCSB
2000-11-08
REL
REL
SO4
SULFATE ION
EDO
1,2-ETHANEDIOL
HOH
water
1QLQ
PDB
experimental model
SO4
61
2
SO4
SO4
61
A
SO4
62
2
SO4
SO4
62
A
SO4
63
2
SO4
SO4
63
A
SO4
64
2
SO4
SO4
64
A
SO4
65
2
SO4
SO4
65
A
SO4
66
2
SO4
SO4
66
A
SO4
68
2
SO4
SO4
68
A
SO4
67
2
SO4
SO4
67
A
EDO
81
3
EDO
EDO
81
A
EDO
82
3
EDO
EDO
82
A
HOH
101
4
HOH
HOH
101
A
HOH
102
4
HOH
HOH
102
A
HOH
103
4
HOH
HOH
103
A
HOH
104
4
HOH
HOH
104
A
HOH
105
4
HOH
HOH
105
A
HOH
106
4
HOH
HOH
106
A
HOH
107
4
HOH
HOH
107
A
HOH
108
4
HOH
HOH
108
A
HOH
109
4
HOH
HOH
109
A
HOH
110
4
HOH
HOH
110
A
HOH
111
4
HOH
HOH
111
A
HOH
112
4
HOH
HOH
112
A
HOH
113
4
HOH
HOH
113
A
HOH
114
4
HOH
HOH
114
A
HOH
115
4
HOH
HOH
115
A
HOH
116
4
HOH
HOH
116
A
HOH
117
4
HOH
HOH
117
A
HOH
118
4
HOH
HOH
118
A
HOH
119
4
HOH
HOH
119
A
HOH
120
4
HOH
HOH
120
A
HOH
121
4
HOH
HOH
121
A
HOH
122
4
HOH
HOH
122
A
HOH
123
4
HOH
HOH
123
A
HOH
124
4
HOH
HOH
124
A
HOH
125
4
HOH
HOH
125
A
HOH
126
4
HOH
HOH
126
A
HOH
127
4
HOH
HOH
127
A
HOH
128
4
HOH
HOH
128
A
HOH
129
4
HOH
HOH
129
A
HOH
130
4
HOH
HOH
130
A
HOH
131
4
HOH
HOH
131
A
HOH
132
4
HOH
HOH
132
A
HOH
133
4
HOH
HOH
133
A
HOH
134
4
HOH
HOH
134
A
HOH
135
4
HOH
HOH
135
A
HOH
136
4
HOH
HOH
136
A
HOH
137
4
HOH
HOH
137
A
HOH
138
4
HOH
HOH
138
A
HOH
139
4
HOH
HOH
139
A
HOH
140
4
HOH
HOH
140
A
HOH
141
4
HOH
HOH
141
A
HOH
142
4
HOH
HOH
142
A
HOH
143
4
HOH
HOH
143
A
HOH
144
4
HOH
HOH
144
A
HOH
145
4
HOH
HOH
145
A
HOH
146
4
HOH
HOH
146
A
HOH
147
4
HOH
HOH
147
A
HOH
148
4
HOH
HOH
148
A
HOH
149
4
HOH
HOH
149
A
HOH
150
4
HOH
HOH
150
A
HOH
151
4
HOH
HOH
151
A
HOH
152
4
HOH
HOH
152
A
HOH
153
4
HOH
HOH
153
A
HOH
154
4
HOH
HOH
154
A
HOH
155
4
HOH
HOH
155
A
HOH
156
4
HOH
HOH
156
A
HOH
157
4
HOH
HOH
157
A
HOH
158
4
HOH
HOH
158
A
HOH
159
4
HOH
HOH
159
A
HOH
160
4
HOH
HOH
160
A
HOH
161
4
HOH
HOH
161
A
HOH
162
4
HOH
HOH
162
A
HOH
163
4
HOH
HOH
163
A
HOH
164
4
HOH
HOH
164
A
HOH
165
4
HOH
HOH
165
A
HOH
166
4
HOH
HOH
166
A
HOH
167
4
HOH
HOH
167
A
HOH
168
4
HOH
HOH
168
A
HOH
169
4
HOH
HOH
169
A
HOH
170
4
HOH
HOH
170
A
HOH
171
4
HOH
HOH
171
A
HOH
172
4
HOH
HOH
172
A
HOH
173
4
HOH
HOH
173
A
HOH
174
4
HOH
HOH
174
A
HOH
175
4
HOH
HOH
175
A
HOH
176
4
HOH
HOH
176
A
HOH
177
4
HOH
HOH
177
A
HOH
178
4
HOH
HOH
178
A
HOH
179
4
HOH
HOH
179
A
HOH
180
4
HOH
HOH
180
A
HOH
181
4
