0.015815
0.000000
0.000000
0.000000
0.015718
0.000000
0.000000
0.000000
0.014380
0.00000
0.00000
0.00000
CIS PROLINE - PRO I 14
Huang, Q.
Li, Y.
Zhang, S.
Liu, S.
Tang, Y.
Qi, C.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
63.230
63.620
69.540
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
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
JA
J.Biochem.(Tokyo)
JOBIAO
0418
0021-924X
116
18
25
7798176
Studies on an artificial trypsin inhibitor peptide derived from the mung bean trypsin inhibitor: chemical synthesis, refolding, and crystallographic analysis of its complex with trypsin.
1994
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
23324.287
TRYPSIN
3.4.21.4
1
man
polymer
2412.808
BOWMAN-BIRK TYPE TRYPSIN INHIBITOR
1
man
polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
83
nat
water
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
E
polypeptide(L)
no
no
EPCCDSCRCTKSIPPECHCANI
EPCCDSCRCTKSIPPECHCANI
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
bovine
PANCREAS
sample
9913
Bos taurus
2.72
54.71
pdbx_database_status
struct_ref
struct_ref_seq
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Database references
Other
1
0
1994-07-31
1
1
2008-03-24
1
2
2011-07-13
1
3
2017-06-28
_pdbx_database_status.process_site
Y
BNL
1992-10-24
REL
REL
CA
CALCIUM ION
HOH
water
BOWMAN-BIRK INHIBITOR IS A SYNTHESIZED PEPTIDE BASED ON
MIMIC MUNG BEAN TRYPSIN INHIBITOR LYSINE FRAGMENT. THE
SEQUENCE GIVEN BELOW IS THE CORRECTED SEQUENCE OF LI, Y. L.
CHI, C. W. (SCIENCE IN CHINA, B24, 42, 1994). THE SEQUENCE
DIFFERS FROM THAT OF SWISS-PROT ENTRY IBB_PHAAU AT THE
FOLLOWING POSITIONS:
SWISS-PROT RESIDUE PDB SEQRES
NAME NUMBER NAME CHAIN SEQ
LYS 22 ILE I 13
GLN 25 GLU I 16
CA
0
3
CA
CA
0
E
HOH
1
4
HOH
HOH
246
E
HOH
2
4
HOH
HOH
247
E
HOH
3
4
HOH
HOH
248
E
HOH
4
4
HOH
HOH
249
E
HOH
5
4
HOH
HOH
250
E
HOH
6
4
HOH
HOH
251
E
HOH
7
4
HOH
HOH
252
E
HOH
8
4
HOH
HOH
253
E
HOH
10
4
HOH
HOH
254
E
HOH
11
4
HOH
HOH
255
E
HOH
12
4
HOH
HOH
256
E
HOH
13
4
HOH
HOH
257
E
HOH
14
4
HOH
HOH
258
E
HOH
15
4
HOH
HOH
259
E
HOH
16
4
HOH
HOH
260
E
HOH
17
4
HOH
HOH
261
E
HOH
18
4
HOH
HOH
262
E
HOH
19
4
HOH
HOH
263
E
HOH
20
4
HOH
HOH
264
E
