0.021959
0.000000
0.012267
0.000000
0.018288
0.000000
0.000000
0.000000
0.025131
0.00000
0.00000
0.00000
Huang, K.
Lu, W.
Anderson, S.
Laskowski Jr., M.
James, M.N.G.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
119.19
90.00
45.540
54.680
45.580
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
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
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
O4 P -3
94.971
PHOSPHATE ION
non-polymer
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
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
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
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
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
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
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
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
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
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
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
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
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
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
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
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
P
N
274
N
O
N
275
N
O
N
276
N
O
N
277
N
O
N
278
N
N
N
279
S
C
N
280
N
C
N
281
N
O
N
282
N
C
N
283
N
C
N
284
N
C
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
H
N
294
N
H
N
295
N
N
N
296
S
C
N
297
N
C
N
298
N
O
N
299
N
C
N
300
N
O
N
301
N
O
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
N
N
310
S
C
N
311
N
C
N
312
N
O
N
313
R
C
N
314
N
O
N
315
N
C
N
316
N
O
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
H
N
325
N
H
N
326
N
N
N
327
S
C
N
328
N
C
N
329
N
O
N
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
N
Y
335
N
C
Y
336
N
C
Y
337
N
C
Y
338
N
C
Y
339
N
C
N
340
N
O
N
341
N
H
N
342
N
H
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
N
N
354
S
C
N
355
N
C
N
356
N
O
N
357
N
C
Y
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
N
364
N
O
N
365
N
O
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
N
N
378
S
C
N
379
N
C
N
380
N
O
N
381
N
C
N
382
N
C
N
383
N
C
N
384
N
O
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
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
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
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
doub
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
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
doub
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
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
