0.018235
0.000000
0.000000
0.000000
0.017097
0.000000
0.000000
0.000000
0.014743
0.00000
0.00000
0.00000
Presnell, S.
Patil, G.
Mura, C.
Jude, K.
Conley, J.
Kam, C.
Bertrand, J.
Powers, J.
Williams, L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
54.840
58.490
67.830
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
C2 H6 O S
78.133
DIMETHYL SULFOXIDE
non-polymer
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C14 H13 Cl N4 O
288.732
1-(4-AMIDINOPHENYL)-3-(4-CHLOROPHENYL)UREA
non-polymer
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
US
Biochemistry
BICHAW
0033
0006-2960
37
17068
17081
10.1021/bi981636u
9836602
Oxyanion-mediated inhibition of serine proteases.
1998
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
98
693
The Refined Crystal Structure of Bovine Beta-Trypsin at 1.8 A Resolution. II. Crystallographic Refinement, Calcium Binding Site, Benzamidine Binding Site and Active Site at Ph 7.0
1975
10.2210/pdb1bju/pdb
pdb_00001bju
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
293
1
MIRRORS
AREA DETECTOR
1993-08
XUONG-HAMLIN MULTIWIRE
NI FILTER
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU
ACPU INHIBITED, ROOM TEMPERATURE 295 K
23324.287
BETA-TRYPSIN
3.4.21.4
1
nat
polymer
40.078
CALCIUM ION
1
syn
non-polymer
96.063
SULFATE ION
1
syn
non-polymer
288.732
1-(4-AMIDINOPHENYL)-3-(4-CHLOROPHENYL)UREA
1
syn
non-polymer
78.133
DIMETHYL SULFOXIDE
1
syn
non-polymer
18.015
water
97
nat
water
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
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
cattle
Bos
sample
9913
PANCREAS
Bos taurus
1
2.34
47.0
6.0
0.9 M AMMONIUM SULFATE, 0.005 M MES, 0.001 M CACL2, 0.0025 M BENZAMIDINE, PH 6.0
database_2
pdbx_database_status
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Other
Refinement description
1
0
1998-12-02
1
1
2008-03-24
1
2
2011-07-13
1
3
2023-08-02
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_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_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1998-06-29
REL
REL
CA
CALCIUM ION
SO4
SULFATE ION
GP6
1-(4-AMIDINOPHENYL)-3-(4-CHLOROPHENYL)UREA
DMS
DIMETHYL SULFOXIDE
HOH
water
THE TRYPSIN RESIDUE NUMBERING USED IN THIS ENTRY IS BASED
ON THE CHYMOTRYPSINOGEN NUMBERING SYSTEM.
3PTB
PDB
experimental model
CA
246
2
CA
CA
246
A
SO4
901
3
SO4
SO4
901
A
GP6
910
4
GP6
GP6
910
A
DMS
300
5
DMS
DMS
300
A
HOH
501
6
HOH
HOH
501
A
HOH
502
6
HOH
HOH
502
A
HOH
503
6
HOH
HOH
503
A
HOH
504
6
HOH
HOH
504
A
HOH
505
6
HOH
HOH
505
A
HOH
506
6
HOH
HOH
506
A
HOH
507
6
HOH
HOH
507
A
HOH
508
6
HOH
HOH
508
A
HOH
509
6
HOH
HOH
509
A
HOH
510
6
HOH
HOH
510
A
HOH
511
6
HOH
HOH
511
A
HOH
512
6
HOH
HOH
