0.011222
0.006479
0.000000
0.000000
0.012958
0.000000
0.000000
0.000000
0.003430
0.00000
0.00000
0.00000
Perona, J.J.
Fletterick, R.J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
89.110
89.110
291.550
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
US
Biochemistry
BICHAW
0033
0006-2960
36
5381
5392
10.1021/bi9617522
9154920
Crystal structure of an ecotin-collagenase complex suggests a model for recognition and cleavage of the collagen triple helix.
1997
UK
Embo J.
EMJODG
0897
0261-4189
13
1502
Macromolecular Chelation as an Improved Mechanism of Protease Inhibition: Structure of the Ecotin-Trypsin Complex
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
298
1
IMAGE PLATE
1994-05
RIGAKU RAXIS
M
x-ray
1
1.5418
1.0
1.5418
23520.143
COLLAGENASE
3.4.21.32
2
nat
polymer
16120.507
ECOTIN
2
nat
polymer
18.015
water
140
nat
water
TRYPSIN INHIBITOR
no
no
IVGGVEAVPNSWPHQAALFIDDMYFCGGSLISPEWILTAAHCMDGAGFVDVVLGAHNIREDEATQVTIQSTDFTVHENYN
SFVISNDIAVIRLPVPVTLTAAIATVGLPSTDVGVGTVVTPTGWGLPSDSALGISDVLRQVDVPIMSNADCDAVYGIVTD
GNICIDSTGGKGTCNGDSGGPLNYNGLTYGITSFGAAAGCEAGYPDAFTRVTYFLDWIQTQTGITP
IVGGVEAVPNSWPHQAALFIDDMYFCGGSLISPEWILTAAHCMDGAGFVDVVLGAHNIREDEATQVTIQSTDFTVHENYN
SFVISNDIAVIRLPVPVTLTAAIATVGLPSTDVGVGTVVTPTGWGLPSDSALGISDVLRQVDVPIMSNADCDAVYGIVTD
GNICIDSTGGKGTCNGDSGGPLNYNGLTYGITSFGAAAGCEAGYPDAFTRVTYFLDWIQTQTGITP
A,B
polypeptide(L)
no
no
AESVQPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSP
VSTMMACPDGKKEKKFVTAYLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNAVVR
AESVQPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSP
VSTMMACPDGKKEKKFVTAYLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNAVVR
C,D
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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 sand fiddler crab
CRAB HEPATOPANCREAS
Celuca
sample
6772
Celuca pugilator
Escherichia
sample
562
Escherichia coli
PTACTAC
1
4.2
72.
repository
Initial release
Version format compliance
Version format compliance
1
0
1998-02-25
1
1
2008-03-24
1
2
2011-07-13
Y
1997-11-24
REL
HOH
water
HOH
1
3
HOH
HOH
247
A
HOH
2
3
HOH
HOH
248
A
HOH
3
3
HOH
HOH
249
A
HOH
4
3
HOH
HOH
250
A
HOH
5
3
HOH
HOH
251
A
HOH
6
3
HOH
HOH
252
A
HOH
7
3
HOH
HOH
253
A
HOH
8
3
HOH
HOH
254
A
HOH
9
3
HOH
HOH
255
A
HOH
11
3
HOH
HOH
256
A
HOH
16
3
HOH
HOH
257
A
HOH
17
3
HOH
HOH
258
A
HOH
18
3
HOH
HOH
259
A
HOH
19
3
HOH
HOH
260
A
HOH
20
3
HOH
HOH
261
A
HOH
21
3
HOH
HOH
262
A
HOH
24
3
HOH
HOH
263
A
HOH
25
3
HOH
HOH
264
A
HOH
29
3
HOH
HOH
265
A
HOH
30
3
HOH
HOH
266
A
HOH
31
3
HOH
HOH
267
A
HOH
63
3
HOH
HOH
268
A
HOH
95
3
HOH
HOH
269
A
HOH
96
3
HOH
HOH
270
A
HOH
106
3
HOH
HOH
271
A
HOH
107
3
HOH
HOH
272
A
HOH
108
3
HOH
HOH
273
A
HOH
109
3
HOH
HOH
274
A
HOH
110
3
HOH
HOH
275
A
HOH
111
3
HOH
HOH
276
A
HOH
115
3
HOH
HOH
277
A
HOH
117
3
HOH
HOH
278
A
HOH
118
3
HOH
HOH
279
A
HOH
119
3
HOH
HOH
280
A
HOH
120
3
HOH
HOH
281
A
HOH
121
3
HOH
HOH
282
A
HOH
146
3
HOH
HOH
283
A
HOH
155
3
HOH
HOH
284
A
HOH
171
3
HOH
HOH
285
A
HOH
172
3
HOH
HOH
286
A
HOH
177
3
HOH
HOH
287
A
HOH
180
3
HOH
HOH
288
A
HOH
182
3
HOH
HOH
289
A
HOH
183
3
HOH
HOH
290
A
HOH
184
3
HOH
HOH
291
A
HOH
189
3
HOH
HOH
292
A
HOH
191
3
HOH
HOH
293
A
HOH
192
3
HOH
HOH
294
A
HOH
193
3
HOH
HOH
295
A
HOH
195
3
HOH
HOH
296
A
HOH
196
3
HOH
HOH
297
A
HOH
198
3
HOH
HOH
298
A
HOH
32
3
HOH
HOH
247
B
HOH
34
3
HOH
HOH
248
B
HOH
35
3
HOH
HOH
249
B
HOH
36
3
HOH
HOH
250
B
HOH
37
3
HOH
HOH
251
B
HOH
38
3
HOH
HOH
252
B
HOH
39
3
HOH
HOH
253
B
HOH
40
3
HOH
HOH
254
B
HOH
41
3
HOH
HOH
255
B
HOH
42
3
HOH
HOH
256
B
HOH
43
3
HOH
HOH
257
B
HOH
44
3
HOH
HOH
258
B
HOH
45
3
HOH
HOH
259
B
HOH
46
3
HOH
HOH
260
B
HOH
51
3
HOH
HOH
261
B
HOH
56
3
HOH
HOH
262
B
HOH
57
3
HOH
HOH
263
B
HOH
58
3
HOH
HOH
264
B
HOH
59
3
HOH
HOH
265
B
HOH
60
3
HOH
HOH
266
B
HOH
61
3
HOH
HOH
267
B
HOH
62
3
HOH
HOH
268
B
HOH
66
3
HOH
HOH
269
B
HOH
67
3
HOH
HOH
270
B
HOH
69
3
HOH
HOH
271
B
HOH
70
3
HOH
HOH
272
B
HOH
71
3
HOH
HOH
273
B
HOH
100
3
HOH
HOH
274
B
HOH
101
3
HOH
HOH
275
B
HOH
103
3
HOH
HOH
276
B
HOH
124
3
HOH
HOH
277
B
HOH
125
3
HOH
HOH
278
B
HOH
126
3
HOH
HOH
279
B
HOH
128
3
HOH
HOH
280
B
HOH
129
3
HOH
HOH
281
B
HOH
130
3
HOH
HOH
282
B
HOH
132
3
HOH
HOH
283
B
HOH
133
3
HOH
HOH
284
B
HOH
134
3
HOH
HOH
285
B
HOH
139
3
HOH
HOH
286
B
HOH
141
3
HOH
HOH
287
B
HOH
162
3
HOH
HOH
288
B
HOH
164
3
HOH
HOH
289
B
HOH
165
3
HOH
HOH
290
B
HOH
167
3
HOH
HOH
291
B
HOH
173
3
HOH
HOH
292
B
HOH
197
3
HOH
HOH
293
B
HOH
23
3
HOH
HOH
143
C
HOH
26
3
HOH
HOH
144
C
HOH
49
3
HOH
HOH
145
