0.009665
0.005580
0.000000
0.000000
0.011160
0.000000
0.000000
0.000000
0.021222
0.00000
0.00000
0.00000
Ding, J.-H.
James, M.N.G.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
6
90.00
90.00
120.00
103.470
103.470
47.120
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
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
To be Published
0353
Crystal Structure of Lys18 Variant of Turkey Ovomucoid Inhibitor Third Domain Complexed with Alpha-Chymotrypsin at 2.3 A
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
195
397
Crystal and Molecular Structures of the Complex of Alpha-Chymotrypsin with its Inhibitor Turkey Ovomucoid Third Domain at 1.8 A Resolution
1987
10.2210/pdb1hja/pdb
pdb_00001hja
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
AREA DETECTOR
1996-11-04
SIEMENS
GRAPHITE(002)
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
OTHER
1253.511
ALPHA-CHYMOTRYPSIN
3.4.21.1
1
nat
polymer
13934.556
ALPHA-CHYMOTRYPSIN
3.4.21.1
1
man
polymer
10074.495
ALPHA-CHYMOTRYPSIN
3.4.21.1
1
man
polymer
TURKEY OVOMUCOID INHIBITOR
5601.311
OVOMUCOID INHIBITOR
THIRD DOMAIN, DELETION OF FIRST 5 RESIDUES FROM N-TERMINUS
DEL(1-5), L18K
1
man
polymer
18.015
water
99
nat
water
LYS18-OMTKY3
no
no
CGVPAIQPVLSGL
CGVPAIQPVLSGL
A
polypeptide(L)
no
no
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
B
polypeptide(L)
no
no
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
C
polypeptide(L)
no
no
VDCSEYPKPACTKEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC
VDCSEYPKPACTKEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC
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
n
n
n
n
n
n
n
n
n
n
n
cattle
Bos
Escherichia
sample
COMMERCIAL PRODUCT OF WORTHINGTON BIOCHEMICAL CORPORATION
9913
Bos taurus
562
Escherichia coli
PEZZ318.TKY
cattle
Bos
Escherichia
sample
COMMERCIAL PRODUCT OF WORTHINGTON BIOCHEMICAL CORPORATION
9913
Bos taurus
562
Escherichia coli
PEZZ318.TKY
turkey
Meleagris
Escherichia
sample
9103
Meleagris gallopavo
562
Escherichia coli
PEZZ318.TKY
cattle
COMMERCIAL PRODUCT OF WORTHINGTON BIOCHEMICAL CORPORATION
Bos
sample
9913
Bos taurus
1
2.48
47.84
ALPHA-CHYMOTRYPSIN (E.C.3.4.21.1) COMPLEX WITH TURKEY OVOMUCOID THIRD DOMAIN
6.0
0.1 M KH2PO4/K2HPO4 PH=6.0 10% PEG6000
diffrn_source
pdbx_database_status
database_2
