0.0133869
0.0000000
0.0000000
0.0000000
0.0123457
0.0000000
0.0000000
0.0000000
0.0080587
0.0000000
0.0000000
0.0000000
Helland, R.
Czapinska, H.
Leiros, I.
Olufsen, M.
Otlewski, J.
Smalaas, A.O.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.0
90.0
90.0
74.70
81.00
124.09
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
Ca 2
40.078
CALCIUM ION
non-polymer
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
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
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
CA
N
75
N
N
N
76
R
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
S
N
81
N
O
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
H
N
89
N
N
N
90
S
C
N
91
N
C
N
92
N
O
N
93
N
C
N
94
N
C
N
95
N
C
N
96
N
O
N
97
N
N
N
98
N
O
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
N
N
110
S
C
N
111
N
C
N
112
N
O
N
113
N
C
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
O
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
H
N
128
N
N
N
129
N
C
N
130
N
C
N
131
N
O
N
132
N
O
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
N
N
139
S
C
N
140
N
C
N
141
N
O
N
142
N
C
Y
143
N
C
Y
144
N
N
Y
145
N
C
Y
146
N
C
Y
147
N
N
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
O
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
S
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
O
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
H
N
206
N
N
N
207
S
C
N
208
N
C
N
209
N
O
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
C
N
214
N
N
N
215
N
O
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
H
N
231
N
N
N
232
S
C
N
233
N
C
N
234
N
O
N
235
N
C
N
236
N
C
N
237
N
S
N
238
N
C
N
239
N
O
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
H
N
251
N
N
N
252
S
C
N
253
N
C
N
254
N
O
N
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
Y
261
N
C
N
262
N
O
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
H
N
274
N
N
N
275
S
C
N
276
N
C
N
277
N
O
N
278
N
C
N
279
N
C
N
280
N
C
N
281
N
O
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
N
N
292
S
C
N
293
N
C
N
294
N
O
N
295
N
C
N
296
N
O
N
297
N
O
N
298
N
H
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
S
N
306
N
O
N
307
N
O
N
308
N
O
N
309
N
O
N
310
N
N
N
311
S
C
N
312
N
C
N
313
N
O
N
314
R
C
N
315
N
O
N
316
N
C
N
317
N
O
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
H
N
327
N
N
N
328
S
C
N
329
N
C
N
330
N
O
N
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
N
Y
336
N
C
Y
337
N
C
Y
338
N
C
Y
339
N
C
Y
340
N
C
N
341
N
O
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
H
N
354
N
N
N
355
S
C
N
356
N
C
N
357
N
O
N
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
N
365
N
O
N
366
N
O
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
H
N
378
N
N
N
379
S
C
N
380
N
C
N
381
N
O
N
382
N
C
N
383
N
C
N
384
N
C
N
385
N
O
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
396
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
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
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
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