C
HOH
52
3
HOH
HOH
146
C
HOH
53
3
HOH
HOH
147
C
HOH
54
3
HOH
HOH
148
C
HOH
77
3
HOH
HOH
149
C
HOH
78
3
HOH
HOH
150
C
HOH
79
3
HOH
HOH
151
C
HOH
80
3
HOH
HOH
152
C
HOH
83
3
HOH
HOH
153
C
HOH
98
3
HOH
HOH
154
C
HOH
99
3
HOH
HOH
155
C
HOH
105
3
HOH
HOH
156
C
HOH
142
3
HOH
HOH
157
C
HOH
144
3
HOH
HOH
158
C
HOH
148
3
HOH
HOH
159
C
HOH
150
3
HOH
HOH
160
C
HOH
176
3
HOH
HOH
161
C
HOH
179
3
HOH
HOH
162
C
HOH
190
3
HOH
HOH
163
C
HOH
194
3
HOH
HOH
164
C
HOH
13
3
HOH
HOH
143
D
HOH
15
3
HOH
HOH
144
D
HOH
75
3
HOH
HOH
145
D
HOH
90
3
HOH
HOH
146
D
HOH
94
3
HOH
HOH
147
D
HOH
112
3
HOH
HOH
148
D
HOH
113
3
HOH
HOH
149
D
HOH
114
3
HOH
HOH
150
D
HOH
116
3
HOH
HOH
151
D
HOH
138
3
HOH
HOH
152
D
HOH
152
3
HOH
HOH
153
D
HOH
153
3
HOH
HOH
154
D
HOH
156
3
HOH
HOH
155
D
HOH
157
3
HOH
HOH
156
D
HOH
163
3
HOH
HOH
157
D
HOH
166
3
HOH
HOH
158
D
HOH
168
3
HOH
HOH
159
D
HOH
169
3
HOH
HOH
160
D
HOH
199
3
HOH
HOH
161
D
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
VAL
20
n
5
VAL
20
A
GLU
21
n
6
GLU
21
A
ALA
22
n
7
ALA
22
A
VAL
23
n
8
VAL
23
A
PRO
24
n
9
PRO
24
A
ASN
25
n
10
ASN
25
A
SER
26
n
11
SER
26
A
TRP
27
n
12
TRP
27
A
PRO
28
n
13
PRO
28
A
HIS
29
n
14
HIS
29
A
GLN
30
n
15
GLN
30
A
ALA
31
n
16
ALA
31
A
ALA
32
n
17
ALA
32
A
LEU
33
n
18
LEU
33
A
PHE
34
n
19
PHE
34
A
ILE
35
n
20
ILE
35
A
ASP
37
n
21
ASP
37
A
ASP
38
n
22
ASP
38
A
MET
39
n
23
MET
39
A
TYR
40
n
24
TYR
40
A
PHE
41
n
25
PHE
41
A
CYS
42
n
26
CYS
42
A
GLY
43
n
27
GLY
43
A
GLY
44
n
28
GLY
44
A
SER
45
n
29
SER
45
A
LEU
46
n
30
LEU
46
A
ILE
47
n
31
ILE
47
A
SER
48
n
32
SER
48
A
PRO
49
n
33
PRO
49
A
GLU
50
n
34
GLU
50
A
TRP
51
n
35
TRP
51
A
ILE
52
n
36
ILE
52
A
LEU
53
n
37
LEU
53
A
THR
54
n
38
THR
54
A
ALA
55
n
39
ALA
55
A
ALA
56
n
40
ALA
56
A
HIS
57
n
41
HIS
57
A
CYS
58
n
42
CYS
58
A
MET
59
n
43
MET
59
A
ASP
60
n
44
ASP
60
A
GLY
61
n
45
GLY
61
A
ALA
61
n
46
A
ALA
61
A
GLY
61
n
47
B
GLY
61
A
PHE
62
n
48
PHE
62
A
VAL
63
n
49
VAL
63
A
ASP
64
n
50
ASP
64
A
VAL
65
n
51
VAL
65
A
VAL
66
n
52
VAL
66
A
LEU
68
n
53
LEU
68
A
GLY
69
n
54
GLY
69
A
ALA
70
n
55
ALA
70
A
HIS
71
n
56
HIS
71
A
ASN
72
n
57
ASN
72
A
ILE
73
n
58
ILE
73
A
ARG
74
n
59
ARG
74
A
GLU
75
n
60
GLU
75
A
ASP
76
n
61
ASP
76
A
GLU
77
n
62
GLU
77
A
ALA
78
n
63
ALA
78
A
THR
79
n
64
THR
79
A
GLN
80
n
65
GLN
80
A
VAL
81
n
66
VAL
81
A
THR
82
n
67
THR
82
A
ILE
83
n
68
ILE
83
A
GLN
84
n
69
GLN
84
A
SER
85
n
70
SER
85
A
THR
86
n
71
THR
86
A
ASP
87
n
72
ASP
87
A
PHE
88
n
73
PHE
88
A
THR
89
n
74
THR
89
A
VAL
90
n
75
VAL
90
A
HIS
91
n
76
HIS
91
A
GLU
92
n
77
GLU
92
A
ASN
93
n
78
ASN
93
A
TYR
94
n
79
TYR
94
A
ASN
95
n
80
ASN
95
A
SER
96
n
81
SER
96
A
PHE
97
n
82
PHE
97
A
VAL
98
n
83
VAL
98
A
ILE
99
n
84
ILE
99
A
SER
100
n
85
SER
100
A
ASN
101
n
86
ASN
101
A
ASP
102
n
87
ASP
102
A
ILE
103
n
88
ILE
103
A
ALA
104
n
89
ALA
104
A
VAL
105
n
90
VAL
105
A
ILE
106
n
91
ILE
106
A
ARG
107
n
92
ARG
107
A
LEU
108
n
93
LEU
108
A
PRO
109
n
94
PRO
109
A
VAL
110
n
95
VAL
110
A
PRO
111
n
96
PRO
111
A
VAL
112
n
97
VAL
112
A
THR
113
n
98
THR
113
A
LEU
114
n
99
LEU
114
A
THR
115
n
100
THR
115
A
ALA
116
n
101
ALA
116
A
ALA
117
n
102
ALA
117
A
ILE
118
n
103
ILE
118
A
ALA
119
n
104
ALA
119
A
THR
120
n
105
THR
120
A
VAL
121
n
106
VAL
121
A
GLY
122
n
107
GLY
122
A
LEU
123
n
108
LEU
123
A
PRO
124
n
109
PRO
124
A
SER
125
n
110
SER
125
A
THR
127
n
111
THR
127
A
ASP
128
n
112
ASP
128
A
VAL
129
n
113
VAL
129
A
GLY
130
n
114
GLY
130
A
VAL
132
n
115
VAL
132
A
GLY
133
n
116
GLY
133
A
THR
134
n
117
THR
134
A
VAL
135
n
118
VAL
135
A
VAL
136
n
119
VAL
136
A
THR
137
n
120
THR
137
A
PRO
138
n
121
PRO
138
A
THR
139
n
122
THR
139
A
GLY
140
n
123
GLY
140
A
TRP
141
n
124
TRP
141
A
GLY
142
n
125
GLY
142
A
LEU
143
n
126
LEU
143
A
PRO
144
n
127
PRO
144
A
SER
145
n
128
SER
145
A
ASP
146
n
129
ASP
146
A
SER
147
n
130
SER
147
A
ALA
148
n
131
ALA
148
A
LEU
149
n
132
LEU
149
A
GLY
150
n
133
GLY
150
A
ILE
151
n
134
ILE
151
A
SER
152
n
135
SER
152
A
ASP
153
n
136
ASP
153
A
VAL
154
n
137
VAL
154
A
LEU
155
n
138
LEU
155
A
ARG
156
n
139
ARG
156
A
GLN
157
n
140
GLN
157
A
VAL
158
n
141
VAL
158
A
ASP
159
n
142
ASP
159
A
VAL
160
n
143
VAL
160
A
PRO
161
n
144
PRO
161
A
ILE
162
n
145
ILE
162
A
MET
163
n
146
MET
163
A
SER
164
n
147
SER
164
A
ASN
165
n
148
ASN
165
A
ALA
166
n
149
ALA
166
A
ASP
167
n
150
ASP
167
A
CYS
168
n
151
CYS
168
A
ASP
169
n
152
ASP
169
A
ALA
170
n
153
ALA
170
A
VAL
171
n
154
VAL
171
A
TYR
172
n
155
TYR
172
A
GLY
174
n
156
GLY
174
A
ILE
175
n
157
ILE
175
A
VAL
176
n
158
VAL
176
A
THR
177
n
159
THR
177
A
