.014903
0.000000
0.000000
0.000000
.013245
0.000000
0.000000
0.000000
.014948
0.00000
0.00000
0.00000
SEE REMARK 4.
Bolognesi, M.
Gatti, G.
Menegatti, E.
Guarneri, M.
Marquart, M.
Papamokos, E.
Huber, R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
67.100
75.500
66.900
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
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.Biol.
JMOBAK
0070
0022-2836
162
839
868
10.1016/0022-2836(82)90550-2
7169635
Three-dimensional structure of the complex between pancreatic secretory trypsin inhibitor (Kazal type) and trypsinogen at 1.8 A resolution. Structure solution, crystallographic refinement and preliminary structural interpretation.
1982
DK
Acta Crystallogr.,Sect.B
ASBSDK
0622
0108-7681
39
480
The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and its Complexes with Inhibitors
1983
National Biomedical Research Foundation, Silver Spring,Md.
Atlas of Protein Sequence and Structure (Data Section)
0435
0-912466-02-2
5
105
1972
National Biomedical Research Foundation, Silver Spring,Md.
Atlas of Protein Sequence and Structure,Supplement 1
435
0-912466-04-9
5
88
1973
1
2
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
24012.953
TRYPSINOGEN
1
man
polymer
6028.824
PANCREATIC SECRETORY TRYPSIN INHIBITOR (KAZAL TYPE)
1
man
polymer
96.063
SULFATE ION
1
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
162
nat
water
no
no
VDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHP
SYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPG
QITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
VDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHP
SYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPG
QITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
Z
polypeptide(L)
no
no
TSPQREATCTSEVSGCPKIYNPVCGTDGITYSNECVLCSENKKRQTPVLIQKSGPC
TSPQREATCTSEVSGCPKIYNPVCGTDGITYSNECVLCSENKKRQTPVLIQKSGPC
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
cattle
Bos
sample
9913
PANCREAS
Bos taurus
pig
Sus
sample
9823
Sus scrofa
2.82
56.37
repository
Initial release
Version format compliance
Version format compliance
1
0
1983-01-18
1
1
2008-03-24
1
2
2011-07-13
Y
1982-09-27
REL
REL
SO4
SULFATE ION
CA
CALCIUM ION
HOH
water
THE 229 AMINO ACIDS OF TRYPSINOGEN ARE IDENTIFIED BY THE