HOH
HOH
181
A
HOH
182
4
HOH
HOH
182
A
HOH
183
4
HOH
HOH
183
A
HOH
184
4
HOH
HOH
184
A
HOH
185
4
HOH
HOH
185
A
HOH
186
4
HOH
HOH
186
A
HOH
187
4
HOH
HOH
187
A
HOH
188
4
HOH
HOH
188
A
HOH
189
4
HOH
HOH
189
A
HOH
190
4
HOH
HOH
190
A
HOH
191
4
HOH
HOH
191
A
HOH
192
4
HOH
HOH
192
A
HOH
193
4
HOH
HOH
193
A
HOH
194
4
HOH
HOH
194
A
HOH
195
4
HOH
HOH
195
A
HOH
196
4
HOH
HOH
196
A
HOH
197
4
HOH
HOH
197
A
HOH
198
4
HOH
HOH
198
A
HOH
199
4
HOH
HOH
199
A
HOH
200
4
HOH
HOH
200
A
HOH
201
4
HOH
HOH
201
A
HOH
202
4
HOH
HOH
202
A
HOH
203
4
HOH
HOH
203
A
HOH
204
4
HOH
HOH
204
A
HOH
205
4
HOH
HOH
205
A
HOH
206
4
HOH
HOH
206
A
HOH
207
4
HOH
HOH
207
A
HOH
208
4
HOH
HOH
208
A
HOH
209
4
HOH
HOH
209
A
HOH
210
4
HOH
HOH
210
A
HOH
211
4
HOH
HOH
211
A
HOH
212
4
HOH
HOH
212
A
HOH
213
4
HOH
HOH
213
A
HOH
214
4
HOH
HOH
214
A
HOH
215
4
HOH
HOH
215
A
HOH
216
4
HOH
HOH
216
A
HOH
217
4
HOH
HOH
217
A
HOH
218
4
HOH
HOH
218
A
HOH
219
4
HOH
HOH
219
A
HOH
220
4
HOH
HOH
220
A
HOH
221
4
HOH
HOH
221
A
HOH
222
4
HOH
HOH
222
A
HOH
223
4
HOH
HOH
223
A
HOH
224
4
HOH
HOH
224
A
HOH
225
4
HOH
HOH
225
A
HOH
226
4
HOH
HOH
226
A
HOH
227
4
HOH
HOH
227
A
HOH
228
4
HOH
HOH
228
A
HOH
229
4
HOH
HOH
229
A
HOH
230
4
HOH
HOH
230
A
HOH
231
4
HOH
HOH
231
A
HOH
232
4
HOH
HOH
232
A
HOH
233
4
HOH
HOH
233
A
HOH
234
4
HOH
HOH
234
A
HOH
235
4
HOH
HOH
235
A
HOH
236
4
HOH
HOH
236
A
HOH
237
4
HOH
HOH
237
A
HOH
238
4
HOH
HOH
238
A
HOH
239
4
HOH
HOH
239
A
HOH
240
4
HOH
HOH
240
A
HOH
241
4
HOH
HOH
241
A
HOH
242
4
HOH
HOH
242
A
HOH
243
4
HOH
HOH
243
A
HOH
244
4
HOH
HOH
244
A
HOH
245
4
HOH
HOH
245
A
HOH
246
4
HOH
HOH
246
A
HOH
247
4
HOH
HOH
247
A
HOH
248
4
HOH
HOH
248
A
HOH
249
4
HOH
HOH
249
A
HOH
250
4
HOH
HOH
250
A
HOH
251
4
HOH
HOH
251
A
HOH
252
4
HOH
HOH
252
A
HOH
253
4
HOH
HOH
253
A
HOH
254
4
HOH
HOH
254
A
HOH
255
4
HOH
HOH
255
A
HOH
256
4
HOH
HOH
256
A
HOH
257
4
HOH
HOH
257
A
HOH
258
4
HOH
HOH
258
A
HOH
259
4
HOH
HOH
259
A
HOH
260
4
HOH
HOH
260
A
HOH
261
4
HOH
HOH
261
A
HOH
262
4
HOH
HOH
262
A
HOH
263
4
HOH
HOH
263
A
HOH
264
4
HOH
HOH
264
A
HOH
265
4
HOH
HOH
265
A
HOH
266
4
HOH
HOH
266
A
HOH
267
4
HOH
HOH
267
A
HOH
300
4
HOH
HOH
300
A
HOH
301
4
HOH
HOH
301
A
HOH
303
4
HOH
HOH
303
A
ARG
1
n
1
ARG
1
A
PRO
2
n
2
PRO
2
A
ASP
3
n
3
ASP
3
A
PHE
4
n
4
PHE
4
A
CYS
5
n
5
CYS
5
A
LEU
6