ASP
178
n
160
ASP
178
A
GLY
179
n
161
GLY
179
A
ASN
180
n
162
ASN
180
A
ILE
181
n
163
ILE
181
A
CYS
182
n
164
CYS
182
A
ILE
183
n
165
ILE
183
A
ASP
184
n
166
ASP
184
A
SER
185
n
167
SER
185
A
THR
186
n
168
THR
186
A
GLY
187
n
169
GLY
187
A
GLY
188
n
170
GLY
188
A
LYS
188
n
171
A
LYS
188
A
GLY
189
n
172
GLY
189
A
THR
190
n
173
THR
190
A
CYS
191
n
174
CYS
191
A
ASN
192
n
175
ASN
192
A
GLY
193
n
176
GLY
193
A
ASP
194
n
177
ASP
194
A
SER
195
n
178
SER
195
A
GLY
196
n
179
GLY
196
A
GLY
197
n
180
GLY
197
A
PRO
198
n
181
PRO
198
A
LEU
199
n
182
LEU
199
A
ASN
200
n
183
ASN
200
A
TYR
201
n
184
TYR
201
A
ASN
202
n
185
ASN
202
A
GLY
203
n
186
GLY
203
A
LEU
204
n
187
LEU
204
A
THR
209
n
188
THR
209
A
TYR
210
n
189
TYR
210
A
GLY
211
n
190
GLY
211
A
ILE
212
n
191
ILE
212
A
THR
213
n
192
THR
213
A
SER
214
n
193
SER
214
A
PHE
215
n
194
PHE
215
A
GLY
216
n
195
GLY
216
A
ALA
217
n
196
ALA
217
A
ALA
217
n
197
A
ALA
217
A
ALA
218
n
198
ALA
218
A
GLY
219
n
199
GLY
219
A
CYS
220
n
200
CYS
220
A
GLU
221
n
201
GLU
221
A
ALA
222
n
202
ALA
222
A
GLY
223
n
203
GLY
223
A
TYR
224
n
204
TYR
224
A
PRO
225
n
205
PRO
225
A
ASP
226
n
206
ASP
226
A
ALA
227
n
207
ALA
227
A
PHE
228
n
208
PHE
228
A
THR
229
n
209
THR
229
A
ARG
230
n
210
ARG
230
A
VAL
231
n
211
VAL
231
A
THR
232
n
212
THR
232
A
TYR
233
n
213
TYR
233
A
PHE
234
n
214
PHE
234
A
LEU
235
n
215
LEU
235
A
ASP
236
n
216
ASP
236
A
TRP
237
n
217
TRP
237
A
ILE
238
n
218
ILE
238
A
GLN
239
n
219
GLN
239
A
THR
240
n
220
THR
240
A
GLN
241
n
221
GLN
241
A
THR
242
n
222
THR
242
A
GLY
243
n
223
GLY
243
A
ILE
244
n
224
ILE
244
A
THR
245
n
225
THR
245
A
PRO
246
n
226
PRO
246
A
ILE
16
n
1
ILE
16
B
VAL
17
n
2
VAL
17
B
GLY
18
n
3
GLY
18
B
GLY
19
n
4
GLY
19
B
VAL
20
n
5
VAL
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
ASN
25
n
10
ASN
25
B
SER
26
n
11
SER
26
B
TRP
27
n
12
TRP
27
B
PRO
28
n
13
PRO
28
B
HIS
29
n
14
HIS
29
B
GLN
30
n
15
GLN
30
B
ALA
31
n
16
ALA
31
B
ALA
32
n
17
ALA
32
B
LEU
33
n
18
LEU
33
B
PHE
34
n
19
PHE
34
B
ILE
35
n
20
ILE
35
B
ASP
37
n
21
ASP
37
B
ASP
38
n
22
ASP
38
B
MET
39
n
23
MET
39
B
TYR
40
n
24
TYR
40
B
PHE
41
n
25
PHE
41
B
CYS
42
n
26
CYS
42
B
GLY
43
n
27
GLY
43
B
GLY
44
n
28
GLY
44
B
SER
45
n
29
SER
45
B
LEU
46
n
30
LEU
46
B
ILE
47
n
31
ILE
47
B
SER
48
n
32
SER
48
B
PRO
49
n
33
PRO
49
B
GLU
50
n
34
GLU
50
B
TRP
51
n
35
TRP
51
B
ILE
52
n
36
ILE
52
B
LEU
53
n
37
LEU
53
B
THR
54
n
38
THR
54
B
ALA
55
n
39
ALA
55
B
ALA
56
n
40
ALA
56
B
HIS
57
n
41
HIS
57
B
CYS
58
n
42
CYS
58
B
MET
59
n
43
MET
59
B
ASP
60
n
44
ASP
60
B
GLY
61
n
45
GLY
61
B
ALA
61
n
46
A
ALA
61
B
GLY
61
n
47
B
GLY
61
B
PHE
62
n
48
PHE
62
B
VAL
63
n
49
VAL
63
B
ASP
64
n
50
ASP
64
B
VAL
65
n
51
VAL
65
B
VAL
66
n
52
VAL
66
B
LEU
68
n
53
LEU
68
B
GLY
69
n
54
GLY
69
B
ALA
70
n
55
ALA
70
B
HIS
71
n
56
HIS
71
B
ASN
72
n
57
ASN
72
B
ILE
73
n
58
ILE
73
B
ARG
74
n
59
ARG
74
B
GLU
75
n
60
GLU
75
B
ASP
76
n
61
ASP
76
B
GLU
77
n
62
GLU
77
B
ALA
78
n
63
ALA
78
B
THR
79
n
64
THR
79
B
GLN
80
n
65
GLN
80
B
VAL
81
n
66
VAL
81
B
THR
82
n
67
THR
82
B
ILE
83
n
68
ILE
83
B
GLN
84
n
69
GLN
84
B
SER
85
n
70
SER
85
B
THR
86
n
71
THR
86
B
ASP
87
n
72
ASP
87
B
PHE
88
n
73
PHE
88
B
THR
89
n
74
THR
89
B
VAL
90
n
75
VAL
90
B
HIS
91
n
76
HIS
91
B
GLU
92
n
77
GLU
92
B
ASN
93
n
78
ASN
93
B
TYR
94
n
79
TYR
94
B
ASN
95
n
80
ASN
95
B
SER
96
n
81
SER
96
B
PHE
97
n
82
PHE
97
B
VAL
98
n
83
VAL
98
B
ILE
99
n
84
ILE
99
B
SER
100
n
85
SER
100
B
ASN
101
n
86
ASN
101
B
ASP
102
n
87
ASP
102
B
ILE
103
n
88
ILE
103
B
ALA
104
n
89
ALA
104
B
VAL
105
n
90
VAL
105
B
ILE
106
n
91
ILE
106
B
ARG
107
n
92
ARG
107
B
LEU
108
n
93
LEU
108
B
PRO
109
n
94
PRO
109
B
VAL
110
n
95
VAL
110
B
PRO
111
n
96
PRO
111
B
VAL
112
n
97
VAL
112
B
THR
113
n
98
THR
113
B
LEU
114
n
99
LEU
114
B
THR
115
n
100
THR
115
B
ALA
116
n
101
ALA
116
B
ALA
117
n
102
ALA
117
B
ILE
118
n
103
ILE
118
B
ALA
119
n
104
ALA
119
B
THR
120
n
105
THR
120
B
VAL
121
n
106
VAL
121
B
GLY
122
n
107
GLY
122
B
LEU
123
n
108
LEU
123
B
PRO
124
n
109
PRO
124
B
SER
125
n
110
SER
125
B
THR
127
n
111
THR
127
B
ASP
128
n
112
ASP
128
B
VAL
129
n
113
VAL
129
B
GLY
130
n
114
GLY
130
B
VAL
132
n
115
VAL
132
B
GLY
133
n
116
GLY
133
B
THR
134
n
117
THR
134
B
VAL
135
n
118
VAL
135
B
VAL
136
n
119
VAL
136
B
THR
137
n
120
THR
137
B
PRO
138
n
121
PRO
138
B
THR
139
n
122
THR
139
B
GLY
140
n
123
GLY
140
B
TRP
141
n
124
TRP
141
B
GLY
142
n
125
GLY
142
B
LEU
143
n
126
LEU
143
B
PRO
144
n
127
PRO
144
B
SER
145
n
128
SER
145
B
ASP
146
n
129
ASP
146
B
SER
147
n
130
