0.009761
0.005635
0.000000
0.000000
0.011271
0.000000
0.000000
0.000000
0.004818
0.00000
0.00000
0.00000
Capasso, C.
Rizzi, M.
Menegatti, E.
Ascenzi, P.
Bolognesi, M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
102.450
102.450
207.570
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
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
UK
J.Mol.Recog.
JMORE4
0814
0952-3499
10
26
35
10.1002/(SICI)1099-1352(199701/02)10:1<26::AID-JMR351>3.0.CO;2-N
9179777
Crystal structure of the bovine alpha-chymotrypsin:Kunitz inhibitor complex. An example of multiple protein:protein recognition sites.
1997
10.2210/pdb1mtn/pdb
pdb_00001mtn
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
PINHOLE COLLIMATOR
IMAGE PLATE
RIGAKU RAXIS II
GRAPHITE(002)
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RUH2R
1253.511
ALPHA-CHYMOTRYPSIN
3.4.21.1
2
nat
polymer
13934.556
ALPHA-CHYMOTRYPSIN
3.4.21.1
2
nat
polymer
10074.495
ALPHA-CHYMOTRYPSIN
3.4.21.1
2
nat
polymer
6527.568
BASIC PANCREATIC TRYPSIN INHIBITOR
2
nat
polymer
96.063
SULFATE ION
4
syn
non-polymer
18.015
water
80
nat
water
A-CHT
A-CHT
A-CHT
BPTI, KUNITZ TYPE
no
no
CGVPAIQPVLSGL
CGVPAIQPVLSGL
A,E
polypeptide(L)
no
no
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
B,F
polypeptide(L)
no
no
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
C,G
polypeptide(L)
no
no
RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
D,H
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
cattle
Bos
sample
9913
PANCREAS
Bos taurus
cattle
Bos
sample
9913
PANCREAS
Bos taurus
cattle
Bos
sample
9913
PANCREAS
Bos taurus
cattle
Bos
sample
9913
PANCREAS
Bos taurus
1
4.94
74.
6.0
pH 6.0
diffrn_detector
pdbx_unobs_or_zero_occ_atoms
pdbx_unobs_or_zero_occ_residues
database_2
pdbx_initial_refinement_model
pdbx_unobs_or_zero_occ_atoms
pdbx_unobs_or_zero_occ_residues
struct_site
repository
Initial release
Version format compliance
Version format compliance
Advisory
Data collection
Advisory
Database references
Derived calculations
Refinement description
1
0
1996-08-17
1
1
2008-03-24
1
2
2011-07-13
1
3
2018-03-21
1
4
2023-08-09
_diffrn_detector.pdbx_collection_date
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1996-03-28
REL
REL
SO4
SULFATE ION
HOH
water
THE ALPHA CHYMOTRYPSIN MOLECULE IS COMPRISED OF THREE
POLYPEPTIDE CHAINS WHICH ARE DERIVED FROM THE ZYMOGEN OF
THIS ENZYME BY EXCISION OF RESIDUES 14 - 15 AND 147 - 148.
2CHA
PDB
experimental model
SO4
600
5
SO4
SO4
600
D
SO4
800
5
SO4
SO4
800
D
SO4
500
5
SO4
SO4
500
H
SO4
700
5
SO4
SO4
700
H
HOH
416
6
HOH
HOH
416
B
HOH
418
6
HOH
HOH
418
B
HOH
420
6
HOH
HOH
420
B
HOH
423
6
HOH
HOH
423
B
HOH
425
6
HOH
HOH
425
B
HOH
427
6
HOH
HOH
427
B
HOH
437
6
HOH
HOH
437
B
HOH
439
6
HOH
HOH
439
B
HOH
442
6
HOH
HOH
442
B
HOH
443
6
HOH
HOH
443
B
HOH
450
6
HOH
HOH
450
B
HOH
451
6
HOH
HOH
451
B
HOH
459
6
HOH
HOH
459
B
HOH
464
6
HOH
HOH
464
B
HOH
473
6
HOH
HOH
473
B
HOH
476
6
HOH
HOH
476
B
HOH
402
6
HOH
HOH
402
C
HOH
408
6
HOH
HOH
408
C
HOH
410
6
HOH
HOH
410
C
HOH
417
6
HOH
HOH
417
C
HOH
419
6
HOH
HOH
419
C
HOH
430
6
HOH
HOH
430
C
HOH
432
6
HOH
HOH
432
C
HOH
436
6
HOH
HOH
436
C
HOH
444
6
HOH
HOH
444
C
HOH
453
6
HOH
HOH
453
C
HOH
460
6
HOH
HOH
460
C
HOH
461
6
HOH
HOH
461
C
HOH
462
6
HOH
HOH
462
C
HOH
465
6
HOH
HOH
465
C
HOH
401
6
HOH
HOH
401
D
HOH
407
6
HOH
HOH
407
D
HOH
411
6
HOH
HOH
411
D
HOH
413
6
HOH
HOH
413
D
HOH
422
6
HOH
HOH
422
D
HOH
426
6
HOH
HOH
426
D
HOH
429
6
HOH
HOH
429
D
HOH
447
6
HOH
HOH
447
D
HOH
449
6
HOH
HOH
449
D
HOH
468
6
HOH
HOH
468
D
HOH
478
6
HOH
HOH
478
D
HOH
471
6
HOH
HOH
471
E
HOH
475
6
HOH
HOH
475
E
HOH
404
6
HOH
HOH
404
F
HOH
409
6
HOH
