0.012972
0.000000
0.000000
0.000000
0.012146
0.000000
0.000000
0.000000
0.032092
0.00000
0.00000
0.00000
Berglund, G.I.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
77.090
82.330
31.160
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
C7 H8 N2
120.152
BENZAMIDINE
non-polymer
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
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
51
725
730
10.1107/S0907444995000333
15299802
Structure of anionic salmon trypsin in a second crystal form.
1995
To be Published
0353
Cold-Adaption of Enzymes: Structural Comparison between Salmon and Bovine Trypsins
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
49
318
Crystal Structure Determination and Refinement of Benzamidine-Inhibited Trypsin from the North Atlantic Salmon (Salmo Salar)
1993
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
214
355
Crystallization and Preliminary X-Ray Crystallographic Studies of Benzamidine-Inhibited Trypsin from the North Atlantic Salmon (Salmo Salar)
1990
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
210
813
Crystal Structure of Bovine B-Trypsin at 1.5 Angstroms Resolution in a Crystal Form with Low Molecular Packing Density
1989
DK
Acta Crystallogr.,Sect.B
ASBSDK
0622
0108-7681
39
480
The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and its Complexes with Inhibitors
1983
DK
Acta Crystallogr.,Sect.B
ASBSDK
0622
0108-7681
35
1861
The Accuracy of Refined Protein Structures: Comparison of Two Independently Refined Models of Bovine Trypsin
1979
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
x-ray
1
1.0
25402.500
TRYPSIN
1
man
polymer
40.078
CALCIUM ION
1
syn
non-polymer
96.063
SULFATE ION
1
syn
non-polymer
120.152
BENZAMIDINE
2
syn
non-polymer
18.015
water
125
nat
water
no
no
FVLLIGAAFATEDDKIVGGYECKAYSQAHQVSLNSGYHFCGGSLVNENWVVSAAHCYKSRVEVRLGEHNIKVTEGSEQFI
SSSRVIRHPNYSSYNIDNDIMLIKLSKPATLNTYVQPVALPTSCAPAGTMCTVSGWGNTMSSTADSNKLQCLNIPILSYS
DCNNSYPGMITNAMFCAGYLEGGKDSCQGDSGGPVVCNGELQGVVSWGYGCAEPGNPGVYAKVCIFNDWLTSTMASY
FVLLIGAAFATEDDKIVGGYECKAYSQAHQVSLNSGYHFCGGSLVNENWVVSAAHCYKSRVEVRLGEHNIKVTEGSEQFI
SSSRVIRHPNYSSYNIDNDIMLIKLSKPATLNTYVQPVALPTSCAPAGTMCTVSGWGNTMSSTADSNKLQCLNIPILSYS
DCNNSYPGMITNAMFCAGYLEGGKDSCQGDSGGPVVCNGELQGVVSWGYGCAEPGNPGVYAKVCIFNDWLTSTMASY
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Atlantic salmon
sample
8030
Salmo salar
1.95
36.78
pdbx_database_status
pdbx_unobs_or_zero_occ_atoms
pdbx_unobs_or_zero_occ_residues
software
software
repository
Initial release
Version format compliance
Version format compliance
Advisory
Data collection
Other
Refinement description
Data collection
Refinement description
1
0
1994-11-01
1
1
2008-03-24
1
2
2011-07-13
1
3
2019-07-17
1
4
2019-08-14
_pdbx_database_status.process_site
_software.classification
_software.classification
Y
BNL
1994-08-26
REL
REL
CA
CALCIUM ION
SO4
SULFATE ION
BEN
BENZAMIDINE
HOH
water
CALCIUM (IDENTIFIER CA) IS STRUCTURALLY BOUND IN THE SAME
SEQUENTIAL POSITION AS FOR BOVINE TRYPSIN.
A SULFATE ION HAS BEEN LOCATED AT THE ACTIVE SITE REGION
IN A SIMILAR POSITION REPORTED FOR BOVINE TRYPSIN.