RESIDUE NUMBERS OF THE HOMOLOGOUS CHYMOTRYPSINOGEN.
IN THIS COMPLEX THE ZYMOGEN IS GIVEN THE CHAIN INDICATOR Z
AND THE INHIBITOR IS GIVEN THE CHAIN INDICATOR I.
A NULL (BLANK) CHAIN INDICATOR IS ASSIGNED TO THE SULFATE,
TO THE CALCIUM, AND TO THE WATER MOLECULES. THE
NOMENCLATURE OF THE WATER MOLECULES IS THAT OF THE
DEPOSITORS.
SO4
1
3
SO4
SO4
1
Z
CA
800
4
CA
CA
800
Z
HOH
401
5
HOH
HOH
401
Z
HOH
402
5
HOH
HOH
402
Z
HOH
403
5
HOH
HOH
403
Z
HOH
405
5
HOH
HOH
405
Z
HOH
406
5
HOH
HOH
406
Z
HOH
407
5
HOH
HOH
407
Z
HOH
408
5
HOH
HOH
408
Z
HOH
409
5
HOH
HOH
409
Z
HOH
410
5
HOH
HOH
410
Z
HOH
414
5
HOH
HOH
414
Z
HOH
422
5
HOH
HOH
422
Z
HOH
425
5
HOH
HOH
425
Z
HOH
445
5
HOH
HOH
445
Z
HOH
457
5
HOH
HOH
457
Z
HOH
473
5
HOH
HOH
473
Z
HOH
477
5
HOH
HOH
477
Z
HOH
549
5
HOH
HOH
549
Z
HOH
601
5
HOH
HOH
601
Z
HOH
604
5
HOH
HOH
604
Z
HOH
605
5
HOH
HOH
605
Z
HOH
607
5
HOH
HOH
607
Z
HOH
608
5
HOH
HOH
608
Z
HOH
625
5
HOH
HOH
625
Z
HOH
626
5
HOH
HOH
626
Z
HOH
627
5
HOH
HOH
627
Z
HOH
628
5
HOH
HOH
628
Z
HOH
629
5
HOH
HOH
629
Z
HOH
630
5
HOH
HOH
630
Z
HOH
631
5
HOH
HOH
631
Z
HOH
632
5
HOH
HOH
632
Z
HOH
633
5
HOH
HOH
633
Z
HOH
634
5
HOH
HOH
634
Z
HOH
635
5
HOH
HOH
635
Z
HOH
636
5
HOH
HOH
636
Z
HOH
637
5
HOH
HOH
637
Z
HOH
638
5
HOH
HOH
638
Z
HOH
639
5
HOH
HOH
639
Z
HOH
640
5
HOH
HOH
640
Z
HOH
641
5
HOH
HOH
641
Z
HOH
642
5
HOH
HOH
642
Z
HOH
643
5
HOH
HOH
643
Z
HOH
644
5
HOH
HOH
644
Z
HOH
645
5
HOH
HOH
645
Z
HOH
646
5
HOH
HOH
646
Z
HOH
647
5
HOH
HOH
647
Z
HOH
648
5
HOH
HOH
648
Z
HOH
649
5
HOH
HOH
649
Z
HOH
650
5
HOH
HOH
650
Z
HOH
651
5
HOH
HOH
651
Z
HOH
652
5
HOH
HOH
652
Z
HOH
654
5
HOH
HOH
654
Z
HOH
655
5
HOH
HOH
655
Z
HOH
656
5
HOH
HOH
656
Z
HOH
657
5
HOH
HOH
657
Z
HOH
658
5
HOH
HOH
658
Z
HOH
659
5
HOH
HOH
659
Z
HOH
660
5
HOH
HOH
660
Z
HOH
661
5
HOH
HOH
661
Z
HOH
662
5
HOH
HOH
662
Z
HOH
663
5
HOH
HOH
663
Z
HOH
664
5
HOH
HOH
664
Z
HOH
665
5
HOH
HOH
665
Z
HOH
666
5
HOH
HOH
666
Z
HOH
667
5
HOH
HOH
667
Z
HOH
668
5
HOH
HOH
668
Z
HOH
669
5
HOH
HOH
669
Z
HOH
670
5
HOH
HOH
670
Z
HOH
671
5
HOH
HOH
671
Z
HOH
672
5
HOH
HOH
672
Z
HOH
673
5
HOH
HOH
673
Z
HOH
674
5
HOH
HOH
674
Z
HOH
675
5
HOH
HOH
675
Z
HOH
676
5
HOH
HOH
676
Z
HOH
677
5
HOH
HOH
677
Z
HOH
678
5
HOH
HOH
678
Z
HOH
679
5
HOH
HOH
679
Z
HOH
680
5
HOH
HOH
680
Z
HOH
681
5
HOH
HOH
681
Z
HOH
682
5
HOH
