0.010474
0.006047
0.000000
0.000000
0.012095
0.000000
0.000000
0.000000
0.006262
0.00000
0.00000
0.00000
Hamiaux, C.
Prange, T.
Ries-Kautt, M.
Ducruix, A.
Lafont, S.
Astier, J.P.
Veesler, S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
60
90.00
90.00
120.00
95.470
95.470
159.690
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 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
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
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
N
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
H
N
108
N
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
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
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
O
N
138
N
H
N
139
N
H
N
140
N
N
N
141
S
C
N
142
N
C
N
143
N
O
N
144
S
C
N
145
N
C
N
146
N
C
N
147
N
C
N
148
N
O
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
H
N
161
N
H
N
162
N
N
N
163
S
C
N
164
N
C
N
165
N
O
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
C
N
170
N
O
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
N
N
185
S
C
N
186
N
C
N
187
N
O
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
C
N
192
N
N
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
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
N
N
210
S
C
N
211
N
C
N
212
N
O
N
213
N
C
N
214
N
C
N
215
N
S
N
216
N
C
N
217
N
O
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
H
N
229
N
N
N
230
S
C
N
231
N
C
N
232
N
O
N
233
N
C
Y
234
N
C
Y
235
N
C
Y
236
N
C
Y
237
N
C
Y
238
N
C
Y
239
N
C
N
240
N
O
N
241
N
H
N
242
N
H
N
243
N
H
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
N
N
253
S
C
N
254
N
C
N
255
N
O
N
256
N
C
N
257
N
C
N
258
N
C
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
H
N
268
N
H
N
269
N
N
N
270
S
C
N
271
N
C
N
272
N
O
N
273
N
C
N
274
N
O
N
275
N
O
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
N
N
284
S
C
N
285
N
C
N
286
N
O
N
287
R
C
N
288
N
O
N
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
N
N
301
S
C
N
302
N
C
N
303
N
O
N
304
N
C
Y
305
N
C
Y
306
N
C
Y
307
N
C
Y
308
N
C
Y
309
N
C
Y
310
N
C
N
311
N
O
N
312
N
O
N
313
N
H
N
314
N
H
N
315
N
H
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
N
N
325
S
C
N
326
N
C
N
327
N
O
N
328
N
C
N
329
N
C
N
330
N
C
N
331
N
O
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
H
N
340
N
H
N
341
N
H
N
342
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
sing
N
108
N
doub
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
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
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
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
doub
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
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
doub
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
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
doub
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
Y
227
N
doub
Y
228
N
sing
Y
229
N
sing
N
230
N
sing
Y
231
N
doub
N
232
N
sing
Y
233
N
doub
N
234
N
sing
Y
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
doub
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
sing
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
doub
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
doub
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
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
sing
N
289
N
sing
N
290
N
sing
N
291
N
doub
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
Y
296
N
doub
Y
297
N
sing
Y
298
N
sing
N
299
N
sing
Y
300
N
doub
N
301
N
sing
Y
302
N
doub
N
303
N
sing
Y
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
doub
N
316
N
sing
N
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
297
697
712
10.1006/jmbi.2000.3584
10731422
The BPTI decamer observed in acidic pH crystal forms pre-exists as a stable species in solution.