HOH
21
4
HOH
HOH
265
E
HOH
22
4
HOH
HOH
266
E
HOH
23
4
HOH
HOH
267
E
HOH
24
4
HOH
HOH
268
E
HOH
25
4
HOH
HOH
269
E
HOH
26
4
HOH
HOH
270
E
HOH
27
4
HOH
HOH
271
E
HOH
28
4
HOH
HOH
272
E
HOH
29
4
HOH
HOH
273
E
HOH
30
4
HOH
HOH
274
E
HOH
31
4
HOH
HOH
275
E
HOH
32
4
HOH
HOH
276
E
HOH
33
4
HOH
HOH
277
E
HOH
34
4
HOH
HOH
278
E
HOH
35
4
HOH
HOH
279
E
HOH
36
4
HOH
HOH
280
E
HOH
37
4
HOH
HOH
281
E
HOH
38
4
HOH
HOH
282
E
HOH
39
4
HOH
HOH
283
E
HOH
40
4
HOH
HOH
284
E
HOH
42
4
HOH
HOH
285
E
HOH
43
4
HOH
HOH
286
E
HOH
44
4
HOH
HOH
287
E
HOH
45
4
HOH
HOH
288
E
HOH
46
4
HOH
HOH
289
E
HOH
47
4
HOH
HOH
290
E
HOH
48
4
HOH
HOH
291
E
HOH
49
4
HOH
HOH
292
E
HOH
50
4
HOH
HOH
293
E
HOH
51
4
HOH
HOH
294
E
HOH
52
4
HOH
HOH
295
E
HOH
53
4
HOH
HOH
296
E
HOH
54
4
HOH
HOH
297
E
HOH
55
4
HOH
HOH
298
E
HOH
56
4
HOH
HOH
299
E
HOH
57
4
HOH
HOH
300
E
HOH
58
4
HOH
HOH
301
E
HOH
59
4
HOH
HOH
302
E
HOH
60
4
HOH
HOH
303
E
HOH
61
4
HOH
HOH
304
E
HOH
62
4
HOH
HOH
305
E
HOH
63
4
HOH
HOH
306
E
HOH
64
4
HOH
HOH
307
E
HOH
65
4
HOH
HOH
308
E
HOH
66
4
HOH
HOH
309
E
HOH
67
4
HOH
HOH
310
E
HOH
68
4
HOH
HOH
311
E
HOH
72
4
HOH
HOH
312
E
HOH
73
4
HOH
HOH
313
E
HOH
74
4
HOH
HOH
314
E
HOH
75
4
HOH
HOH
315
E
HOH
77
4
HOH
HOH
316
E
HOH
78
4
HOH
HOH
317
E
HOH
79
4
HOH
HOH
318
E
HOH
80
4
HOH
HOH
319
E
HOH
81
4
HOH
HOH
320
E
HOH
82
4
HOH
HOH
321
E
HOH
83
4
HOH
HOH
322
E
HOH
84
4
HOH
HOH
323
E
HOH
85
4
HOH
HOH
324
E
HOH
86
4
HOH
HOH
325
E
HOH
87
4
HOH
HOH
326
E
HOH
9
4
HOH
HOH
23
I
HOH
70
4
HOH
HOH
24
I
ILE
16
n
1
ILE
16
E
VAL
17
n
2
VAL
17
E
GLY
18
n
3
GLY
18
E
GLY
19
n
4
GLY
19
E
TYR
20
n
5
TYR
20
E
THR
21
n
6
THR
21
E
CYS
22
n
7
CYS
22
E
GLY
23
n
8
GLY
23
E
ALA
24
n
9
ALA
24
E
ASN
25
n
10
ASN
25
E
THR
26
n
11
THR
26
E
VAL
27
n
12
VAL
27
E
PRO
28
n
13
PRO
28
E
TYR
29
n
14
TYR
29
E
GLN
30
n
15
GLN
30
E
VAL
31
n
16
VAL
31
E
SER
32
n
17
SER
32
E
LEU
33
n
18
LEU
33
E
ASN
34
n
19
ASN
34
E
SER
37
n
20
SER
37
E
GLY
38
n
21
GLY
38
E
TYR
39
n
22
TYR
39
E
HIS
40
n
23
HIS
40
E
PHE
41
n
24
PHE
41
E
CYS
42
n
25
CYS
42
E
GLY
43
n
26
GLY
43
E
GLY
44
n
27
GLY
44
E
SER
45
n
28
SER
45
E
LEU
46
n
29
LEU
46
E
ILE
47
n
30
ILE
47
E
ASN
48
n
31
ASN
48
E
SER
49
n
32
SER
49
E
GLN
50
n
33
GLN
50
E
TRP
51
n
34
TRP