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
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
doub
N
271
N
sing
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
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
doub
N
288
N
sing
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
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
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
sing
N
316
N
doub
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
doub
Y
326
N
sing
Y
327
N
sing
N
328
N
sing
Y
329
N
sing
Y
330
N
doub
N
331
N
sing
Y
332
N
doub
N
333
N
sing
Y
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
doub
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
Y
349
N
doub
Y
350
N
sing
Y
351
N
sing
N
352
N
sing
Y
353
N
doub
N
354
N
sing
Y
355
N
doub
N
356
N
sing
Y
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
doub
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
305
839
849
10.1006/jmbi.2000.4343
11162096
Contribution of peptide bonds to inhibitor-protease binding: crystal structures of the turkey ovomucoid third domain backbone variants OMTKY3-Pro18I and OMTKY3-psi[COO]-Leu18I in complex with Streptomyces griseus proteinase B (SGPB) and the structure of the free inhibitor, OMTKY-3-psi[CH2NH2+]-Asp19I
2001
US
Protein Sci.
PRCIEI
0795
0961-8368
4
1985
1997
10.1002/pro.5560041004
8535235
Water molecules participate in proteinase-inhibitor interactions: crystal structures of Leu18, Ala18, and Gly18 variants of turkey ovomucoid inhibitor third domain complexed with Streptomyces griseus proteinase B.
1995
US
Biochemistry
BICHAW
0033
0006-2960
22
4420
4433
Structure of the Complex of Streptomyces griseus Protease B and the Third Domain of the Turkey Ovomucoid Inhibitor at 1.8 Angstroms Resolution
1983
10.2210/pdb2sgp/pdb
pdb_00002sgp
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
287.00
1
AREA DETECTOR
SDMS
NI FILTER
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU200
18653.232
PROTEINASE B
3.4.21.81
1
nat
polymer
5569.246
OVOMUCOID INHIBITOR
THIRD DOMAIN
DEL(1-5), L18P
1
man
polymer
94.971
PHOSPHATE ION
1
syn
non-polymer
18.015
water
157
nat
water
SGPB
PRO18-OMTKY3
no
no
ISGGDAIYSSTGRCSLGFNVRSGSTYYFLTAGHCTDGATTWWANSARTTVLGTTSGSSFPNNDYGIVRYTNTTIPKDGTV
GGQDITSAANATVGMAVTRRGSTTGTHSGSVTALNATVNYGGGDVVYGMIRTNVCAEPGDSGGPLYSGTRAIGLTSGGSG
NCSSGGTTFFQPVTEALSAYGVSVY
ISGGDAIYSSTGRCSLGFNVRSGSTYYFLTAGHCTDGATTWWANSARTTVLGTTSGSSFPNNDYGIVRYTNTTIPKDGTV
GGQDITSAANATVGMAVTRRGSTTGTHSGSVTALNATVNYGGGDVVYGMIRTNVCAEPGDSGGPLYSGTRAIGLTSGGSG
NCSSGGTTFFQPVTEALSAYGVSVY
E
polypeptide(L)
no
no
VDCSEYPKPACTPEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC
VDCSEYPKPACTPEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC
I
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
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
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
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
n
n
n
n
turkey
Meleagris
Escherichia
sample
9103
Meleagris gallopavo
562
Escherichia coli
PEZZ318.TKY
Streptomyces
sample
1911
Streptomyces griseus
K1
1
2.04
39.84
6.50
0.4 M SODIUM/POTASSIUM PHOSPHATE BUFFER AT PH 6.5, pH 6.50
struct_conf
struct_conf_type
database_2
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Database references
Derived calculations
Data collection
Refinement description
1
0
2001-01-31
1
1
2007-10-16
1
2
2011-07-13
1
3
2017-02-08
1
4
2017-11-29
1
5
2021-11-03
1
6
2023-08-30
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
BNL
Y
RCSB
1999-03-25
REL
PO4
PHOSPHATE ION
HOH
water
3SGB
PDB
experimental model
PO4
500
3
PO4
PO4
500
E
HOH
1
4
HOH
HOH
501
E
HOH
2
4
HOH
HOH
502
E
HOH
3
4
HOH
HOH
503
E
HOH
4
4
HOH
HOH
504
E
HOH
5
4
HOH
HOH
505
E
HOH
7
4
HOH
HOH
506
E
HOH
8
4
HOH
HOH
507
E
HOH
9
4
HOH
HOH
508
E
HOH
10
4
HOH
HOH
509
E
HOH
11
4
HOH
HOH
510
E
HOH
12
4
HOH
HOH
511
E
HOH
13
4
HOH
HOH
512
E
HOH
14
4
HOH
HOH
513
E
HOH
15
4
HOH
HOH
514
E
HOH
16
4
HOH
HOH
515
E
HOH
18
4
HOH
HOH
516
E
HOH
20
4
HOH
HOH
517
E
HOH
21
4
HOH
HOH
518
E
HOH
22
4
HOH
HOH
519
E
HOH
23
4
HOH
HOH
520
E
HOH
24
4
HOH
HOH
521
E
HOH
25
4
HOH
HOH
522
E
HOH
28
4
HOH
HOH
523
E
HOH
29
4
HOH
HOH
524
E
HOH
31
4
HOH
HOH
525
E
HOH
36
4
HOH
HOH
526
E
HOH
38
4
HOH
HOH
527
E
HOH
39
4
HOH
HOH
528
E
HOH
41
4
HOH
HOH
529
E
HOH
42
4
HOH
HOH
530
E
HOH
43
4
HOH
HOH
531
E
HOH
44
4
HOH
HOH
532
E
HOH
46
4
HOH
HOH
533
E
HOH
47
4
HOH
HOH
534
E
HOH
49
4
HOH
HOH
535
E
HOH
50
4
HOH
HOH
536
E
HOH
52
4
HOH
HOH
537
E
HOH
53
4
HOH
HOH
538
E
HOH
57
4
HOH
HOH
539
E
HOH
58
4
HOH
HOH
540
E
HOH
61
4
HOH
HOH
541
E
HOH
63
4
HOH
HOH
542
E
HOH
64
4
HOH
HOH
543
E
HOH
66
4
HOH
HOH
544
E
HOH
68
4
HOH
HOH
545
E
HOH
69
4
HOH
HOH
546
E
HOH
70
4
HOH
HOH
547
E
HOH
72
4
HOH
HOH
548
E
HOH
73
4
HOH
HOH
549
E
HOH
75
4
HOH
HOH
550
E
HOH
76
4
HOH
HOH
551
E
HOH
77
4
HOH
HOH
552
E
HOH
78
4
HOH
HOH
553
E
HOH
80
4
HOH
HOH
554
E
HOH
84
4
HOH
HOH
555
E
HOH
90
4
HOH
HOH
556
E
HOH
92
4
HOH
HOH
557
E
HOH
93
4
HOH
HOH
558
E
HOH
94
4
HOH
HOH
559
E
HOH
96
4
HOH
HOH
560
E
HOH
103
4
HOH
HOH
561
E
HOH
111
4
HOH
HOH
562
E
HOH
113
4
HOH
HOH
563
E
HOH
116
4
HOH
HOH
564
E
HOH
118
4
HOH
HOH
565
E
HOH
119
4
HOH
HOH
566
E
HOH
121
4
HOH
HOH
567
E
HOH
122
4
HOH
HOH
568
E
HOH
123
4
HOH
HOH
569
E
HOH
126
4
HOH
HOH
570
E
HOH
128
4
HOH
HOH
571
E
HOH
130
4
HOH
HOH
572
E
HOH
132
4
HOH
HOH
573
E
HOH
133
4
HOH
HOH
574
E
HOH
135
4
HOH