2000
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
55
103
113
The Decameric Structure of Bovine Pancreatic Trypsin Inhibitor (Bpti) Crystallized from Thiocyanate at 2.7A Resolution
1999
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
55
335
337
Decamers Observed in the Crystals of Bovine Panreatic Trypsin Inhibitor
1999
10.2210/pdb1b0c/pdb
pdb_00001b0c
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
297
1
MIRRORS
IMAGE PLATE
1997-03-15
MAR scanner 345 mm plate
SILICON CRYSTAL
SINGLE WAVELENGTH
M
x-ray
1
0.97
1.0
DW32
LURE
0.97
SYNCHROTRON
LURE BEAMLINE DW32
6527.568
PROTEIN (PANCREATIC TRYPSIN INHIBITOR)
5
man
polymer
18.015
water
58
nat
water
BASIC PROTEASE INHIBITOR, BPI, BPTI, APROTININ
no
no
RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
A,B,C,D,E
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
sample
9913
Bos taurus
1
3.23
61
4.5
ACETATE BUFFER PH=4.5 BPTI 60 TO 100 MG/ML NACL 1.6 TO 2 M
software
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Refinement description
Data collection
Database references
Refinement description
1
0
1998-11-11
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-10-04
1
4
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
BNL
Y
RCSB
1998-11-06
REL
REL
HOH
water
6PTI
PDB
experimental model
HOH
4
2
HOH
HOH
59
A
HOH
8
2
HOH
HOH
60
A
HOH
12
2
HOH
HOH
61
A
HOH
17
2
HOH
HOH
62
A
HOH
22
2
HOH
HOH
63
A
HOH
28
2
HOH
HOH
64
A
HOH
39
2
HOH
HOH
65
A
HOH
41
2
HOH
HOH
66
A
HOH
45
2
HOH
HOH
67
A
HOH
50
2
HOH
HOH
68
A
HOH
53
2
HOH
HOH
69
A
HOH
54
2
HOH
HOH
70
A
HOH
3
2
HOH
HOH
59
B
HOH
7
2
HOH
HOH
60
B
HOH
11
2
HOH
HOH
61
B
HOH
16
2
HOH
HOH
62
B
HOH
21
2
HOH
HOH
63
B
HOH
24
2
HOH
HOH
64
B
HOH
25
2
HOH
HOH
65
B
HOH
27
2
HOH
HOH
66
B
HOH
32
2
HOH
HOH
67
B
HOH
33
2
HOH
HOH
68
B
HOH
38
2
HOH
HOH
69
B
HOH
40
2
HOH
HOH
70
B
HOH
44
2
HOH
HOH
71
B
HOH
49
2
HOH
HOH
72
B
HOH
57
2
HOH
HOH
73
B
HOH
1
2
HOH
HOH
59
C
HOH
2
2
HOH
HOH
60
C
HOH
6
2
HOH
HOH
61
C
HOH
10
2
HOH
HOH
62
C
HOH
15
2
HOH
HOH
63
C
HOH
20
2
HOH
HOH
64
C
HOH
26
2
HOH
HOH
65
C
HOH
31
2
HOH
HOH
66
C
HOH
36
2
HOH
HOH
67
C
HOH
37
2
HOH
HOH
68
C
HOH
43
2
HOH
HOH
69