51
E
VAL
52
n
35
VAL
52
E
VAL
53
n
36
VAL
53
E
SER
54
n
37
SER
54
E
ALA
55
n
38
ALA
55
E
ALA
56
n
39
ALA
56
E
HIS
57
n
40
HIS
57
E
CYS
58
n
41
CYS
58
E
TYR
59
n
42
TYR
59
E
LYS
60
n
43
LYS
60
E
SER
61
n
44
SER
61
E
GLY
62
n
45
GLY
62
E
ILE
63
n
46
ILE
63
E
GLN
64
n
47
GLN
64
E
VAL
65
n
48
VAL
65
E
ARG
66
n
49
ARG
66
E
LEU
67
n
50
LEU
67
E
GLY
69
n
51
GLY
69
E
GLU
70
n
52
GLU
70
E
ASP
71
n
53
ASP
71
E
ASN
72
n
54
ASN
72
E
ILE
73
n
55
ILE
73
E
ASN
74
n
56
ASN
74
E
VAL
75
n
57
VAL
75
E
VAL
76
n
58
VAL
76
E
GLU
77
n
59
GLU
77
E
GLY
78
n
60
GLY
78
E
ASN
79
n
61
ASN
79
E
GLU
80
n
62
GLU
80
E
GLN
81
n
63
GLN
81
E
PHE
82
n
64
PHE
82
E
ILE
83
n
65
ILE
83
E
SER
84
n
66
SER
84
E
ALA
85
n
67
ALA
85
E
SER
86
n
68
SER
86
E
LYS
87
n
69
LYS
87
E
SER
88
n
70
SER
88
E
ILE
89
n
71
ILE
89
E
VAL
90
n
72
VAL
90
E
HIS
91
n
73
HIS
91
E
PRO
92
n
74
PRO
92
E
SER
93
n
75
SER
93
E
TYR
94
n
76
TYR
94
E
ASN
95
n
77
ASN
95
E
SER
96
n
78
SER
96
E
ASN
97
n
79
ASN
97
E
THR
98
n
80
THR
98
E
LEU
99
n
81
LEU
99
E
ASN
100
n
82
ASN
100
E
ASN
101
n
83
ASN
101
E
ASP
102
n
84
ASP
102
E
ILE
103
n
85
ILE
103
E
MET
104
n
86
MET
104
E
LEU
105
n
87
LEU
105
E
ILE
106
n
88
ILE
106
E
LYS
107
n
89
LYS
107
E
LEU
108
n
90
LEU
108
E
LYS
109
n
91
LYS
109
E
SER
110
n
92
SER
110
E
ALA
111
n
93
ALA
111
E
ALA
112
n
94
ALA
112
E
SER
113
n
95
SER
113
E
LEU
114
n
96
LEU
114
E
ASN
115
n
97
ASN
115
E
SER
116
n
98
SER
116
E
ARG
117
n
99
ARG
117
E
VAL
118
n
100
VAL
118
E
ALA
119
n
101
ALA
119
E
SER
120
n
102
SER
120
E
ILE
121
n
103
ILE
121
E
SER
122
n
104
SER
122
E
LEU
123
n
105
LEU
123
E
PRO
124
n
106
PRO
124
E
THR
125
n
107
THR
125
E
SER
127
n
108
SER
127
E
CYS
128
n
109
CYS
128
E
ALA
129
n
110
ALA
129
E
SER
130
n
111
SER
130
E
ALA
132
n
112
ALA
132
E
GLY
133
n
113
GLY
133
E
THR
134
n
114
THR
134
E
GLN
135
n
115
GLN
135
E
CYS
136
n
116
CYS
136
E
LEU
137
n
117
LEU
137
E
ILE
138
n
118
ILE
138
E
SER
139
n
119
SER
139
E
GLY
140
n
120
GLY
140
E
TRP
141
n
121
TRP
141
E
GLY
142
n
122
GLY
142
E
ASN
143
n
123
ASN
143
E
THR
144
n
124
THR
144
E
LYS
145
n
125
LYS
145
E
SER
146
n
126
SER
146
E
SER
147
n
127
SER
147
E
GLY
148
n
128
GLY
148
E
THR
149
n
129
THR
149
E
SER
150
n
130
SER
150
E
TYR
151
n
131
TYR