n
6
LEU
6
A
GLU
7
n
7
GLU
7
A
PRO
8
n
8
PRO
8
A
PRO
9
n
9
PRO
9
A
TYR
10
n
10
TYR
10
A
ALA
11
n
11
ALA
11
A
GLY
12
n
12
GLY
12
A
ALA
13
n
13
ALA
13
A
CYS
14
n
14
CYS
14
A
ARG
15
n
15
ARG
15
A
ALA
16
n
16
ALA
16
A
ARG
17
n
17
ARG
17
A
ILE
18
n
18
ILE
18
A
ILE
19
n
19
ILE
19
A
ARG
20
n
20
ARG
20
A
TYR
21
n
21
TYR
21
A
PHE
22
n
22
PHE
22
A
TYR
23
n
23
TYR
23
A
ASN
24
n
24
ASN
24
A
ALA
25
n
25
ALA
25
A
LYS
26
n
26
LYS
26
A
ALA
27
n
27
ALA
27
A
GLY
28
n
28
GLY
28
A
LEU
29
n
29
LEU
29
A
CYS
30
n
30
CYS
30
A
GLN
31
n
31
GLN
31
A
THR
32
n
32
THR
32
A
PHE
33
n
33
PHE
33
A
VAL
34
n
34
VAL
34
A
TYR
35
n
35
TYR
35
A
GLY
36
n
36
GLY
36
A
GLY
37
n
37
GLY
37
A
CYS
38
n
38
CYS
38
A
ARG
39
n
39
ARG
39
A
ALA
40
n
40
ALA
40
A
LYS
41
n
41
LYS
41
A
ARG
42
n
42
ARG
42
A
ASN
43
n
43
ASN
43
A
ASN
44
n
44
ASN
44
A
PHE
45
n
45
PHE
45
A
LYS
46
n
46
LYS
46
A
SER
47
n
47
SER
47
A
ALA
48
n
48
ALA
48
A
GLU
49
n
49
GLU
49
A
ASP
50
n
50
ASP
50
A
CYS
51
n
51
CYS
51
A
LEU
52
n
52
LEU
52
A
ARG
53
n
53
ARG
53
A
THR
54
n
54
THR
54
A
CYS
55
n
55
CYS
55
A
GLY
56
n
56
GLY
56
A
GLY
57
n
57
GLY
57
A
ALA
58
n
58
ALA
58
A
0.1039
0.1072
0.1035
0.1068
0.1365
0.14
1706
1883
4.0
4.0
42585
author_and_software_defined_assembly
PQS
1
monomeric
software_defined_assembly
PISA
2
dimeric
4390
-182
7410
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
0.0000000000
-1.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
8_665
-y+1,-x+1,-z+1/2
crystal symmetry operation
51.8910000000
51.8910000000
21.5175000000
A
N
ASN
24
A
N
ASN
24
A
O
LEU
29
A
O
LEU
29
1
A
SO4
64
E
SO4
1
A
SO4
65
F
SO4
1
A
HOH
121
L
HOH
1
A
HOH
133
L
HOH
1
A
HOH
164
L
HOH
1
A
HOH
203
L
HOH
1
A
O2
SO4
64
E
O2
SO4
1
1
N
1
A
O4
SO4
64
E
O4
SO4
1
1
N
1
A
O2
SO4
65
F
O2
SO4
1
1
N
1
A
O4
SO4
65
F
O4
SO4
1
1
N
1
A
A
GLY
ALA
57
58
B
145.63
1
5.42
0.50
120.30
125.72
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
1
1
1
A
A
A
N
1
7.94
0.50
120.30
128.24
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
1
1
1
B
B
B
N
1
-8.97
0.50
120.30
111.33
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
1
1
1
A
A
A
N
1
-3.28
0.50
120.30
117.02
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
1
1
1
B
B
B
N
1
6.77
1.10
119.40
126.17
A
A
A
NH1
CZ
NH2
ARG
ARG
ARG
15
15
15
A
A
A
N
1
7.16
0.50
120.30