SER
147
B
ALA
148
n
131
ALA
148
B
LEU
149
n
132
LEU
149
B
GLY
150
n
133
GLY
150
B
ILE
151
n
134
ILE
151
B
SER
152
n
135
SER
152
B
ASP
153
n
136
ASP
153
B
VAL
154
n
137
VAL
154
B
LEU
155
n
138
LEU
155
B
ARG
156
n
139
ARG
156
B
GLN
157
n
140
GLN
157
B
VAL
158
n
141
VAL
158
B
ASP
159
n
142
ASP
159
B
VAL
160
n
143
VAL
160
B
PRO
161
n
144
PRO
161
B
ILE
162
n
145
ILE
162
B
MET
163
n
146
MET
163
B
SER
164
n
147
SER
164
B
ASN
165
n
148
ASN
165
B
ALA
166
n
149
ALA
166
B
ASP
167
n
150
ASP
167
B
CYS
168
n
151
CYS
168
B
ASP
169
n
152
ASP
169
B
ALA
170
n
153
ALA
170
B
VAL
171
n
154
VAL
171
B
TYR
172
n
155
TYR
172
B
GLY
174
n
156
GLY
174
B
ILE
175
n
157
ILE
175
B
VAL
176
n
158
VAL
176
B
THR
177
n
159
THR
177
B
ASP
178
n
160
ASP
178
B
GLY
179
n
161
GLY
179
B
ASN
180
n
162
ASN
180
B
ILE
181
n
163
ILE
181
B
CYS
182
n
164
CYS
182
B
ILE
183
n
165
ILE
183
B
ASP
184
n
166
ASP
184
B
SER
185
n
167
SER
185
B
THR
186
n
168
THR
186
B
GLY
187
n
169
GLY
187
B
GLY
188
n
170
GLY
188
B
LYS
188
n
171
A
LYS
188
B
GLY
189
n
172
GLY
189
B
THR
190
n
173
THR
190
B
CYS
191
n
174
CYS
191
B
ASN
192
n
175
ASN
192
B
GLY
193
n
176
GLY
193
B
ASP
194
n
177
ASP
194
B
SER
195
n
178
SER
195
B
GLY
196
n
179
GLY
196
B
GLY
197
n
180
GLY
197
B
PRO
198
n
181
PRO
198
B
LEU
199
n
182
LEU
199
B
ASN
200
n
183
ASN
200
B
TYR
201
n
184
TYR
201
B
ASN
202
n
185
ASN
202
B
GLY
203
n
186
GLY
203
B
LEU
204
n
187
LEU
204
B
THR
209
n
188
THR
209
B
TYR
210
n
189
TYR
210
B
GLY
211
n
190
GLY
211
B
ILE
212
n
191
ILE
212
B
THR
213
n
192
THR
213
B
SER
214
n
193
SER
214
B
PHE
215
n
194
PHE
215
B
GLY
216
n
195
GLY
216
B
ALA
217
n
196
ALA
217
B
ALA
217
n
197
A
ALA
217
B
ALA
218
n
198
ALA
218
B
GLY
219
n
199
GLY
219
B
CYS
220
n
200
CYS
220
B
GLU
221
n
201
GLU
221
B
ALA
222
n
202
ALA
222
B
GLY
223
n
203
GLY
223
B
TYR
224
n
204
TYR
224
B
PRO
225
n
205
PRO
225
B
ASP
226
n
206
ASP
226
B
ALA
227
n
207
ALA
227
B
PHE
228
n
208
PHE
228
B
THR
229
n
209
THR
229
B
ARG
230
n
210
ARG
230
B
VAL
231
n
211
VAL
231
B
THR
232
n
212
THR
232
B
TYR
233
n
213
TYR
233
B
PHE
234
n
214
PHE
234
B
LEU
235
n
215
LEU
235
B
ASP
236
n
216
ASP
236
B
TRP
237
n
217
TRP
237
B
ILE
238
n
218
ILE
238
B
GLN
239
n
219
GLN
239
B
THR
240
n
220
THR
240
B
GLN
241
n
221
GLN
241
B
THR
242
n
222
THR
242
B
GLY
243
n
223
GLY
243
B
ILE
244
n
224
ILE
244
B
THR
245
n
225
THR
245
B
PRO
246
n
226
PRO
246
B
n
1
1
C
n
2
2
C
n
3
3
C
n
4
4
C
n
5
5
C
PRO
6
n
6
PRO
6
C
LEU
7
n
7
LEU
7
C
GLU
8
n
8
GLU
8
C
LYS
9
n
9
LYS
9
C
ILE
10
n
10
ILE
10
C
ALA
11
n
11
ALA
11
C
PRO
12
n
12
PRO
12
C
TYR
13
n
13
TYR
13
C
PRO
14
n
14
PRO
14
C
GLN
15
n
15
GLN
15
C
ALA
16
n
16
ALA
16
C
GLU
17
n
17
GLU
17
C
LYS
18
n
18
LYS
18
C
GLY
19
n
19
GLY
19
C
MET
20
n
20
MET
20
C
LYS
21
n
21
LYS
21
C
ARG
22
n
22
ARG
22
C
GLN
23
n
23
GLN
23
C
VAL
24
n
24
VAL
24
C
ILE
25
n
25
ILE
25
C
GLN
26
n
26
GLN
26
C
LEU
27
n
27
LEU
27
C
THR
28
n
28
THR
28
C
PRO
29
n
29
PRO
29
C
GLN
30
n
30
GLN
30
C
GLU
31
n
31
GLU
31
C
ASP
32
n
32
ASP
32
C
GLU
33
n
33
GLU
33
C
SER
34
n
34
SER
34
C
THR
35
n
35
THR
35
C
LEU
36
n
36
LEU
36
C
LYS
37
n
37
LYS
37
C
VAL
38
n
38
VAL
38
C
GLU
39
n
39
GLU
39
C
LEU
40
n
40
LEU
40
C
LEU
41
n
41
LEU
41
C
ILE
42
n
42
ILE
42
C
GLY
43
n
43
GLY
43
C
GLN
44
n
44
GLN
44
C
THR
45
n
45
THR
45
C
LEU
46
n
46
LEU
46
C
GLU
47
n
47
GLU
47
C
VAL
48
n
48
VAL
48
C
ASP
49
n
49
ASP
49
C
CYS
50
n
50
CYS
50
C
ASN
51
n
51
ASN
51
C
LEU
52
n
52
LEU
52
C
HIS
53
n
53
HIS
53
C
ARG
54
n
54
ARG
54
C
LEU
55
n
55
LEU
55
C
GLY
56
n
56
GLY
56
C
GLY
57
n
57
GLY
57
C
LYS
58
n
58
LYS
58
C
LEU
59
n
59
LEU
59
C
GLU
60
n
60
GLU
60
C
ASN
61
n
61
ASN
61
C
LYS
62
n
62
LYS
62
C
THR
63
n
63
THR
63
C
LEU
64
n
64
LEU
64
C
GLU
65
n
65
GLU
65
C
GLY
66
n
66
GLY
66
C
TRP
67
n
67
TRP
67
C
GLY
68
n
68
GLY
68
C
TYR
69
n
69
TYR
69
C
ASP
70
n
70
ASP
70
C
TYR
71
n
71
TYR
71
C
TYR
72
n
72
TYR
72
C
VAL
73
n
73
VAL
73
C
PHE
74
n
74
PHE
74
C
ASP
75
n
75
ASP
75
C
LYS
76
n
76
LYS
76
C
VAL
77
n
77
VAL
77
C
SER
78
n
78
SER
78
C
SER
79
n
79
SER
79
C
PRO
80
n
80
PRO
80
C
VAL
81
n
81
VAL
81
C
SER
82
n
82
SER
82
C
THR
83
n
83
THR
83
C
MET
84
n
84
MET
84
C
MET
85
n
85
MET
85
C
ALA
86
n
86
ALA
86
C
CYS
87
n
87
CYS
87
C
PRO
88
n
88
PRO
88
C
ASP
89
n
89
ASP
89
C
GLY
90
n
90
GLY
90
C
LYS
91
n
91
LYS
91
C
LYS
92
n
92
LYS
92
C
GLU
93
n
93
GLU
93
C
LYS
94
n
94
LYS
94
C
LYS
95
n
95
LYS
95
C
PHE
96
n
96
PHE
96
C
VAL
97
n
97
VAL
97
C
THR
98
n
98
THR
98
C
ALA
99
n
99
ALA
99
C
TYR
100
n
100
TYR
100
C
LEU
101
n
101
LEU
101
C
GLY
102
n
102
GLY
102
C
ASP
103
n
103
ASP
103
C
ALA