HOH
409
F
HOH
421
6
HOH
HOH
421
F
HOH
428
6
HOH
HOH
428
F
HOH
434
6
HOH
HOH
434
F
HOH
445
6
HOH
HOH
445
F
HOH
448
6
HOH
HOH
448
F
HOH
458
6
HOH
HOH
458
F
HOH
466
6
HOH
HOH
466
F
HOH
472
6
HOH
HOH
472
F
HOH
474
6
HOH
HOH
474
F
HOH
480
6
HOH
HOH
480
F
HOH
403
6
HOH
HOH
403
G
HOH
412
6
HOH
HOH
412
G
HOH
424
6
HOH
HOH
424
G
HOH
431
6
HOH
HOH
431
G
HOH
433
6
HOH
HOH
433
G
HOH
438
6
HOH
HOH
438
G
HOH
446
6
HOH
HOH
446
G
HOH
454
6
HOH
HOH
454
G
HOH
455
6
HOH
HOH
455
G
HOH
467
6
HOH
HOH
467
G
HOH
405
6
HOH
HOH
405
H
HOH
406
6
HOH
HOH
406
H
HOH
414
6
HOH
HOH
414
H
HOH
415
6
HOH
HOH
415
H
HOH
435
6
HOH
HOH
435
H
HOH
440
6
HOH
HOH
440
H
HOH
441
6
HOH
HOH
441
H
HOH
452
6
HOH
HOH
452
H
HOH
456
6
HOH
HOH
456
H
HOH
457
6
HOH
HOH
457
H
HOH
463
6
HOH
HOH
463
H
HOH
469
6
HOH
HOH
469
H
HOH
470
6
HOH
HOH
470
H
HOH
477
6
HOH
HOH
477
H
HOH
479
6
HOH
HOH
479
H
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
SER
11
n
11
SER
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
ARG
301
n
1
ARG
301
D
PRO
302
n
2
PRO
302
D
ASP
303
n
3
ASP
303
D
PHE
304
n
4
PHE
304
D
CYS
305
n
5
CYS
305
D
LEU
306
n
6
LEU
306
D
GLU
307
n
7
GLU
307
D
PRO
308
n
8
PRO
308
D
PRO
309
n
9
PRO
309
D
TYR
310
n
10
TYR
310
D
THR
311
n
11
THR
311
D
GLY
312
n
12
GLY
312
D
PRO
313
n
13
PRO
313
D
CYS
314
n
14
CYS
314
D
LYS
315
n
15
LYS
315
D
ALA
316
n
16
ALA
316
D
ARG
317
n
17
ARG
317
D
ILE
318
n
18
ILE
318
D
ILE
319
n
19
ILE
319
D
ARG
320
n
20
ARG
320
D
TYR
321
n
21
TYR
321
D
PHE
322
n
22
PHE
322
D
TYR
323
n
23
TYR
323
D
ASN
324
n
24
ASN
324
D
ALA
325
n
25
ALA
325
D
LYS
326
n
26
LYS
326
D
ALA
327
n
27
ALA
327
D
GLY
328
n
28
GLY
328
D
LEU
329
n
29
LEU
329
D
CYS
330
n
30
CYS
330
D
GLN
331
n
31
GLN
331
D
THR
332
n
32
THR
332
D
PHE
333
n
33
PHE
333
D
VAL
334
n
34
VAL
334
D
TYR
335
n
35
TYR
335
D
GLY
336
n
36
GLY
336
D
GLY
337
n
37
GLY
337
D
CYS
338
n
38
CYS
338
D
ARG
339
n
39
ARG
339
D
ALA
340
n
40
ALA
340
D
LYS
341
n
41
LYS
341
D
ARG
342
n
42
ARG
342
D
ASN
343
n
43
ASN
343
D
ASN
344
n
44
ASN
344
D
PHE
345
n
45
PHE
345
D
LYS
346
n
46
LYS
346
D
SER
347
n
47
SER
347
D
ALA
348
n
48
ALA
348
D
GLU
349
n
49
GLU
349
D
ASP
350
n
50
ASP
350
D
CYS
351
n
51
CYS
351
D
MET
352
n
52
MET
352
D
ARG
353
n
53
ARG
353
D
THR
354
n
54
THR
354
D
CYS
355
n
55
CYS
355
D
GLY
356
n
56
GLY
356
D
GLY
357
n
57
GLY
357
D
ALA
358
n
58
ALA
358
D
CYS
1
n
1
CYS
1
E
GLY
2
n
2
GLY
2
E
VAL
3
n
3
VAL
3
E
PRO
4
n
4
PRO
4
E
ALA
5
n
5
ALA
5
E
ILE
6
n
6
ILE
6
E
GLN
7
n
7
GLN
7
E
PRO
8
n
8
PRO
8
E
VAL
9
n
9
VAL
9
E
LEU
10
n
10
LEU
10
E
SER
11
n
11
SER
11
E
n
12
12
E
n
13
13
E
ILE
16
n
1
ILE
16
F
VAL
17
n
2
VAL
17
F
ASN
18
n
3
ASN
18
F
GLY
19
n
4
GLY
19
F
GLU
20
n
5
GLU
20
F
GLU
21
n
6
GLU
21
F
ALA
22
n
7
ALA
22
F
VAL
23
n
8
VAL
23
F
PRO
24
n
9
PRO
24
F
GLY
25
n
10
GLY
25
F
SER
26
n
11
SER
26
F
TRP
27
n
12
TRP
27
F
PRO
28
n
13
PRO
28
F
TRP
29
n
14
TRP
29
F
GLN
30
n
15
GLN
30
F
VAL
31
n
16
VAL
31
F
SER
32
n
17
SER
32
F
LEU
33
n
18
LEU
33
F
GLN
34
n
19
GLN
34
F
ASP
35
n
20
ASP
35
F
LYS
36
n
21
LYS
36
F
THR
37
n
22
THR
37
F
GLY
38
n
23
GLY
38
F
PHE
39
n
24
PHE
39
F
HIS
40
n
25
HIS
40
F
PHE
41
n
26
PHE
41
F
CYS
42
n
27
CYS
42
F
GLY
43
n
28
GLY
43
F
GLY
44
n
29
GLY
44
F
SER
45
n
30
SER
45
F
LEU
46
n
31
LEU
46
F
ILE
47
n
32
ILE
47
F
ASN
48
n
33
ASN
48
F
GLU
49
n
34
GLU
49
F
ASN
50
n
35
ASN
50
F
TRP
51
n
36
TRP
51
F
VAL
52
n
37
VAL
52
F
VAL
53
n
38
VAL
53
F
THR
54
n
39
THR
54
F
ALA
55
n
40
ALA
55
F
ALA
56
n
41
ALA
56
F
HIS
57
n
42
HIS
57
F
CYS
58
n
43
CYS
58
F
GLY
59
n
44
GLY
59
F
VAL
60
n
45
VAL
60
F
THR
61
n
46
THR
61
F
THR
62
n
47
THR
62
F
SER
63
n
48
SER
63
F
ASP
64
n
49
ASP
64
F
VAL
65
n
50
VAL
65
F
VAL
66
n
51
VAL
66
F
VAL
67
n