HOH
575
E
HOH
136
4
HOH
HOH
576
E
HOH
137
4
HOH
HOH
577
E
HOH
139
4
HOH
HOH
578
E
HOH
140
4
HOH
HOH
579
E
HOH
142
4
HOH
HOH
580
E
HOH
146
4
HOH
HOH
581
E
HOH
147
4
HOH
HOH
582
E
HOH
149
4
HOH
HOH
583
E
HOH
152
4
HOH
HOH
584
E
HOH
158
4
HOH
HOH
585
E
HOH
164
4
HOH
HOH
586
E
HOH
167
4
HOH
HOH
587
E
HOH
171
4
HOH
HOH
588
E
HOH
206
4
HOH
HOH
589
E
HOH
218
4
HOH
HOH
590
E
HOH
251
4
HOH
HOH
591
E
HOH
252
4
HOH
HOH
592
E
HOH
223
4
HOH
HOH
593
E
HOH
228
4
HOH
HOH
594
E
HOH
318
4
HOH
HOH
595
E
HOH
243
4
HOH
HOH
596
E
HOH
248
4
HOH
HOH
597
E
HOH
263
4
HOH
HOH
598
E
HOH
266
4
HOH
HOH
599
E
HOH
269
4
HOH
HOH
600
E
HOH
277
4
HOH
HOH
601
E
HOH
292
4
HOH
HOH
602
E
HOH
297
4
HOH
HOH
603
E
HOH
298
4
HOH
HOH
604
E
HOH
299
4
HOH
HOH
605
E
HOH
200
4
HOH
HOH
606
E
HOH
316
4
HOH
HOH
607
E
HOH
202
4
HOH
HOH
608
E
HOH
317
4
HOH
HOH
609
E
HOH
209
4
HOH
HOH
610
E
HOH
310
4
HOH
HOH
611
E
HOH
311
4
HOH
HOH
612
E
HOH
312
4
HOH
HOH
613
E
HOH
314
4
HOH
HOH
614
E
HOH
315
4
HOH
HOH
615
E
HOH
6
4
HOH
HOH
57
I
HOH
17
4
HOH
HOH
58
I
HOH
19
4
HOH
HOH
59
I
HOH
26
4
HOH
HOH
60
I
HOH
27
4
HOH
HOH
61
I
HOH
30
4
HOH
HOH
62
I
HOH
35
4
HOH
HOH
63
I
HOH
37
4
HOH
HOH
64
I
HOH
40
4
HOH
HOH
65
I
HOH
48
4
HOH
HOH
66
I
HOH
54
4
HOH
HOH
67
I
HOH
59
4
HOH
HOH
68
I
HOH
67
4
HOH
HOH
69
I
HOH
87
4
HOH
HOH
70
I
HOH
88
4
HOH
HOH
71
I
HOH
89
4
HOH
HOH
72
I
HOH
100
4
HOH
HOH
73
I
HOH
104
4
HOH
HOH
74
I
HOH
109
4
HOH
HOH
75
I
HOH
110
4
HOH
HOH
76
I
HOH
114
4
HOH
HOH
77
I
HOH
117
4
HOH
HOH
78
I
HOH
127
4
HOH
HOH
79
I
HOH
131
4
HOH
HOH
80
I
HOH
138
4
HOH
HOH
81
I
HOH
148
4
HOH
HOH
82
I
HOH
161
4
HOH
HOH
83
I
HOH
177
4
HOH
HOH
84
I
HOH
201
4
HOH
HOH
85
I
HOH
210
4
HOH
HOH
86
I
HOH
214
4
HOH
HOH
87
I
HOH
215
4
HOH
HOH
88
I
HOH
216
4
HOH
HOH
89
I
HOH
254
4
HOH
HOH
90
I
HOH
222
4
HOH
HOH
91
I
HOH
275
4
HOH
HOH
92
I
HOH
203
4
HOH
HOH
93
I
HOH
204
4
HOH
HOH
94
I
HOH
205
4
HOH
HOH
95
I
HOH
207
4
HOH
HOH
96
I
HOH
208
4
HOH
HOH
97
I
HOH
313
4
HOH
HOH
98
I
ILE
16
n
1
ILE
16
E
SER
17
n
2
SER
17
E
GLY
18
n
3
GLY
18
E
GLY
19
n
4
GLY
19
E
ASP
29
n
5
ASP
29
E
ALA
30
n
6
ALA
30
E
ILE
31
n
7
ILE
31
E
TYR
32
n
8
TYR
32
E
SER
33
n
9
SER
33
E
SER
34
n
10
SER
34
E
THR
39
n
11
THR
39
E
GLY
40
n
12
GLY
40
E
ARG
41
n
13
ARG
41
E
CYS
42
n
14
CYS
42
E
SER
43
n
15
SER
43
E
LEU
44
n
16
LEU
44
E
GLY
45
n
17
GLY
45
E
PHE
46
n
18
PHE
46
E
ASN
47
n
19
ASN
47
E
VAL
48
n
20
VAL
48
E
ARG
48
n
21
A
ARG
48
E
SER
48
n
22
B
SER
48
E
GLY
48
n
23
C
GLY
48
E
SER
48
n
24
D
SER
48
E
THR
49
n
25
THR
49
E
TYR
50
n
26
TYR
50
E
TYR
51
n
27
TYR
51
E
PHE
52
n
28
PHE
52
E
LEU
53
n
29
LEU
53
E
THR
54
n
30
THR
54
E
ALA
55
n
31
ALA
55
E
GLY
56
n
32
GLY
56
E
HIS
57
n
33
HIS
57
E
CYS
58
n
34
CYS
58
E
THR
59
n
35
THR
59
E
ASP
60
n
36