104
n
104
ALA
104
C
GLY
105
n
105
GLY
105
C
MET
106
n
106
MET
106
C
LEU
107
n
107
LEU
107
C
ARG
108
n
108
ARG
108
C
TYR
109
n
109
TYR
109
C
ASN
110
n
110
ASN
110
C
SER
111
n
111
SER
111
C
LYS
112
n
112
LYS
112
C
LEU
113
n
113
LEU
113
C
PRO
114
n
114
PRO
114
C
ILE
115
n
115
ILE
115
C
VAL
116
n
116
VAL
116
C
VAL
117
n
117
VAL
117
C
TYR
118
n
118
TYR
118
C
THR
119
n
119
THR
119
C
PRO
120
n
120
PRO
120
C
ASP
121
n
121
ASP
121
C
ASN
122
n
122
ASN
122
C
VAL
123
n
123
VAL
123
C
ASP
124
n
124
ASP
124
C
VAL
125
n
125
VAL
125
C
LYS
126
n
126
LYS
126
C
TYR
127
n
127
TYR
127
C
ARG
128
n
128
ARG
128
C
VAL
129
n
129
VAL
129
C
TRP
130
n
130
TRP
130
C
LYS
131
n
131
LYS
131
C
ALA
132
n
132
ALA
132
C
GLU
133
n
133
GLU
133
C
GLU
134
n
134
GLU
134
C
LYS
135
n
135
LYS
135
C
ILE
136
n
136
ILE
136
C
ASP
137
n
137
ASP
137
C
ASN
138
n
138
ASN
138
C
ALA
139
n
139
ALA
139
C
VAL
140
n
140
VAL
140
C
VAL
141
n
141
VAL
141
C
ARG
142
n
142
ARG
142
C
n
1
1
D
n
2
2
D
n
3
3
D
n
4
4
D
GLN
5
n
5
GLN
5
D
PRO
6
n
6
PRO
6
D
LEU
7
n
7
LEU
7
D
GLU
8
n
8
GLU
8
D
LYS
9
n
9
LYS
9
D
ILE
10
n
10
ILE
10
D
ALA
11
n
11
ALA
11
D
PRO
12
n
12
PRO
12
D
TYR
13
n
13
TYR
13
D
PRO
14
n
14
PRO
14
D
GLN
15
n
15
GLN
15
D
ALA
16
n
16
ALA
16
D
GLU
17
n
17
GLU
17
D
LYS
18
n
18
LYS
18
D
GLY
19
n
19
GLY
19
D
MET
20
n
20
MET
20
D
LYS
21
n
21
LYS
21
D
ARG
22
n
22
ARG
22
D
GLN
23
n
23
GLN
23
D
VAL
24
n
24
VAL
24
D
ILE
25
n
25
ILE
25
D
GLN
26
n
26
GLN
26
D
LEU
27
n
27
LEU
27
D
THR
28
n
28
THR
28
D
PRO
29
n
29
PRO
29
D
GLN
30
n
30
GLN
30
D
GLU
31
n
31
GLU
31
D
ASP
32
n
32
ASP
32
D
GLU
33
n
33
GLU
33
D
SER
34
n
34
SER
34
D
THR
35
n
35
THR
35
D
LEU
36
n
36
LEU
36
D
LYS
37
n
37
LYS
37
D
VAL
38
n
38
VAL
38
D
GLU
39
n
39
GLU
39
D
LEU
40
n
40
LEU
40
D
LEU
41
n
41
LEU
41
D
ILE
42
n
42
ILE
42
D
GLY
43
n
43
GLY
43
D
GLN
44
n
44
GLN
44
D
THR
45
n
45
THR
45
D
LEU
46
n
46
LEU
46
D
GLU
27
n
47
GLU
47
D
VAL
48
n
48
VAL
48
D
ASP
49
n
49
ASP
49
D
CYS
50
n
50
CYS
50
D
ASN
51
n
51
ASN
51
D
LEU
52
n
52
LEU
52
D
HIS
53
n
53
HIS
53
D
ARG
54
n
54
ARG
54
D
LEU
55
n
55
LEU
55
D
GLY
56
n
56
GLY
56
D
GLY
57
n
57
GLY
57
D
LYS
58
n
58
LYS
58
D
LEU
59
n
59
LEU
59
D
GLU
60
n
60
GLU
60
D
ASN
61
n
61
ASN
61
D
LYS
62
n
62
LYS
62
D
THR
63
n
63
THR
63
D
LEU
64
n
64
LEU
64
D
GLU
65
n
65
GLU
65
D
GLY
66
n
66
GLY
66
D
TRP
67
n
67
TRP
67
D
GLY
68
n
68
GLY
68
D
TYR
69
n
69
TYR
69
D
ASP
70
n
70
ASP
70
D
TYR
71
n
71
TYR
71
D
TYR
72
n
72
TYR
72
D
VAL
73
n
73
VAL
73
D
PHE
74
n
74
PHE
74
D
ASP
75
n
75
ASP
75
D
LYS
76
n
76
LYS
76
D
VAL
77
n
77
VAL
77
D
SER
78
n
78
SER
78
D
SER
79
n
79
SER
79
D
PRO
80
n
80
PRO
80
D
VAL
81
n
81
VAL
81
D
SER
82
n
82
SER
82
D
THR
83
n
83
THR
83
D
MET
84
n
84
MET
84
D
MET
85
n
85
MET
85
D
ALA
86
n
86
ALA
86
D
CYS
87
n
87
CYS
87
D
PRO
88
n
88
PRO
88
D
ASP
89
n
89
ASP
89
D
GLY
90
n
90
GLY
90
D
LYS
91
n
91
LYS
91
D
LYS
92
n
92
LYS
92
D
GLU
93
n
93
GLU
93
D
LYS
94
n
94
LYS
94
D
LYS
95
n
95
LYS
95
D
PHE
96
n
96
PHE
96
D
VAL
97
n
97
VAL
97
D
THR
98
n
98
THR
98
D
ALA
99
n
99
ALA
99
D
TYR
100
n
100
TYR
100
D
LEU
101
n
101
LEU
101
D
GLY
102
n
102
GLY
102
D
ASP
103
n
103
ASP
103
D
ALA
104
n
104
ALA
104
D
GLY
105
n
105
GLY
105
D
MET
106
n
106
MET
106
D
LEU
107
n
107
LEU
107
D
ARG
108
n
108
ARG
108
D
TYR
109
n
109
TYR
109
D
ASN
110
n
110
ASN
110
D
SER
111
n
111
SER
111
D
LYS
112
n
112
LYS
112
D
LEU
113
n
113
LEU
113
D
PRO
114
n
114
PRO
114
D
ILE
115
n
115
ILE
115
D
VAL
116
n
116
VAL
116
D
VAL
117
n
117
VAL
117
D
TYR
118
n
118
TYR
118
D
THR
119
n
119
THR
119
D
PRO
120
n
120
PRO
120
D
ASP
121
n
121
ASP
121
D
ASN
122
n
122
ASN
122
D
VAL
123
n
123
VAL
123
D
ASP
124
n
124
ASP
124
D
VAL
125
n
125
VAL
125
D
LYS
126
n
126
LYS
126
D
TYR
127
n
127
TYR
127
D
ARG
128
n
128
ARG
128
D
VAL
129
n
129
VAL
129
D
TRP
130
n
130
TRP
130
D
LYS
131
n
131
LYS
131
D
ALA
132
n
132
ALA
132
D
GLU
133
n
133
GLU
133
D
GLU
134
n
134
GLU
134
D
LYS
135
n
135
LYS
135
D
ILE
136
n
136
ILE
136
D
ASP
137
n
137
ASP
137
D
ASN
138
n
138
ASN
138
D
ALA
139
n
139
ALA
139
D
VAL
140
n
140
VAL
140
D
VAL
141
n
141
VAL
141
D
ARG
142
n
142
ARG
142
D
author_and_software_defined_assembly
PISA
4
tetrameric
8910
-54
28320
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
VAL
81
A
O
VAL
66
A
N
LEU
68
A
N
LEU
53
A
O
ASP
64
A
O
ASP
50
A
N
PHE
34
A
N
PHE
19
A
O
ALA
31
A
O
ALA
16
A
N
GLY
44
A
N
GLY
28
A
O
SER
45
A
O
SER
29
A
N
LEU
53
A
N
LEU
37
A
O
ILE
52
A
O
ILE
36
A
N
ILE
106
A
N
ILE
91
A
O
VAL
105
A
O
VAL
90
A
N
THR
89
A
N
THR
74
A
O
VAL
136
A
O
VAL
119
A
N
VAL
160
A
N
VAL
143
A
O
PRO