THE AMINO ACID NUMBERING SYSTEM IS THE ONE ADOPTED FROM
CHYMOTRYPSINOGEN AND IS ALSO THE SAME AS USED FOR ALL THE
PDB ENTRIES OF TRYPSINS FROM OTHER SPECIES.
CA
248
2
CA
CA
248
A
SO4
249
3
SO4
SO4
249
A
BEN
246
4
BEN
BEN
246
A
BEN
247
4
BEN
BEN
247
A
HOH
300
5
HOH
HOH
300
A
HOH
301
5
HOH
HOH
301
A
HOH
302
5
HOH
HOH
302
A
HOH
303
5
HOH
HOH
303
A
HOH
304
5
HOH
HOH
304
A
HOH
305
5
HOH
HOH
305
A
HOH
306
5
HOH
HOH
306
A
HOH
307
5
HOH
HOH
307
A
HOH
308
5
HOH
HOH
308
A
HOH
309
5
HOH
HOH
309
A
HOH
310
5
HOH
HOH
310
A
HOH
311
5
HOH
HOH
311
A
HOH
312
5
HOH
HOH
312
A
HOH
313
5
HOH
HOH
313
A
HOH
314
5
HOH
HOH
314
A
HOH
315
5
HOH
HOH
315
A
HOH
316
5
HOH
HOH
316
A
HOH
317
5
HOH
HOH
317
A
HOH
318
5
HOH
HOH
318
A
HOH
319
5
HOH
HOH
319
A
HOH
320
5
HOH
HOH
320
A
HOH
321
5
HOH
HOH
321
A
HOH
322
5
HOH
HOH
322
A
HOH
323
5
HOH
HOH
323
A
HOH
324
5
HOH
HOH
324
A
HOH
325
5
HOH
HOH
325
A
HOH
326
5
HOH
HOH
326
A
HOH
327
5
HOH
HOH
327
A
HOH
328
5
HOH
HOH
328
A
HOH
329
5
HOH
HOH
329
A
HOH
330
5
HOH
HOH
330
A
HOH
331
5
HOH
HOH
331
A
HOH
332
5
HOH
HOH
332
A
HOH
333
5
HOH
HOH
333
A
HOH
334
5
HOH
HOH
334
A
HOH
335
5
HOH
HOH
335
A
HOH
336
5
HOH
HOH
336
A
HOH
337
5
HOH
HOH
337
A
HOH
338
5
HOH
HOH
338
A
HOH
339
5
HOH
HOH
339
A
HOH
340
5
HOH
HOH
340
A
HOH
341
5
HOH
HOH
341
A
HOH
342
5
HOH
HOH
342
A
HOH
343
5
HOH
HOH
343
A
HOH
344
5
HOH
HOH
344
A
HOH
345
5
HOH
HOH
345
A
HOH
346
5
HOH
HOH
346
A
HOH
347
5
HOH
HOH
347
A
HOH
348
5
HOH
HOH
348
A
HOH
349
5
HOH
HOH
349
A
HOH
350
5
HOH
HOH
350
A
HOH
351
5
HOH
HOH
351
A
HOH
352
5
HOH
HOH
352
A
HOH
353
5
HOH
HOH
353
A
HOH
354
5
HOH
HOH
354
A
HOH
355
5
HOH
HOH
355
A
HOH
356
5
HOH
HOH
356
A
HOH
357
5
HOH
HOH
357
A
HOH
358
5
HOH
HOH
358
A
HOH
359
5
HOH
HOH
359
A
HOH
360
5
HOH
HOH
360
A
HOH
361
5
HOH
HOH
361
A
HOH
362
5
HOH
HOH
362
A
HOH
363
5
HOH
HOH
363
A
HOH
364
5
HOH
HOH
364
A
HOH
365
5
HOH
HOH
365
A
HOH
366
5
HOH
HOH
366
A
HOH
367
5
HOH
HOH
367
A
HOH
368
5
HOH
HOH
368
A
HOH
369
5
HOH
HOH
369
A
HOH
370
5
HOH
HOH
370
A
HOH
371
5
HOH
HOH
371
A
HOH
372
5
HOH
HOH
372
A
HOH
373
5
HOH
HOH
373
A
HOH
374
5
HOH
HOH
374
A
HOH
375
5
HOH
HOH
375
A
HOH
376
5
HOH