ASP
60
E
GLY
62
n
37
GLY
62
E
ALA
63
n
38
ALA
63
E
THR
64
n
39
THR
64
E
THR
65
n
40
THR
65
E
TRP
66
n
41
TRP
66
E
TRP
67
n
42
TRP
67
E
ALA
68
n
43
ALA
68
E
ASN
78
n
44
ASN
78
E
SER
79
n
45
SER
79
E
ALA
80
n
46
ALA
80
E
ARG
81
n
47
ARG
81
E
THR
82
n
48
THR
82
E
THR
83
n
49
THR
83
E
VAL
84
n
50
VAL
84
E
LEU
85
n
51
LEU
85
E
GLY
86
n
52
GLY
86
E
THR
87
n
53
THR
87
E
THR
88
n
54
THR
88
E
SER
89
n
55
SER
89
E
GLY
90
n
56
GLY
90
E
SER
91
n
57
SER
91
E
SER
93
n
58
SER
93
E
PHE
94
n
59
PHE
94
E
PRO
99
n
60
A
PRO
99
E
ASN
100
n
61
ASN
100
E
ASN
101
n
62
ASN
101
E
ASP
102
n
63
ASP
102
E
TYR
103
n
64
TYR
103
E
GLY
104
n
65
GLY
104
E
ILE
105
n
66
ILE
105
E
VAL
106
n
67
VAL
106
E
ARG
107
n
68
ARG
107
E
TYR
108
n
69
TYR
108
E
THR
109
n
70
THR
109
E
ASN
110
n
71
ASN
110
E
THR
111
n
72
THR
111
E
THR
112
n
73
THR
112
E
ILE
113
n
74
ILE
113
E
PRO
114
n
75
PRO
114
E
LYS
115
n
76
LYS
115
E
ASP
116
n
77
ASP
116
E
GLY
117
n
78
GLY
117
E
THR
118
n
79
THR
118
E
VAL
119
n
80
VAL
119
E
GLY
120
n
81
GLY
120
E
GLY
121
n
82
GLY
121
E
GLN
122
n
83
GLN
122
E
ASP
123
n
84
ASP
123
E
ILE
124
n
85
ILE
124
E
THR
125
n
86
THR
125
E
SER
126
n
87
SER
126
E
ALA
127
n
88
ALA
127
E
ALA
128
n
89
ALA
128
E
ASN
129
n
90
ASN
129
E
ALA
130
n
91
ALA
130
E
THR
131
n
92
THR
131
E
VAL
132
n
93
VAL
132
E
GLY
133
n
94
GLY
133
E
MET
134
n
95
MET
134
E
ALA
135
n
96
ALA
135
E
VAL
136
n
97
VAL
136
E
THR
137
n
98
THR
137
E
ARG
138
n
99
ARG
138
E
ARG
139
n
100
ARG
139
E
GLY
140
n
101
GLY
140
E
SER
141
n
102
SER
141
E
THR
142
n
103
THR
142
E
THR
143
n
104
THR
143
E
GLY
156
n
105
GLY
156
E
THR
157
n
106
THR
157
E
HIS
158
n
107
HIS
158
E
SER
159
n
108
SER
159
E
GLY
160
n
109
GLY
160
E
SER
161
n
110
SER
161
E
VAL
162
n
111
VAL
162
E
THR
163
n
112
THR
163
E
ALA
164
n
113
ALA
164
E
LEU
165
n
114
LEU
165
E
ASN
166
n
115
ASN
166
E
ALA
167
n
116
ALA
167
E
THR
168
n
117
THR
168
E
VAL
169
n
118
VAL
169
E
ASN
170
n
119
ASN
170
E
TYR
171
n
120
TYR
171
E
GLY
172
n
121
GLY
172
E
GLY
173
n
122
GLY
173
E
GLY
174
n
123
GLY
174
E
ASP
175
n
124
ASP
175
E
VAL
176
n
125
VAL
176
E
VAL
177
n
126
VAL
177
E
TYR
178
n
127
TYR
178
E
GLY
179
n
128
GLY
179
E
MET
180
n
129
MET
180
E
ILE
181
n
130
ILE
181
E
ARG
182
n
131
ARG
182
E
THR
183
n
132
THR
183
E
ASN
184
n
133
ASN
184
E
VAL
190
n
134
VAL
190
E
CYS
191
n
135
CYS
191
E
ALA
192
n
136
ALA
192
E
GLU
192
n
137
A
GLU
192
E
PRO
192
n
138
B
PRO
192
E
GLY
193
n
139
GLY
193
E
ASP
194
n
140
ASP
194
E
SER
195
n
141
SER
195
E
GLY
196
n
142
GLY
196
E
GLY
197
n
143
GLY
197
E
PRO
198
n
144
PRO
198
E
LEU
199
n
145
LEU
199
E
TYR
200
n
146
TYR
200
E
SER
201
n
147
SER
201
E
GLY
202
n
148
GLY
202
E
THR
207
n
149
THR
207
E
ARG
208
n
150
ARG
208
E
ALA
209
n
151
ALA
209