161
A
O
PRO
144
A
N
ASP
184
A
N
ASP
166
A
O
ILE
181
A
O
ILE
163
A
N
PHE
228
A
N
PHE
208
A
O
ALA
227
A
O
ALA
207
A
N
PHE
215
A
N
PHE
194
B
O
VAL
81
B
O
VAL
66
B
N
LEU
68
B
N
LEU
53
B
O
ASP
64
B
O
ASP
50
B
N
PHE
34
B
N
PHE
19
B
O
ALA
31
B
O
ALA
16
B
N
GLY
44
B
N
GLY
28
B
O
SER
45
B
O
SER
29
B
N
LEU
53
B
N
LEU
37
B
O
ILE
52
B
O
ILE
36
B
N
ILE
106
B
N
ILE
91
B
O
VAL
105
B
O
VAL
90
B
N
THR
89
B
N
THR
74
B
O
VAL
136
B
O
VAL
119
B
N
VAL
160
B
N
VAL
143
B
O
ILE
181
B
O
ILE
163
B
N
PHE
228
B
N
PHE
208
B
O
ALA
227
B
O
ALA
207
B
N
PHE
215
B
N
PHE
194
C
O
LYS
21
C
O
LYS
21
C
N
THR
119
C
N
THR
119
C
O
ASP
124
C
O
ASP
124
C
N
GLY
43
C
N
GLY
43
C
O
VAL
38
C
O
VAL
38
C
N
LEU
107
C
N
LEU
107
C
O
GLN
44
C
O
GLN
44
C
N
VAL
97
C
N
VAL
97
C
O
LYS
58
C
O
LYS
58
C
N
ASP
75
C
N
ASP
75
D
O
LYS
21
D
O
LYS
21
D
N
THR
119
D
N
THR
119
D
O
VAL
116
D
O
VAL
116
D
N
TYR
72
D
N
TYR
72
D
O
TYR
69
D
O
TYR
69
D
N
LEU
64
D
N
LEU
64
D
O
ASP
124
D
O
ASP
124
D
N
GLY
43
D
N
GLY
43
D
O
VAL
38
D
O
VAL
38
D
N
LEU
107
D
N
LEU
107
D
O
GLN
44
D
O
GLN
44
D
N
VAL
97
D
N
VAL
97
1
C
CG
GLU
8
C
CG
GLU
8
1
Y
1
C
CD
GLU
8
C
CD
GLU
8
1
Y
1
C
OE1
GLU
8
C
OE1
GLU
8
1
Y
1
C
OE2
GLU
8
C
OE2
GLU
8
1
Y
1
C
CG
LYS
9
C
CG
LYS
9
1
Y
1
C
CD
LYS
9
C
CD
LYS
9
1
Y
1
C
CE
LYS
9
C
CE
LYS
9
1
Y
1
C
NZ
LYS
9
C
NZ
LYS
9
1
Y
1
C
CG
GLU
17
C
CG
GLU
17
1
Y
1
C
CD
GLU
17
C
CD
GLU
17
1
Y
1
C
OE1
GLU
17
C
OE1
GLU
17
1
Y
1
C
OE2
GLU
17
C
OE2
GLU
17
1
Y
1
C
CG
LYS
18
C
CG
LYS
18
1
Y
1
C
CD
LYS
18
C
CD
LYS
18
1
Y
1
C
CE
LYS
18
C
CE
LYS
18
1
Y
1
C
NZ
LYS
18
C
NZ
LYS
18
1
Y
1
C
CG
GLU
31
C
CG
GLU
31
1
Y
1
C
CD
GLU
31
C
CD
GLU
31
1
Y
1
C
OE1
GLU
31
C
OE1
GLU
31
1
Y
1
C
OE2
GLU
31
C
OE2
GLU
31
1
Y
1
C
CG
LYS
58
C
CG
LYS
58
1
Y
1
C
CD
LYS
58
C
CD
LYS
58
1
Y
1
C
CE
LYS
58
C
CE
LYS
58
1
Y
1
C
NZ
LYS
58
C
NZ
LYS
58
1
Y
1
C
CG
LYS
76
C
CG
LYS
76
1
Y
1
C
CD
LYS
76
C
CD
LYS
76
1
Y
1
C
CE
LYS
76
C
CE
LYS
76
1
Y
1
C
NZ
LYS
76
C
NZ
LYS
76
1
Y
1
C
CG
GLU
93
C
CG
GLU
93
1
Y
1
C
CD
GLU
93
C
CD
GLU
93
1
Y
1
C
OE1
GLU
93
C
OE1
GLU
93
1
Y
1
C
OE2
GLU
93
C
OE2
GLU
93
1
Y
1
C
CG
LYS
94
C
CG
LYS
94
1
Y
1
C
CD
LYS
94
C
CD
LYS
94
1
Y
1
C
CE
LYS
94
C
CE
LYS
94
1
Y
1
C
NZ
LYS
94
C
NZ
LYS
94
1
Y
1
C
CG
LYS
95
C
CG
LYS
95
1
Y
1
C
CD
LYS
95
C
CD
LYS
95
1
Y
1
C
CE
LYS
95
C
CE
LYS
95
1
Y
1
C
NZ
LYS
95
C
NZ
LYS
95
1
Y
1
C
CG
ASP
103
C
CG
ASP
103
1
Y
1
C
OD1
ASP
103
C
OD1
ASP
103
1
Y
1
C
OD2
ASP
103
C
OD2
ASP
103
1
Y
1
C
CG
GLU
134
C
CG
GLU
134
1
Y
1
C
CD
GLU
134
C
CD
GLU
134
1
Y
1
C
OE1
GLU
134
C
OE1
GLU
134
1
Y
1
C
OE2
GLU
134
C
OE2
GLU
134
1
Y
1
D
CG
GLN
5
D
CG
GLN
5
1
Y
1
D
CD
GLN
5
D
CD
GLN
5
1
Y
1
D
OE1
GLN
5
D
OE1
GLN
5
1
Y
1
D
NE2
GLN
5
D
NE2
GLN
5
1
Y
1
D
CG
GLU
8
D
CG
GLU
8
1
Y
1
D
CD
GLU
8
D
CD
GLU
8
1
Y
1
D
OE1
GLU
8
D
OE1
GLU
8
1
Y
1
D
OE2
GLU
8
D
OE2
GLU
8
1
Y
1
D
CG
LYS
9
D
CG
LYS
9
1
Y
1
D
CD
LYS
9
D
CD
LYS
9
1
Y
1
D
CE
LYS
9
D
CE
LYS
9
1
Y
1
D
NZ
LYS
9
D
NZ
LYS
9
1
Y
1
D
CG
GLU
17
D
CG
GLU
17
1
Y
1
D
CD
GLU
17
D
CD
GLU
17
1
Y
1
D
OE1
GLU
17
D
OE1
GLU
17
1
Y
1
D
OE2
GLU
17
D
OE2
GLU
17
1
Y
1
D
CG
LYS
18
D
CG
LYS
18
1
Y
1
D
CD
LYS
18
D
CD
LYS
18
1
Y
1
D
CE
LYS
18
D
CE
LYS
18
1
Y
1
D
NZ
LYS
18
D
NZ
LYS
18
1
Y
1
D
CG
GLU
31
D
CG
GLU
31
1
Y
1
D
CD
GLU
31
D
CD
GLU
31
1
Y
1
D
OE1
GLU
31
D
OE1
GLU
31
1
Y
1
D
OE2
GLU
31
D
OE2
GLU
31
1
Y
1
D
CG
GLU
47
D
CG
GLU
47
1
Y
1
D
CD
GLU
47
D
CD
GLU
47
1
Y
1
D
OE1
GLU
47
D
OE1
GLU
47
1
Y
1
D
OE2
GLU
47
D
OE2
GLU
47
1
Y
1
D
CG
LYS
58
D
CG
LYS
58
1
Y
1
D
CD
LYS
58
D
CD
LYS
58
1
Y
1
D
CE
LYS
58
D
CE
LYS
58
1
Y
1
D
NZ
LYS
58
D
NZ
LYS
58
1
Y
1
D
CG
GLU
60
D
CG
GLU
60
1
Y
1
D
CD
GLU
60
D
CD
GLU
60
1
Y
1
D
OE1
GLU
60
D
OE1
GLU
60
1
Y
1
D
OE2
GLU
60
D
OE2
GLU
60
1
Y
1
D
CG
LYS
76
D
CG
LYS
76
1
Y
1
D
CD
LYS
76
D
CD
LYS
76
1
Y
1
D
CE
LYS
76
D
CE
LYS
76
1
Y
1
D
NZ
LYS
76
D
NZ
LYS
76
1
Y
1
D
CG
LYS
91
D
CG
LYS
91
1
Y
1
D
CD
LYS
91
D
CD
LYS
91
1
Y
1
D
CE
LYS
91
D
CE
LYS
91
1
Y
1
D
NZ
LYS
91
D
NZ
LYS
91
1
Y
1
D
CG
LYS
92
D
CG
LYS
92
1
Y
1
D
CD
LYS
92
D
CD
LYS
92
1
Y
1
D
CE
LYS
92
D
CE
LYS
92
1
Y
1
D
NZ
LYS
92
D
NZ
LYS
92
1
Y
1
D
CG
GLU
93
D
CG
GLU
93
1
Y
1
D
CD
GLU
93
D
CD
GLU
93
1
Y
1
D
OE1
GLU
93
D
OE1
GLU
93
1
Y
1
D
OE2
GLU
93
D
OE2
GLU
93
1
Y
1
D
CG
LYS
94
D
CG
LYS
94
1
Y
1
D
CD
LYS
94
D
CD
LYS
94
1
Y
1
D
CE
LYS
94
D
CE
LYS
94
1
Y
1
D
NZ
LYS
94
D
NZ
LYS
94
1
Y
1
D
CG
LYS
95
D
CG
LYS
95
1
Y
1
D
CD
LYS
95
D
CD
LYS
95
1
Y
1
D
CE
LYS
95
D
CE
LYS
95
1
Y
1
D
NZ
LYS
95
D
NZ
LYS
95
1
Y
1
D
CG
ASP
103
D
CG
ASP
103
1
Y
1
D
OD1
ASP
103
D
OD1
ASP
103
1
Y
1
D
OD2
ASP
103
D
OD2
ASP
103
1
Y
1
D
CG
GLU
134
D
CG
GLU
134
1
Y
1
D