pdbx_initial_refinement_model
struct_ref_seq_dif
repository
Initial release
Version format compliance
Version format compliance
Database references
Data collection
Other
Database references
Refinement description
1
0
1998-01-14
1
1
2008-03-24
1
2
2011-07-13
1
3
2016-06-01
1
4
2018-04-04
1
5
2023-08-09
_diffrn_source.type
_pdbx_database_status.process_site
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
Y
BNL
1997-07-09
REL
REL
HOH
water
1CHO
PDB ENTRY 1CHO
PDB
experimental model
HOH
11
5
HOH
HOH
14
A
HOH
23
5
HOH
HOH
15
A
HOH
45
5
HOH
HOH
16
A
HOH
50
5
HOH
HOH
17
A
HOH
59
5
HOH
HOH
18
A
HOH
76
5
HOH
HOH
19
A
HOH
84
5
HOH
HOH
20
A
HOH
90
5
HOH
HOH
21
A
HOH
94
5
HOH
HOH
22
A
HOH
95
5
HOH
HOH
23
A
HOH
1
5
HOH
HOH
147
B
HOH
2
5
HOH
HOH
148
B
HOH
6
5
HOH
HOH
149
B
HOH
9
5
HOH
HOH
150
B
HOH
10
5
HOH
HOH
151
B
HOH
14
5
HOH
HOH
152
B
HOH
15
5
HOH
HOH
153
B
HOH
16
5
HOH
HOH
154
B
HOH
17
5
HOH
HOH
155
B
HOH
19
5
HOH
HOH
156
B
HOH
20
5
HOH
HOH
157
B
HOH
21
5
HOH
HOH
158
B
HOH
22
5
HOH
HOH
159
B
HOH
26
5
HOH
HOH
160
B
HOH
29
5
HOH
HOH
161
B
HOH
32
5
HOH
HOH
162
B
HOH
33
5
HOH
HOH
163
B
HOH
35
5
HOH
HOH
164
B
HOH
36
5
HOH
HOH
165
B
HOH
38
5
HOH
HOH
166
B
HOH
39
5
HOH
HOH
167
B
HOH
40
5
HOH
HOH
168
B
HOH
41
5
HOH
HOH
169
B
HOH
43
5
HOH
HOH
170
B
HOH
48
5
HOH
HOH
171
B
HOH
49
5
HOH
HOH
172
B
HOH
51
5
HOH
HOH
173
B
HOH
53
5
HOH
HOH
174
B
HOH
55
5
HOH
HOH
175
B
HOH
57
5
HOH
HOH
176
B
HOH
58
5
HOH
HOH
177
B
HOH
62
5
HOH
HOH
178
B
HOH
63
5
HOH
HOH
179
B
HOH
65
5
HOH
HOH
180
B
HOH
68
5
HOH
HOH
181
B
HOH
69
5
HOH
HOH
182
B
HOH
70
5
HOH
HOH
183
B
HOH
72
5
HOH
HOH
184
B
HOH
73
5
HOH
HOH
185
B
HOH
74
5
HOH
HOH
186
B
HOH
79
5
HOH
HOH
187
B
HOH
81
5
HOH
HOH
188
B
HOH
87
5
HOH
HOH
189
B
HOH
98
5
HOH
HOH
190
B
HOH
3
5
HOH
HOH
3
C
HOH
4
5
HOH
HOH
4
C
HOH
5
5
HOH
HOH
5
C
HOH
8
5
HOH
HOH
8
C
HOH
13
5
HOH
HOH
13
C
HOH
24
5
HOH
HOH
24
C
HOH
28
5
HOH
HOH
28
C
HOH
30
5
HOH
HOH
30
C
HOH
31
5
HOH
HOH
31
C
HOH
34
5
HOH
HOH
34
C
HOH
42
5
HOH
HOH
42
C
HOH
46
5
HOH
HOH
46
C
HOH
47
5
HOH
HOH
47
C
HOH
52
5
HOH
HOH
52
C
HOH
54
5
HOH
HOH
54
C
HOH
67
5
HOH
HOH
67
C
HOH
78
5
HOH
HOH
78
C
HOH
80
5
HOH
HOH
80
C
HOH
83
5
HOH
HOH
83
C
HOH
86
5
HOH
HOH
86
C
HOH
89
5
HOH
HOH
89
C
HOH
92
5
HOH
HOH
92
C
HOH
97
5
HOH
HOH
97
C
HOH
99
5
HOH
HOH
99
C
HOH
7
5
HOH
HOH
57
I
HOH
12
5
HOH
HOH
58
I
HOH
18
5
HOH
HOH