52
VAL
67
F
ALA
68
n
53
ALA
68
F
GLY
69
n
54
GLY
69
F
GLU
70
n
55
GLU
70
F
PHE
71
n
56
PHE
71
F
ASP
72
n
57
ASP
72
F
GLN
73
n
58
GLN
73
F
GLY
74
n
59
GLY
74
F
SER
75
n
60
SER
75
F
SER
76
n
61
SER
76
F
SER
77
n
62
SER
77
F
GLU
78
n
63
GLU
78
F
LYS
79
n
64
LYS
79
F
ILE
80
n
65
ILE
80
F
GLN
81
n
66
GLN
81
F
LYS
82
n
67
LYS
82
F
LEU
83
n
68
LEU
83
F
LYS
84
n
69
LYS
84
F
ILE
85
n
70
ILE
85
F
ALA
86
n
71
ALA
86
F
LYS
87
n
72
LYS
87
F
VAL
88
n
73
VAL
88
F
PHE
89
n
74
PHE
89
F
LYS
90
n
75
LYS
90
F
ASN
91
n
76
ASN
91
F
SER
92
n
77
SER
92
F
LYS
93
n
78
LYS
93
F
TYR
94
n
79
TYR
94
F
ASN
95
n
80
ASN
95
F
SER
96
n
81
SER
96
F
LEU
97
n
82
LEU
97
F
THR
98
n
83
THR
98
F
ILE
99
n
84
ILE
99
F
ASN
100
n
85
ASN
100
F
ASN
101
n
86
ASN
101
F
ASP
102
n
87
ASP
102
F
ILE
103
n
88
ILE
103
F
THR
104
n
89
THR
104
F
LEU
105
n
90
LEU
105
F
LEU
106
n
91
LEU
106
F
LYS
107
n
92
LYS
107
F
LEU
108
n
93
LEU
108
F
SER
109
n
94
SER
109
F
THR
110
n
95
THR
110
F
ALA
111
n
96
ALA
111
F
ALA
112
n
97
ALA
112
F
SER
113
n
98
SER
113
F
PHE
114
n
99
PHE
114
F
SER
115
n
100
SER
115
F
GLN
116
n
101
GLN
116
F
THR
117
n
102
THR
117
F
VAL
118
n
103
VAL
118
F
SER
119
n
104
SER
119
F
ALA
120
n
105
ALA
120
F
VAL
121
n
106
VAL
121
F
CYS
122
n
107
CYS
122
F
LEU
123
n
108
LEU
123
F
PRO
124
n
109
PRO
124
F
SER
125
n
110
SER
125
F
ALA
126
n
111
ALA
126
F
SER
127
n
112
SER
127
F
ASP
128
n
113
ASP
128
F
ASP
129
n
114
ASP
129
F
PHE
130
n
115
PHE
130
F
ALA
131
n
116
ALA
131
F
ALA
132
n
117
ALA
132
F
GLY
133
n
118
GLY
133
F
THR
134
n
119
THR
134
F
THR
135
n
120
THR
135
F
CYS
136
n
121
CYS
136
F
VAL
137
n
122
VAL
137
F
THR
138
n
123
THR
138
F
THR
139
n
124
THR
139
F
GLY
140
n
125
GLY
140
F
TRP
141
n
126
TRP
141
F
GLY
142
n
127
GLY
142
F
LEU
143
n
128
LEU
143
F
THR
144
n
129
THR
144
F
ARG
145
n
130
ARG
145
F
TYR
146
n
131
TYR
146
F
ALA
149
n
1
ALA
149
G
ASN
150
n
2
ASN
150
G
THR
151
n
3
THR
151
G
PRO
152
n
4
PRO
152
G
ASP
153
n
5
ASP
153
G
ARG
154
n
6
ARG
154
G
LEU
155
n
7
LEU
155
G
GLN
156
n
8
GLN
156
G
GLN
157
n
9
GLN
157
G
ALA
158
n
10
ALA
158
G
SER
159
n
11
SER
159
G
LEU
160
n
12
LEU
160
G
PRO
161
n
13
PRO
161
G
LEU
162
n
14
LEU
162
G
LEU
163
n
15
LEU
163
G
SER
164
n
16
SER
164
G
ASN
165
n
17
ASN
165
G
THR
166
n
18
THR
166
G
ASN
167
n
19
ASN
167
G
CYS
168
n
20
CYS
168
G
LYS
169
n
21
LYS
169
G
LYS
170
n
22
LYS
170
G
TYR
171
n
23
TYR
171
G
TRP
172
n
24
TRP
172
G
GLY
173
n
25
GLY
173
G
THR
174
n
26
THR
174
G
LYS
175
n
27
LYS
175
G
ILE
176
n
28
ILE
176
G
LYS
177
n
29
LYS
177
G
ASP
178
n
30
ASP
178
G
ALA
179
n
31
ALA
179
G
MET
180
n
32
MET
180
G
ILE
181
n
33
ILE
181
G
CYS
182
n
34
CYS
182
G
ALA
183
n
35
ALA
183
G
GLY
184
n
36
GLY
184
G
ALA
185
n
37
ALA
185
G
SER
186
n
38
SER
186
G
GLY
187
n
39
GLY
187
G
VAL
188
n
40
VAL
188
G
SER
189
n
41
SER
189
G
SER
190
n
42
SER
190
G
CYS
191
n
43
CYS
191
G
MET
192
n
44
MET
192
G
GLY
193
n
45
GLY
193
G
ASP
194
n
46
ASP
194
G
SER
195
n
47
SER
195
G
GLY
196
n
48
GLY
196
G
GLY
197
n
49
GLY
197
G
PRO
198
n
50
PRO
198
G
LEU
199
n
51
LEU
199
G
VAL
200
n
52
VAL
200
G
CYS
201
n
53
CYS
201
G
LYS
202
n
54
LYS
202
G
LYS
203
n
55
LYS
203
G
ASN
204
n
56
ASN
204
G
GLY
205
n
57
GLY
205
G
ALA
206
n
58
ALA
206
G
TRP
207
n
59
TRP
207
G
THR
208
n
60
THR
208
G
LEU
209
n
61
LEU
209
G
VAL
210
n
62
VAL
210
G
GLY
211
n
63
GLY
211
G
ILE
212
n
64
ILE
212
G
VAL
213
n
65
VAL
213
G
SER
214
n
66
SER
214
G
TRP
215
n
67
TRP
215
G
GLY
216
n
68
GLY
216
G
SER
217
n
69
SER
217
G
SER
218
n
70
SER
218
G
THR
219
n
71
THR
219
G
CYS
220
n
72
CYS
220
G
SER
221
n
73
SER
221
G
THR
222
n
74
THR
222
G
SER
223
n
75
SER
223
G
THR
224
n
76
THR
224
G
PRO
225
n
77
PRO
225
G
GLY
226
n
78
GLY
226
G
VAL
227
n
79