HOH
376
A
HOH
377
5
HOH
HOH
377
A
HOH
378
5
HOH
HOH
378
A
HOH
379
5
HOH
HOH
379
A
HOH
380
5
HOH
HOH
380
A
HOH
381
5
HOH
HOH
381
A
HOH
382
5
HOH
HOH
382
A
HOH
383
5
HOH
HOH
383
A
HOH
384
5
HOH
HOH
384
A
HOH
385
5
HOH
HOH
385
A
HOH
386
5
HOH
HOH
386
A
HOH
387
5
HOH
HOH
387
A
HOH
388
5
HOH
HOH
388
A
HOH
389
5
HOH
HOH
389
A
HOH
390
5
HOH
HOH
390
A
HOH
391
5
HOH
HOH
391
A
HOH
392
5
HOH
HOH
392
A
HOH
393
5
HOH
HOH
393
A
HOH
394
5
HOH
HOH
394
A
HOH
395
5
HOH
HOH
395
A
HOH
396
5
HOH
HOH
396
A
HOH
397
5
HOH
HOH
397
A
HOH
398
5
HOH
HOH
398
A
HOH
399
5
HOH
HOH
399
A
HOH
400
5
HOH
HOH
400
A
HOH
401
5
HOH
HOH
401
A
HOH
402
5
HOH
HOH
402
A
HOH
403
5
HOH
HOH
403
A
HOH
404
5
HOH
HOH
404
A
HOH
405
5
HOH
HOH
405
A
HOH
406
5
HOH
HOH
406
A
HOH
407
5
HOH
HOH
407
A
HOH
408
5
HOH
HOH
408
A
HOH
409
5
HOH
HOH
409
A
HOH
410
5
HOH
HOH
410
A
HOH
411
5
HOH
HOH
411
A
HOH
412
5
HOH
HOH
412
A
HOH
413
5
HOH
HOH
413
A
HOH
414
5
HOH
HOH
414
A
HOH
415
5
HOH
HOH
415
A
HOH
416
5
HOH
HOH
416
A
HOH
417
5
HOH
HOH
417
A
HOH
418
5
HOH
HOH
418
A
HOH
419
5
HOH
HOH
419
A
HOH
420
5
HOH
HOH
420
A
HOH
421
5
HOH
HOH
421
A
HOH
422
5
HOH
HOH
422
A
HOH
423
5
HOH
HOH
423
A
HOH
424
5
HOH
HOH
424
A
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
n
6
6
A
n
7
7
A
n
8
8
A
n
9
9
A
n
10
10
A
n
11
11
A
n
12
12
A
n
13
13
A
n
14
14
A
n
15
15
A
ILE
16
n
16
ILE
16
A
VAL
17
n
17
VAL
17
A
GLY
18
n
18
GLY
18
A
GLY
19
n
19
GLY
19
A
TYR
20
n
20
TYR
20
A
GLU
21
n
21
GLU
21
A
CYS
22
n
22
CYS
22
A
LYS
23
n
23
LYS
23
A
ALA
24
n
24
ALA
24
A
TYR
25
n
25
TYR
25
A
SER
26
n
26
SER
26
A
GLN
27
n
27
GLN
27
A
ALA
28
n
28
ALA
28
A
HIS
29
n
29
HIS
29
A
GLN
30
n
30
GLN
30
A
VAL
31
n
31
VAL
31
A
SER
32
n
32
SER
32
A
LEU
33
n
33
LEU
33
A
ASN
34
n
34
ASN
34
A
SER
37
n
35
SER
37
A
GLY
38
n
36
GLY
38
A
TYR
39
n
37
TYR
39
A
HIS
40
n
38
HIS
40
A
PHE
41
n
39
PHE
41
A
CYS
42
n
40
CYS
42
A
GLY
43
n
41
GLY
43
A
GLY
44
n
42
GLY
44
A
SER
45
n
43
SER
45
A
LEU
46
n
44
LEU
46
A
VAL
47
n
45
VAL
47
A
ASN
48
n
46
ASN
48
A
GLU
49
n
47
GLU
49
A
ASN
50
n
48
ASN
50
A
TRP
51
n
49
TRP
51
A
VAL
52
n
50
VAL
52
A
VAL
53
n
51
VAL
53
A
SER
54
n
52
SER
54
A
ALA