59
I
HOH
25
5
HOH
HOH
60
I
HOH
27
5
HOH
HOH
61
I
HOH
37
5
HOH
HOH
62
I
HOH
44
5
HOH
HOH
63
I
HOH
56
5
HOH
HOH
64
I
HOH
60
5
HOH
HOH
65
I
HOH
61
5
HOH
HOH
66
I
HOH
64
5
HOH
HOH
67
I
HOH
66
5
HOH
HOH
68
I
HOH
71
5
HOH
HOH
69
I
HOH
75
5
HOH
HOH
70
I
HOH
77
5
HOH
HOH
71
I
HOH
82
5
HOH
HOH
72
I
HOH
85
5
HOH
HOH
73
I
HOH
88
5
HOH
HOH
74
I
HOH
91
5
HOH
HOH
75
I
HOH
93
5
HOH
HOH
76
I
HOH
96
5
HOH
HOH
77
I
CYS
1
n
1
CYS
1
A
GLY
2
n
2
GLY
2
A
VAL
3
n
3
VAL
3
A
PRO
4
n
4
PRO
4
A
ALA
5
n
5
ALA
5
A
ILE
6
n
6
ILE
6
A
GLN
7
n
7
GLN
7
A
PRO
8
n
8
PRO
8
A
VAL
9
n
9
VAL
9
A
LEU
10
n
10
LEU
10
A
n
11
11
A
n
12
12
A
n
13
13
A
ILE
16
n
1
ILE
16
B
VAL
17
n
2
VAL
17
B
ASN
18
n
3
ASN
18
B
GLY
19
n
4
GLY
19
B
GLU
20
n
5
GLU
20
B
GLU
21
n
6
GLU
21
B
ALA
22
n
7
ALA
22
B
VAL
23
n
8
VAL
23
B
PRO
24
n
9
PRO
24
B
GLY
25
n
10
GLY
25
B
SER
26
n
11
SER
26
B
TRP
27
n
12
TRP
27
B
PRO
28
n
13
PRO
28
B
TRP
29
n
14
TRP
29
B
GLN
30
n
15
GLN
30
B
VAL
31
n
16
VAL
31
B
SER
32
n
17
SER
32
B
LEU
33
n
18
LEU
33
B
GLN
34
n
19
GLN
34
B
ASP
35
n
20
ASP
35
B
LYS
36
n
21
LYS
36
B
THR
37
n
22
THR
37
B
GLY
38
n
23
GLY
38
B
PHE
39
n
24
PHE
39
B
HIS
40
n
25
HIS
40
B
PHE
41
n
26
PHE
41
B
CYS
42
n
27
CYS
42
B
GLY
43
n
28
GLY
43
B
GLY
44
n
29
GLY
44
B
SER
45
n
30
SER
45
B
LEU
46
n
31
LEU
46
B
ILE
47
n
32
ILE
47
B
ASN
48
n
33
ASN
48
B
GLU
49
n
34
GLU
49
B
ASN
50
n
35
ASN
50
B
TRP
51
n
36
TRP
51
B
VAL
52
n
37
VAL
52
B
VAL
53
n
38
VAL
53
B
THR
54
n
39
THR
54
B
ALA
55
n
40
ALA
55
B
ALA
56
n
41
ALA
56
B
HIS
57
n
42
HIS
57
B
CYS
58
n
43
CYS
58
B
GLY
59
n
44
GLY
59
B
VAL
60
n
45
VAL
60
B
THR
61
n
46
THR
61
B
THR
62
n
47
THR
62
B
SER
63
n
48
SER
63
B
ASP
64
n
49
ASP
64
B
VAL
65
n
50
VAL
65
B
VAL
66
n
51
VAL
66
B
VAL
67
n
52
VAL
67
B
ALA
68
n
53
ALA
68
B
GLY
69
n
54
GLY
69
B
GLU
70
n
55
GLU
70
B
PHE
71
n
56
PHE
71
B
ASP
72
n
57
ASP
72
B
GLN
73
n
58
GLN
73
B
GLY
74
n
59
GLY
74
B
SER
75
n
60
SER
75
B
SER
76
n
61
SER
76
B
SER
77
n
62
SER
77
B
GLU
78
n
63
GLU
78
B
LYS
79
n
64
LYS
79
B
ILE
80
n
65
ILE
80
B
GLN
81
n
66
GLN
81
B
LYS
82
n
67
LYS
82
B
LEU
83
n
68
LEU
83
B
LYS
84
n
69
LYS
84
B
ILE
85
n
70
ILE
85
B
ALA
86
n
71
ALA
86
B
LYS
87
n
72
LYS
87
B
VAL
88
n
73
VAL
88
B
PHE
89
n
74
PHE
89
B
LYS
90
n
75
LYS
90
B
ASN
91
n
76
ASN
91
B
SER
92
n
77
SER
92
B
LYS
93
n
78
LYS
93
B
TYR
94
n
79
TYR
94
B
ASN
95
n
80
ASN
95
B