C
HOH
48
2
HOH
HOH
70
C
HOH
52
2
HOH
HOH
71
C
HOH
5
2
HOH
HOH
59
D
HOH
9
2
HOH
HOH
60
D
HOH
14
2
HOH
HOH
61
D
HOH
19
2
HOH
HOH
62
D
HOH
23
2
HOH
HOH
63
D
HOH
30
2
HOH
HOH
64
D
HOH
35
2
HOH
HOH
65
D
HOH
42
2
HOH
HOH
66
D
HOH
47
2
HOH
HOH
67
D
HOH
51
2
HOH
HOH
68
D
HOH
55
2
HOH
HOH
69
D
HOH
56
2
HOH
HOH
70
D
HOH
58
2
HOH
HOH
71
D
HOH
13
2
HOH
HOH
59
E
HOH
18
2
HOH
HOH
60
E
HOH
29
2
HOH
HOH
61
E
HOH
34
2
HOH
HOH
62
E
HOH
46
2
HOH
HOH
63
E
ARG
1
n
1
ARG
1
A
PRO
2
n
2
PRO
2
A
ALA
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
THR
11
n
11
THR
11
A
GLY
12
n
12
GLY
12
A
PRO
13
n
13
PRO
13
A
CYS
14
n
14
CYS
14
A
ALA
15
n
15
LYS
15
A
ALA
16
n
16
ALA
16
A
SER
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
ALA
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
SER
39
n
39
ARG
39
A
ALA
40
n
40
ALA
40
A
SER
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
MET
52
n
52
MET
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
n
57
57
A
n
58
58
A
ARG
1
n
1
ARG
1
B
PRO
2
n
2
PRO
2
B
ALA
3
n
3
ASP
3
B
PHE
4
n
4
PHE
4
B
CYS
5
n
5
CYS
5
B
LEU
6
n
6
LEU
6
B
GLU
7
n
7
GLU
7
B
PRO
8
n
8
PRO
8
B
PRO
9
n
9
PRO
9
B
TYR
10
n
10
TYR
10
B
THR
11
n
11
THR
11
B
GLY
12
n
12
GLY
12
B
PRO
13
n
13
PRO
13
B
CYS
14
n
14
CYS
14
B
ALA
15
n
15
LYS
15
B
ALA
16
n
16
ALA
16
B
SER
17
n
17
ARG
17
B
ILE
18
n
18
ILE
18
B
ILE
19
n
19
ILE
19
B
ARG
20
n
20
ARG
20
B
TYR
21
n
21
TYR
21
B
PHE
22
n
22
PHE
22
B
TYR
23
n
23
TYR
23
B
ASN
24
n
24
ASN
24
B
ALA
25
n
25
ALA
25
B
ALA
26
n
26
LYS
26
B
ALA
27
n
27
ALA
27
B
GLY
28
n
28
GLY
28
B
LEU
29
n
29
LEU
29
B
CYS
30
n
30
CYS
30
B
GLN
31
n
31
GLN
31
B
THR
32
n
32
THR
32
B
PHE
33
n
33
PHE
33
B
VAL
34
n
34
VAL
34
B
TYR
35
n
35
TYR
35
B
GLY
36
n
36
GLY
36
B
GLY
37
n
37
GLY
37
B
CYS
38
n
38
CYS
38
B
SER
39
n
39
ARG
39
B
ALA
40
n
40
ALA
40
B
LYS
41
n
41
LYS
41
B
ARG
42
n
42
ARG
42
B
ASN
43
n
43
ASN
43
B
ASN
44
n
44
ASN
44
B
PHE
45
n
45
PHE
45
B
LYS
46
n
46
LYS
46
B
SER
47
n
47
SER
47
B
ALA
48
n
48
ALA
48
B
GLU
49
n
49
GLU
49
B
ASP
50
n
50
ASP
50
B
CYS
51
n
51
CYS
51
B
MET
52
n
52
MET
52
B
ARG
53
n
53
ARG
53
B
THR
54
n
54
THR
54
B
CYS
55
n
55
CYS
55
B
GLY
56
n
56
GLY