E
ILE
210
n
152
ILE
210
E
GLY
211
n
153
GLY
211
E
LEU
212
n
154
LEU
212
E
THR
213
n
155
THR
213
E
SER
214
n
156
SER
214
E
GLY
215
n
157
GLY
215
E
GLY
216
n
158
GLY
216
E
SER
217
n
159
SER
217
E
GLY
218
n
160
GLY
218
E
ASN
219
n
161
ASN
219
E
CYS
220
n
162
CYS
220
E
SER
221
n
163
SER
221
E
SER
222
n
164
SER
222
E
GLY
223
n
165
GLY
223
E
GLY
224
n
166
GLY
224
E
THR
225
n
167
THR
225
E
THR
226
n
168
THR
226
E
PHE
227
n
169
PHE
227
E
PHE
228
n
170
PHE
228
E
GLN
229
n
171
GLN
229
E
PRO
230
n
172
PRO
230
E
VAL
231
n
173
VAL
231
E
THR
232
n
174
THR
232
E
GLU
233
n
175
GLU
233
E
ALA
234
n
176
ALA
234
E
LEU
235
n
177
LEU
235
E
SER
235
n
178
A
SER
235
E
ALA
236
n
179
ALA
236
E
TYR
237
n
180
TYR
237
E
GLY
238
n
181
GLY
238
E
VAL
239
n
182
VAL
239
E
SER
240
n
183
SER
240
E
VAL
241
n
184
VAL
241
E
TYR
242
n
185
TYR
242
E
VAL
6
n
1
VAL
6
I
ASP
7
n
2
ASP
7
I
CYS
8
n
3
CYS
8
I
SER
9
n
4
SER
9
I
GLU
10
n
5
GLU
10
I
TYR
11
n
6
TYR
11
I
PRO
12
n
7
PRO
12
I
LYS
13
n
8
LYS
13
I
PRO
14
n
9
PRO
14
I
ALA
15
n
10
ALA
15
I
CYS
16
n
11
CYS
16
I
THR
17
n
12
THR
17
I
PRO
18
n
13
PRO
18
I
GLU
19
n
14
GLU
19
I
TYR
20
n
15
TYR
20
I
ARG
21
n
16
ARG
21
I
PRO
22
n
17
PRO
22
I
LEU
23
n
18
LEU
23
I
CYS
24
n
19
CYS
24
I
GLY
25
n
20
GLY
25
I
SER
26
n
21
SER
26
I
ASP
27
n
22
ASP
27
I
ASN
28
n
23
ASN
28
I
LYS
29
n
24
LYS
29
I
THR
30
n
25
THR
30
I
TYR
31
n
26
TYR
31
I
GLY
32
n
27
GLY
32
I
ASN
33
n
28
ASN
33
I
LYS
34
n
29
LYS
34
I
CYS
35
n
30
CYS
35
I
ASN
36
n
31
ASN
36
I
PHE
37
n
32
PHE
37
I
CYS
38
n
33
CYS
38
I
ASN
39
n
34
ASN
39
I
ALA
40
n
35
ALA
40
I
VAL
41
n
36
VAL
41
I
VAL
42
n
37
VAL
42
I
GLU
43
n
38
GLU
43
I
SER
44
n
39
SER
44
I
ASN
45
n
40
ASN
45
I
GLY
46
n
41
GLY
46
I
THR
47
n
42
THR
47
I
LEU
48
n
43
LEU
48
I
THR
49
n
44
THR
49
I
LEU
50
n
45
LEU
50
I
SER
51
n
46
SER
51
I
HIS
52
n
47
HIS
52
I
PHE
53
n
48
PHE
53
I
GLY
54
n
49
GLY
54
I
LYS
55
n
50
LYS
55
I
CYS
56
n
51
CYS
56
I
author_defined_assembly
2
dimeric
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
I
CA
VAL
6
PLANAR
1
E
TYR
242
0.144
SIDE CHAIN
1
12.00
1.80
110.60
122.60
E
E
E
N
CA
CB
PHE
PHE
PHE
52
52
52
N
1
-6.15
0.90
118.30
112.15
E
E
E
CB
CG
OD2
ASP
ASP
ASP
60
60
60
N
1
-5.46
0.90
118.30
112.84
E
E
E
CB
CG
OD2
ASP
ASP
ASP
116
116
116
N
1
9.07
1.40
110.10
119.17
E
E
E
N
CA
CB
ALA
ALA
ALA
192
192
192
N
1
6.14
0.90
118.30
124.44
I
I
I
CB
CG
OD1
ASP
ASP
ASP
7
7
7
N
1
-6.87
0.90
118.30
111.43
I
I
I
CB
CG
OD2
ASP
ASP
ASP
7
7
7
N
1
5.67
0.90
118.30
123.97
I
I
I
CB
CG
OD1
ASP
ASP
ASP
27
27
27
N
1
E
E
CD
OE1
GLU
GLU
233
233
0.086
0.011
1.252
1.338
N
1
E
E
CZ
OH
TYR
TYR
242
242
-0.112
0.017
1.374
1.262
N
1
E
E
C
OXT
TYR
TYR
242
242
-0.150
0.019
1.229
1.079
N
1
I
I
CD
OE2
GLU
GLU
10
10
0.078