doub
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
doub
N
291
N
doub
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
333
845
861
10.1016/j.jmb.2003.08.059
14568540
Structural consequences of accommodation of four non-cognate amino acid residues in the S1 pocket of bovine trypsin and chymotrypsin.
2003
10.2210/pdb1p2i/pdb
pdb_00001p2i
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
mirrors
IMAGE PLATE
1998-04-04
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
0.8
1.0
BM1A
ESRF
0.8
SYNCHROTRON
ESRF BEAMLINE BM1A
23324.287
Trypsinogen, cationic
3.4.21.4
1
nat
polymer
6437.402
Pancreatic trypsin inhibitor
K15G, M52L
1
man
polymer
40.078
CALCIUM ION
1
syn
non-polymer
96.063
SULFATE ION
2
syn
non-polymer
18.015
water
228
nat
water
Beta-trypsin, Fragment
Basic protease inhibitor, BPI, BPTI, Aprotinin
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
A
polypeptide(L)
no
no
RPDFCLEPPYTGPCGARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCLRTCGGA
RPDFCLEPPYTGPCGARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCLRTCGGA
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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
Escherichia coli
sample
T7 PROMOTER
9913
Bos taurus
469008
Escherichia coli BL21(DE3)
BL21 (DE3)
plasmid
pAED4
cattle
Bos
sample
9913
Bos taurus
1
2.89
57.04
VAPOR DIFFUSION, HANGING DROP
7.5
50% ammonium sulfate, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 310K
310
database_2
pdbx_struct_conn_angle
struct_conn
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
Data collection
Refinement description
1
0
2004-04-20
1
1
2008-04-29
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_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_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_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_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_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2003-04-15
REL
REL
CA
CALCIUM ION
SO4
SULFATE ION
HOH
water
3BTG
pdb entry 3btg
PDB
experimental model
CA
600
3
CA
CA
600
A
SO4
601
4
SO4
SO4
601
I
SO4
602
4
SO4
SO4
602
I
HOH
650
5
HOH
HOH
650
A
HOH
651
5
HOH
HOH
651
A
HOH
652
5
HOH
HOH
652
A
HOH
653
5
HOH
HOH
653
A
HOH
654
5
HOH
HOH
654
A
HOH
655
5
HOH
HOH
655
A
HOH
658
5
HOH
HOH
658
A
HOH
659
5
HOH
HOH
659
A
HOH
663
5
HOH
HOH
663
A
HOH
664
5
HOH
HOH
664
A
HOH
669
5
HOH
HOH
669
A
HOH
677
5
HOH
HOH
677
A
HOH
681
5
HOH
HOH
681
A
HOH
684
5
HOH
HOH
684
A
HOH
686
5
HOH
HOH
686
A
HOH
687
5
HOH
HOH
687
A
HOH
1001
5
HOH
HOH
1001
A
HOH
1002
5
HOH
HOH
1002
A
HOH
1003
5
HOH
HOH
1003
A
HOH
1004
5
HOH
HOH
1004
A
HOH
1005
5
HOH
HOH
1005
A
HOH
1006
5
HOH
HOH
1006
A
HOH
1007
5
HOH
HOH
1007
A
HOH
1008
5
HOH
HOH
1008
A
HOH
1009
5
HOH
HOH
1009
A
HOH
1010
5
HOH
HOH
1010
A
HOH
1011
5
HOH
HOH
1011
A
HOH
1012
5
HOH
HOH
1012
A
HOH
1013
5
HOH
HOH
1013
A
HOH
1014
5
HOH
HOH
1014
A
HOH
1015
5
HOH
HOH
1015
A
HOH
1016
5
HOH
HOH
1016
A
HOH
1018
5
HOH
HOH
1018
A
HOH
1019
5
HOH
HOH
1019
A
HOH
1020
5
HOH
HOH
1020
A
HOH
1021
5
HOH
HOH
1021
A
HOH
1022
5
HOH
HOH
1022
A
HOH