56
B
n
57
57
B
n
58
58
B
ARG
1
n
1
ARG
1
C
PRO
2
n
2
PRO
2
C
ALA
3
n
3
ASP
3
C
PHE
4
n
4
PHE
4
C
CYS
5
n
5
CYS
5
C
LEU
6
n
6
LEU
6
C
GLU
7
n
7
GLU
7
C
PRO
8
n
8
PRO
8
C
PRO
9
n
9
PRO
9
C
TYR
10
n
10
TYR
10
C
THR
11
n
11
THR
11
C
GLY
12
n
12
GLY
12
C
PRO
13
n
13
PRO
13
C
CYS
14
n
14
CYS
14
C
LYS
15
n
15
LYS
15
C
ALA
16
n
16
ALA
16
C
ARG
17
n
17
ARG
17
C
ILE
18
n
18
ILE
18
C
ILE
19
n
19
ILE
19
C
ARG
20
n
20
ARG
20
C
TYR
21
n
21
TYR
21
C
PHE
22
n
22
PHE
22
C
TYR
23
n
23
TYR
23
C
ASN
24
n
24
ASN
24
C
ALA
25
n
25
ALA
25
C
ALA
26
n
26
LYS
26
C
ALA
27
n
27
ALA
27
C
GLY
28
n
28
GLY
28
C
LEU
29
n
29
LEU
29
C
CYS
30
n
30
CYS
30
C
GLN
31
n
31
GLN
31
C
THR
32
n
32
THR
32
C
PHE
33
n
33
PHE
33
C
VAL
34
n
34
VAL
34
C
TYR
35
n
35
TYR
35
C
GLY
36
n
36
GLY
36
C
GLY
37
n
37
GLY
37
C
CYS
38
n
38
CYS
38
C
ARG
39
n
39
ARG
39
C
ALA
40
n
40
ALA
40
C
LYS
41
n
41
LYS
41
C
ARG
42
n
42
ARG
42
C
ASN
43
n
43
ASN
43
C
ASN
44
n
44
ASN
44
C
PHE
45
n
45
PHE
45
C
LYS
46
n
46
LYS
46
C
SER
47
n
47
SER
47
C
ALA
48
n
48
ALA
48
C
GLU
49
n
49
GLU
49
C
ASP
50
n
50
ASP
50
C
CYS
51
n
51
CYS
51
C
MET
52
n
52
MET
52
C
ARG
53
n
53
ARG
53
C
THR
54
n
54
THR
54
C
CYS
55
n
55
CYS
55
C
GLY
56
n
56
GLY
56
C
n
57
57
C
n
58
58
C
ARG
1
n
1
ARG
1
D
PRO
2
n
2
PRO
2
D
ASP
3
n
3
ASP
3
D
PHE
4
n
4
PHE
4
D
CYS
5
n
5
CYS
5
D
LEU
6
n
6
LEU
6
D
GLU
7
n
7
GLU
7
D
PRO
8
n
8
PRO
8
D
PRO
9
n
9
PRO
9
D
TYR
10
n
10
TYR
10
D
THR
11
n
11
THR
11
D
GLY
12
n
12
GLY
12
D
PRO
13
n
13
PRO
13
D
CYS
14
n
14
CYS
14
D
SER
15
n
15
LYS
15
D
ALA
16
n
16
ALA
16
D
ARG
17
n
17
ARG
17
D
ILE
18
n
18
ILE
18
D
ILE
19
n
19
ILE
19
D
ARG
20
n
20
ARG
20
D
TYR
21
n
21
TYR
21
D
PHE
22
n
22
PHE
22
D
TYR
23
n
23
TYR
23
D
ASN
24
n
24
ASN
24
D
ALA
25
n
25
ALA
25
D
ALA
26
n
26
LYS
26
D
ALA
27
n
27
ALA
27
D
GLY
28
n
28
GLY
28
D
LEU
29
n
29
LEU
29
D
CYS
30
n
30
CYS
30
D
GLN
31
n
31
GLN
31
D
THR
32
n
32
THR
32
D
PHE
33
n
33
PHE
33
D
VAL
34
n
34
VAL
34
D
TYR
35
n
35
TYR
35
D
GLY
36
n
36
GLY
36
D
GLY
37
n
37
GLY
37
D
CYS
38
n
38
CYS
38
D
SER
39
n
39
ARG
39
D
ALA
40
n
40
ALA
40
D
LYS
41
n
41
LYS
41
D
ARG
42
n
42
ARG
42
D
ASN
43
n
43
ASN
43
D
ASN
44
n
44
ASN
44
D
PHE
45
n
45
PHE
45
D