VAL
227
G
TYR
228
n
80
TYR
228
G
ALA
229
n
81
ALA
229
G
ARG
230
n
82
ARG
230
G
VAL
231
n
83
VAL
231
G
THR
232
n
84
THR
232
G
ALA
233
n
85
ALA
233
G
LEU
234
n
86
LEU
234
G
VAL
235
n
87
VAL
235
G
ASN
236
n
88
ASN
236
G
TRP
237
n
89
TRP
237
G
VAL
238
n
90
VAL
238
G
GLN
239
n
91
GLN
239
G
GLN
240
n
92
GLN
240
G
THR
241
n
93
THR
241
G
LEU
242
n
94
LEU
242
G
ALA
243
n
95
ALA
243
G
ALA
244
n
96
ALA
244
G
ASN
245
n
97
ASN
245
G
ARG
301
n
1
ARG
301
H
PRO
302
n
2
PRO
302
H
ASP
303
n
3
ASP
303
H
PHE
304
n
4
PHE
304
H
CYS
305
n
5
CYS
305
H
LEU
306
n
6
LEU
306
H
GLU
307
n
7
GLU
307
H
PRO
308
n
8
PRO
308
H
PRO
309
n
9
PRO
309
H
TYR
310
n
10
TYR
310
H
THR
311
n
11
THR
311
H
GLY
312
n
12
GLY
312
H
PRO
313
n
13
PRO
313
H
CYS
314
n
14
CYS
314
H
LYS
315
n
15
LYS
315
H
ALA
316
n
16
ALA
316
H
ARG
317
n
17
ARG
317
H
ILE
318
n
18
ILE
318
H
ILE
319
n
19
ILE
319
H
ARG
320
n
20
ARG
320
H
TYR
321
n
21
TYR
321
H
PHE
322
n
22
PHE
322
H
TYR
323
n
23
TYR
323
H
ASN
324
n
24
ASN
324
H
ALA
325
n
25
ALA
325
H
LYS
326
n
26
LYS
326
H
ALA
327
n
27
ALA
327
H
GLY
328
n
28
GLY
328
H
LEU
329
n
29
LEU
329
H
CYS
330
n
30
CYS
330
H
GLN
331
n
31
GLN
331
H
THR
332
n
32
THR
332
H
PHE
333
n
33
PHE
333
H
VAL
334
n
34
VAL
334
H
TYR
335
n
35
TYR
335
H
GLY
336
n
36
GLY
336
H
GLY
337
n
37
GLY
337
H
CYS
338
n
38
CYS
338
H
ARG
339
n
39
ARG
339
H
ALA
340
n
40
ALA
340
H
LYS
341
n
41
LYS
341
H
ARG
342
n
42
ARG
342
H
ASN
343
n
43
ASN
343
H
ASN
344
n
44
ASN
344
H
PHE
345
n
45
PHE
345
H
LYS
346
n
46
LYS
346
H
SER
347
n
47
SER
347
H
ALA
348
n
48
ALA
348
H
GLU
349
n
49
GLU
349
H
ASP
350
n
50
ASP
350
H
CYS
351
n
51
CYS
351
H
MET
352
n
52
MET
352
H
ARG
353
n
53
ARG
353
H
THR
354
n
54
THR
354
H
CYS
355
n
55
CYS
355
H
GLY
356
n
56
GLY
356
H
GLY
357
n
57
GLY
357
H
ALA
358
n
58
ALA
358
H
0.18
0.248
3.8
author_and_software_defined_assembly
PISA
4
tetrameric
author_and_software_defined_assembly
PISA
4
tetrameric
software_defined_assembly
PISA
8
octameric
8930
-93
13030
9060
-92
12880
20340
-208
23550
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
SER
45
B
O
SER
30
B
N
VAL
53
B
N
VAL
38
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
GLN
156
C
O
GLN
8
B
N
GLY
140
B
N
GLY
125
B
O
VAL
137
B
O
VAL
122
C
N
VAL
200
C
N
VAL
52
C
O
LEU
199
C
O
LEU
51
C
N
GLY
211
C
N
GLY
63
C
O
ILE
212
C
O
ILE
64
C
N
ALA
229
C
N
ALA
81
C
O
GLY
226
C
O
GLY
78
C
N
ALA
183
C
N
ALA
35
D
O
ILE
318
D
O
ILE
18
D
N
TYR
335
D
N
TYR
35
F
O
GLN
81
F
O
GLN
66
F
N
ALA
68
F
N
ALA
53
F
O
VAL
65
F
O
VAL
50
F
N
GLN
34
F
N
GLN
19
F
O
VAL
31
F
O
VAL
16
F
N
GLY
44
F
N
GLY
29
F
O
VAL
52
F
O
VAL
37
F
N
LEU
106
F
N
LEU
91
F
O
LEU
105
F
O
LEU
90
F
N
PHE
89
F
N
PHE
74
G
O
GLN
156
G
O
GLN
8
F
N
GLY
140
F
N
GLY
125
F
O
VAL
137
F
O
VAL
122
G
N
VAL
200
G
N
VAL
52
G
O
LEU
199
G
O
LEU
51
G
N
GLY
211
G
N
GLY
63
G
O
ILE
212
G
O
ILE
64
G
N
ALA
229
G
N
ALA
81
G
O
GLY
226
G
O
GLY
78
G
N
ALA
183
G
N
ALA
35
H
O
ILE
318
H
O
ILE
18
H
N
TYR
335
H
N
TYR
35
1
A
CD
GLN
7
A
CD
GLN
7
0
Y
1
A
OE1
GLN
7
A
OE1
GLN
7
0
Y
1
A
CA
SER
11
A
CA
SER
11
0
Y
1
A
C
SER
11
A
C
SER
11
0
Y
1
A
O
SER
11
A
O
SER
11
0
Y
1
A
CB
SER
11
A
CB
SER
11
0
Y
1
A
OG
SER
11
A
OG
SER
11
0
Y
1
B
OD1
ASN
18
B
OD1
ASN
3
0
Y
1
B
OE2
GLU
21
B
OE2
GLU
6
0
Y
1
B
CD
LYS
36
B
CD
LYS
21
0
Y
1
B
CE
LYS
36
B
CE
LYS
21
0
Y
1
B
NZ
LYS
36
B
NZ
LYS
21
0
Y
1
B
OE1
GLU
49
B
OE1
GLU
34
0
Y
1
B
OD1
ASN
50
B
OD1
ASN
35
0
Y
1
B
ND2
ASN
50
B
ND2
ASN
35
0
Y
1
B
CD
GLU
70
B
CD
GLU
55
0
Y
1
B
OE1
GLU
70
B
OE1
GLU
55
0
Y
1
B
OE2
GLU
70
B
OE2
GLU
55
0
Y
1
B
C
GLY
74
B
C
GLY
59
0
Y
1
B
O
GLY
74
B
O
GLY
59
0
Y
1
B
O
SER
75
B
O
SER
60
0
Y
1
B
CG
LYS
79
B
CG
LYS
64
0
Y
1
B
CD
LYS
79
B
CD
LYS
64
0
Y
1
B
CE
LYS
79
B
CE
LYS