1023
5
HOH
HOH
1023
A
HOH
1024
5
HOH
HOH
1024
A
HOH
1025
5
HOH
HOH
1025
A
HOH
1026
5
HOH
HOH
1026
A
HOH
1027
5
HOH
HOH
1027
A
HOH
1028
5
HOH
HOH
1028
A
HOH
1029
5
HOH
HOH
1029
A
HOH
1030
5
HOH
HOH
1030
A
HOH
1031
5
HOH
HOH
1031
A
HOH
1032
5
HOH
HOH
1032
A
HOH
1036
5
HOH
HOH
1036
A
HOH
1037
5
HOH
HOH
1037
A
HOH
1038
5
HOH
HOH
1038
A
HOH
1039
5
HOH
HOH
1039
A
HOH
1040
5
HOH
HOH
1040
A
HOH
1041
5
HOH
HOH
1041
A
HOH
1042
5
HOH
HOH
1042
A
HOH
1043
5
HOH
HOH
1043
A
HOH
1044
5
HOH
HOH
1044
A
HOH
1045
5
HOH
HOH
1045
A
HOH
1046
5
HOH
HOH
1046
A
HOH
1047
5
HOH
HOH
1047
A
HOH
1048
5
HOH
HOH
1048
A
HOH
1049
5
HOH
HOH
1049
A
HOH
1050
5
HOH
HOH
1050
A
HOH
1051
5
HOH
HOH
1051
A
HOH
1052
5
HOH
HOH
1052
A
HOH
1053
5
HOH
HOH
1053
A
HOH
1054
5
HOH
HOH
1054
A
HOH
1055
5
HOH
HOH
1055
A
HOH
1056
5
HOH
HOH
1056
A
HOH
1057
5
HOH
HOH
1057
A
HOH
1058
5
HOH
HOH
1058
A
HOH
1059
5
HOH
HOH
1059
A
HOH
1060
5
HOH
HOH
1060
A
HOH
1061
5
HOH
HOH
1061
A
HOH
1063
5
HOH
HOH
1063
A
HOH
1064
5
HOH
HOH
1064
A
HOH
1065
5
HOH
HOH
1065
A
HOH
1066
5
HOH
HOH
1066
A
HOH
1067
5
HOH
HOH
1067
A
HOH
1068
5
HOH
HOH
1068
A
HOH
1094
5
HOH
HOH
1094
A
HOH
1095
5
HOH
HOH
1095
A
HOH
1096
5
HOH
HOH
1096
A
HOH
1097
5
HOH
HOH
1097
A
HOH
1098
5
HOH
HOH
1098
A
HOH
1099
5
HOH
HOH
1099
A
HOH
1100
5
HOH
HOH
1100
A
HOH
1101
5
HOH
HOH
1101
A
HOH
1102
5
HOH
HOH
1102
A
HOH
1103
5
HOH
HOH
1103
A
HOH
1104
5
HOH
HOH
1104
A
HOH
1107
5
HOH
HOH
1107
A
HOH
1115
5
HOH
HOH
1115
A
HOH
1116
5
HOH
HOH
1116
A
HOH
1119
5
HOH
HOH
1119
A
HOH
1121
5
HOH
HOH
1121
A
HOH
1122
5
HOH
HOH
1122
A
HOH
1125
5
HOH
HOH
1125
A
HOH
1128
5
HOH
HOH
1128
A
HOH
1129
5
HOH
HOH
1129
A
HOH
1130
5
HOH
HOH
1130
A
HOH
1131
5
HOH
HOH
1131
A
HOH
1133
5
HOH
HOH
1133
A
HOH
1135
5
HOH
HOH
1135
A
HOH
1136
5
HOH
HOH
1136
A
HOH
1137
5
HOH
HOH
1137
A
HOH
1138
5
HOH
HOH
1138
A
HOH
1142
5
HOH
HOH
1142
A
HOH
1144
5
HOH
HOH
1144
A
HOH
1145
5
HOH
HOH
1145
A
HOH
1147
5
HOH
HOH
1147
A
HOH
1148
5
HOH
HOH
1148
A
HOH
1150
5
HOH
HOH
1150
A
HOH
1152
5
HOH
HOH
1152
A
HOH
1154
5
HOH
HOH
1154
A
HOH
1155
5
HOH
HOH
1155
A
HOH
1157
5
HOH
HOH
1157
A
HOH
1158
5
HOH
HOH
1158
A
HOH
1159
5
HOH
HOH
1159
A
HOH
1160
5
HOH
HOH
1160
A
HOH
1162
5
HOH
HOH
1162
A
HOH
1165
5
HOH
HOH
1165
A
HOH
1166
5
HOH
HOH
1166
A
HOH
1169
5
HOH
HOH
1169
A
HOH
1172
5
HOH
HOH
1172
A
HOH
1173
5
HOH
HOH
1173
A
HOH
1174
5
HOH
HOH
1174
A
HOH
1176
5
HOH
HOH
1176
A
HOH
1177
5
HOH
HOH
1177
A
HOH
1178
5
HOH
HOH
1178
A
HOH
1179
5
HOH
HOH
1179
A
HOH
1183
5
HOH
HOH
1183
A
HOH
1184
5
HOH
HOH
1184
A
HOH
1185
5
HOH
HOH
1185
A
HOH
1186
5
HOH
HOH
1186
A
HOH
1188
5
HOH
HOH
1188
A
HOH
1189
5
HOH
HOH
1189
A
HOH
1190
5
HOH
HOH
1190
A
HOH
1192
5
HOH
HOH
1192
A
HOH
1195
5
HOH
HOH
1195
A
HOH
1196
5
HOH
HOH
1196
A
HOH
1199
5
HOH
HOH
1199
A
HOH
1220
5
HOH
HOH
1220
A
HOH
1224
5
HOH
HOH
1224
A
HOH
1226
5
HOH
HOH
1226
A
HOH
1228
5
HOH
HOH
1228
A
HOH
1242
5
HOH
HOH
1242
A
HOH
1244
5
HOH
HOH
1244
A
HOH
1245
5
HOH
HOH
1245
A
HOH
1254
5
HOH
HOH
1254
A
HOH
1257
5
HOH
HOH
1257
A
HOH
1263
5
HOH
HOH
1263
A
HOH
1285
5
HOH
HOH
1285
A
HOH
1290
5
HOH
HOH
1290
A
HOH
1312
5
HOH
HOH
1312
A
HOH
1313
5
HOH