151
E
PRO
152
n
132
PRO
152
E
ASP
153
n
133
ASP
153
E
VAL
154
n
134
VAL
154
E
LEU
155
n
135
LEU
155
E
LYS
156
n
136
LYS
156
E
CYS
157
n
137
CYS
157
E
LEU
158
n
138
LEU
158
E
LYS
159
n
139
LYS
159
E
ALA
160
n
140
ALA
160
E
PRO
161
n
141
PRO
161
E
ILE
162
n
142
ILE
162
E
LEU
163
n
143
LEU
163
E
SER
164
n
144
SER
164
E
ASP
165
n
145
ASP
165
E
SER
166
n
146
SER
166
E
SER
167
n
147
SER
167
E
CYS
168
n
148
CYS
168
E
LYS
169
n
149
LYS
169
E
SER
170
n
150
SER
170
E
ALA
171
n
151
ALA
171
E
TYR
172
n
152
TYR
172
E
PRO
173
n
153
PRO
173
E
GLY
174
n
154
GLY
174
E
GLN
175
n
155
GLN
175
E
ILE
176
n
156
ILE
176
E
THR
177
n
157
THR
177
E
SER
178
n
158
SER
178
E
ASN
179
n
159
ASN
179
E
MET
180
n
160
MET
180
E
PHE
181
n
161
PHE
181
E
CYS
182
n
162
CYS
182
E
ALA
183
n
163
ALA
183
E
GLY
184
n
164
A
GLY
184
E
TYR
184
n
165
TYR
184
E
LEU
185
n
166
LEU
185
E
GLU
186
n
167
GLU
186
E
GLY
187
n
168
GLY
187
E
GLY
188
n
169
A
GLY
188
E
LYS
188
n
170
LYS
188
E
ASP
189
n
171
ASP
189
E
SER
190
n
172
SER
190
E
CYS
191
n
173
CYS
191
E
GLN
192
n
174
GLN
192
E
GLY
193
n
175
GLY
193
E
ASP
194
n
176
ASP
194
E
SER
195
n
177
SER
195
E
GLY
196
n
178
GLY
196
E
GLY
197
n
179
GLY
197
E
PRO
198
n
180
PRO
198
E
VAL
199
n
181
VAL
199
E
VAL
200
n
182
VAL
200
E
CYS
201
n
183
CYS
201
E
SER
202
n
184
SER
202
E
GLY
203
n
185
GLY
203
E
LYS
204
n
186
LYS
204
E
LEU
209
n
187
LEU
209
E
GLN
210
n
188
GLN
210
E
GLY
211
n
189
GLY
211
E
ILE
212
n
190
ILE
212
E
VAL
213
n
191
VAL
213
E
SER
214
n
192
SER
214
E
TRP
215
n
193
TRP
215
E
GLY
216
n
194
GLY
216
E
SER
217
n
195
SER
217
E
GLY
219
n
196
GLY
219
E
CYS
220
n
197
CYS
220
E
ALA
221
n
198
A
ALA
221
E
GLN
221
n
199
GLN
221
E
LYS
222
n
200
LYS
222
E
ASN
223
n
201
ASN
223
E
LYS
224
n
202
LYS
224
E
PRO
225
n
203
PRO
225
E
GLY
226
n
204
GLY
226
E
VAL
227
n
205
VAL
227
E
TYR
228
n
206
TYR
228
E
THR
229
n
207
THR
229
E
LYS
230
n
208
LYS
230
E
VAL
231
n
209
VAL
231
E
CYS
232
n
210
CYS
232
E
ASN
233
n
211
ASN
233
E
TYR
234
n
212
TYR
234
E
VAL
235
n
213
VAL
235
E
SER
236
n
214
SER
236
E
TRP
237
n
215
TRP
237
E
ILE
238
n
216
ILE
238
E
LYS
239
n
217
LYS
239
E
GLN
240
n
218
GLN
240
E
THR
241
n
219
THR
241
E
ILE
242
n
220
ILE
242
E
ALA
243
n
221
ALA