CD
GLU
134
D
CD
GLU
134
1
Y
1
D
OE1
GLU
134
D
OE1
GLU
134
1
Y
1
D
OE2
GLU
134
D
OE2
GLU
134
1
Y
1
D
CG
LYS
135
D
CG
LYS
135
1
Y
1
D
CD
LYS
135
D
CD
LYS
135
1
Y
1
D
CE
LYS
135
D
CE
LYS
135
1
Y
1
D
NZ
LYS
135
D
NZ
LYS
135
1
Y
1
C
ALA
1
C
ALA
1
1
Y
1
C
GLU
2
C
GLU
2
1
Y
1
C
SER
3
C
SER
3
1
Y
1
C
VAL
4
C
VAL
4
1
Y
1
C
GLN
5
C
GLN
5
1
Y
1
D
ALA
1
D
ALA
1
1
Y
1
D
GLU
2
D
GLU
2
1
Y
1
D
SER
3
D
SER
3
1
Y
1
D
VAL
4
D
VAL
4
1
Y
1
D
D
GLN
PRO
5
6
-126.21
1
6.20
0.80
106.30
112.50
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
27
27
27
N
1
-5.91
0.80
107.30
101.39
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
27
27
27
N
1
6.40
0.80
106.30
112.70
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
51
51
51
N
1
-6.21
0.80
107.30
101.09
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
51
51
51
N
1
4.09
0.50
120.30
124.39
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
74
74
74
N
1
-4.11
0.50
120.30
116.19
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
74
74
74
N
1
6.81
0.80
106.30
113.11
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
141
141
141
N
1
-5.85
0.80
107.30
101.45
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
141
141
141
N
1
-3.62
0.50
120.30
116.68
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
156
156
156
N
1
-4.65
0.50
120.30
115.65
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
230
230
230
N
1
5.69
0.80
106.30
111.99
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
237
237
237
N
1
-5.54
0.80
107.30
101.76
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
237
237
237
N
1
6.34
0.80
106.30
112.64
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
27
27
27
N
1
-5.69
0.80
107.30
101.61
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
27
27
27
N
1
6.86
0.80
106.30
113.16
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
51
51
51
N
1
-6.71
0.80
107.30
100.59
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
51
51
51
N
1
-9.86
1.60
100.20
90.34
B
B
B
CG
SD
CE
MET
MET
MET
59
59
59
N
1
6.23
0.80
106.30
112.53
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
141
141
141
N
1
-5.95
0.80
107.30
101.35
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
141
141
141
N
1
-14.36
2.10
111.80
97.44
B
B
B
CG
CD
NE
ARG
ARG
ARG
156
156
156
N
1
-4.74
0.50
120.30
115.56
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
156
156
156
N
1
6.57
0.80
106.30
112.87
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
237
237
237
N
1
-5.81
0.80
107.30
101.49
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
237
237
237
N
1
-4.39
0.50
120.30
115.91
C
C
C
NE
CZ
NH2
ARG
ARG
ARG
22
22
22
N
1
-3.48
0.50
120.30
116.82
C
C
C
NE
CZ
NH2
ARG
ARG
ARG
54
54
54
N
1
6.53
0.80
106.30
112.83
C
C
C
CD1
CG
CD2
TRP
TRP
TRP
67
67
67
N
1
-5.58
0.80
107.30
101.72
C
C
C
CE2
CD2
CG
TRP
TRP
TRP
67
67
67
N
1
6.05
0.80
106.30
112.35
C
C
C
CD1
CG
CD2
TRP
TRP
TRP
130
130
130
N
1
-5.81
0.80
107.30
101.49
C
C
C
CE2
CD2
CG
TRP
TRP
TRP
130
130
130
N
1
7.24
0.80
106.30
113.54
D
D
D
CD1
CG
CD2
TRP
TRP
TRP
67
67
67
N
1
-5.98
0.80
107.30
101.32
D
D
D
CE2
CD2
CG
TRP
TRP
TRP
67
67
67
N
1
-14.70
2.20
117.20
102.50
D
D
D
CA
C
N
GLY
GLY
LYS
90
90
91
Y
1
15.21
2.20
113.40
128.61
D
D
D
CA
CB
CG
LYS
LYS
LYS
112
112
112
N
1
-5.35
0.50
120.30
114.95
D
D
D
NE
CZ
NH2
ARG
ARG
ARG
128
128
128
N
1
5.55
0.80
106.30
111.85
D
D
D
CD1
CG
CD2
TRP
TRP
TRP
130
130
130
N
1
-5.53
0.80
107.30
101.77
D
D
D
CE2
CD2
CG
TRP
TRP
TRP
130
130
130
N
1
A
A
NE2
CD2
HIS
HIS
57
57
-0.069
0.011
1.373
1.304
N
1
A
A
NE2
CD2
HIS
HIS
71
71
-0.077
0.011
1.373
1.296
N
1
A
A
NE2
CD2
HIS
HIS
91
91
-0.076
0.011
1.373
1.297
N
1
B
B
NE2
CD2
HIS
HIS
29
29
-0.068
0.011
1.373
1.305
N
1
B
B
NE2
CD2
HIS
HIS
57
57
-0.069
0.011
1.373
1.304
N
1
B
B
NE2
CD2
HIS
HIS
71
71
-0.068
0.011
1.373
1.305
N
1
B
B
NE2
CD2
HIS
HIS
91
91
-0.076
0.011
1.373
1.297
N
1
C
C
NE2
CD2
HIS
HIS
53
53
-0.071
0.011
1.373
1.302
N
1
D
D
NE2
CD2
HIS
HIS
53
53
-0.073
0.011
1.373
1.300
N
1
A
TRP
27
-116.64
74.98
1
A
ASP
38
49.48
9.46
1
A
ASP
60
-33.96
-85.72
1
A
SER
214
-122.25
-62.73
1
B
ASN
25
56.39
17.91
1
B
ASP
38
46.90
27.44
1
B
MET
39
-136.05
-43.73
1
B
ASP
60
-40.23
-81.03
1
B
HIS
71
-120.15
-57.07
1
B
SER
214
-112.51
-78.36
1
C
THR
35
-98.87
32.46
1
C
ASP
49
-100.84
-142.62
1
D
ILE
10
-90.47
-63.13
1
D
GLU
31
-74.61
-79.64
1
D
ASP
49
-104.99
-139.83
1
D
ASP
89
161.92
150.56
PARAM19X.PRO
0.238
0.189
0.189
2.3
6.0
10.00
1
2.3
6.0
140
5527
0
0
5387
0.011
2.80
2.5
1AZZ
41721
0.095
1
3.