HOH
682
Z
HOH
683
5
HOH
HOH
683
Z
HOH
684
5
HOH
HOH
684
Z
HOH
685
5
HOH
HOH
685
Z
HOH
686
5
HOH
HOH
686
Z
HOH
687
5
HOH
HOH
687
Z
HOH
688
5
HOH
HOH
688
Z
HOH
689
5
HOH
HOH
689
Z
HOH
690
5
HOH
HOH
690
Z
HOH
691
5
HOH
HOH
691
Z
HOH
692
5
HOH
HOH
692
Z
HOH
693
5
HOH
HOH
693
Z
HOH
694
5
HOH
HOH
694
Z
HOH
695
5
HOH
HOH
695
Z
HOH
696
5
HOH
HOH
696
Z
HOH
697
5
HOH
HOH
697
Z
HOH
698
5
HOH
HOH
698
Z
HOH
699
5
HOH
HOH
699
Z
HOH
700
5
HOH
HOH
700
Z
HOH
701
5
HOH
HOH
701
Z
HOH
702
5
HOH
HOH
702
Z
HOH
703
5
HOH
HOH
703
Z
HOH
704
5
HOH
HOH
704
Z
HOH
705
5
HOH
HOH
705
Z
HOH
706
5
HOH
HOH
706
Z
HOH
707
5
HOH
HOH
707
Z
HOH
708
5
HOH
HOH
708
Z
HOH
709
5
HOH
HOH
709
Z
HOH
710
5
HOH
HOH
710
Z
HOH
712
5
HOH
HOH
712
Z
HOH
713
5
HOH
HOH
713
Z
HOH
714
5
HOH
HOH
714
Z
HOH
715
5
HOH
HOH
715
Z
HOH
716
5
HOH
HOH
716
Z
HOH
717
5
HOH
HOH
717
Z
HOH
718
5
HOH
HOH
718
Z
HOH
719
5
HOH
HOH
719
Z
HOH
720
5
HOH
HOH
720
Z
HOH
721
5
HOH
HOH
721
Z
HOH
722
5
HOH
HOH
722
Z
HOH
723
5
HOH
HOH
723
Z
HOH
724
5
HOH
HOH
724
Z
HOH
725
5
HOH
HOH
725
Z
HOH
726
5
HOH
HOH
726
Z
HOH
727
5
HOH
HOH
727
Z
HOH
728
5
HOH
HOH
728
Z
HOH
729
5
HOH
HOH
729
Z
HOH
730
5
HOH
HOH
730
Z
HOH
733
5
HOH
HOH
733
Z
HOH
734
5
HOH
HOH
734
Z
HOH
735
5
HOH
HOH
735
Z
HOH
736
5
HOH
HOH
736
Z
HOH
737
5
HOH
HOH
737
Z
HOH
738
5
HOH
HOH
738
Z
HOH
739
5
HOH
HOH
739
Z
HOH
740
5
HOH
HOH
740
Z
HOH
741
5
HOH
HOH
741
Z
HOH
742
5
HOH
HOH
742
Z
HOH
743
5
HOH
HOH
743
Z
HOH
416
5
HOH
HOH
416
I
HOH
602
5
HOH
HOH
602
I
HOH
603
5
HOH
HOH
603
I
HOH
606
5
HOH
HOH
606
I
HOH
609
5
HOH
HOH
609
I
HOH
610
5
HOH
HOH
610
I
HOH
611
5
HOH
HOH
611
I
HOH
612
5
HOH
HOH
612
I
HOH
613
5
HOH
HOH
613
I
HOH
614
5
HOH
HOH
614
I
HOH
615
5
HOH
HOH
615
I
HOH
616
5
HOH
HOH
616
I
HOH
617
5
HOH
HOH
617
I
HOH
618
5
HOH
HOH
618
I
HOH
619
5
HOH
HOH
619
I
HOH
620
5
HOH
HOH
620
I
HOH
621
5
HOH
HOH
621
I
HOH
622
5
HOH
HOH
622
I
HOH
623
5
HOH
HOH
623
I
HOH
624
5
HOH
HOH
624
I
HOH
653
5
HOH
HOH
653
I
HOH
711
5
HOH
HOH
711
I
HOH
731
5
HOH
HOH
731
I
HOH
732
5
HOH
HOH
732
I
HOH
744
5
HOH
HOH
744
I
n
1
10
Z
n
2
11
Z
n
3
12
Z
n
4
13
Z
ASP
14
n
5
ASP
14
Z
LYS
15
n
6
LYS
15
Z
ILE
16
n
7
ILE
16
Z
VAL
17
n
8
VAL
17
Z
GLY
18
n
9
GLY
18
Z
GLY
19
n
10
GLY
19
Z
TYR
20
n
11
TYR
20
Z
THR
21
n
12
THR
21
Z
CYS
22
n
13
CYS
22
Z
GLY
23
n
14
GLY
23
Z
ALA
24
n
15
ALA
24