127.46
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
15
15
15
B
B
B
N
1
-3.88
0.50
120.30
116.42
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
15
15
15
A
A
A
N
1
14.61
1.40
123.60
138.21
A
A
A
CD
NE
CZ
ARG
ARG
ARG
17
17
17
A
A
A
N
1
9.96
0.50
120.30
130.26
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
17
17
17
A
A
A
N
1
-7.18
0.50
120.30
113.12
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
17
17
17
B
B
B
N
1
-3.86
0.50
120.30
116.44
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
17
17
17
A
A
A
N
1
8.05
0.50
120.30
128.35
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
17
17
17
B
B
B
N
1
7.48
1.20
111.50
118.98
A
A
A
CB
CA
C
CYS
CYS
CYS
38
38
38
B
N
1
12.10
1.40
123.60
135.70
A
A
A
CD
NE
CZ
ARG
ARG
ARG
39
39
39
A
A
A
N
1
21.96
1.40
123.60
145.56
A
A
A
CD
NE
CZ
ARG
ARG
ARG
39
39
39
B
B
B
N
1
7.15
0.50
120.30
127.45
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
39
39
39
A
A
A
N
1
3.68
0.50
120.30
123.98
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
39
39
39
B
B
B
N
1
-3.12
0.50
120.30
117.18
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
39
39
39
A
A
A
N
1
-5.51
0.50
120.30
114.79
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
53
53
53
A
A
A
N
1
20.09
2.50
121.70
141.79
A
A
A
C
N
CA
GLY
ALA
ALA
57
58
58
B
Y
1
A
ASN
44
-161.82
106.37
ANISOTROPIC REFINEMENT WITHOUT STEREOCHEMICAL RESTRAINTS ON ORDERED MAIN CHAIN. THE COMPLETE C-TERMINUS IS VISIBLE. IT FORMS A SALT-BRIDGE WITH THE N-TERMINUS. ARG 39 IS DISORDERED IN TWO CONFORMATIONS. IN ADDITION, IT IS ADJACENT TO CYS 38 OF THE DISORDERED 14-38 DISULFIDE AND IS PART OF A DISORDERED ARGININE CAGE. ALA 58 IS THE C-TERMINAL RESIDUE. IT IMMEDIATELY FOLLOWS THE DISORDERED GLY 56 - GLY 57 DOUBLET. THE CYS14-CYS38 DISULFIDE BRIDGE IS OBSERVED IN TWO DISTINCT CHIRALITIES (60 % RIGHT-HANDED, 40 % LEFT-HANDED). THE MAIN CHAIN OF THREE RESIDUES AND THE SIDE CHAINS OF 10 RESIDUES ARE MODELED IN TWO CONFORMATIONS. EIGHT SULFATE ANIONS (TWO WITH TWO-FOLD SYMMETRY) ARE PRESENT IN THE ASYMMETRIC UNIT. ONE OF THEM SHARES A SITE WITH THREE WATER MOLECULES. TWO ETHYLENE GLYCOL MOLECULES MODELED PER ONE PROTEIN MOLECULE. REFINEMENT CONCLUDED USING ONE CYCLE OF BLOCKED FULL-MATRIX LEAST-SQUARES ALGORITHM.