64
0
Y
1
B
NZ
LYS
79
B
NZ
LYS
64
0
Y
1
B
CD
LYS
82
B
CD
LYS
67
0
Y
1
B
CE
LYS
82
B
CE
LYS
67
0
Y
1
B
NZ
LYS
82
B
NZ
LYS
67
0
Y
1
B
CD
LYS
84
B
CD
LYS
69
0
Y
1
B
CE
LYS
84
B
CE
LYS
69
0
Y
1
B
NZ
LYS
84
B
NZ
LYS
69
0
Y
1
B
CG
LYS
87
B
CG
LYS
72
0
Y
1
B
CD
LYS
87
B
CD
LYS
72
0
Y
1
B
CE
LYS
87
B
CE
LYS
72
0
Y
1
B
NZ
LYS
87
B
NZ
LYS
72
0
Y
1
B
CD
LYS
90
B
CD
LYS
75
0
Y
1
B
CE
LYS
90
B
CE
LYS
75
0
Y
1
B
NZ
LYS
90
B
NZ
LYS
75
0
Y
1
B
OG
SER
92
B
OG
SER
77
0
Y
1
B
CD
LYS
93
B
CD
LYS
78
0
Y
1
B
CE
LYS
93
B
CE
LYS
78
0
Y
1
B
NZ
LYS
93
B
NZ
LYS
78
0
Y
1
B
ND2
ASN
95
B
ND2
ASN
80
0
Y
1
B
NZ
LYS
107
B
NZ
LYS
92
0
Y
1
B
CG
GLN
116
B
CG
GLN
101
0
Y
1
B
CD
GLN
116
B
CD
GLN
101
0
Y
1
B
OE1
GLN
116
B
OE1
GLN
101
0
Y
1
B
NE2
GLN
116
B
NE2
GLN
101
0
Y
1
B
OG
SER
125
B
OG
SER
110
0
Y
1
B
CG
ARG
145
B
CG
ARG
130
0
Y
1
B
CD
ARG
145
B
CD
ARG
130
0
Y
1
B
NE
ARG
145
B
NE
ARG
130
0
Y
1
B
CZ
ARG
145
B
CZ
ARG
130
0
Y
1
B
NH1
ARG
145
B
NH1
ARG
130
0
Y
1
B
NH2
ARG
145
B
NH2
ARG
130
0
Y
1
B
O
TYR
146
B
O
TYR
131
0
Y
1
B
CB
TYR
146
B
CB
TYR
131
0
Y
1
B
CG
TYR
146
B
CG
TYR
131
0
Y
1
B
CD1
TYR
146
B
CD1
TYR
131
0
Y
1
B
CD2
TYR
146
B
CD2
TYR
131
0
Y
1
B
CE1
TYR
146
B
CE1
TYR
131
0
Y
1
B
CE2
TYR
146
B
CE2
TYR
131
0
Y
1
B
CZ
TYR
146
B
CZ
TYR
131
0
Y
1
B
OH
TYR
146
B
OH
TYR
131
0
Y
1
B
OXT
TYR
146
B
OXT
TYR
131
0
Y
1
C
N
ASN
150
C
N
ASN
2
0
Y
1
C
CB
ASN
150
C
CB
ASN
2
0
Y
1
C
CG
ASN
150
C
CG
ASN
2
0
Y
1
C
OD1
ASN
150
C
OD1
ASN
2
0
Y
1
C
ND2
ASN
150
C
ND2
ASN
2
0
Y
1
C
CD
ARG
154
C
CD
ARG
6
0
Y
1
C
NE
ARG
154
C
NE
ARG
6
0
Y
1
C
CZ
ARG
154
C
CZ
ARG
6
0
Y
1
C
NH1
ARG
154
C
NH1
ARG
6
0
Y
1
C
NH2
ARG
154
C
NH2
ARG
6
0
Y
1
C
CG
ASN
167
C
CG
ASN
19
0
Y
1
C
OD1
ASN
167
C
OD1
ASN
19
0
Y
1
C
ND2
ASN
167
C
ND2
ASN
19
0
Y
1
C
CE
LYS
170
C
CE
LYS
22
0
Y
1
C
NZ
LYS
170
C
NZ
LYS
22
0
Y
1
C
CG
ASP
178
C
CG
ASP
30
0
Y
1
C
OD1
ASP
178
C
OD1
ASP
30
0
Y
1
C
OD2
ASP
178
C
OD2
ASP
30
0
Y
1
C
NZ
LYS
202
C
NZ
LYS
54
0
Y
1
C
CB
LYS
203
C
CB
LYS
55
0
Y
1
C
CG
LYS
203
C
CG
LYS
55
0
Y
1
C
CD
LYS
203
C
CD
LYS
55
0
Y
1
C
CE
LYS
203
C
CE
LYS
55
0
Y
1
C
NZ
LYS
203
C
NZ
LYS
55
0
Y
1
C
CG
ASN
204
C
CG
ASN
56
0
Y
1
C
OD1
ASN
204
C
OD1
ASN
56
0
Y
1
C
ND2
ASN
204
C
ND2
ASN
56
0
Y
1
C
CG
ASN
236
C
CG
ASN
88
0
Y
1
C
OD1
ASN
236
C
OD1
ASN
88
0
Y
1
C
ND2
ASN
236
C
ND2
ASN
88
0
Y
1
C
OE1
GLN
239
C
OE1
GLN
91
0
Y
1
C
NE2
GLN
239
C
NE2
GLN
91
0
Y
1
C
CG
GLN
240
C
CG
GLN
92
0
Y
1
C
CD
GLN
240
C
CD
GLN
92
0
Y
1
C
OE1
GLN
240
C
OE1
GLN
92
0
Y
1
C
NE2
GLN
240
C
NE2
GLN
92
0
Y
1
C
O
ASN
245
C
O
ASN
97
0
Y
1
C
OXT
ASN
245
C
OXT
ASN
97
0
Y
1
D
CG
ARG
301
D
CG
ARG
1
0
Y
1
D
CD
ARG
301
D
CD
ARG
1
0
Y
1
D
NE
ARG
301
D
NE
ARG
1
0
Y
1
D
CZ
ARG
301
D
CZ
ARG
1
0
Y
1
D
NH1
ARG
301
D
NH1
ARG
1
0
Y
1
D
NH2
ARG
301
D
NH2
ARG
1
0
Y
1
D
CG
ASP
303
D
CG
ASP
3
0
Y
1
D
OD1
ASP
303
D
OD1
ASP
3
0
Y
1
D
OD2
ASP
303
D
OD2
ASP
3
0
Y
1
D
CG
LYS
326
D
CG
LYS
26
0
Y
1
D
CD
LYS
326
D
CD
LYS
26
0
Y
1
D
CE
LYS
326
D
CE
LYS
26
0
Y
1
D
NZ
LYS
326
D
NZ
LYS
26
0
Y
1
D
CD
LYS
346
D
CD
LYS
46
0
Y
1
D
CE
LYS
346
D
CE
LYS
46
0
Y
1
D
NZ
LYS
346
D
NZ
LYS
46
0
Y
1
D
OE1
GLU
349
D
OE1
GLU
49
0
Y
1
D
OE2
GLU
349
D
OE2
GLU
49
0
Y
1
D
CD
ARG
353
D
CD
ARG
53
0
Y
1
D
NE
ARG
353
D
NE
ARG
53
0
Y
1
D
CZ
ARG
353
D
CZ
ARG
53
0
Y
1
D
NH1
ARG
353
D
NH1
ARG
53
0
Y
1
D
NH2
ARG
353
D
NH2
ARG
53
0
Y
1
D
O
ALA
358
D
O
ALA
58
0
Y
1
D
OXT
ALA
358
D
OXT
ALA
58
0
Y
1
E
O
LEU
10
E
O
LEU
10
0
Y
1
E
CD1
LEU
10
E
CD1
LEU
10
0
Y
1
E
CD2
LEU
10
E
CD2
LEU
10
0
Y
1
E
C
SER
11
E
C
SER
11
0
Y
1
E
O
SER
11
E
O
SER
11
0
Y
1
E
CB
SER
11
E
CB
SER
11
0
Y
1
E
OG
SER
11
E
OG
SER
11
0
Y
1
F
CG
ASN
18
F
CG
ASN
3
0
Y
1
F
OD1
ASN
18
F
OD1
ASN
3
0
Y
1
F
ND2
ASN
18
F
ND2
ASN
3
0
Y
1
F
CD
GLU
20
F
CD