LYS
46
n
46
LYS
46
D
SER
47
n
47
SER
47
D
ALA
48
n
48
ALA
48
D
GLU
49
n
49
GLU
49
D
ASP
50
n
50
ASP
50
D
CYS
51
n
51
CYS
51
D
MET
52
n
52
MET
52
D
ARG
53
n
53
ARG
53
D
THR
54
n
54
THR
54
D
CYS
55
n
55
CYS
55
D
GLY
56
n
56
GLY
56
D
n
57
57
D
n
58
58
D
ARG
1
n
1
ARG
1
E
PRO
2
n
2
PRO
2
E
ALA
3
n
3
ASP
3
E
PHE
4
n
4
PHE
4
E
CYS
5
n
5
CYS
5
E
LEU
6
n
6
LEU
6
E
ALA
7
n
7
GLU
7
E
PRO
8
n
8
PRO
8
E
PRO
9
n
9
PRO
9
E
TYR
10
n
10
TYR
10
E
THR
11
n
11
THR
11
E
GLY
12
n
12
GLY
12
E
PRO
13
n
13
PRO
13
E
CYS
14
n
14
CYS
14
E
ALA
15
n
15
LYS
15
E
ALA
16
n
16
ALA
16
E
ARG
17
n
17
ARG
17
E
ILE
18
n
18
ILE
18
E
ILE
19
n
19
ILE
19
E
ARG
20
n
20
ARG
20
E
TYR
21
n
21
TYR
21
E
PHE
22
n
22
PHE
22
E
TYR
23
n
23
TYR
23
E
ASN
24
n
24
ASN
24
E
ALA
25
n
25
ALA
25
E
ALA
26
n
26
LYS
26
E
ALA
27
n
27
ALA
27
E
GLY
28
n
28
GLY
28
E
LEU
29
n
29
LEU
29
E
CYS
30
n
30
CYS
30
E
GLN
31
n
31
GLN
31
E
THR
32
n
32
THR
32
E
PHE
33
n
33
PHE
33
E
VAL
34
n
34
VAL
34
E
TYR
35
n
35
TYR
35
E
GLY
36
n
36
GLY
36
E
GLY
37
n
37
GLY
37
E
CYS
38
n
38
CYS
38
E
SER
39
n
39
ARG
39
E
ALA
40
n
40
ALA
40
E
SER
41
n
41
LYS
41
E
SER
42
n
42
ARG
42
E
ASN
43
n
43
ASN
43
E
ASN
44
n
44
ASN
44
E
PHE
45
n
45
PHE
45
E
LYS
46
n
46
LYS
46
E
SER
47
n
47
SER
47
E
ALA
48
n
48
ALA
48
E
GLU
49
n
49
GLU
49
E
ASP
50
n
50
ASP
50
E
CYS
51
n
51
CYS
51
E
MET
52
n
52
MET
52
E
ARG
53
n
53
ARG
53
E
THR
54
n
54
THR
54
E
CYS
55
n
55
CYS
55
E
GLY
56
n
56
GLY
56
E
n
57
57
E
n
58
58
E
author_defined_assembly
10
decameric
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
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
4_665
-x+1,-y+1,z
crystal symmetry operation
47.7350000000
82.6794452993
0.0000000000
A
O
ILE
18
A
O
ILE
18
A
N
TYR
35
A
N
TYR
35
B
O
ILE
18
B
O
ILE
18
B
N
TYR
35
B
N
TYR
35
C
O
ILE
18
C
O
ILE
18
C
N
TYR
35
C
N
TYR
35
D
O
ILE
18
D
O
ILE
18
D
N
TYR
35
D
N
TYR
35
E
O
ILE
18
E
O
ILE
18
E
N
TYR
35
E
N
TYR
35
1
A
CG
ASP
3
A
CG
ASP
3
1
Y
1
A
OD1
ASP
3
A
OD1
ASP
3
1
Y
1
A
OD2
ASP
3
A
OD2
ASP
3
1
Y
1
A
CG
LYS
15
A
CG
LYS
15
1
Y
1
A
CD
LYS
15
A
CD
LYS
15
1
Y
1
A
CE
LYS
15
A
CE
LYS
15
1
Y
1
A
NZ
LYS
15
A
NZ
LYS
15
1
Y
1
A
CD
ARG
17
A
CD
ARG
17
1
Y
1