512
A
HOH
513
6
HOH
HOH
513
A
HOH
514
6
HOH
HOH
514
A
HOH
515
6
HOH
HOH
515
A
HOH
516
6
HOH
HOH
516
A
HOH
517
6
HOH
HOH
517
A
HOH
518
6
HOH
HOH
518
A
HOH
519
6
HOH
HOH
519
A
HOH
520
6
HOH
HOH
520
A
HOH
522
6
HOH
HOH
522
A
HOH
523
6
HOH
HOH
523
A
HOH
524
6
HOH
HOH
524
A
HOH
525
6
HOH
HOH
525
A
HOH
526
6
HOH
HOH
526
A
HOH
527
6
HOH
HOH
527
A
HOH
528
6
HOH
HOH
528
A
HOH
529
6
HOH
HOH
529
A
HOH
530
6
HOH
HOH
530
A
HOH
531
6
HOH
HOH
531
A
HOH
532
6
HOH
HOH
532
A
HOH
533
6
HOH
HOH
533
A
HOH
534
6
HOH
HOH
534
A
HOH
535
6
HOH
HOH
535
A
HOH
536
6
HOH
HOH
536
A
HOH
537
6
HOH
HOH
537
A
HOH
538
6
HOH
HOH
538
A
HOH
540
6
HOH
HOH
540
A
HOH
541
6
HOH
HOH
541
A
HOH
542
6
HOH
HOH
542
A
HOH
543
6
HOH
HOH
543
A
HOH
545
6
HOH
HOH
545
A
HOH
546
6
HOH
HOH
546
A
HOH
548
6
HOH
HOH
548
A
HOH
549
6
HOH
HOH
549
A
HOH
550
6
HOH
HOH
550
A
HOH
551
6
HOH
HOH
551
A
HOH
552
6
HOH
HOH
552
A
HOH
553
6
HOH
HOH
553
A
HOH
554
6
HOH
HOH
554
A
HOH
557
6
HOH
HOH
557
A
HOH
558
6
HOH
HOH
558
A
HOH
562
6
HOH
HOH
562
A
HOH
563
6
HOH
HOH
563
A
HOH
567
6
HOH
HOH
567
A
HOH
570
6
HOH
HOH
570
A
HOH
571
6
HOH
HOH
571
A
HOH
580
6
HOH
HOH
580
A
HOH
581
6
HOH
HOH
581
A
HOH
582
6
HOH
HOH
582
A
HOH
583
6
HOH
HOH
583
A
HOH
590
6
HOH
HOH
590
A
HOH
593
6
HOH
HOH
593
A
HOH
598
6
HOH
HOH
598
A
HOH
599
6
HOH
HOH
599
A
HOH
604
6
HOH
HOH
604
A
HOH
606
6
HOH
HOH
606
A
HOH
609
6
HOH
HOH
609
A
HOH
610
6
HOH
HOH
610
A
HOH
611
6
HOH
HOH
611
A
HOH
617
6
HOH
HOH
617
A
HOH
620
6
HOH
HOH
620
A
HOH
621
6
HOH
HOH
621
A
HOH
622
6
HOH
HOH
622
A
HOH
623
6
HOH
HOH
623
A
HOH
628
6
HOH
HOH
628
A
HOH
630
6
HOH
HOH
630
A
HOH
632
6
HOH
HOH
632
A
HOH
641
6
HOH
HOH
641
A
HOH
653
6
HOH
HOH
653
A
HOH
656
6
HOH
HOH
656
A
HOH
657
6
HOH
HOH
657
A
HOH
658
6
HOH
HOH
658
A
HOH
660
6
HOH
HOH
660
A
HOH
661
6
HOH
HOH
661
A
HOH
664
6
HOH
HOH
664
A
HOH
666
6
HOH
HOH
666
A
HOH
667
6
HOH
HOH
667
A
HOH
668
6
HOH
HOH
668
A
HOH
670
6
HOH
HOH
670
A
HOH
673
6
HOH
HOH
673
A
HOH
676
6
HOH
HOH
676
A
HOH
680
6
HOH
HOH
680
A
HOH
682
6
HOH
HOH
682
A
HOH
684
6
HOH
HOH
684
A
HOH
685
6
HOH
HOH
685
A
HOH
686
6
HOH
HOH
686
A
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
35
n
20
SER
35
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
131
n
111
SER
131
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
A
GLY
184
A
TYR
184
n
165
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
A
GLY
188
A
LYS
188
n
170
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
A
ALA
221
A
GLN
221
n
199
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
author_defined_assembly
1
monomeric
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
246
B
CA
CA
1_555
A
ASN
72
A
O
ASN
54
1_555
86.5
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