55
n
53
ALA
55
A
ALA
56
n
54
ALA
56
A
HIS
57
n
55
HIS
57
A
CYS
58
n
56
CYS
58
A
TYR
59
n
57
TYR
59
A
LYS
60
n
58
LYS
60
A
SER
61
n
59
SER
61
A
ARG
62
n
60
ARG
62
A
VAL
63
n
61
VAL
63
A
GLU
64
n
62
GLU
64
A
VAL
65
n
63
VAL
65
A
ARG
66
n
64
ARG
66
A
LEU
67
n
65
LEU
67
A
GLY
69
n
66
GLY
69
A
GLU
70
n
67
GLU
70
A
HIS
71
n
68
HIS
71
A
ASN
72
n
69
ASN
72
A
ILE
73
n
70
ILE
73
A
LYS
74
n
71
LYS
74
A
VAL
75
n
72
VAL
75
A
THR
76
n
73
THR
76
A
GLU
77
n
74
GLU
77
A
GLY
78
n
75
GLY
78
A
SER
79
n
76
SER
79
A
GLU
80
n
77
GLU
80
A
GLN
81
n
78
GLN
81
A
PHE
82
n
79
PHE
82
A
ILE
83
n
80
ILE
83
A
SER
84
n
81
SER
84
A
SER
85
n
82
SER
85
A
SER
86
n
83
SER
86
A
ARG
87
n
84
ARG
87
A
VAL
88
n
85
VAL
88
A
ILE
89
n
86
ILE
89
A
ARG
90
n
87
ARG
90
A
HIS
91
n
88
HIS
91
A
PRO
92
n
89
PRO
92
A
ASN
93
n
90
ASN
93
A
TYR
94
n
91
TYR
94
A
SER
95
n
92
SER
95
A
SER
96
n
93
SER
96
A
TYR
97
n
94
TYR
97
A
ASN
98
n
95
ASN
98
A
ILE
99
n
96
ILE
99
A
ASP
100
n
97
ASP
100
A
ASN
101
n
98
ASN
101
A
ASP
102
n
99
ASP
102
A
ILE
103
n
100
ILE
103
A
MET
104
n
101
MET
104
A
LEU
105
n
102
LEU
105
A
ILE
106
n
103
ILE
106
A
LYS
107
n
104
LYS
107
A
LEU
108
n
105
LEU
108
A
SER
109
n
106
SER
109
A
LYS
110
n
107
LYS
110
A
PRO
111
n
108
PRO
111
A
ALA
112
n
109
ALA
112
A
THR
113
n
110
THR
113
A
LEU
114
n
111
LEU
114
A
ASN
115
n
112
ASN
115
A
THR
116
n
113
THR
116
A
TYR
117
n
114
TYR
117
A
VAL
118
n
115
VAL
118
A
GLN
119
n
116
GLN
119
A
PRO
120
n
117
PRO
120
A
VAL
121
n
118
VAL
121
A
ALA
122
n
119
ALA
122
A
LEU
123
n
120
LEU
123
A
PRO
124
n
121
PRO
124
A
THR
125
n
122
THR
125
A
SER
127
n
123
SER
127
A
CYS
128
n
124
CYS
128
A
ALA
129
n
125
ALA
129
A
PRO
130
n
126
PRO
130
A
ALA
132
n
127
ALA
132
A
GLY
133
n
128
GLY
133
A
THR
134
n
129
THR
134
A
MET
135
n
130
MET
135
A
CYS
136
n
131
CYS
136
A
THR
137
n
132
THR
137
A
VAL
138
n
133
VAL
138
A
SER
139
n
134
SER
139
A
GLY
140
n
135
GLY
140
A
TRP
141
n
136
TRP
141
A
GLY
142
n
137
GLY
142
A
ASN
143
n
138
ASN
143
A
THR
144
n
139
THR
144
A
MET
145
n
140
MET
145
A
SER
147
n
141
SER
147
A
SER
148
n
142
SER
148
A
THR
149
n
143
THR
149
A
ALA
150
n
144
ALA
150
A
ASP
151
n
145
ASP