0.011
1.252
1.330
N
1
I
I
CD
OE2
GLU
GLU
19
19
0.075
0.011
1.252
1.327
N
1
I
I
CD
OE1
GLU
GLU
43
43
0.074
0.011
1.252
1.326
N
1
E
CYS
42
-129.55
-162.20
1
E
THR
64
-99.52
-62.03
A
1
E
PRO
99
-83.94
-153.62
1
E
ASN
100
79.21
-59.31
1
E
ASP
102
-152.88
73.72
1
E
LYS
115
-108.97
79.75
1
I
PRO
18
-89.52
41.65
0.193
1.800
20.000
17285
92.000
1
0.000
MOLECULAR REPLACEMENT
3SGB
TNT PROTGEO
1.800
20.000
157
1857
5
0
1695
0.024
2.800
0.023
1.800
20.000
2SGP
17285
0.078
1
2.300
93.000
refinement
TNT
PRO 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH STREPTOMYCES GRISEUS PROTEINASE B AT PH 6.5
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
E
ALA
55
A
ALA
31
HELX_P
E
ASP
60
A
ASP
36
1
1
6
E
VAL
231
A
VAL
173
HELX_P
E
TYR
237
A
TYR
180
1
2
8
I
ASN
33
B
ASN
28
HELX_P
I
SER
44
B
SER
39
1
3
12
disulf
1.990
E
CYS
42
A
SG
CYS
14
1_555
E
CYS
58
A
SG
CYS
34
1_555
disulf
1.969
E
CYS
191
A
SG
CYS
135
1_555
E
CYS
220
A
SG
CYS
162
1_555
disulf
2.031
I
CYS
8
B
SG
CYS
3
1_555
I
CYS
38
B
SG
CYS
33
1_555
disulf
1.975
I
CYS
16
B
SG
CYS
11
1_555
I
CYS
35
B
SG
CYS
30
1_555
disulf
2.017
I
CYS
24
B
SG
CYS
19
1_555
I
CYS
56
B
SG
CYS
51
1_555
HYDROLASE/INHIBITOR
COMPLEX (SERINE PROTEASE-INHIBITOR), SERINE PROTEINASE, PROTEIN INHIBITOR, HYDROLASE-INHIBITOR COMPLEX
E
PHE
94
A
PHE
59
A
1
E
PRO
99
A
PRO
60
2.39
I
TYR
11
B
TYR
6
1
I
PRO
12
B
PRO
7
-1.36
IOVO_MELGA
UNP
2
P68390
PRTB_STRGR
UNP
1
P00777
135
185
2SGP
6
56
P68390
I
1
1
51
115
299
2SGP
16
242
P00777
E
2
1
185
1
LEU
engineered mutation
PRO
18
2SGP
I
P68390
UNP
147
13
7
7
3
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
E
GLY
19
A
GLY
4
E
SER
33
A
SER
9
E
GLY
40
A
GLY
12
E
SER
48
A
SER
22
B
E
THR
49
A
THR
25
E
THR
54
A
THR
30
E
TYR
103
A
TYR
64
E
THR
109
A
THR
70
E
THR
83
A
THR
49
E
SER
93
A
SER
58
E
THR
64
A
THR
39
E
ALA
68
A
ALA
43
E
GLY
19
A
GLY
4
E
SER
33
A
SER
9
E
GLY
133
A
GLY
94
E
GLY
140
A
GLY
101
E
GLY
156
A
GLY
105
E
VAL
169
A
VAL
118
E
VAL
177
A
VAL
126
E
ASN
184
A
ASN
133
E
GLY
223
A
GLY
165
E
GLN
229
A
GLN
171
E
ARG
208
A
ARG
150
E
ASN
219
A
ASN
161
E
GLY
196
A
GLY
142
E
SER
201
A
SER
147
E
GLY
133
A
GLY
94
E
GLY
140
A
GLY
101
I
ASN
28
B
ASN
23
I
GLY
32
B
GLY
27
I
ARG
21
B
ARG
16
I
GLY
25
B
GLY
20
I
SER
51
B
SER
46
I
HIS
52
B
HIS
47
ACTIVE SITE OF ENZYME
Author
3
REACTIVE SITE OF INHIBITOR
Author
2
BINDING SITE FOR RESIDUE PO4 E 500
E
PO4
500
Software
7
E
HIS
57
A
HIS
33
3
1_555
E
ASP
102
A
ASP
63
3
1_555
E
SER
195
A
SER
141
3
1_555
I
PRO
18
B
PRO
13
2
1_555
I
GLU
19
B
GLU
14
2
1_555
E
TYR
32
A
TYR
8
7
1_555
E
ARG
41
A
ARG
13
7
1_555
E
HOH
581
D
HOH
7
1_555
E
HOH
582
D
HOH
7
1_555
E
HOH
615
D
HOH
7
1_555
I
TYR
20
B
TYR
15
7
1_555
I
LYS
55
B
LYS
50
7
1_555
4
P 1 21 1