GLU
5
0
Y
1
F
OE1
GLU
20
F
OE1
GLU
5
0
Y
1
F
OE2
GLU
20
F
OE2
GLU
5
0
Y
1
F
OE1
GLU
21
F
OE1
GLU
6
0
Y
1
F
OE2
GLU
21
F
OE2
GLU
6
0
Y
1
F
CD
LYS
36
F
CD
LYS
21
0
Y
1
F
CE
LYS
36
F
CE
LYS
21
0
Y
1
F
NZ
LYS
36
F
NZ
LYS
21
0
Y
1
F
O
SER
75
F
O
SER
60
0
Y
1
F
N
SER
76
F
N
SER
61
0
Y
1
F
CA
SER
76
F
CA
SER
61
0
Y
1
F
C
SER
76
F
C
SER
61
0
Y
1
F
O
SER
76
F
O
SER
61
0
Y
1
F
OG
SER
76
F
OG
SER
61
0
Y
1
F
N
LYS
79
F
N
LYS
64
0
Y
1
F
CA
LYS
79
F
CA
LYS
64
0
Y
1
F
CB
LYS
79
F
CB
LYS
64
0
Y
1
F
CG
LYS
79
F
CG
LYS
64
0
Y
1
F
CD
LYS
79
F
CD
LYS
64
0
Y
1
F
CE
LYS
79
F
CE
LYS
64
0
Y
1
F
NZ
LYS
79
F
NZ
LYS
64
0
Y
1
F
CD
LYS
82
F
CD
LYS
67
0
Y
1
F
CE
LYS
82
F
CE
LYS
67
0
Y
1
F
NZ
LYS
82
F
NZ
LYS
67
0
Y
1
F
CD
LYS
84
F
CD
LYS
69
0
Y
1
F
CE
LYS
84
F
CE
LYS
69
0
Y
1
F
NZ
LYS
84
F
NZ
LYS
69
0
Y
1
F
CB
LYS
87
F
CB
LYS
72
0
Y
1
F
CG
LYS
87
F
CG
LYS
72
0
Y
1
F
CD
LYS
87
F
CD
LYS
72
0
Y
1
F
CE
LYS
87
F
CE
LYS
72
0
Y
1
F
NZ
LYS
87
F
NZ
LYS
72
0
Y
1
F
NZ
LYS
90
F
NZ
LYS
75
0
Y
1
F
OG
SER
92
F
OG
SER
77
0
Y
1
F
CG
LYS
93
F
CG
LYS
78
0
Y
1
F
CE
LYS
93
F
CE
LYS
78
0
Y
1
F
NZ
LYS
93
F
NZ
LYS
78
0
Y
1
F
OG
SER
109
F
OG
SER
94
0
Y
1
F
OG
SER
127
F
OG
SER
112
0
Y
1
F
CG
ASP
129
F
CG
ASP
114
0
Y
1
F
OD1
ASP
129
F
OD1
ASP
114
0
Y
1
F
OD2
ASP
129
F
OD2
ASP
114
0
Y
1
F
CB
ALA
131
F
CB
ALA
116
0
Y
1
F
CB
ARG
145
F
CB
ARG
130
0
Y
1
F
CG
ARG
145
F
CG
ARG
130
0
Y
1
F
CD
ARG
145
F
CD
ARG
130
0
Y
1
F
NE
ARG
145
F
NE
ARG
130
0
Y
1
F
CZ
ARG
145
F
CZ
ARG
130
0
Y
1
F
NH1
ARG
145
F
NH1
ARG
130
0
Y
1
F
NH2
ARG
145
F
NH2
ARG
130
0
Y
1
F
OH
TYR
146
F
OH
TYR
131
0
Y
1
F
OXT
TYR
146
F
OXT
TYR
131
0
Y
1
G
OD1
ASP
153
G
OD1
ASP
5
0
Y
1
G
OD2
ASP
153
G
OD2
ASP
5
0
Y
1
G
CD
ARG
154
G
CD
ARG
6
0
Y
1
G
NE
ARG
154
G
NE
ARG
6
0
Y
1
G
CZ
ARG
154
G
CZ
ARG
6
0
Y
1
G
NH1
ARG
154
G
NH1
ARG
6
0
Y
1
G
NH2
ARG
154
G
NH2
ARG
6
0
Y
1
G
CG
ASN
165
G
CG
ASN
17
0
Y
1
G
OD1
ASN
165
G
OD1
ASN
17
0
Y
1
G
ND2
ASN
165
G
ND2
ASN
17
0
Y
1
G
CG
ASN
167
G
CG
ASN
19
0
Y
1
G
OD1
ASN
167
G
OD1
ASN
19
0
Y
1
G
ND2
ASN
167
G
ND2
ASN
19
0
Y
1
G
NZ
LYS
169
G
NZ
LYS
21
0
Y
1
G
CG
LYS
202
G
CG
LYS
54
0
Y
1
G
CD
LYS
202
G
CD
LYS
54
0
Y
1
G
CE
LYS
202
G
CE
LYS
54
0
Y
1
G
NZ
LYS
202
G
NZ
LYS
54
0
Y
1
G
CB
LYS
203
G
CB
LYS
55
0
Y
1
G
CG
LYS
203
G
CG
LYS
55
0
Y
1
G
CD
LYS
203
G
CD
LYS
55
0
Y
1
G
CE
LYS
203
G
CE
LYS
55
0
Y
1
G
NZ
LYS
203
G
NZ
LYS
55
0
Y
1
G
CG
ASN
204
G
CG
ASN
56
0
Y
1
G
OD1
ASN
204
G
OD1
ASN
56
0
Y
1
G
ND2
ASN
204
G
ND2
ASN
56
0
Y
1
G
CD
GLN
239
G
CD
GLN
91
0
Y
1
G
OE1
GLN
239
G
OE1
GLN
91
0
Y
1
G
NE2
GLN
239
G
NE2
GLN
91
0
Y
1
G
CG
GLN
240
G
CG
GLN
92
0
Y
1
G
CD
GLN
240
G
CD
GLN
92
0
Y
1
G
OE1
GLN
240
G
OE1
GLN
92
0
Y
1
G
NE2
GLN
240
G
NE2
GLN
92
0
Y
1
G
C
ASN
245
G
C
ASN
97
0
Y
1
H
CG
ARG
301
H
CG
ARG
1
0
Y
1
H
CD
ARG
301
H
CD
ARG
1
0
Y
1
H
NE
ARG
301
H
NE
ARG
1
0
Y
1
H
CZ
ARG
301
H
CZ
ARG
1
0
Y
1
H
NH1
ARG
301
H
NH1
ARG
1
0
Y
1
H
NH2
ARG
301
H
NH2
ARG
1
0
Y
1
H
OD1
ASP
303
H
OD1
ASP
3
0
Y
1
H
OD2
ASP
303
H
OD2
ASP
3
0
Y
1
H
CE
LYS
346
H
CE
LYS
46
0
Y
1
H
NZ
LYS
346
H
NZ
LYS
46
0
Y
1
H
OE1
GLU
349
H
OE1
GLU
49
0
Y
1
H
OE2
GLU
349
H
OE2
GLU
49
0
Y
1
H
CD
ARG
353
H
CD
ARG
53
0
Y
1
H
NE
ARG
353
H
NE
ARG
53
0
Y
1
H
CZ
ARG
353
H
CZ
ARG
53
0
Y
1
H
NH1
ARG
353
H
NH1
ARG
53
0
Y
1
H
NH2
ARG
353
H
NH2
ARG
53
0
Y
1
H
OXT
ALA
358
H
OXT
ALA
58
0
Y
1
A
GLY
12
A
GLY
12
1
Y
1
A
LEU
13
A
LEU
13
1
Y
1
B
SER
76
B
SER
61
0
Y
1
B
SER
77
B
SER
62
0
Y
1
B
GLU
78
B
GLU
63
0
Y
1
C
ALA
149
C
ALA
1
0
Y
1
E
GLY
12
E
GLY
12
1
Y
1
E
LEU
13
E
LEU
13
1
Y
1
F
SER
77
F
SER
62
0
Y
1
F
GLU
78
F
GLU
63
0
Y
1
G
ALA
149
G
ALA
1
0
Y
1
G
ASN
150
G
ASN
2
0
Y
1
H
CA
ASP
303
PLANAR
1
C
C
O
O
HOH
HOH
402
432
2.11
1
C
C
O
O
HOH
HOH
402
419
2.15
1
H
H
NE2