151
A
SER
152
n
146
SER
152
A
ASN
153
n
147
ASN
153
A
LYS
154
n
148
LYS
154
A
LEU
155
n
149
LEU
155
A
GLN
156
n
150
GLN
156
A
CYS
157
n
151
CYS
157
A
LEU
158
n
152
LEU
158
A
ASN
159
n
153
ASN
159
A
ILE
160
n
154
ILE
160
A
PRO
161
n
155
PRO
161
A
ILE
162
n
156
ILE
162
A
LEU
163
n
157
LEU
163
A
SER
164
n
158
SER
164
A
TYR
165
n
159
TYR
165
A
SER
166
n
160
SER
166
A
ASP
167
n
161
ASP
167
A
CYS
168
n
162
CYS
168
A
ASN
169
n
163
ASN
169
A
ASN
170
n
164
ASN
170
A
SER
171
n
165
SER
171
A
TYR
172
n
166
TYR
172
A
PRO
173
n
167
PRO
173
A
GLY
174
n
168
GLY
174
A
MET
175
n
169
MET
175
A
ILE
176
n
170
ILE
176
A
THR
177
n
171
THR
177
A
ASN
178
n
172
ASN
178
A
ALA
179
n
173
ALA
179
A
MET
180
n
174
MET
180
A
PHE
181
n
175
PHE
181
A
CYS
182
n
176
CYS
182
A
ALA
183
n
177
ALA
183
A
GLY
184
n
178
GLY
184
A
TYR
184
n
179
A
TYR
184
A
LEU
185
n
180
LEU
185
A
GLU
186
n
181
GLU
186
A
GLY
187
n
182
GLY
187
A
GLY
188
n
183
GLY
188
A
LYS
188
n
184
A
LYS
188
A
ASP
189
n
185
ASP
189
A
SER
190
n
186
SER
190
A
CYS
191
n
187
CYS
191
A
GLN
192
n
188
GLN
192
A
GLY
193
n
189
GLY
193
A
ASP
194
n
190
ASP
194
A
SER
195
n
191
SER
195
A
GLY
196
n
192
GLY
196
A
GLY
197
n
193
GLY
197
A
PRO
198
n
194
PRO
198
A
VAL
199
n
195
VAL
199
A
VAL
200
n
196
VAL
200
A
CYS
201
n
197
CYS
201
A
ASN
202
n
198
ASN
202
A
GLY
203
n
199
GLY
203
A
GLU
204
n
200
GLU
204
A
LEU
209
n
201
LEU
209
A
GLN
210
n
202
GLN
210
A
GLY
211
n
203
GLY
211
A
VAL
212
n
204
VAL
212
A
VAL
213
n
205
VAL
213
A
SER
214
n
206
SER
214
A
TRP
215
n
207
TRP
215
A
GLY
216
n
208
GLY
216
A
TYR
217
n
209
TYR
217
A
GLY
219
n
210
GLY
219
A
CYS
220
n
211
CYS
220
A
ALA
221
n
212
ALA
221
A
GLU
221
n
213
A
GLU
221
A
PRO
222
n
214
PRO
222
A
GLY
223
n
215
GLY
223
A
ASN
224
n
216
ASN
224
A
PRO
225
n
217
PRO
225
A
GLY
226
n
218
GLY
226
A
VAL
227
n
219
VAL
227
A
TYR
228
n
220
TYR
228
A
ALA
229
n
221
ALA
229
A
LYS
230
n
222
LYS
230
A
VAL
231
n
223
VAL
231
A
CYS
232
n
224
CYS
232
A
ILE
233
n
225
ILE
233
A
PHE
234
n
226
PHE
234
A
ASN
235
n
227
ASN
235
A
ASP
236
n
228
ASP
236
A
TRP
237
n
229
TRP
237
A
LEU
238
n
230
LEU
238
A
THR
239
n
231
THR
239
A
SER
240
n
232