A
NE
ARG
17
A
NE
ARG
17
1
Y
1
A
CZ
ARG
17
A
CZ
ARG
17
1
Y
1
A
NH1
ARG
17
A
NH1
ARG
17
1
Y
1
A
NH2
ARG
17
A
NH2
ARG
17
1
Y
1
A
CG
LYS
26
A
CG
LYS
26
1
Y
1
A
CD
LYS
26
A
CD
LYS
26
1
Y
1
A
CE
LYS
26
A
CE
LYS
26
1
Y
1
A
NZ
LYS
26
A
NZ
LYS
26
1
Y
1
A
CD
ARG
39
A
CD
ARG
39
1
Y
1
A
NE
ARG
39
A
NE
ARG
39
1
Y
1
A
CZ
ARG
39
A
CZ
ARG
39
1
Y
1
A
NH1
ARG
39
A
NH1
ARG
39
1
Y
1
A
NH2
ARG
39
A
NH2
ARG
39
1
Y
1
A
CD
LYS
41
A
CD
LYS
41
1
Y
1
A
CE
LYS
41
A
CE
LYS
41
1
Y
1
A
NZ
LYS
41
A
NZ
LYS
41
1
Y
1
B
CG
ASP
3
B
CG
ASP
3
1
Y
1
B
OD1
ASP
3
B
OD1
ASP
3
1
Y
1
B
OD2
ASP
3
B
OD2
ASP
3
1
Y
1
B
CG
LYS
15
B
CG
LYS
15
1
Y
1
B
CD
LYS
15
B
CD
LYS
15
1
Y
1
B
CE
LYS
15
B
CE
LYS
15
1
Y
1
B
NZ
LYS
15
B
NZ
LYS
15
1
Y
1
B
CD
ARG
17
B
CD
ARG
17
1
Y
1
B
NE
ARG
17
B
NE
ARG
17
1
Y
1
B
CZ
ARG
17
B
CZ
ARG
17
1
Y
1
B
NH1
ARG
17
B
NH1
ARG
17
1
Y
1
B
NH2
ARG
17
B
NH2
ARG
17
1
Y
1
B
CG
LYS
26
B
CG
LYS
26
1
Y
1
B
CD
LYS
26
B
CD
LYS
26
1
Y
1
B
CE
LYS
26
B
CE
LYS
26
1
Y
1
B
NZ
LYS
26
B
NZ
LYS
26
1
Y
1
B
CD
ARG
39
B
CD
ARG
39
1
Y
1
B
NE
ARG
39
B
NE
ARG
39
1
Y
1
B
CZ
ARG
39
B
CZ
ARG
39
1
Y
1
B
NH1
ARG
39
B
NH1
ARG
39
1
Y
1
B
NH2
ARG
39
B
NH2
ARG
39
1
Y
1
C
CG
ASP
3
C
CG
ASP
3
1
Y
1
C
OD1
ASP
3
C
OD1
ASP
3
1
Y
1
C
OD2
ASP
3
C
OD2
ASP
3
1
Y
1
C
CG
LYS
26
C
CG
LYS
26
1
Y
1
C
CD
LYS
26
C
CD
LYS
26
1
Y
1
C
CE
LYS
26
C
CE
LYS
26
1
Y
1
C
NZ
LYS
26
C
NZ
LYS
26
1
Y
1
D
CD
LYS
15
D
CD
LYS
15
1
Y
1
D
CE
LYS
15
D
CE
LYS
15
1
Y
1
D
NZ
LYS
15
D
NZ
LYS
15
1
Y
1
D
CG
LYS
26
D
CG
LYS
26
1
Y
1
D
CD
LYS
26
D
CD
LYS
26
1
Y
1
D
CE
LYS
26
D
CE
LYS
26
1
Y
1
D
NZ
LYS
26
D
NZ
LYS
26
1
Y
1
D
CD
ARG
39
D
CD
ARG
39
1
Y
1
D
NE
ARG
39
D
NE
ARG
39
1
Y
1
D
CZ
ARG
39
D
CZ
ARG
39
1
Y
1
D
NH1
ARG
39
D
NH1
ARG
39
1
Y
1
D
NH2
ARG
39
D
NH2
ARG
39
1
Y
1
E
CG
ASP
3
E
CG
ASP
3
1
Y
1
E
OD1
ASP
3
E
OD1
ASP
3
1
Y
1
E
OD2
ASP
3
E
OD2
ASP
3
1
Y
1
E
CG
GLU
7
E
CG
GLU
7
1
Y
1
E
CD
GLU
7
E
CD
GLU
7
1
Y
1
E
OE1
GLU
7
E
OE1
GLU
7
1
Y
1
E
OE2
GLU
7
E
OE2
GLU
7
1
Y
1
E
CG
LYS
15
E
CG
LYS
15
1
Y
1
E
CD
LYS
15
E
CD
LYS
15
1
Y
1
E
CE
LYS
15
E
CE
LYS
15
1
Y
1
E
NZ
LYS
15
E
NZ
LYS
15
1
Y
1
E
CG
LYS
26
E
CG
LYS
26
1
Y
1
E
CD
LYS
26
E
CD
LYS
26
1
Y
1
E
CE
LYS
26
E
CE
LYS
26
1
Y
1
E