O
GLN
HOH
331
457
2.17
1
-7.10
0.90
118.30
111.20
B
B
B
CB
CG
OD1
ASP
ASP
ASP
64
64
64
N
1
5.78
0.90
118.30
124.08
B
B
B
CB
CG
OD2
ASP
ASP
ASP
64
64
64
N
1
-5.82
0.90
118.30
112.48
B
B
B
CB
CG
OD2
ASP
ASP
ASP
128
128
128
N
1
-9.43
1.40
112.40
102.97
B
B
B
CA
CB
CG2
THR
THR
THR
144
144
144
N
1
-5.53
0.90
118.30
112.77
C
C
C
CB
CG
OD2
ASP
ASP
ASP
178
178
178
N
1
-7.59
0.90
118.30
110.71
C
C
C
CB
CG
OD1
ASP
ASP
ASP
194
194
194
N
1
6.75
0.90
118.30
125.05
C
C
C
CB
CG
OD2
ASP
ASP
ASP
194
194
194
N
1
-5.77
0.90
118.30
112.53
D
D
D
CB
CG
OD2
ASP
ASP
ASP
303
303
303
N
1
-15.41
2.10
128.40
112.99
D
D
D
C
N
CD
PRO
PRO
PRO
308
309
309
Y
1
-3.85
0.50
120.30
116.45
D
D
D
NE
CZ
NH2
ARG
ARG
ARG
317
317
317
N
1
13.80
2.20
113.40
127.20
D
D
D
CA
CB
CG
ARG
ARG
ARG
339
339
339
N
1
4.23
0.50
120.30
124.53
D
D
D
NE
CZ
NH1
ARG
ARG
ARG
339
339
339
N
1
-7.40
0.90
118.30
110.90
D
D
D
CB
CG
OD2
ASP
ASP
ASP
350
350
350
N
1
-7.50
0.90
118.30
110.80
F
F
F
CB
CG
OD1
ASP
ASP
ASP
64
64
64
N
1
6.33
0.90
118.30
124.63
F
F
F
CB
CG
OD2
ASP
ASP
ASP
64
64
64
N
1
-5.45
0.90
118.30
112.85
F
F
F
CB
CG
OD1
ASP
ASP
ASP
72
72
72
N
1
-20.16
2.10
128.40
108.24
G
G
G
C
N
CD
THR
PRO
PRO
151
152
152
Y
1
6.11
0.90
118.30
124.41
G
G
G
CB
CG
OD2
ASP
ASP
ASP
194
194
194
N
1
-17.35
2.10
128.40
111.05
G
G
G
C
N
CD
GLY
PRO
PRO
197
198
198
Y
1
12.38
2.00
110.40
122.78
H
H
H
CB
CA
C
ASP
ASP
ASP
303
303
303
N
1
-3.35
0.50
120.30
116.95
H
H
H
NE
CZ
NH2
ARG
ARG
ARG
339
339
339
N
1
-3.70
0.50
120.30
116.60
H
H
H
NE
CZ
NH2
ARG
ARG
ARG
342
342
342
N
1
5.47
0.90
118.30
123.77
H
H
H
CB
CG
OD1
ASP
ASP
ASP
350
350
350
N
1
-6.83
0.90
118.30
111.47
H
H
H
CB
CG
OD2
ASP
ASP
ASP
350
350
350
N
1
B
B
CD
OE2
GLU
GLU
21
21
0.073
0.011
1.252
1.325
N
1
B
B
CD
OE1
GLU
GLU
70
70
0.070
0.011
1.252
1.322
N
1
F
F
CD
OE1
GLU
GLU
20
20
0.066
0.011
1.252
1.318
N
1
F
F
CD
OE2
GLU
GLU
49
49
0.066
0.011
1.252
1.318
N
1
F
F
CD
OE1
GLU
GLU
70
70
0.074
0.011
1.252
1.326
N
1
D
H
NE2
O
GLN
HOH
331
457
2.19
1_555
5_564
1
A
LEU
10
91.50
-65.09
1
B
THR
37
-68.91
2.88
1
B
ASN
48
175.13
178.94
1
B
THR
62
-45.66
-15.80
1
B
PHE
71
-171.15
-42.46
1
B
SER
76
-24.88
-44.53
1
B
GLU
78
-119.66
-153.23
1
B
LYS
79
-119.56
64.37
1
B
SER
115
-137.79
-139.70
1
B
LEU
143
-30.02
143.99
1
C
LEU
155
-38.42
141.18
1
C
LYS
170
-55.55
-4.07
1
C
ALA
179
-88.53
38.11
1
C
SER
214
-114.34
-72.28
1
D
PRO
302
-42.76
157.03
1
D
ASN
344
-173.16
97.90
1
D
SER
347
-175.40
148.54
1
F
GLN
30
-66.87
98.31
1
F
LYS
36
-27.62
-71.21
1
F
THR
37
-64.74
11.67
1
F
ASN
48
-169.55
-165.85
1
F
GLU
70
-59.90
170.59
1
F
PHE
71
-163.61
-56.60
1
F
SER
76
-26.26
-37.79
1
F
GLU
78
-139.14
-155.98
1
F
ILE
99
73.51
47.46
1
F
ALA
126
-39.94
-24.57
1
F
LEU
143
-38.45
153.81
1
G
LYS
170
-57.02
-6.22
1
G
TYR
171
-125.69
-50.36
1
G
ALA
179
-82.04
37.75
1
G
MET
192
-41.81
167.11
1
G
SER
214
-123.32
-74.57
1
G
SER
218
-52.28
-5.10
1
H
PRO
302
-47.79
154.81
1
H
CYS
305
-56.55
-9.64
1
H
ASN
344
-162.99
103.79
B FACTORS FOR SULFATE IONS ARE HIGHER THAN AVERAGE.
0.24
2.8
20.0
27254
3.8
1
MOLECULAR REPLACEMENT
2CHA
2.8
20.0
80
4520
20
0
4420
0.013
0.02
2.48
0.018
0.02
1MTN
27327
0.096
1
3.9
90.3
data reduction
MOSFLM
phasing
AMoRE
refinement
TNT
BOVINE ALPHA-CHYMOTRYPSIN:BPTI CRYSTALLIZATION
1
N
N
2
N
N
3
N
N
4
N
N
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
5
N
N
5
N
N
6
N
N
6
N
N
6
N
N
6
N
N
6
N
N
6
N
N
6
N
N
THE TWO INDEPENDENT CHYMOTRYPSIN MOLECULES IN THE
ASYMMETRIC UNIT HAVE BEEN ASSIGNED CHAIN IDENTIFIERS A, B,
C, AND E, F, G. THE TRANSFORMATION SUPPLIED IN THE *MTRIX*
RECORDS BELOW WILL GENERATE APPROXIMATE COORDINATES FOR
CHAINS E, F, F WHEN APPLIED TO CHAINS A, B, C.