SER
240
A
THR
241
n
233
THR
241
A
MET
242
n
234
MET
242
A
ALA
243
n
235
ALA
243
A
SER
244
n
236
SER
244
A
TYR
245
n
237
TYR
245
A
author_defined_assembly
1
monomeric
A
VAL
75
A
O
VAL
72
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
77
1_555
93.4
A
VAL
75
A
O
VAL
72
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
70
A
OE1
GLU
67
1_555
162.0
A
GLU
80
A
OE2
GLU
77
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
70
A
OE1
GLU
67
1_555
94.5
A
VAL
75
A
O
VAL
72
1_555
A
CA
248
B
CA
CA
1_555
A
ASN
72
A
O
ASN
69
1_555
77.9
A
GLU
80
A
OE2
GLU
77
1_555
A
CA
248
B
CA
CA
1_555
A
ASN
72
A
O
ASN
69
1_555
169.2
A
GLU
70
A
OE1
GLU
67
1_555
A
CA
248
B
CA
CA
1_555
A
ASN
72
A
O
ASN
69
1_555
95.6
A
VAL
75
A
O
VAL
72
1_555
A
CA
248
B
CA
CA
1_555
A
HOH
331
F
O
HOH
1_555
87.2
A
GLU
80
A
OE2
GLU
77
1_555
A
CA
248
B
CA
CA
1_555
A
HOH
331
F
O
HOH
1_555
87.9
A
GLU
70
A
OE1
GLU
67
1_555
A
CA
248
B
CA
CA
1_555
A
HOH
331
F
O
HOH
1_555
77.0
A
ASN
72
A
O
ASN
69
1_555
A
CA
248
B
CA
CA
1_555
A
HOH
331
F
O
HOH
1_555
97.9
A
VAL
75
A
O
VAL
72
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
77
A
OE1
GLU
74
1_555
105.3
A
GLU
80
A
OE2
GLU
77
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
77
A
OE1
GLU
74
1_555
81.8
A
GLU
70
A
OE1
GLU
67
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
77
A
OE1
GLU
74
1_555
91.8
A
ASN
72
A
O
ASN
69
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
77
A
OE1
GLU
74
1_555
94.2
A
HOH
331
F
O
HOH
1_555
A
CA
248
B
CA
CA
1_555
A
GLU
77
A
OE1
GLU
74
1_555
164.2
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
O
TYR
20
A
O
TYR
20
A
N
CYS
157
A
N
CYS
151
A
O
ILE
160
A
O
ILE
154
A
N
CYS
136
A
N
CYS
131
A
N
SER
139
A
N
SER
134
A
O
PRO
198
A
O
PRO
194
A
N
CYS
201
A
N
CYS
197
A
O
GLU
204
A
O
GLU
200
A
O
TRP
215
A
O
TRP
207
A
N
VAL
227
A
N
VAL
219
A
N
TYR
228
A
N
TYR
220
A
O
PHE
181
A
O
PHE
175
A
O
LEU
33
A
O
LEU
33
A
N
PHE
41
A
N
PHE
39
A
O
SER
45
A
O
SER
43
A
N
VAL
53
A
N
VAL
51
A
O
SER
54
A
O
SER
52
A
N
MET
104
A
N
MET
101
A
O
LYS
107
A
O
LYS
104
A
N
SER
86
A
N
SER
83
A
O
ILE
83
A
O
ILE
80
A
N
VAL
65
A
N
VAL
63
A
N
ARG
66
A
N