HOH
1313
A
HOH
1314
5
HOH
HOH
1314
A
HOH
1315
5
HOH
HOH
1315
A
HOH
1316
5
HOH
HOH
1316
A
HOH
1317
5
HOH
HOH
1317
A
HOH
1318
5
HOH
HOH
1318
A
HOH
1319
5
HOH
HOH
1319
A
HOH
1321
5
HOH
HOH
1321
A
HOH
1322
5
HOH
HOH
1322
A
HOH
1323
5
HOH
HOH
1323
A
HOH
1325
5
HOH
HOH
1325
A
HOH
1326
5
HOH
HOH
1326
A
HOH
660
5
HOH
HOH
660
I
HOH
661
5
HOH
HOH
661
I
HOH
662
5
HOH
HOH
662
I
HOH
665
5
HOH
HOH
665
I
HOH
666
5
HOH
HOH
666
I
HOH
668
5
HOH
HOH
668
I
HOH
670
5
HOH
HOH
670
I
HOH
671
5
HOH
HOH
671
I
HOH
678
5
HOH
HOH
678
I
HOH
1069
5
HOH
HOH
1069
I
HOH
1070
5
HOH
HOH
1070
I
HOH
1071
5
HOH
HOH
1071
I
HOH
1072
5
HOH
HOH
1072
I
HOH
1073
5
HOH
HOH
1073
I
HOH
1074
5
HOH
HOH
1074
I
HOH
1076
5
HOH
HOH
1076
I
HOH
1077
5
HOH
HOH
1077
I
HOH
1078
5
HOH
HOH
1078
I
HOH
1081
5
HOH
HOH
1081
I
HOH
1084
5
HOH
HOH
1084
I
HOH
1085
5
HOH
HOH
1085
I
HOH
1086
5
HOH
HOH
1086
I
HOH
1087
5
HOH
HOH
1087
I
HOH
1088
5
HOH
HOH
1088
I
HOH
1089
5
HOH
HOH
1089
I
HOH
1106
5
HOH
HOH
1106
I
HOH
1108
5
HOH
HOH
1108
I
HOH
1109
5
HOH
HOH
1109
I
HOH
1112
5
HOH
HOH
1112
I
HOH
1113
5
HOH
HOH
1113
I
HOH
1114
5
HOH
HOH
1114
I
HOH
1117
5
HOH
HOH
1117
I
HOH
1118
5
HOH
HOH
1118
I
HOH
1120
5
HOH
HOH
1120
I
HOH
1124
5
HOH
HOH
1124
I
HOH
1126
5
HOH
HOH
1126
I
HOH
1127
5
HOH
HOH
1127
I
HOH
1132
5
HOH
HOH
1132
I
HOH
1134
5
HOH
HOH
1134
I
HOH
1141
5
HOH
HOH
1141
I
HOH
1143
5
HOH
HOH
1143
I
HOH
1149
5
HOH
HOH
1149
I
HOH
1151
5
HOH
HOH
1151
I
HOH
1153
5
HOH
HOH
1153
I
HOH
1156
5
HOH
HOH
1156
I
HOH
1161
5
HOH
HOH
1161
I
HOH
1163
5
HOH
HOH
1163
I
HOH
1164
5
HOH
HOH
1164
I
HOH
1167
5
HOH
HOH
1167
I
HOH
1168
5
HOH
HOH
1168
I
HOH
1170
5
HOH
HOH
1170
I
HOH
1171
5
HOH
HOH
1171
I
HOH
1175
5
HOH
HOH
1175
I
HOH
1180
5
HOH
HOH
1180
I
HOH
1182
5
HOH
HOH
1182
I
HOH
1187
5
HOH
HOH
1187
I
HOH
1280
5
HOH
HOH
1280
I
HOH
1281
5
HOH
HOH
1281
I
HOH
1296
5
HOH
HOH
1296
I
HOH
1298
5
HOH
HOH
1298
I
HOH
1320
5
HOH
HOH
1320
I
HOH
1324
5
HOH
HOH
1324
I
ILE
16
n
1
ILE
16
A
VAL
17
n
2
VAL
17
A
GLY
18
n
3
GLY
18
A
GLY
19
n
4
GLY
19
A
TYR
20
n
5
TYR
20
A
THR
21
n
6
THR
21
A
CYS
22
n
7
CYS
22
A
GLY
23
n
8
GLY
23
A
ALA
24
n
9
ALA
24
A
ASN
25
n
10
ASN
25
A
THR
26
n
11
THR
26
A
VAL
27
n
12
VAL
27
A
PRO
28
n
13
PRO
28
A
TYR
29
n
14
TYR
29
A
GLN
30
n
15
GLN
30
A
VAL
31
n
16
VAL
31
A
SER
32
n
17
SER
32
A
LEU
33
n
18
LEU
33
A
ASN
34
n
19
ASN
34
A
SER
37
n
20
SER
37
A
GLY
38
n
21
GLY
38
A
TYR
39
n
22
TYR
39
A
HIS
40
n
23
HIS
40
A
PHE
41
n
24
PHE
41
A
CYS
42
n
25
CYS
42
A
GLY
43
n
26
GLY
43
A
GLY
44
n
27
GLY
44
A
SER
45
n
28
SER
45
A
LEU
46
n
29
LEU
46
A
ILE
47
n
30
ILE
47
A
ASN
48
n
31
ASN
48
A
SER
49
n
32
SER
49
A
GLN
50
n
33
GLN
50
A
TRP
51
n
34
TRP
51
A
VAL
52
n
35
VAL
52
A
VAL
53
n
36
VAL
53
A
SER
54
n
37
SER
54
A
ALA
55
n
38
ALA
55
A
ALA
56
n
39
ALA
56
A
HIS
57
n
40
HIS
57
A
CYS
58
n
41
CYS
58
A
TYR
59
n
42
TYR
59
A
LYS
60
n
43
LYS
60
A
SER
61
n
44
SER
61
A
GLY
62
n
45
GLY
62
A
ILE
63
n
46
ILE
63
A
GLN
64
n
47
GLN
64
A
VAL
65
n
48
VAL
65
A
ARG
66
n
49
ARG
66
A
LEU
67
n
50
LEU
67
A
GLY
69
n
51
GLY
69
A
GLU
70
n
52
GLU
70
A
ASP
71
n
53
ASP
71
A
ASN
72
n
54
ASN
72
A
ILE
73
n
55
ILE
73
A
ASN
74
n
56
ASN