SER
96
n
81
SER
96
B
LEU
97
n
82
LEU
97
B
THR
98
n
83
THR
98
B
ILE
99
n
84
ILE
99
B
ASN
100
n
85
ASN
100
B
ASN
101
n
86
ASN
101
B
ASP
102
n
87
ASP
102
B
ILE
103
n
88
ILE
103
B
THR
104
n
89
THR
104
B
LEU
105
n
90
LEU
105
B
LEU
106
n
91
LEU
106
B
LYS
107
n
92
LYS
107
B
LEU
108
n
93
LEU
108
B
SER
109
n
94
SER
109
B
THR
110
n
95
THR
110
B
ALA
111
n
96
ALA
111
B
ALA
112
n
97
ALA
112
B
SER
113
n
98
SER
113
B
PHE
114
n
99
PHE
114
B
SER
115
n
100
SER
115
B
GLN
116
n
101
GLN
116
B
THR
117
n
102
THR
117
B
VAL
118
n
103
VAL
118
B
SER
119
n
104
SER
119
B
ALA
120
n
105
ALA
120
B
VAL
121
n
106
VAL
121
B
CYS
122
n
107
CYS
122
B
LEU
123
n
108
LEU
123
B
PRO
124
n
109
PRO
124
B
SER
125
n
110
SER
125
B
ALA
126
n
111
ALA
126
B
SER
127
n
112
SER
127
B
ASP
128
n
113
ASP
128
B
ASP
129
n
114
ASP
129
B
PHE
130
n
115
PHE
130
B
ALA
131
n
116
ALA
131
B
ALA
132
n
117
ALA
132
B
GLY
133
n
118
GLY
133
B
THR
134
n
119
THR
134
B
THR
135
n
120
THR
135
B
CYS
136
n
121
CYS
136
B
VAL
137
n
122
VAL
137
B
THR
138
n
123
THR
138
B
THR
139
n
124
THR
139
B
GLY
140
n
125
GLY
140
B
TRP
141
n
126
TRP
141
B
GLY
142
n
127
GLY
142
B
LEU
143
n
128
LEU
143
B
THR
144
n
129
THR
144
B
ARG
145
n
130
ARG
145
B
TYR
146
n
131
TYR
146
B
ALA
149
n
1
ALA
149
C
ASN
150
n
2
ASN
150
C
THR
151
n
3
THR
151
C
PRO
152
n
4
PRO
152
C
ASP
153
n
5
ASP
153
C
ARG
154
n
6
ARG
154
C
LEU
155
n
7
LEU
155
C
GLN
156
n
8
GLN
156
C
GLN
157
n
9
GLN
157
C
ALA
158
n
10
ALA
158
C
SER
159
n
11
SER
159
C
LEU
160
n
12
LEU
160
C
PRO
161
n
13
PRO
161
C
LEU
162
n
14
LEU
162
C
LEU
163
n
15
LEU
163
C
SER
164
n
16
SER
164
C
ASN
165
n
17
ASN
165
C
THR
166
n
18
THR
166
C
ASN
167
n
19
ASN
167
C
CYS
168
n
20
CYS
168
C
LYS
169
n
21
LYS
169
C
LYS
170
n
22
LYS
170
C
TYR
171
n
23
TYR
171
C
TRP
172
n
24
TRP
172
C
GLY
173
n
25
GLY
173
C
THR
174
n
26
THR
174
C
LYS
175
n
27
LYS
175
C
ILE
176
n
28
ILE
176
C
LYS
177
n
29
LYS
177
C
ASP
178
n
30
ASP
178
C
ALA
179
n
31
ALA
179
C
MET
180
n
32
MET
180
C
ILE
181
n
33
ILE
181
C
CYS
182
n
34
CYS
182
C
ALA
183
n
35
ALA
183
C
GLY
184
n
36
GLY
184
C
ALA
185
n
37
ALA
185
C
SER
186
n
38
SER
186
C
GLY
187
n
39
GLY
187
C
VAL
188
n
40
VAL
188
C
SER
189
n
41
SER
189
C
SER
190
n
42
SER
190
C
CYS
191
n
43
CYS
191
C
MET
192
n
44
MET
192
C
GLY
193
n
45
GLY
193
C
ASP
194
n
46
ASP
194
C
SER
195
n
47
SER
195
C
GLY
196
n
48
GLY
196