ARG
64
A
O
SER
32
A
O
SER
32
1
A
PHE
1
A
PHE
1
1
Y
1
A
VAL
2
A
VAL
2
1
Y
1
A
LEU
3
A
LEU
3
1
Y
1
A
LEU
4
A
LEU
4
1
Y
1
A
ILE
5
A
ILE
5
1
Y
1
A
GLY
6
A
GLY
6
1
Y
1
A
ALA
7
A
ALA
7
1
Y
1
A
ALA
8
A
ALA
8
1
Y
1
A
PHE
9
A
PHE
9
1
Y
1
A
ALA
10
A
ALA
10
1
Y
1
A
THR
11
A
THR
11
1
Y
1
A
GLU
12
A
GLU
12
1
Y
1
A
ASP
13
A
ASP
13
1
Y
1
A
ASP
14
A
ASP
14
1
Y
1
A
LYS
15
A
LYS
15
1
Y
1
A
ALA
243
-33.01
1
A
ARG
62
0.265
SIDE CHAIN
1
3.72
0.50
120.30
124.02
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
62
62
62
N
1
4.21
0.50
120.30
124.51
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
66
66
66
N
1
-3.91
0.50
120.30
116.39
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
66
66
66
N
1
20.57
2.20
113.40
133.97
A
A
A
CA
CB
CG
GLU
GLU
GLU
80
80
80
N
1
-25.76
1.60
122.70
96.94
A
A
A
O
C
N
ALA
ALA
SER
243
243
244
Y
1
A
TYR
25
59.89
17.06
1
A
GLN
27
-113.93
63.36
1
A
SER
37
-140.31
56.68
1
A
HIS
71
-128.65
-63.64
1
A
ASN
115
-164.67
-161.78
0.199
0.199
1.83
8.0
14271
1
3.0
1.83
8.0
125
1811
24
0
1662
0.021
model building
X-PLOR
refinement
PROLSQ
refinement
X-PLOR
phasing
X-PLOR
TRYPSIN (ANIONIC) COMPLEXED WITH THE INHIBITOR BENZAMIDINE
THE CRYSTAL STRUCTURE OF ANIONIC SALMON TRYPSIN IN A SECOND CRYSTAL FORM
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
5
N
N
A
ALA
55
A
ALA
53
HELX_P
A
TYR
59
A
TYR
57
5
1
5
A
SER
164
A
SER
158
HELX_P
A
TYR
172
A
TYR
166
1
2
9
A
PHE
234
A
PHE
226
HELX_P
A
SER
244
A
SER
236
1
3
11
disulf
2.065
A
CYS
22
A
SG
CYS
22
1_555
A
CYS
157
A
SG
CYS
151
1_555
disulf
1.978
A
CYS
42
A
SG
CYS
40
1_555
A
CYS
58
A
SG
CYS
56
1_555
disulf
2.069
A
CYS
128
A
SG
CYS
124
1_555
A
CYS
232
A
SG
CYS
224
1_555
disulf
1.930
A
CYS
136
A
SG
CYS
131
1_555
A
CYS
201
A
SG
CYS
197
1_555
disulf
1.962
A
CYS
168
A
SG
CYS
162
1_555
A
CYS
182
A
SG
CYS
176
1_555
disulf
2.092
A
CYS
191
A
SG
CYS
187
1_555
A
CYS
220
A
SG
CYS
211
1_555
metalc
2.295
A
CA
248
B
CA
CA
1_555
A
VAL
75
A
O
VAL
72
1_555
metalc
2.449
A
CA
248
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
77
1_555
metalc
2.376
A
CA
248
B
CA
CA
1_555
A
GLU
70
A
OE1
GLU
67
1_555
metalc
2.432
A
CA
248