Z
ASN
25
n
16
ASN
25
Z
THR
26
n
17
THR
26
Z
VAL
27
n
18
VAL
27
Z
PRO
28
n
19
PRO
28
Z
TYR
29
n
20
TYR
29
Z
GLN
30
n
21
GLN
30
Z
VAL
31
n
22
VAL
31
Z
SER
32
n
23
SER
32
Z
LEU
33
n
24
LEU
33
Z
ASN
34
n
25
ASN
34
Z
SER
37
n
26
SER
37
Z
GLY
38
n
27
GLY
38
Z
TYR
39
n
28
TYR
39
Z
HIS
40
n
29
HIS
40
Z
PHE
41
n
30
PHE
41
Z
CYS
42
n
31
CYS
42
Z
GLY
43
n
32
GLY
43
Z
GLY
44
n
33
GLY
44
Z
SER
45
n
34
SER
45
Z
LEU
46
n
35
LEU
46
Z
ILE
47
n
36
ILE
47
Z
ASN
48
n
37
ASN
48
Z
SER
49
n
38
SER
49
Z
GLN
50
n
39
GLN
50
Z
TRP
51
n
40
TRP
51
Z
VAL
52
n
41
VAL
52
Z
VAL
53
n
42
VAL
53
Z
SER
54
n
43
SER
54
Z
ALA
55
n
44
ALA
55
Z
ALA
56
n
45
ALA
56
Z
HIS
57
n
46
HIS
57
Z
CYS
58
n
47
CYS
58
Z
TYR
59
n
48
TYR
59
Z
LYS
60
n
49
LYS
60
Z
SER
61
n
50
SER
61
Z
GLY
62
n
51
GLY
62
Z
ILE
63
n
52
ILE
63
Z
GLN
64
n
53
GLN
64
Z
VAL
65
n
54
VAL
65
Z
ARG
66
n
55
ARG
66
Z
LEU
67
n
56
LEU
67
Z
GLY
69
n
57
GLY
69
Z
GLU
70
n
58
GLU
70
Z
ASP
71
n
59
ASP
71
Z
ASN
72
n
60
ASN
72
Z
ILE
73
n
61
ILE
73
Z
ASN
74
n
62
ASN
74
Z
VAL
75
n
63
VAL
75
Z
VAL
76
n
64
VAL
76
Z
GLU
77
n
65
GLU
77
Z
GLY
78
n
66
GLY
78
Z
ASN
79
n
67
ASN
79
Z
GLU
80
n
68
GLU
80
Z
GLN
81
n
69
GLN
81
Z
PHE
82
n
70
PHE
82
Z
ILE
83
n
71
ILE
83
Z
SER
84
n
72
SER
84
Z
ALA
85
n
73
ALA
85
Z
SER
86
n
74
SER
86
Z
LYS
87
n
75
LYS
87
Z
SER
88
n
76
SER
88
Z
ILE
89
n
77
ILE
89
Z
VAL
90
n
78
VAL
90
Z
HIS
91
n
79
HIS
91
Z
PRO
92
n
80
PRO
92
Z
SER
93
n
81
SER
93
Z
TYR
94
n
82
TYR
94
Z
ASN
95
n
83
ASN
95
Z
SER
96
n
84
SER
96
Z
ASN
97
n
85
ASN
97
Z
THR
98
n
86
THR
98
Z
LEU
99
n
87
LEU
99
Z
ASN
100
n
88
ASN
100
Z
ASN
101
n
89
ASN
101
Z
ASP
102
n
90
ASP
102
Z
ILE
103
n
91
ILE
103
Z
MET
104
n
92
MET
104
Z
LEU
105
n
93
LEU
105
Z
ILE
106
n
94
ILE
106
Z
LYS
107
n
95
LYS
107
Z
LEU
108
n
96
LEU
108
Z
LYS
109
n
97
LYS
109
Z
SER
110
n
98
SER
110
Z
ALA
111
n
99
ALA
111
Z
ALA
112
n
100
ALA
112
Z
SER
113
n
101
SER
113
Z
LEU
114
n
102
LEU
114
Z
ASN
115
n
103
ASN
115
Z
SER
116
n
104
SER
116
Z
ARG
117
n
105
ARG
117
Z
VAL
118
n
106
VAL
118
Z
ALA
119
n
107
ALA
119
Z
SER
120
n
108
SER
120
Z
ILE
121
n
109
ILE
121
Z
SER
122
n
110
SER
122
Z
LEU
123
n
111
LEU
123
Z
PRO
124
n
112
PRO
124
Z
THR
125
n
113
THR
125
Z
SER
127
n
114
SER
127
Z
CYS
128
n
115
CYS
128
Z
ALA
129
n
116
ALA
129
Z
SER
130
n
117
SER
130
Z
ALA
132
n
118
ALA
132
Z
GLY
133
n
119