C
GLY
197
n
49
GLY
197
C
PRO
198
n
50
PRO
198
C
LEU
199
n
51
LEU
199
C
VAL
200
n
52
VAL
200
C
CYS
201
n
53
CYS
201
C
LYS
202
n
54
LYS
202
C
LYS
203
n
55
LYS
203
C
ASN
204
n
56
ASN
204
C
GLY
205
n
57
GLY
205
C
ALA
206
n
58
ALA
206
C
TRP
207
n
59
TRP
207
C
THR
208
n
60
THR
208
C
LEU
209
n
61
LEU
209
C
VAL
210
n
62
VAL
210
C
GLY
211
n
63
GLY
211
C
ILE
212
n
64
ILE
212
C
VAL
213
n
65
VAL
213
C
SER
214
n
66
SER
214
C
TRP
215
n
67
TRP
215
C
GLY
216
n
68
GLY
216
C
SER
217
n
69
SER
217
C
SER
218
n
70
SER
218
C
THR
219
n
71
THR
219
C
CYS
220
n
72
CYS
220
C
SER
221
n
73
SER
221
C
THR
222
n
74
THR
222
C
SER
223
n
75
SER
223
C
THR
224
n
76
THR
224
C
PRO
225
n
77
PRO
225
C
GLY
226
n
78
GLY
226
C
VAL
227
n
79
VAL
227
C
TYR
228
n
80
TYR
228
C
ALA
229
n
81
ALA
229
C
ARG
230
n
82
ARG
230
C
VAL
231
n
83
VAL
231
C
THR
232
n
84
THR
232
C
ALA
233
n
85
ALA
233
C
LEU
234
n
86
LEU
234
C
VAL
235
n
87
VAL
235
C
ASN
236
n
88
ASN
236
C
TRP
237
n
89
TRP
237
C
VAL
238
n
90
VAL
238
C
GLN
239
n
91
GLN
239
C
GLN
240
n
92
GLN
240
C
THR
241
n
93
THR
241
C
LEU
242
n
94
LEU
242
C
ALA
243
n
95
ALA
243
C
ALA
244
n
96
ALA
244
C
ASN
245
n
97
ASN
245
C
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
LYS
18
n
13
LYS
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_and_software_defined_assembly
PISA
4
tetrameric
8930
-66
11600
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
B
O
GLN
81
B
O
GLN
66
B
N
ALA
68
B
N
ALA
53
B
O
VAL
65
B
O
VAL
50
B
N
GLN
34
B
N
GLN
19
B
O
VAL
31
B
O
VAL
16
B
N
GLY
44
B
N
GLY
29
B
O
VAL
52
B
O
VAL
37
B
N
LEU
106
B
N
LEU
91
B
O
LEU
105
B
O
LEU
90
B
N
PHE
89
B
N
PHE
74
C
O
ILE
181
C
O
ILE
33
C
N
TYR
228
C
N
TYR
80
C
O
VAL
227
C
O
VAL
79
C
N
TRP
215
C
N
TRP
67
C
O
ALA
206
C
O
ALA
58
C
N
LYS
203
C
N
LYS
55
I
O
CYS
24
D
O
CYS
19
I
N
HIS
52
D
N
HIS
47
1
A
SER
11
A
SER
11
1
Y
1
A
GLY
12
A
GLY
12
1
Y
1
A
LEU
13
A
LEU
13
1
Y
1
B
ASN
48
-170.78
-172.67
1
B
PHE
71
-132.24
-62.28
1
B
SER
76
-176.06
33.09
1
B
SER
115
-163.18
-159.78
1
C
SER
214
-120.82
-74.28
1
I
SER
44
-59.03
-9.94
1
I
HIS
52
174.16
160.91
14.55
0.246
0.193
0.193
2.3
10.0
11136
10.0
86.9
1
1.0
MOLECULAR REPLACEMENT
PDB ENTRY 1CHO
0.36
2.3
10.0
99
2237
0
0
2138
0.008
1.536
26.43
1.331
0.31
0.2707
2.4
997
8
9.6
69.27
32.2
2.3
10.0
1HJA
11136
1.0
0.108
1
5.89
8.7
86.9
2.3
2.4
1
69.27
data collection