246
B
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
157.1
A
ASN
72
A
O
ASN
54
1_555
A
CA
246
B
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
83.0
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
246
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
104.1
A
ASN
72
A
O
ASN
54
1_555
A
CA
246
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
160.3
A
VAL
75
A
O
VAL
57
1_555
A
CA
246
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
92.2
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
551
F
O
HOH
1_555
79.0
A
ASN
72
A
O
ASN
54
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
551
F
O
HOH
1_555
101.5
A
VAL
75
A
O
VAL
57
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
551
F
O
HOH
1_555
83.2
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
551
F
O
HOH
1_555
96.9
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
552
F
O
HOH
1_555
87.3
A
ASN
72
A
O
ASN
54
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
552
F
O
HOH
1_555
88.1
A
VAL
75
A
O
VAL
57
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
552
F
O
HOH
1_555
112.5
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
552
F
O
HOH
1_555
76.0
A
HOH
551
F
O
HOH
1_555
A
CA
246
B
CA
CA
1_555
A
HOH
552
F
O
HOH
1_555
162.7
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
GLN
81
A
O
GLN
63
A
N
LEU
67
A
N
LEU
50
A
O
GLN
64
A
O
GLN
47
A
N
ASN
34
A
N
ASN
19
A
O
VAL
31
A
O
VAL
16
A
N
GLY
44
A
N
GLY
27
A
O
SER
45
A
O
SER
28
A
N
VAL
53
A
N
VAL
36
A
O
VAL
52
A
O
VAL
35
A
N
ILE
106
A
N
ILE
88
A
O
LEU
105
A
O
LEU
87
A
N
ILE
89
A
N
ILE
71
A
O
CYS
136
A
O
CYS
116
A
N
ALA
160
A
N
ALA
140
1
6.48
0.80
106.30
112.78
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
51
51
51
N
1
-5.37
0.80
107.30
101.93
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
51
51
51
N
1
-5.53
0.60
121.00
115.47
A
A
A
CB
CG
CD2
TYR
TYR
TYR
59
59
59
N
1
6.13
0.80
106.30
112.43
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
141
141
141
N
1
-5.62
0.80
107.30
101.68
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
141
141
141
N
1
5.85
0.80
106.30
112.15
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
215
215
215
N
1
-5.26
0.80
107.30
102.04
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
215
215
215
N
1
5.81
0.80
106.30
112.11
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
237
237
237
N
1
-5.50
0.80
107.30
101.80
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
237
237
237
N
1
A
ASP
71
-127.24
-78.32
1
A
ASN
115
-161.24
-163.79
1
A
SER
214
-123.59
-65.83
PARAM19X.PRO
TOPH19.PRO
0.171
0.171
1.8
7
28730
1
1.0
DIFFERENCE FOURIER
3PTB
1.8
7
97
1755
29
0
1629
0.012
2.64
1.80
7.0
1BJU
28730
0.11
1
5.2
7.1
97.