NZ
LYS
26
E
NZ
LYS
26
1
Y
1
E
CD
ARG
39
E
CD
ARG
39
1
Y
1
E
NE
ARG
39
E
NE
ARG
39
1
Y
1
E
CZ
ARG
39
E
CZ
ARG
39
1
Y
1
E
NH1
ARG
39
E
NH1
ARG
39
1
Y
1
E
NH2
ARG
39
E
NH2
ARG
39
1
Y
1
E
CD
LYS
41
E
CD
LYS
41
1
Y
1
E
CE
LYS
41
E
CE
LYS
41
1
Y
1
E
NZ
LYS
41
E
NZ
LYS
41
1
Y
1
E
CD
ARG
42
E
CD
ARG
42
1
Y
1
E
NE
ARG
42
E
NE
ARG
42
1
Y
1
E
CZ
ARG
42
E
CZ
ARG
42
1
Y
1
E
NH1
ARG
42
E
NH1
ARG
42
1
Y
1
E
NH2
ARG
42
E
NH2
ARG
42
1
Y
1
A
GLY
57
A
GLY
57
1
Y
1
A
ALA
58
A
ALA
58
1
Y
1
B
GLY
57
B
GLY
57
1
Y
1
B
ALA
58
B
ALA
58
1
Y
1
C
GLY
57
C
GLY
57
1
Y
1
C
ALA
58
C
ALA
58
1
Y
1
D
GLY
57
D
GLY
57
1
Y
1
D
ALA
58
D
ALA
58
1
Y
1
E
GLY
57
E
GLY
57
1
Y
1
E
ALA
58
E
ALA
58
1
Y
1
E
E
SG
SG
CYS
CYS
14
38
2.04
1
C
C
O
O
TYR
HOH
10
62
2.05
1
D
D
O
O
HOH
HOH
60
61
2.17
PARHCSDX.PRO
TOPHCSDX.PRO
PARAM19.SOL
TOPH19.SOL
37.1
0.00
0.00
0.00
0.00
0.00
0.00
BULK SOLVENT MODEL USED
0.223
0.007
0.198
0.198
2.80
18.00
1125
10908
10.3
98.0
RANDOM
10000000.00
0.00100
1
GROUP
THROUGHOUT
2.0
MOLECULAR REPLACEMENT
6PTI
0.35
5.00
0.38
2.80
18.00
58
2186
0
0
2128
0.007
1.3
23.0
1.13
1
CONSTR
1
X-RAY DIFFRACTION
0.0294
300
2
2
X-RAY DIFFRACTION
0.0266
300
3
3
X-RAY DIFFRACTION
0.0286
300
4
4
X-RAY DIFFRACTION
0.0258
300
0.348
0.033
0.3
2.90
108
950
10
10.2
96.4
55.8
2.80
18.0
1B0C
11127
2
0.038
1
17.2
9.6
99.6
2.80
2.87
5.4
0.14
9.8
99.0
data reduction
MOSFLM
data reduction
Agrovata
data reduction
ROTAVATA
phasing
AMoRE
refinement
X-PLOR
3.851
data scaling
Agrovata
data scaling
ROTAVATA
EVIDENCE OF A COMMON DECAMER IN THREE CRYSTAL STRUCTURES OF BPTI, CRYSTALLIZED FROM THIOCYANATE, CHLORIDE OR SULFATE
1
N
N
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
2
N
N
A
ASP
3
A
ASP
3
HELX_P
A
LEU
6
A
LEU
6
5
1
4
A
ALA
48
A
ALA
48
HELX_P
A
THR
54
A
THR
54
1
2
7
B
ASP
3
B
ASP
3
HELX_P
B
LEU
6
B
LEU
6
5
3
4
B
ALA
48
B
ALA
48
HELX_P
B
THR
54
B
THR
54
1
4
7
C
ASP
3
C
ASP
3
HELX_P
C
LEU
6
C
LEU
6
5
5
4
C
ALA
48
C
ALA
48
HELX_P
C
THR
54
C
THR
54
1
6
7
D
ASP
3
D
ASP
3
HELX_P
D
LEU
6
D
LEU
6
5
7
4
D
ALA
48
D
ALA
48
HELX_P
D
THR
54
D
THR
54
1
8
7
E
ASP
3
E
ASP
3
HELX_P
E
LEU
6
E
LEU
6
5
9
4
E
ALA
48
E
ALA
48
HELX_P
E
THR
54
E
THR