B
CA
CA
1_555
A
ASN
72
A
O
ASN
69
1_555
metalc
2.496
A
CA
248
B
CA
CA
1_555
A
HOH
331
F
O
HOH
1_555
metalc
2.572
A
CA
248
B
CA
CA
1_555
A
GLU
77
A
OE1
GLU
74
1_555
SERINE PROTEINASE
SERINE PROTEINASE
S31776
PIR
1
1
S31776
MISLVFVLLIGAAFATEDDKIVGGYECKAYSQAHQVSLNSGYHFCGGSLVNENWVVSAAHCYKSRVEVRLGEHNIKVTEG
SEQFISSSRVIRHPNYSSYNIDNDIMLIKLSKPATLNTYVQPVALPTSCAPAGTMCTVSGWGNTMSSTADSNKLQCLNIP
ILSYSDCNNSYPGMITNAMFCAGYLEGGKDSCQGDSGGPVVCNGELQGVVSWGYGCAEPGNPGVYAKVCIFNDWLTSTMA
SY
6
242
1BIT
1
245
S31776
A
1
1
237
7
7
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
20
A
GLU
21
A
GLU
21
A
GLN
156
A
GLN
150
A
PRO
161
A
PRO
155
A
MET
135
A
MET
130
A
GLY
140
A
GLY
135
A
PRO
198
A
PRO
194
A
CYS
201
A
CYS
197
A
GLU
204
A
GLU
200
A
TRP
215
A
TRP
207
A
GLY
226
A
GLY
218
A
LYS
230
A
LYS
222
A
MET
180
A
MET
174
A
ALA
183
A
ALA
177
A
GLN
30
A
GLN
30
A
ASN
34
A
ASN
34
A
HIS
40
A
HIS
38
A
LEU
46
A
LEU
44
A
TRP
51
A
TRP
49
A
SER
54
A
SER
52
A
MET
104
A
MET
101
A
LEU
108
A
LEU
105
A
GLN
81
A
GLN
78
A
ARG
90
A
ARG
87
A
GLU
64
A
GLU
62
A
LEU
67
A
LEU
65
A
GLN
30
A
GLN
30
A
ASN
34
A
ASN
34
BINDING SITE FOR RESIDUE CA A 248
Software
6
BINDING SITE FOR RESIDUE SO4 A 249
Software
6
BINDING SITE FOR RESIDUE BEN A 246
Software
10
BINDING SITE FOR RESIDUE BEN A 247
Software
8
A
GLU
70
A
GLU
67
6
1_555
A
ASN
72
A
ASN
69
6
1_555
A
VAL
75
A
VAL
72
6
1_555
A
GLU
77
A
GLU
74
6
1_555
A
GLU
80
A
GLU
77
6
1_555
A
HOH
331
F
HOH
6
1_555
A
HIS
57
A
HIS
55
6
1_555
A
GLN
192
A
GLN
188
6
1_555
A
GLY
193
A
GLY
189
6
1_555
A
SER
195
A
SER
191
6
1_555
A
BEN
246
D
BEN
6
1_555
A
HOH
336
F
HOH
6
1_555
A
ASP
189
A
ASP
185
10
1_555
A
SER
190
A
SER
186
10
1_555
A
CYS
191
A
CYS
187
10
1_555
A
SER
195
A
SER
191
10
1_555
A
VAL
213
A
VAL
205
10
1_555
A
TRP
215
A
TRP
207
10
1_555
A
GLY
216
A
GLY
208
10
1_555
A
GLY
219
A
GLY
210
10
1_555
A
GLY
226
A
GLY
218
10
1_555
A
SO4
249
C
SO4
10
1_555
A
THR
76
A
THR
73
8
3_654
A
PHE
82
A
PHE
79
8
3_654
A
SER
171
A
SER
165
8
1_555
A
PRO
173
A
PRO
167
8
1_555
A
MET
175
A
MET
169
8
1_555
A
GLY
223
A
GLY
215
8
1_555
A
ASN
224
A
ASN
216
8
1_555
A
HOH
358
F
HOH
8
3_654
18
P 21 21 2