243
E
SER
244
n
222
SER
244
E
ASN
245
n
223
ASN
245
E
n
1
1
I
n
2
2
I
n
3
3
I
n
4
4
I
n
5
5
I
n
6
6
I
n
7
7
I
n
8
8
I
CYS
9
n
9
CYS
9
I
THR
10
n
10
THR
10
I
LYS
11
n
11
LYS
11
I
SER
12
n
12
SER
12
I
ILE
13
n
13
ILE
13
I
PRO
14
n
14
PRO
14
I
PRO
15
n
15
PRO
15
I
GLU
16
n
16
GLU
16
I
CYS
17
n
17
CYS
17
I
n
18
18
I
n
19
19
I
n
20
20
I
n
21
21
I
n
22
22
I
author_and_software_defined_assembly
PISA
2
dimeric
1090
-17
9210
E
GLU
70
A
OE1
GLU
52
1_555
E
CA
0
C
CA
CA
1_555
E
ASN
72
A
O
ASN
54
1_555
82.5
E
GLU
70
A
OE1
GLU
52
1_555
E
CA
0
C
CA
CA
1_555
E
VAL
75
A
O
VAL
57
1_555
154.1
E
ASN
72
A
O
ASN
54
1_555
E
CA
0
C
CA
CA
1_555
E
VAL
75
A
O
VAL
57
1_555
81.8
E
GLU
70
A
OE1
GLU
52
1_555
E
CA
0
C
CA
CA
1_555
E
GLU
80
A
OE2
GLU
62
1_555
107.9
E
ASN
72
A
O
ASN
54
1_555
E
CA
0
C
CA
CA
1_555
E
GLU
80
A
OE2
GLU
62
1_555
157.6
E
VAL
75
A
O
VAL
57
1_555
E
CA
0
C
CA
CA
1_555
E
GLU
80
A
OE2
GLU
62
1_555
94.3
E
GLU
70
A
OE1
GLU
52
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
251
D
O
HOH
1_555
75.0
E
ASN
72
A
O
ASN
54
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
251
D
O
HOH
1_555
92.8
E
VAL
75
A
O
VAL
57
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
251
D
O
HOH
1_555
85.3
E
GLU
80
A
OE2
GLU
62
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
251
D
O
HOH
1_555
108.9
E
GLU
70
A
OE1
GLU
52
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
277
D
O
HOH
1_555
81.8
E
ASN
72
A
O
ASN
54
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
277
D
O
HOH
1_555
77.7
E
VAL
75
A
O
VAL
57
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
277
D
O
HOH
1_555
114.5
E
GLU
80
A
OE2
GLU
62
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
277
D
O
HOH
1_555
84.1
E
HOH
251
D
O
HOH
1_555
E
CA
0
C
CA
CA
1_555
E
HOH
277
D
O
HOH
1_555
155.9
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
E
O
TYR
20
A
O
TYR
5
E
N
CYS
157
A
N
CYS
137
E
O
ALA
160
A
O
ALA
140
E
N
CYS
136
A
N
CYS
116
E
N
SER
139
A
N
SER
119
E
O
PRO
198
A
O
PRO
180
E
N
CYS
201
A
N
CYS
183
E
O
LYS
204
A
O
LYS
186
E
O
TRP
215
A
O
TRP
193
E
N
VAL
227
A
N
VAL
205
E
N
TYR
228
A
N
TYR
206
E
O
PHE
181
A
O
PHE
161
E
O
LEU
33
A
O
LEU
18
E
N
PHE
41
A
N
PHE
24
E
N
ILE
47
A
N
ILE
30