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
244
C
ALA
96
1
3
14
D
PHE
304
D
PHE
4
HELX_P
D
LEU
306
D
LEU
6
5
4
3
D
ALA
348
D
ALA
48
HELX_P
D
CYS
355
D
CYS
55
1
5
8
F
ALA
56
F
ALA
41
HELX_P
F
CYS
58
F
CYS
43
5
6
3
G
ASN
165
G
ASN
17
HELX_P
G
LYS
175
G
LYS
27
1
7
11
G
LYS
203
G
LYS
55
HELX_P
G
GLY
205
G
GLY
57
5
8
3
G
VAL
231
G
VAL
83
HELX_P
G
ALA
244
G
ALA
96
1
9
14
H
ASP
303
H
ASP
3
HELX_P
H
LEU
306
H
LEU
6
5
10
4
H
ALA
348
H
ALA
48
HELX_P
H
CYS
355
H
CYS
55
1
11
8
disulf
2.018
A
CYS
1
A
SG
CYS
1
1_555
B
CYS
122
B
SG
CYS
107
1_555
disulf
2.031
B
CYS
42
B
SG
CYS
27
1_555
B
CYS
58
B
SG
CYS
43
1_555
disulf
2.064
B
CYS
136
B
SG
CYS
121
1_555
C
CYS
201
C
SG
CYS
53
1_555
disulf
2.030
C
CYS
168
C
SG
CYS
20
1_555
C
CYS
182
C
SG
CYS
34
1_555
disulf
2.053
C
CYS
191
C
SG
CYS
43
1_555
C
CYS
220
C
SG
CYS
72
1_555
disulf
2.043
D
CYS
305
D
SG
CYS
5
1_555
D
CYS
355
D
SG
CYS
55
1_555
disulf
2.044
D
CYS
314
D
SG
CYS
14
1_555
D
CYS
338
D
SG
CYS
38
1_555
disulf
1.994
D
CYS
330
D
SG
CYS
30
1_555
D
CYS
351
D
SG
CYS
51
1_555
disulf
2.045
E
CYS
1
E
SG
CYS
1
1_555
F
CYS
122
F
SG
CYS
107
1_555
disulf
2.038
F
CYS
42
F
SG
CYS
27
1_555
F
CYS
58
F
SG
CYS
43
1_555
disulf
2.044
F
CYS
136
F
SG
CYS
121
1_555
G
CYS
201
G
SG
CYS
53
1_555
disulf
1.999
G
CYS
168
G
SG
CYS
20
1_555
G
CYS
182
G
SG
CYS
34
1_555
disulf
2.060
G
CYS
191
G
SG
CYS
43
1_555
G
CYS
220
G
SG
CYS
72
1_555
disulf
2.027
H
CYS
305
H
SG
CYS
5
1_555
H
CYS
355
H
SG
CYS
55
1_555
disulf
2.039
H
CYS
314
H
SG
CYS
14
1_555
H
CYS
338
H
SG
CYS
38
1_555
disulf
2.006
H
CYS
330
H
SG
CYS
30
1_555
H
CYS
351
H
SG
CYS
51
1_555
COMPLEX (HYDROLASE/INHIBITOR)
COMPLEX, PROTEASE INHIBITOR, TRYPSIN, HYDROLASE, SERINE, COMPLEX (HYDROLASE-INHIBITOR) COMPLEX
given
0.620000
0.784000
-0.014000
0.784000
-0.621000
-0.011000
-0.017000
-0.005000
-1.000000
-49.63000
103.27000
35.90000
CTRA_BOVIN
UNP
1
1
P00766
CTRA_BOVIN
UNP
2
16
P00766
CTRA_BOVIN
UNP
3
149
P00766
BPT1_BOVIN
UNP
4
36
P00974
1
13
1MTN
1
13
P00766
A
1
1
13
16
146
1MTN
16
146
P00766
B
2
1
131
149
245
1MTN
149
245
P00766
C
3
1
97
36
93
1MTN
301
358
P00974
D
4
1
58
1
13
1MTN
1
13
P00766
E
1
1
13
16
146
1MTN
16
146
P00766
F
2
1
131
149
245
1MTN
149
245
P00766
G
3
1
97
36
93
1MTN
301
358
P00974
H
4
1
58
7
6
2
4
3
6
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
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
ASN
48
B
ASN
33
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
GLN
156
C
GLN
8
C
PRO
161
C
PRO
13
B
THR
135
B
THR
120
B
GLY
140
B
GLY
125
C
PRO
198
C
PRO
50
C
LYS
203
C
LYS
55
C
ALA
206
C
ALA
58
C
TRP
215
C
TRP
67
C
PRO
225
C
PRO
77
C
ARG
230
C
ARG
82
C
MET
180
C
MET
32
C
GLY
184
C
GLY
36
D
ILE
318
D
ILE
18
D
ASN
324
D
ASN
24
D
LEU
329
D
LEU
29
D
TYR
335
D
TYR
35
F
GLN
81
F
GLN
66
F
LYS
84
F
LYS
69
F
VAL
65
F
VAL
50
F
ALA
68
F
ALA
53
F
GLN
30
F
GLN
15
F
GLN
34
F
GLN
19
F
HIS
40
F
HIS
25
F
SER
45
F
SER
30
F
TRP
51
F
TRP
36
F
THR
54
F
THR
39
F
THR
104
F
THR
89
F
LEU
108
F
LEU
93
F
ILE
85
F
ILE
70
F
LYS
90
F
LYS
75
G
GLN
156
G
GLN
8
G
PRO
161
G
PRO
13
F
THR
135
F
THR
120
F
GLY
140
F
GLY
125
G
PRO
198
G
PRO
50
G
CYS
201
G
CYS
53
G
THR
208
G
THR
60
G
GLY
216
G
GLY
68
G
PRO
225
G
PRO
77
G
ARG
230
G
ARG
82
G
MET
180
G
MET
32
G
GLY
184
G
GLY
36
H
ILE
318
H
ILE
18
H
ASN
324
H
ASN
24
H
LEU
329
H
LEU
29
H
TYR
335
H
TYR
35
BINDING SITE FOR RESIDUE SO4 D 600
D
SO4
600
Software
7
BINDING SITE FOR RESIDUE SO4 D 800
D
SO4
800
Software
4
BINDING SITE FOR RESIDUE SO4 H 500
H
SO4
500
Software
4
BINDING SITE FOR RESIDUE SO4 H 700
H
SO4
700
Software
4
D
TYR
310
D
TYR
10
7
1_555
D
ARG
339
D
ARG
39
7
1_555
D
LYS
341
D
LYS
41
7
1_555
H
PHE
304
H
PHE
4
7
1_555
H
LYS
341
H
LYS
41
7
1_555
H
ARG
342
H
ARG
42
7
1_555
H
HOH
463
S
HOH
7
1_555
D
ARG
320
D
ARG
20
4
1_555
D
TYR
335
D
TYR
35
4
1_555
D
GLY
337
D
GLY
37
4
1_555
D
ALA
340
D
ALA
40
4
1_555
D
LYS
341
D
LYS
41
4
1_555
D
ARG
342
D
ARG
42
4
1_555
H
TYR
310
H
TYR
10
4
1_555
H
ARG
339
H
ARG
39
4
1_555
H
ARG
320
H
ARG
20
4
1_555
H
TYR
335
H
TYR
35
4
1_555
H
GLY
337
H
GLY
37
4
1_555
H
ALA
340
H
ALA
40
4
1_555
169
P 61