XENGEN
data reduction
XENGEN
model building
X-PLOR
3.843
refinement
X-PLOR
3.843
data scaling
XENGEN
phasing
X-PLOR
3.843
LYS 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH ALPHA-CHYMOTRYPSIN
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
5
N
N
5
N
N
B
ALA
56
B
ALA
41
HELX_P
B
CYS
58
B
CYS
43
5
1
3
C
ASN
165
C
ASN
17
HELX_P
C
LYS
175
C
LYS
27
1
2
11
C
VAL
231
C
VAL
83
HELX_P
C
ALA
233
C
ALA
85
5
3
3
C
VAL
235
C
VAL
87
HELX_P
C
ALA
243
C
ALA
95
1
4
9
I
LYS
34
D
LYS
29
HELX_P
I
GLU
43
D
GLU
38
1
5
10
disulf
2.020
A
CYS
1
A
SG
CYS
1
1_555
B
CYS
122
B
SG
CYS
107
1_555
disulf
2.030
B
CYS
42
B
SG
CYS
27
1_555
B
CYS
58
B
SG
CYS
43
1_555
disulf
2.021
B
CYS
136
B
SG
CYS
121
1_555
C
CYS
201
C
SG
CYS
53
1_555
disulf
2.020
C
CYS
168
C
SG
CYS
20
1_555
C
CYS
182
C
SG
CYS
34
1_555
disulf
2.022
C
CYS
191
C
SG
CYS
43
1_555
C
CYS
220
C
SG
CYS
72
1_555
disulf
2.027
I
CYS
8
D
SG
CYS
3
1_555
I
CYS
38
D
SG
CYS
33
1_555
disulf
2.020
I
CYS
16
D
SG
CYS
11
1_555
I
CYS
35
D
SG
CYS
30
1_555
disulf
2.029
I
CYS
24
D
SG
CYS
19
1_555
I
CYS
56
D
SG
CYS
51
1_555
COMPLEX (HYDROLASE/INHIBITOR)
COMPLEX (HYDROLASE-INHIBITOR), ALPHA-CHYMOTRYPSIN, PROTEIN INHIBITOR, COMPLEX (HYDROLASE-INHIBITOR) complex
I
TYR
11
D
TYR
6
1
I
PRO
12
D
PRO
7
-0.05
CTRB_BOVIN
UNP
1
1
P00766
CTRA_BOVIN
UNP
2
16
P00766
CTRA_BOVIN
UNP
3
149
P00766
IOVO_MELGA
UNP
4
135
P68390
1
13
1HJA
1
13
P00766
A
1
1
13
16
146
1HJA
16
146
P00766
B
2
1
131
149
245
1HJA
149
245
P00766
C
3
1
97
135
185
1HJA
6
56
P68390
I
4
1
51
4
LEU
conflict
LYS
18
1HJA
I
P68390
UNP
147
13
4
3
4
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
B
GLN
81
B
GLN
66
B
LYS
84
B
LYS
69
B
VAL
65
B
VAL
50
B
ALA
68
B
ALA
53
B
GLN
30
B
GLN
15
B
GLN
34
B
GLN
19
B
HIS
40
B
HIS
25
B
SER
45
B
SER
30
B
TRP
51
B
TRP
36
B
THR
54
B
THR
39
B
THR
104
B
THR
89
B
LEU
108
B
LEU
93
B
ILE
85
B
ILE
70
B
LYS
90
B
LYS
75
C
MET
180
C
MET
32
C
GLY
184
C
GLY
36
C
PRO
225
C
PRO
77
C
ARG
230
C
ARG
82
C
ALA
206
C
ALA
58
C
TRP
215
C
TRP
67
C
PRO
198
C
PRO
50
C
LYS
203
C
LYS
55
I
LEU
23
D
LEU
18
I
GLY
25
D
GLY
20
I
LEU
50
D
LEU
45
I
PHE
53
D
PHE
48
CATALYTIC SITE OF ENZYME.
Unknown
3
REACTIVE SITE OF INHIBITOR.
Unknown
2
B
HIS
57
B
HIS
42
3
1_555
B
ASP
102
B
ASP
87
3
1_555
C
SER
195
C
SER
47
3
1_555
I
LYS
18
D
LYS
13
2
1_555
I
GLU
19
D
GLU
14
2
1_555
169
P 61