E
O
TRP
51
A
O
TRP
34
E
N
SER
54
A
N
SER
37
E
O
MET
104
A
O
MET
86
E
O
LYS
107
A
O
LYS
89
E
N
SER
86
A
N
SER
68
E
O
ILE
83
A
O
ILE
65
E
N
VAL
65
A
N
VAL
48
E
N
ARG
66
A
N
ARG
49
E
O
SER
32
A
O
SER
17
1
I
GLU
1
B
GLU
1
1
Y
1
I
PRO
2
B
PRO
2
1
Y
1
I
CYS
3
B
CYS
3
1
Y
1
I
CYS
4
B
CYS
4
1
Y
1
I
ASP
5
B
ASP
5
1
Y
1
I
SER
6
B
SER
6
1
Y
1
I
CYS
7
B
CYS
7
1
Y
1
I
ARG
8
B
ARG
8
1
Y
1
I
HIS
18
B
HIS
18
1
Y
1
I
CYS
19
B
CYS
19
1
Y
1
I
ALA
20
B
ALA
20
1
Y
1
I
ASN
21
B
ASN
21
1
Y
1
I
ILE
22
B
ILE
22
1
Y
1
E
E
HD22
H
ASN
GLN
48
50
1.31
1
I
E
HZ3
H2
LYS
HOH
11
248
1.33
1
E
E
HD21
HD22
ASN
ASN
100
179
1.34
1
E
ARG
66
0.255
SIDE CHAIN
1
E
ARG
117
0.177
SIDE CHAIN
1
13.83
2.20
113.40
127.23
E
E
E
CA
CB
CG
ASN
ASN
ASN
25
25
25
N
1
-19.98
2.60
111.60
91.62
E
E
E
CB
CG
CD
LYS
LYS
LYS
60
60
60
N
1
-8.02
1.10
119.40
111.38
E
E
E
NH1
CZ
NH2
ARG
ARG
ARG
66
66
66
N
1
3.46
0.50
120.30
123.76
E
E
E
NE
CZ
NH1
ARG
ARG
ARG
66
66
66
N
1
-4.79
0.50
120.30
115.51
E
E
E
NE
CZ
NH2
ARG
ARG
ARG
66
66
66
N
1
16.31
2.30
115.30
131.61
E
E
E
CA
CB
CG
LEU
LEU
LEU
67
67
67
N
1
39.75
2.10
120.10
159.85
I
I
I
CA
C
O
CYS
CYS
CYS
17
17
17
N
1
E
ASP
71
-129.69
-66.90
1
E
ASN
115
-168.37
-136.31
1
E
SER
214
-128.72
-69.73
0.19
0.19
2.1
1
2.1
83
1778
1
0
1694
0.014
2.71
15.1
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
TRYPSIN (E.C.3.4.21.4) COMPLEXED WITH BOWMAN-BIRK INHIBITOR
Studies on an artificial trypsin inhibitor peptide derived from the mung bean inhibitor
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
E
SER
164
A
SER
144
HELX_P
E
PRO
173
A
PRO
153
1
H1
10
E
TYR
234
A
TYR
212
HELX_P
E
ASN
245
A
ASN
223
1
H2
12
disulf
2.014
E
CYS
22
A
SG
CYS
7
1_555
E
CYS
157
A
SG
CYS
137
1_555
disulf
2.029
E
CYS
42
A
SG
CYS
25
1_555
E
CYS
58
A
SG
CYS
41
1_555
disulf
2.033
E
CYS
128
A
SG
CYS
109
1_555
E
CYS
232
A
SG
CYS
210
1_555
disulf
2.034
E
CYS
136
A
SG
CYS
116
1_555
E
CYS
201
A
SG
CYS
183
1_555
disulf
2.040
E
CYS
168
A
SG
CYS
148
1_555
E
CYS
182
A
SG
CYS
162
1_555
disulf
2.034
E
CYS
191
A
SG
CYS
173
1_555
E
CYS
220
A
SG
CYS
197
1_555
disulf
2.033
I
CYS
9
B
SG
CYS
9
1_555
I
CYS
17
B
SG
CYS
17
1_555
metalc
2.490
E
CA
0
C
CA
CA
1_555
E
GLU
70
A
OE1
GLU
52
1_555
metalc
2.388