74
A
VAL
75
n
57
VAL
75
A
VAL
76
n
58
VAL
76
A
GLU
77
n
59
GLU
77
A
GLY
78
n
60
GLY
78
A
ASN
79
n
61
ASN
79
A
GLU
80
n
62
GLU
80
A
GLN
81
n
63
GLN
81
A
PHE
82
n
64
PHE
82
A
ILE
83
n
65
ILE
83
A
SER
84
n
66
SER
84
A
ALA
85
n
67
ALA
85
A
SER
86
n
68
SER
86
A
LYS
87
n
69
LYS
87
A
SER
88
n
70
SER
88
A
ILE
89
n
71
ILE
89
A
VAL
90
n
72
VAL
90
A
HIS
91
n
73
HIS
91
A
PRO
92
n
74
PRO
92
A
SER
93
n
75
SER
93
A
TYR
94
n
76
TYR
94
A
ASN
95
n
77
ASN
95
A
SER
96
n
78
SER
96
A
ASN
97
n
79
ASN
97
A
THR
98
n
80
THR
98
A
LEU
99
n
81
LEU
99
A
ASN
100
n
82
ASN
100
A
ASN
101
n
83
ASN
101
A
ASP
102
n
84
ASP
102
A
ILE
103
n
85
ILE
103
A
MET
104
n
86
MET
104
A
LEU
105
n
87
LEU
105
A
ILE
106
n
88
ILE
106
A
LYS
107
n
89
LYS
107
A
LEU
108
n
90
LEU
108
A
LYS
109
n
91
LYS
109
A
SER
110
n
92
SER
110
A
ALA
111
n
93
ALA
111
A
ALA
112
n
94
ALA
112
A
SER
113
n
95
SER
113
A
LEU
114
n
96
LEU
114
A
ASN
115
n
97
ASN
115
A
SER
116
n
98
SER
116
A
ARG
117
n
99
ARG
117
A
VAL
118
n
100
VAL
118
A
ALA
119
n
101
ALA
119
A
SER
120
n
102
SER
120
A
ILE
121
n
103
ILE
121
A
SER
122
n
104
SER
122
A
LEU
123
n
105
LEU
123
A
PRO
124
n
106
PRO
124
A
THR
125
n
107
THR
125
A
SER
127
n
108
SER
127
A
CYS
128
n
109
CYS
128
A
ALA
129
n
110
ALA
129
A
SER
130
n
111
SER
130
A
ALA
132
n
112
ALA
132
A
GLY
133
n
113
GLY
133
A
THR
134
n
114
THR
134
A
GLN
135
n
115
GLN
135
A
CYS
136
n
116
CYS
136
A
LEU
137
n
117
LEU
137
A
ILE
138
n
118
ILE
138
A
SER
139
n
119
SER
139
A
GLY
140
n
120
GLY
140
A
TRP
141
n
121
TRP
141
A
GLY
142
n
122
GLY
142
A
ASN
143
n
123
ASN
143
A
THR
144
n
124
THR
144
A
LYS
145
n
125
LYS
145
A
SER
146
n
126
SER
146
A
SER
147
n
127
SER
147
A
GLY
148
n
128
GLY
148
A
THR
149
n
129
THR
149
A
SER
150
n
130
SER
150
A
TYR
151
n
131
TYR
151
A
PRO
152
n
132
PRO
152
A
ASP
153
n
133
ASP
153
A
VAL
154
n
134
VAL
154
A
LEU
155
n
135
LEU
155
A
LYS
156
n
136
LYS
156
A
CYS
157
n
137
CYS
157
A
LEU
158
n
138
LEU
158
A
LYS
159
n
139
LYS
159
A
ALA
160
n
140
ALA
160
A
PRO
161
n
141
PRO
161
A
ILE
162
n
142
ILE
162
A
LEU
163
n
143
LEU
163
A
SER
164
n
144
SER
164
A
ASP
165
n
145
ASP
165
A
SER
166
n
146
SER
166
A
SER
167
n
147
SER
167
A
CYS
168
n
148
CYS
168
A
LYS
169
n
149
LYS
169
A
SER
170
n
150
SER
170
A
ALA
171
n
151
ALA
171
A
TYR
172
n
152
TYR
172
A
PRO
173
n
153
PRO
173
A
GLY
174
n
154
GLY
174
A
GLN
175
n
155
GLN
175
A
ILE
176
n
156
ILE
176
A
THR
177
n
157
THR
177
A
SER
178
n
158
SER
178
A
ASN
179
n
159
ASN
179
A
MET
180
n
160
MET
180
A
PHE
181
n
161
PHE
181
A
CYS
182
n
162
CYS
182
A
ALA
183
n
163
ALA
183
A
GLY
184
n
164
GLY
184
A
TYR
184
n
165
A
TYR
184
A
LEU
185
n
166
LEU
185
A
GLU
186
n
167
GLU
186
A
GLY
187
n
168
GLY
187
A
GLY
188
n
169
GLY
188
A
LYS
188
n
170
A
LYS
188
A
ASP
189
n
171
ASP
189
A
SER
190
n
172
SER
190
A
CYS
191
n
173
CYS
191
A
GLN
192
n
174
GLN
192
A
GLY
193
n
175
GLY
193
A
ASP
194
n
176
ASP
194
A
SER
195
n
177
SER
195
A
GLY
196
n
178
GLY
196
A
GLY
197
n
179
GLY
197
A
PRO
198
n
180
PRO
198
A
VAL
199
n
181
VAL
199
A
VAL
200
n
182
VAL
200
A
CYS
201
n
183
CYS
201
A
SER
202
n
184
SER
202
A
GLY
203
n
185
GLY
203
A
LYS
204
n
186
LYS
204
A
LEU
209
n
187
LEU