78.
data collection
R-AXIS
data reduction
R-AXIS
model building
X-PLOR
3.1
refinement
X-PLOR
3.1
data scaling
R-AXIS
phasing
X-PLOR
3.1
COLLAGENASE, ECOTIN
FIDDLER CRAB COLLAGENASE COMPLEXED TO ECOTIN
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
3
N
N
3
N
N
A
ALA
56
A
ALA
40
HELX_P
A
MET
59
A
MET
43
1
1
4
A
ASN
165
A
ASN
148
HELX_P
A
TYR
172
A
TYR
155
1
2
8
A
THR
232
A
THR
212
HELX_P
A
THR
242
A
THR
222
5
3
11
B
ALA
56
B
ALA
40
HELX_P
B
MET
59
B
MET
43
1
4
4
B
ASN
165
B
ASN
148
HELX_P
B
TYR
172
B
TYR
155
1
5
8
B
VAL
231
B
VAL
211
HELX_P
B
THR
242
B
THR
222
5
6
12
C
LEU
7
C
LEU
7
HELX_P
C
LYS
9
C
LYS
9
5
7
3
D
LEU
7
D
LEU
7
HELX_P
D
LYS
9
D
LYS
9
5
8
3
disulf
2.024
A
CYS
42
A
SG
CYS
26
1_555
A
CYS
58
A
SG
CYS
42
1_555
disulf
2.012
A
CYS
168
A
SG
CYS
151
1_555
A
CYS
182
A
SG
CYS
164
1_555
disulf
2.001
A
CYS
191
A
SG
CYS
174
1_555
A
CYS
220
A
SG
CYS
200
1_555
disulf
2.019
B
CYS
42
B
SG
CYS
26
1_555
B
CYS
58
B
SG
CYS
42
1_555
disulf
2.013
B
CYS
168
B
SG
CYS
151
1_555
B
CYS
182
B
SG
CYS
164
1_555
disulf
2.020
B
CYS
191
B
SG
CYS
174
1_555
B
CYS
220
B
SG
CYS
200
1_555
disulf
2.014
C
CYS
50
C
SG
CYS
50
1_555
C
CYS
87
C
SG
CYS
87
1_555
disulf
2.018
D
CYS
50
D
SG
CYS
50
1_555
D
CYS
87
D
SG
CYS
87
1_555
COMPLEX (SERINE PROTEASE/INHIBITOR)
COMPLEX (SERINE PROTEASE-INHIBITOR), SERINE PROTEASE, INHIBITOR, COMPLEX, PROTEASE-SUBSTRATE INTERACTIONS, COLLAGEN, COMPLEX (SERINE PROTEASE-INHIBITOR) complex
COGS_UCAPU
UNP
1
1
P00771
ECOT_ECOLI
UNP
2
21
P23827
1
226
1AZZ
16
246
P00771
A
1
1
226
1
226
1AZZ
16
246
P00771
B
1
1
226
21
162
1AZZ
1
142
P23827
C
2
1
142
21
162
1AZZ
1
142
P23827
D
2
1
142
7
5
7
2
3
2
3
2
2
4
3
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
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
VAL
81
A
VAL
66
A
SER
85
A
SER
70
A
VAL
63
A
VAL
49
A
LEU
68
A
LEU
53
A
GLN
30
A
GLN
15
A
ILE
35
A
ILE
20
A
TYR
40
A
TYR
24
A
SER
48
A
SER
32
A
TRP
51
A
TRP
35
A
THR
54
A
THR
38
A
ALA
104
A
ALA
89
A
ARG
107
A
ARG
92
A
PHE
88
A
PHE
73
A
VAL
90
A
VAL
75
A
VAL
135
A
VAL
118
A
GLY
140
A
GLY
123
A
ARG
156
A
ARG
139
A
MET
163
A
MET
146
A
ASN
180
A
ASN
162
A
ASP
184
A
ASP
166
A
ASP
226
A
ASP
206
A
ARG
230
A
ARG
210
A
GLY
211
A
GLY
190
A
PHE
215
A
PHE
194
B
VAL
81
B
VAL
66
B
SER
85
B
SER
70
B
VAL
63
B
VAL
49
B
LEU
68
B
LEU
53
B
GLN
30
B
GLN
15
B
ILE
35
B
ILE
20
B
TYR
40
B
TYR
24
B
SER
48
B
SER
32
B
TRP
51
B
TRP
35
B
THR
54
B
THR
38
B
ALA
104
B
ALA
89
B
ARG
107
B
ARG
92
B
ASP
87
B
ASP
72
B
VAL
90
B
VAL
75
B
VAL
135
B
VAL
118
B
GLY
140
B
GLY
123
B
ARG
156
B
ARG
139
B
PRO
161
B
PRO
144
B
ASN
180
B
ASN
162
B
ILE
183
B
ILE
165
B
ASP
226
B
ASP
206
B
ARG
230
B
ARG
210
B
GLY
211
B
GLY
190
B
PHE
215
B
PHE
194
C
MET
20
C
MET
20
C
ILE
25
C
ILE
25
C
ILE
115
C
ILE
115
C
PRO
120
C
PRO
120
C
ASP
124
C
ASP
124
C
LYS
131
C
LYS
131
C
LEU
36
C
LEU
36
C
GLY
43
C
GLY
43
C
MET
106
C
MET
106
C
ARG
108
C
ARG
108
C
GLY
43
C
GLY
43
C
VAL
48
C
VAL
48
C
GLU
93
C
GLU
93
C
THR
98
C
THR
98
C
LYS
58
C
LYS
58
C
LEU
64
C
LEU
64
C
TYR
69
C
TYR
69
C
ASP
75
C
ASP
75
D
MET
20
D
MET
20
D
ILE
25
D
ILE
25
D
ILE
115
D
ILE
115
D
PRO
120
D
PRO
120
D
TYR
69
D
TYR
69
D
ASP
75
D
ASP
75
D
LYS
58
D
LYS
58
D
LEU
64
D
LEU
64
D
ASP
124
D
ASP
124
D
LYS
131
D
LYS
131
D
LEU
36
D
LEU
36
D
GLY
43
D
GLY
43
D
MET
106
D
MET
106
D
ARG
108
D
ARG
108
D
GLY
43
D
GLY
43
D
VAL
48
D
VAL
48
D
GLU
93
D
GLU
93
D
THR
98
D
THR
98
154
P 32 2 1