E
CA
0
C
CA
CA
1_555
E
ASN
72
A
O
ASN
54
1_555
metalc
2.195
E
CA
0
C
CA
CA
1_555
E
VAL
75
A
O
VAL
57
1_555
metalc
2.465
E
CA
0
C
CA
CA
1_555
E
GLU
80
A
OE2
GLU
62
1_555
metalc
2.374
E
CA
0
C
CA
CA
1_555
E
HOH
251
D
O
HOH
1_555
metalc
2.390
E
CA
0
C
CA
CA
1_555
E
HOH
277
D
O
HOH
1_555
HYDROLASE/HYDROLASE INHIBITOR
PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR complex
I
ILE
13
B
ILE
13
1
I
PRO
14
B
PRO
14
-5.29
TRY1_BOVIN
UNP
1
1
P00760
FIFLALLGAAVAFPVDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEG
NEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKA
PILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTI
ASN
IBB_VIGRR
UNP
2
10
P01062
EPCCDSCDCTKSIPPECHCANI
21
243
1SMF
16
245
P00760
E
1
1
223
10
31
1SMF
1
22
P01062
I
2
1
22
2
ASP
CONFLICT
ARG
8
1SMF
I
P01062
UNP
17
8
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
E
TYR
20
A
TYR
5
E
THR
21
A
THR
6
E
LYS
156
A
LYS
136
E
PRO
161
A
PRO
141
E
GLN
135
A
GLN
115
E
GLY
140
A
GLY
120
E
PRO
198
A
PRO
180
E
CYS
201
A
CYS
183
E
LYS
204
A
LYS
186
E
TRP
215
A
TRP
193
E
GLY
226
A
GLY
204
E
LYS
230
A
LYS
208
E
MET
180
A
MET
160
E
ALA
183
A
ALA
163
E
GLN
30
A
GLN
15
E
ASN
34
A
ASN
19
E
HIS
40
A
HIS
23
E
ASN
48
A
ASN
31
E
TRP
51
A
TRP
34
E
SER
54
A
SER
37
E
MET
104
A
MET
86
E
LEU
108
A
LEU
90
E
GLN
81
A
GLN
63
E
VAL
90
A
VAL
72
E
GLN
64
A
GLN
47
E
LEU
67
A
LEU
50
E
GLN
30
A
GLN
15
E
ASN
34
A
ASN
19
BINDING SITE FOR RESIDUE CA E 0
Software
6
BINDING SITE FOR CHAIN I OF BOWMAN-BIRK TYPE TRYPSIN INHIBITOR
Software
18
E
GLU
70
A
GLU
52
6
1_555
E
ASN
72
A
ASN
54
6
1_555
E
VAL
75
A
VAL
57
6
1_555
E
GLU
80
A
GLU
62
6
1_555
E
HOH
251
D
HOH
6
1_555
E
HOH
277
D
HOH
6
1_555
E
HIS
40
A
HIS
23
18
1_555
E
PHE
41
A
PHE
24
18
1_555
E
HIS
57
A
HIS
40
18
1_555
E
TYR
151
A
TYR
131
18
1_555
E
ASP
189
A
ASP
171
18
1_555
E
SER
190
A
SER
172
18
1_555
E
CYS
191
A
CYS
173
18
1_555
E
GLN
192
A
GLN
174
18
1_555
E
GLY
193
A
GLY
175
18
1_555
E
ASP
194
A
ASP
176
18
1_555
E
SER
195
A
SER
177
18
1_555
E
SER
214
A
SER
192
18
1_555
E
TRP
215
A
TRP
193
18
1_555
E
GLY
216
A
GLY
194
18
1_555
E
HOH
248
D
HOH
18
1_555
E
HOH
296
D
HOH
18
1_555
I
HOH
23
E
HOH
18
1_555
I
HOH
24
E
HOH
18
1_555
19
P 21 21 21