209
A
GLN
210
n
188
GLN
210
A
GLY
211
n
189
GLY
211
A
ILE
212
n
190
ILE
212
A
VAL
213
n
191
VAL
213
A
SER
214
n
192
SER
214
A
TRP
215
n
193
TRP
215
A
GLY
216
n
194
GLY
216
A
SER
217
n
195
SER
217
A
GLY
219
n
196
GLY
219
A
CYS
220
n
197
CYS
220
A
ALA
221
n
198
ALA
221
A
GLN
221
n
199
A
GLN
221
A
LYS
222
n
200
LYS
222
A
ASN
223
n
201
ASN
223
A
LYS
224
n
202
LYS
224
A
PRO
225
n
203
PRO
225
A
GLY
226
n
204
GLY
226
A
VAL
227
n
205
VAL
227
A
TYR
228
n
206
TYR
228
A
THR
229
n
207
THR
229
A
LYS
230
n
208
LYS
230
A
VAL
231
n
209
VAL
231
A
CYS
232
n
210
CYS
232
A
ASN
233
n
211
ASN
233
A
TYR
234
n
212
TYR
234
A
VAL
235
n
213
VAL
235
A
SER
236
n
214
SER
236
A
TRP
237
n
215
TRP
237
A
ILE
238
n
216
ILE
238
A
LYS
239
n
217
LYS
239
A
GLN
240
n
218
GLN
240
A
THR
241
n
219
THR
241
A
ILE
242
n
220
ILE
242
A
ALA
243
n
221
ALA
243
A
SER
244
n
222
SER
244
A
ASN
245
n
223
ASN
245
A
ARG
1
n
1
ARG
1
I
PRO
2
n
2
PRO
2
I
ASP
3
n
3
ASP
3
I
PHE
4
n
4
PHE
4
I
CYS
5
n
5
CYS
5
I
LEU
6
n
6
LEU
6
I
GLU
7
n
7
GLU
7
I
PRO
8
n
8
PRO
8
I
PRO
9
n
9
PRO
9
I
TYR
10
n
10
TYR
10
I
THR
11
n
11
THR
11
I
GLY
12
n
12
GLY
12
I
PRO
13
n
13
PRO
13
I
CYS
14
n
14
CYS
14
I
GLY
15
n
15
GLY
15
I
ALA
16
n
16
ALA
16
I
ARG
17
n
17
ARG
17
I
ILE
18
n
18
ILE
18
I
ILE
19
n
19
ILE
19
I
ARG
20
n
20
ARG
20
I
TYR
21
n
21
TYR
21
I
PHE
22
n
22
PHE
22
I
TYR
23
n
23
TYR
23
I
ASN
24
n
24
ASN
24
I
ALA
25
n
25
ALA
25
I
LYS
26
n
26
LYS
26
I
ALA
27
n
27
ALA
27
I
GLY
28
n
28
GLY
28
I
LEU
29
n
29
LEU
29
I
CYS
30
n
30
CYS
30
I
GLN
31
n
31
GLN
31
I
THR
32
n
32
THR
32
I
PHE
33
n
33
PHE
33
I
VAL
34
n
34
VAL
34
I
TYR
35
n
35
TYR
35
I
GLY
36
n
36
GLY
36
I
GLY
37
n
37
GLY
37
I
CYS
38
n
38
CYS
38
I
ARG
39
n
39
ARG
39
I
ALA
40
n
40
ALA
40
I
LYS
41
n
41
LYS
41
I
ARG
42
n
42
ARG
42
I
ASN
43
n
43
ASN
43
I
ASN
44
n
44
ASN
44
I
PHE
45
n
45
PHE
45
I
LYS
46
n
46
LYS
46
I
SER
47
n
47
SER
47
I
ALA
48
n
48
ALA
48
I
GLU
49
n
49
GLU
49
I
ASP
50
n
50
ASP
50
I
CYS
51
n
51
CYS
51
I
LEU
52
n
52
LEU
52
I
ARG
53
n
53
ARG
53
I
THR
54
n
54
THR
54
I
CYS
55
n
55
CYS
55
I
GLY
56
n
56
GLY
56
I
GLY
57
n
57
GLY
57
I
ALA
58
n
58
ALA
58
I
author_and_software_defined_assembly
PISA
2
dimeric
1760
-46
11830
A
GLU
70
A
OE2
GLU
52
1_555
A
CA
600
C
CA
CA
1_555
A
ASN
72
A
O
ASN
54
1_555
87.3
A
GLU
70
A
OE2
GLU
52
1_555
A
CA
600
C
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
159.8
A
ASN
72
A
O
ASN
54
1_555
A
CA
600
C
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
80.6
A
GLU
70
A
OE2
GLU
52
1_555
A
CA
600
C
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
109.6
A
ASN
72
A
O
ASN
54
1_555
A
CA
600
C
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
161.3
A
VAL
75
A
O
VAL
57
1_555
A
CA
600
C
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
85.1
A
GLU
70
A
OE2
GLU
52
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1021
F
O
HOH
1_555
76.4
A
ASN
72
A
O
ASN
54
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1021
F
O
HOH
1_555
101.0
A
VAL
75
A
O
VAL
57
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1021
F
O
HOH
1_555
90.0
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1021
F