0.14
0.1072
0.1068
0.86
10.00
6499
1883
46998
7361
4.0
94.9
RANDOM
1
FREE R
EXISTING MODEL
1QLQ
ETHYLENE GLYCOL (EDO) AND SULFATE (SO4) GEOMETRY BASED ON DATA FROM CSD
ENGH AND HUBER
MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228
12
426.00
603.00
0.86
10.00
170
666
44
0
452
0.023
0.043
0.035
0.060
0.083
0.081
0.007
0.041
0.094
0.860
20.000
1G6X
47018
-3.000
0.036
1
54.1000
17.30
94.9
0.488
0.86
0.90
3.610
1
6.00
88.6
data reduction
DENZO
data scaling
SCALEPACK
model building
SHELX
refinement
SHELXL-97
phasing
SHELX
ULTRA HIGH RESOLUTION STRUCTURE OF BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT WITH ALTERED BINDING LOOP SEQUENCE
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
2
N
N
2
N
N
2
N
N
2
N
N
3
N
N
3
N
N
4
N
N
A
PRO
2
A
PRO
2
HELX_P
A
GLU
7
A
GLU
7
5
1
6
A
SER
47
A
SER
47
HELX_P
A
GLY
56
A
GLY
56
1
2
10
disulf
2.044
A
CYS
5
A
SG
CYS
5
1_555
A
CYS
55
A
SG
CYS
55
1_555
disulf
1.864
A
A
CYS
14
A
SG
CYS
14
1_555
A
CYS
38
A
SG
CYS
38
1_555
disulf
2.205
B
A
CYS
14
A
SG
CYS
14
1_555
A
CYS
38
A
SG
CYS
38
1_555
disulf
2.059
A
CYS
30
A
SG
CYS
30
1_555
A
CYS
51
A
SG
CYS
51
1_555
HYDROLASE INHIBITOR
SERINE PROTEASE INHIBITOR, HYDROLASE INHIBITOR
BPT1_BOVIN
UNP
1
P00974
36
93
1G6X
1
58
P00974
A
1
1
58
1
THR
engineered mutation
ALA
11
1G6X
A
P00974
UNP
46
11
1
PRO
engineered mutation
ALA
13
1G6X
A
P00974
UNP
48
13
1
LYS
engineered mutation
ARG
15
1G6X
A
P00974
UNP
50
15
1
MET
engineered mutation
LEU
52
1G6X
A
P00974
UNP
87
52
2
anti-parallel
A
ILE
18
A
ILE
18
A
ASN
24
A
ASN
24
A
LEU
29
A
LEU
29
A
TYR
35
A
TYR
35
BINDING SITE FOR RESIDUE SO4 A 61
A
SO4
61
Software
11
BINDING SITE FOR RESIDUE SO4 A 62
A
SO4
62
Software
12
BINDING SITE FOR RESIDUE SO4 A 63
A
SO4
63
Software
9
BINDING SITE FOR RESIDUE SO4 A 64
A
SO4
64
Software
7
BINDING SITE FOR RESIDUE SO4 A 65
A
SO4
65
Software
5
BINDING SITE FOR RESIDUE SO4 A 66
A
SO4
66
Software
7
BINDING SITE FOR RESIDUE SO4 A 68
A
SO4
68
Software
2