0.35
1.60
1.72
3.1
88
data collection
SAN
DIEGO MULTIWIRE
data reduction
SDMS
SOFTWARE
model building
X-PLOR
3.1
refinement
X-PLOR
3.1
data scaling
SDMS
phasing
X-PLOR
3.1
BETA-TRYPSIN COMPLEXED WITH ACPU
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
6
N
N
A
ALA
56
A
ALA
39
HELX_P
A
CYS
58
A
CYS
41
5
1
3
A
ASP
165
A
ASP
145
HELX_P
A
ALA
171
A
ALA
151
1
2
7
A
VAL
231
A
VAL
209
HELX_P
A
ASN
233
A
ASN
211
5
3
3
A
VAL
235
A
VAL
213
HELX_P
A
ALA
243
A
ALA
221
1
4
9
disulf
2.012
A
CYS
22
A
SG
CYS
7
1_555
A
CYS
157
A
SG
CYS
137
1_555
disulf
2.013
A
CYS
42
A
SG
CYS
25
1_555
A
CYS
58
A
SG
CYS
41
1_555
disulf
2.017
A
CYS
128
A
SG
CYS
109
1_555
A
CYS
232
A
SG
CYS
210
1_555
disulf
2.029
A
CYS
136
A
SG
CYS
116
1_555
A
CYS
201
A
SG
CYS
183
1_555
disulf
2.019
A
CYS
168
A
SG
CYS
148
1_555
A
CYS
182
A
SG
CYS
162
1_555
disulf
1.999
A
CYS
191
A
SG
CYS
173
1_555
A
CYS
220
A
SG
CYS
197
1_555
metalc
2.256
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
246
B
CA
CA
1_555
metalc
2.292
A
ASN
72
A
O
ASN
54
1_555
A
CA
246
B
CA
CA
1_555
metalc
2.237
A
VAL
75
A
O
VAL
57
1_555
A
CA
246
B
CA
CA
1_555
metalc
2.308
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
246
B
CA
CA
1_555
metalc
2.224
A
CA
246
B
CA
CA
1_555
A
HOH
551
F
O
HOH
1_555
metalc
2.178
A
CA
246
B
CA
CA
1_555
A
HOH
552
F
O
HOH
1_555
SERINE PROTEASE
HYDROLASE, SERINE PROTEASE, DIGESTION, PANCREAS, ZYMOGEN
TRY1_BOVIN
UNP
1
1
P00760
FIFLALLGAAVAFPVDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEG
NEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKA
PILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTI
ASN
21
243
1BJU
16
245
P00760
A
1
1
223
7
2
1
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
GLN
81
A
GLN
63
A
SER
84
A
SER
66
A
GLN
64
A
GLN
47
A
LEU
67
A
LEU
50
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
ALA
85
A
ALA
67
A
VAL
90
A
VAL
72
A
GLN
135
A
GLN
115
A
GLY
140
A
GLY
120
A
LYS
156
A
LYS
136
A
PRO
161
A
PRO
141
A
MET
180
A
MET
160
A
ALA
183
A
ALA
163
BINDING SITE FOR RESIDUE CA A 246
A
CA
246
Software
6
BINDING SITE FOR RESIDUE SO4 A 901
A
SO4
901
Software
5
BINDING SITE FOR RESIDUE GP6 A 910
A
GP6
910
Software
12
BINDING SITE FOR RESIDUE DMS A 300
A
DMS
300
Software
7
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
551
F
HOH
6
1_555
A
HOH
552
F
HOH
6
1_555
A
HIS
57
A
HIS
40
5
1_555
A
GLN
192
A
GLN
174
5
1_555
A
GLY
193
A
GLY
175
5
1_555
A
SER
195
A
SER
177
5
1_555
A
GP6
910
D
GP6
5
1_555
A
HIS
57
A
HIS
40
12
1_555
A
LEU
99
A
LEU
81
12
1_555
A
ASP
189
A
ASP
171
12
1_555
A
SER
190
A
SER
172
12
1_555
A
GLN
192
A
GLN
174
12
1_555
A
SER
195
A
SER
177
12
1_555
A
TRP
215
A
TRP
193
12
1_555
A
GLY
216
A
GLY
194
12
1_555
A
GLY
219
A
GLY
196
12
1_555
A
GLY
226
A
GLY
204
12
1_555
A
HOH
513
F
HOH
12
1_555
A
SO4
901
C
SO4
12
1_555
A
ARG
66
A
ARG
49
7
1_555
A
ILE
73
A
ILE
55
7
1_555
A
VAL
90
A
VAL
72
7
4_456
A
HIS
91
A
HIS
73
7
4_456
A
TYR
94
A
TYR
76
7
4_456
A
HOH
551
F
HOH
7
1_555
A
HOH
630
F
HOH
7
4_456
19
P 21 21 21