54
1
10
7
disulf
2.026
A
CYS
5
A
SG
CYS
5
1_555
A
CYS
55
A
SG
CYS
55
1_555
disulf
2.033
A
CYS
14
A
SG
CYS
14
1_555
A
CYS
38
A
SG
CYS
38
1_555
disulf
2.022
A
CYS
30
A
SG
CYS
30
1_555
A
CYS
51
A
SG
CYS
51
1_555
disulf
2.028
B
CYS
5
B
SG
CYS
5
1_555
B
CYS
55
B
SG
CYS
55
1_555
disulf
2.029
B
CYS
14
B
SG
CYS
14
1_555
B
CYS
38
B
SG
CYS
38
1_555
disulf
2.031
B
CYS
30
B
SG
CYS
30
1_555
B
CYS
51
B
SG
CYS
51
1_555
disulf
2.030
C
CYS
5
C
SG
CYS
5
1_555
C
CYS
55
C
SG
CYS
55
1_555
disulf
2.029
C
CYS
14
C
SG
CYS
14
1_555
C
CYS
38
C
SG
CYS
38
1_555
disulf
2.033
C
CYS
30
C
SG
CYS
30
1_555
C
CYS
51
C
SG
CYS
51
1_555
disulf
2.033
D
CYS
5
D
SG
CYS
5
1_555
D
CYS
55
D
SG
CYS
55
1_555
disulf
2.033
D
CYS
14
D
SG
CYS
14
1_555
D
CYS
38
D
SG
CYS
38
1_555
disulf
2.015
D
CYS
30
D
SG
CYS
30
1_555
D
CYS
51
D
SG
CYS
51
1_555
disulf
2.036
E
CYS
5
E
SG
CYS
5
1_555
E
CYS
55
E
SG
CYS
55
1_555
disulf
2.025
E
CYS
30
E
SG
CYS
30
1_555
E
CYS
51
E
SG
CYS
51
1_555
HYDROLASE INHIBITOR
BOVINE PANCREATIC TRYPSIN INHIBITOR, PENTAMERIC MOLECULE, HYDROLASE INHIBITOR
given
0.936918
-0.279679
-0.209678
0.292717
0.299889
0.907956
-0.191056
-0.912056
0.362838
26.81610
-46.82500
84.20460
given
0.844053
-0.179696
-0.505257
0.167754
-0.806422
0.567047
-0.509346
-0.563377
-0.650518
46.87110
20.97440
152.36070
given
0.839134
0.175766
-0.514743
-0.171677
-0.812391
-0.557269
-0.516121
0.555992
-0.651530
34.67480
110.90100
111.48450
given
0.939976
0.277804
-0.198169
-0.282692
0.308661
-0.908193
-0.191132
0.909700
0.368667
5.50890
97.84790
16.95730
BPT1_BOVIN
UNP
1
P00974
1
58
1B0C
1
56
P00974
A
1
1
56
1
58
1B0C
1
56
P00974
B
1
1
56
1
58
1B0C
1
56
P00974
C
1
1
56
1
58
1B0C
1
56
P00974
D
1
1
56
1
58
1B0C
1
56
P00974
E
1
1
56
2
2
2
2
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
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
B
ILE
18
B
ILE
18
B
ASN
24
B
ASN
24
B
LEU
29
B
LEU
29
B
TYR
35
B
TYR
35
C
ILE
18
C
ILE
18
C
ASN
24
C
ASN
24
C
LEU
29
C
LEU
29
C
TYR
35
C
TYR
35
D
ILE
18
D
ILE
18
D
ASN
24
D
ASN
24
D
LEU
29
D
LEU
29
D
TYR
35
D
TYR
35
E
ILE
18
E
ILE
18
E
ASN
24
E
ASN
24
E
LEU
29
E
LEU
29
E
TYR
35
E
TYR
35
181
P 64 2 2