BINDING SITE FOR RESIDUE SO4 A 67
A
SO4
67
Software
7
BINDING SITE FOR RESIDUE EDO A 81
A
EDO
81
Software
7
BINDING SITE FOR RESIDUE EDO A 82
A
EDO
82
Software
5
A
GLU
7
A
GLU
7
11
1_555
A
LYS
41
A
LYS
41
11
1_555
A
ARG
42
A
ARG
42
11
1_555
A
HOH
106
L
HOH
11
1_555
A
HOH
123
L
HOH
11
1_555
A
HOH
135
L
HOH
11
1_555
A
HOH
138
L
HOH
11
1_555
A
HOH
140
L
HOH
11
1_555
A
HOH
160
L
HOH
11
1_555
A
HOH
257
L
HOH
11
1_555
A
HOH
258
L
HOH
11
1_555
A
ARG
20
A
ARG
20
12
1_555
A
TYR
35
A
TYR
35
12
1_555
A
GLY
37
A
GLY
37
12
1_555
A
ALA
40
A
ALA
40
12
1_555
A
ARG
53
A
ARG
53
12
8_665
A
HOH
122
L
HOH
12
1_555
A
HOH
175
L
HOH
12
1_555
A
HOH
206
L
HOH
12
8_665
A
HOH
218
L
HOH
12
1_555
A
HOH
220
L
HOH
12
1_555
A
HOH
221
L
HOH
12
1_555
A
HOH
223
L
HOH
12
1_555
A
ARG
1
A
ARG
1
9
8_665
A
PRO
2
A
PRO
2
9
8_665
A
ARG
42
A
ARG
42
9
1_555
A
HOH
115
L
HOH
9
1_555
A
HOH
132
L
HOH
9
8_665
A
HOH
167
L
HOH
9
1_555
A
HOH
173
L
HOH
9
1_555
A
HOH
194
L
HOH
9
8_665
A
HOH
259
L
HOH
9
1_555
A
CYS
14
A
CYS
14
7
1_555
A
ARG
15
A
ARG
15
7
1_555
A
HOH
163
L
HOH
7
1_555
A
HOH
250
L
HOH
7
6_556
A
HOH
252
L
HOH
7
1_555
A
HOH
253
L
HOH
7
1_555
A
HOH
254
L
HOH
7
1_555
A
PRO
2
A
PRO
2
5
1_555
A
ASP
3
A
ASP
3
5
1_555
A
HOH
115
L
HOH
5
1_555
A
HOH
194
L
HOH
5
1_555
A
HOH
195
L
HOH
5
1_555
A
CYS
38
A
CYS
38
7
1_555
A
ARG
39
A
ARG
39
7
1_555
A
HOH
122
L
HOH
7
1_555
A
HOH
170
L
HOH
7
1_555
A
HOH
215
L
HOH
7
8_666
A
HOH
221
L
HOH
7
1_555
A
HOH
251
L
HOH
7
8_666
A
ARG
1
A
ARG
1
2
1_555
A
LYS
26
A
LYS
26
2
3_644
A
PRO
9
A
PRO
9
7
1_555
A
TYR
10
A
TYR
10
7
1_555
A
ALA
11
A
ALA
11
7
1_555
A
GLY
12
A
GLY
12
7
1_555
A
HOH
168
L
HOH
7
1_555
A
HOH
169
L
HOH
7
1_555
A
HOH
232
L
HOH
7
4_565
A
TYR
10
A
TYR
10
7
1_555
A
ARG
39
A
ARG
39
7
1_555
A
ALA
40
A
ALA
40
7
1_555
A
LYS
41
A
LYS
41
7
1_555
A
HOH
123
L
HOH
7
1_555
A
HOH
152
L
HOH
7
1_555
A
HOH
172
L
HOH
7
1_555
A
ALA
25
A
ALA
25
5
1_555
A
LEU
52
A
LEU
52
5
4_565
A
GLY
56
A
GLY
56
5
4_565
A
HOH
200
L
HOH
5
1_555
A
HOH
201
L
HOH
5
1_555
96
P 43 21 2