O
HOH
1_555
91.0
A
GLU
70
A
OE2
GLU
52
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1044
F
O
HOH
1_555
84.0
A
ASN
72
A
O
ASN
54
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1044
F
O
HOH
1_555
91.4
A
VAL
75
A
O
VAL
57
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1044
F
O
HOH
1_555
112.3
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1044
F
O
HOH
1_555
82.9
A
HOH
1021
F
O
HOH
1_555
A
CA
600
C
CA
CA
1_555
A
HOH
1044
F
O
HOH
1_555
156.2
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
A
N
TYR
20
A
N
TYR
5
A
O
CYS
157
A
O
CYS
137
A
O
LEU
158
A
O
LEU
138
A
N
ILE
138
A
N
ILE
118
A
N
LEU
137
A
N
LEU
117
A
O
VAL
200
A
O
VAL
182
A
N
CYS
201
A
N
CYS
183
A
O
LYS
204
A
O
LYS
186
A
N
TRP
215
A
N
TRP
193
A
O
VAL
227
A
O
VAL
205
A
O
TYR
228
A
O
TYR
206
A
N
PHE
181
A
N
PHE
161
A
N
LEU
33
A
N
LEU
18
A
O
CYS
42
A
O
CYS
25
A
N
SER
45
A
N
SER
28
A
O
VAL
53
A
O
VAL
36
A
N
VAL
52
A
N
VAL
35
A
O
ILE
106
A
O
ILE
88
A
O
LEU
105
A
O
LEU
87
A
N
ILE
89
A
N
ILE
71
A
O
ILE
83
A
O
ILE
65
A
N
VAL
65
A
N
VAL
48
A
O
ARG
66
A
O
ARG
49
A
N
SER
32
A
N
SER
17
I
N
ILE
18
B
N
ILE
18
I
O
TYR
35
B
O
TYR
35
1
A
O
ASN
115
A
O
ASN
97
0
Y
1
A
CB
ASN
115
A
CB
ASN
97
0
Y
1
A
CG
ASN
115
A
CG
ASN
97
0
Y
1
A
OD1
ASN
115
A
OD1
ASN
97
0
Y
1
A
ND2
ASN
115
A
ND2
ASN
97
0
Y
1
A
CB
SER
116
A
CB
SER
98
0
Y
1
A
OG
SER
116
A
OG
SER
98
0
Y
1
A
CZ
ARG
117
A
CZ
ARG
99
0
Y
1
A
NH1
ARG
117
A
NH1
ARG
99
0
Y
1
A
NH2
ARG
117
A
NH2
ARG
99
0
Y
1
A
CD
LYS
145
A
CD
LYS
125
0
Y
1
A
CE
LYS
145
A
CE
LYS
125
0
Y
1
A
NZ
LYS
145
A
NZ
LYS
125
0
Y
1
A
OG
SER
147
A
OG
SER
127
0
Y
1
A
CE
LYS
169
A
CE
LYS
149
0
Y
1
A
NZ
LYS
169
A
NZ
LYS
149
0
Y
1
A
CD
LYS
222
A
CD
LYS
200
0
Y
1
A
CE
LYS
222
A
CE
LYS
200
0
Y
1
A
NZ
LYS
222
A
NZ
LYS
200
0
Y
1
I
O
ARG
1
B
O
ARG
1
0
Y
1
I
CB
ARG
1
B
CB
ARG
1
0
Y
1
I
CG
ARG
1
B
CG
ARG
1
0
Y
1
I
CD
ARG
1
B
CD
ARG
1
0
Y
1
I
NE
ARG
1
B
NE
ARG
1
0
Y
1
I
CZ
ARG
1
B
CZ
ARG
1
0
Y
1
I
NH1
ARG
1
B
NH1
ARG
1
0
Y
1
I
NH2
ARG
1
B
NH2
ARG
1
0
Y
1
I
CG
LYS
26
B
CG
LYS
26
0
Y
1
I
CD
LYS
26
B
CD
LYS
26
0
Y
1
I
CE
LYS
26
B
CE
LYS
26
0
Y
1
I
NZ
LYS
26
B
NZ
LYS
26
0
Y
1
A
ASP
71
-133.09
-76.86
1
A
ASN
115
-157.80
-75.54
1
A
SER
116
-141.75
-44.41
1
A
SER
214
-117.50
-75.72
20.29
0.21
0.201
0.201
0.201
1.65
24.41
2746
45488
45488
6
99.9
Random
1
Isotropic
THROUGHOUT
0
0
MOLECULAR REPLACEMENT
pdb entry 3btg
Engh & Huber
0.19
0.15
1.65
24.41
228
2323
11
0
2084
0.004
1.33
25.26
0.73
17.53
1.65
24.41
1P2I
45488
45488
2
2
0.062
0.062
1
9.7
4.3
99.8
0.316
1.65
1.74
2.4
45489
0.316
4.3
99.9
data reduction
DENZO
data scaling
SCALA
refinement
CNS
data scaling
CCP4
(SCALA)
phasing
CNS
Structural consequences of accommodation of four non-cognate amino-acid residues in the S1 pocket of bovine trypsin and chymotrypsin
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
5
N
N
5
N
N
A
ALA
55
A
ALA
38
HELX_P
A
TYR
59
A
TYR
42
5
1
5
A
SER
164
A
SER
144
HELX_P
A
TYR
172
A
TYR
152
1
2
9
A
TYR
234
A
TYR
212
HELX_P
A
SER
244
A
SER
222
1
3
11
I
ASP
3
B
ASP
3
HELX_P
I
GLU
7
B
GLU
7
5
4
5
I
SER
47
B
SER
47
HELX_P
I
GLY
56
B
GLY
56
1
5
10
disulf
2.032
A
CYS
22
A
SG
CYS
7
1_555
A
CYS
157
A
SG
CYS
137
1_555
disulf
2.040
A
CYS
42
A
SG
CYS
25
1_555
A
CYS
58
A
SG
CYS
41
1_555
disulf
2.033
A
CYS
128
A
SG
CYS
109
1_555
A
CYS
232
A
SG
CYS
210
1_555
disulf
2.032
A
CYS
136
A
SG
CYS
116
1_555
A
CYS
201
A
SG
CYS
183
1_555
disulf
2.033
A
CYS
168
A
SG
CYS
148
1_555
A
CYS
182
A
SG
CYS
162
1_555
disulf
2.028
A
CYS
191
A
SG
CYS
173
1_555
A
CYS
220
A
SG
CYS
197
1_555
disulf
2.028
I
CYS
5
B
SG
CYS
5
1_555
I
CYS
55
B
SG
CYS
55
1_555
disulf
2.029
I
CYS
14
B
SG
CYS
14
1_555
I
CYS
38
B
SG
CYS
38
1_555
disulf
2.029
I
CYS
30
B
SG
CYS
30
1_555
I
CYS
51
B
SG
CYS
51
1_555
metalc
2.330
A
GLU
70
A
OE2
GLU
52
1_555
A
CA
600
C
CA
CA
1_555
metalc
2.341
A
ASN
72
A
O
ASN
54
1_555
A
CA
600
C
CA
CA
1_555
metalc
2.249
A
VAL
75
A
O
VAL
57
1_555
A
CA
600
C
CA
CA
1_555
metalc
2.293
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
600
C
CA
CA
1_555
metalc
2.392
A
CA
600
C
CA
CA
1_555
A
HOH
1021
F
O
HOH
1_555
metalc
2.378
A
CA
600
C
CA
CA
1_555
A
HOH
1044
F
O
HOH
1_555
hydrolase/hydrolase inhibitor
trypsin; chymotrypsin; serine proteinase; bovine pancreatic trypsin inhibitor; protein-protein interaction; non-cognate binding; S1 pocket; primary specificity; crystal structure, hydrolase-hydrolase inhibitor COMPLEX
I
ARG
1
B
ARG
1
1
I
PRO
2
B
PRO
2
-0.07
TRY1_BOVIN
UNP
1
21
P00760
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
BPT1_BOVIN
UNP
2
36
P00974
RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
21
243
1P2I
16
245
P00760
A
1
1
223
36
93
1P2I
1
58
P00974
I
2
1
58
2
LYS
engineered mutation
GLY
15
1P2I
I
P00974
UNP
50
15
2
MET
engineered mutation
LEU
52
1P2I
I
P00974
UNP
87
52
7
7
2
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
A
TYR
20
A
TYR
5
A
THR
21
A
THR
6
A
LYS
156
A
LYS
136
A
PRO
161
A
PRO
141
A
GLN
135
A
GLN
115
A
GLY
140
A
GLY
120
A
PRO
198
A
PRO
180
A
CYS
201
A
CYS
183
A
LYS
204
A
LYS
186
A
TRP
215
A
TRP
193
A
GLY
226
A
GLY
204
A
LYS
230
A
LYS
208
A
MET
180
A
MET
160
A
ALA
183
A
ALA
163
A
GLN
30
A
GLN
15
A
ASN
34
A
ASN
19
A
HIS
40
A
HIS
23
A
ASN
48
A
ASN
31
A
TRP
51
A
TRP
34
A
SER
54
A
SER
37
A
MET
104
A
MET
86
A
LEU
108
A
LEU
90
A
GLN
81
A
GLN
63
A
VAL
90
A
VAL
72
A
GLN
64
A
GLN
47
A
LEU
67
A
LEU
50
A
GLN
30
A
GLN
15
A
ASN
34
A
ASN
19
I
ILE
18
B
ILE
18
I
ASN
24
B
ASN
24
I
LEU
29
B
LEU
29
I
TYR
35
B
TYR
35
BINDING SITE FOR RESIDUE CA A 600
A
CA
600
Software
6
BINDING SITE FOR RESIDUE SO4 I 601
I
SO4
601
Software
7
BINDING SITE FOR RESIDUE SO4 I 602
I
SO4
602
Software
10
A
GLU
70
A
GLU
52
6
1_555
A
ASN
72
A
ASN
54
6
1_555
A
VAL
75
A
VAL
57
6
1_555
A
GLU
80
A
GLU
62
6
1_555
A
HOH
1021
F
HOH
6
1_555
A
HOH
1044
F
HOH
6
1_555
I
GLU
7
B
GLU
7
7
1_555
I
ARG
42
B
ARG
42
7
1_555
I
HOH
1069
G
HOH
7
1_555
I
HOH
1161
G
HOH
7
1_555
I
HOH
1168
G
HOH
7
1_555
I
HOH
1171
G
HOH
7
1_555
I
HOH
1180
G
HOH
7
1_555
I
ARG
20
B
ARG
20
10
1_555
I
TYR
35
B
TYR
35
10
1_555
I
GLY
37
B
GLY
37
10
1_555
I
ALA
40
B
ALA
40
10
1_555
I
HOH
660
G
HOH
10
1_555
I
HOH
671
G
HOH
10
1_555
I
HOH
678
G
HOH
10
1_555
I
HOH
1134
G
HOH
10
1_555
I
HOH
1141
G
HOH
10
1_555
I
HOH
1164
G
HOH
10
1_555
23
I 2 2 2