GLY
133
Z
THR
134
n
120
THR
134
Z
GLN
135
n
121
GLN
135
Z
CYS
136
n
122
CYS
136
Z
LEU
137
n
123
LEU
137
Z
ILE
138
n
124
ILE
138
Z
SER
139
n
125
SER
139
Z
GLY
140
n
126
GLY
140
Z
TRP
141
n
127
TRP
141
Z
GLY
142
n
128
GLY
142
Z
ASN
143
n
129
ASN
143
Z
THR
144
n
130
THR
144
Z
LYS
145
n
131
LYS
145
Z
SER
146
n
132
SER
146
Z
SER
147
n
133
SER
147
Z
GLY
148
n
134
GLY
148
Z
THR
149
n
135
THR
149
Z
SER
150
n
136
SER
150
Z
TYR
151
n
137
TYR
151
Z
PRO
152
n
138
PRO
152
Z
ASP
153
n
139
ASP
153
Z
VAL
154
n
140
VAL
154
Z
LEU
155
n
141
LEU
155
Z
LYS
156
n
142
LYS
156
Z
CYS
157
n
143
CYS
157
Z
LEU
158
n
144
LEU
158
Z
LYS
159
n
145
LYS
159
Z
ALA
160
n
146
ALA
160
Z
PRO
161
n
147
PRO
161
Z
ILE
162
n
148
ILE
162
Z
LEU
163
n
149
LEU
163
Z
SER
164
n
150
SER
164
Z
ASP
165
n
151
ASP
165
Z
SER
166
n
152
SER
166
Z
SER
167
n
153
SER
167
Z
CYS
168
n
154
CYS
168
Z
LYS
169
n
155
LYS
169
Z
SER
170
n
156
SER
170
Z
ALA
171
n
157
ALA
171
Z
TYR
172
n
158
TYR
172
Z
PRO
173
n
159
PRO
173
Z
GLY
174
n
160
GLY
174
Z
GLN
175
n
161
GLN
175
Z
ILE
176
n
162
ILE
176
Z
THR
177
n
163
THR
177
Z
SER
178
n
164
SER
178
Z
ASN
179
n
165
ASN
179
Z
MET
180
n
166
MET
180
Z
PHE
181
n
167
PHE
181
Z
CYS
182
n
168
CYS
182
Z
ALA
183
n
169
ALA
183
Z
GLY
184
n
170
A
GLY
184
Z
TYR
184
n
171
TYR
184
Z
LEU
185
n
172
LEU
185
Z
GLU
186
n
173
GLU
186
Z
GLY
187
n
174
GLY
187
Z
GLY
188
n
175
A
GLY
188
Z
LYS
188
n
176
LYS
188
Z
ASP
189
n
177
ASP
189
Z
SER
190
n
178
SER
190
Z
CYS
191
n
179
CYS
191
Z
GLN
192
n
180
GLN
192
Z
GLY
193
n
181
GLY
193
Z
ASP
194
n
182
ASP
194
Z
SER
195
n
183
SER
195
Z
GLY
196
n
184
GLY
196
Z
GLY
197
n
185
GLY
197
Z
PRO
198
n
186
PRO
198
Z
VAL
199
n
187
VAL
199
Z
VAL
200
n
188
VAL
200
Z
CYS
201
n
189
CYS
201
Z
SER
202
n
190
SER
202
Z
GLY
203
n
191
GLY
203
Z
LYS
204
n
192
LYS
204
Z
LEU
209
n
193
LEU
209
Z
GLN
210
n
194
GLN
210
Z
GLY
211
n
195
GLY
211
Z
ILE
212
n
196
ILE
212
Z
VAL
213
n
197
VAL
213
Z
SER
214
n
198
SER
214
Z
TRP
215
n
199
TRP
215
Z
GLY
216
n
200
GLY
216
Z
SER
217
n
201
SER
217
Z
GLY
219
n
202
GLY
219
Z
CYS
220
n
203
CYS
220
Z
ALA
221
n
204
A
ALA
221
Z
GLN
221
n
205
GLN
221
Z
LYS
222
n
206
LYS
222
Z
ASN
223
n
207
ASN
223
Z
LYS
224
n
208
LYS
224
Z
PRO
225
n
209
PRO
225
Z
GLY
226
n
210
GLY
226
Z
VAL
227
n
211
VAL
227
Z
TYR
228
n
212
TYR
228
Z
THR
229
n
213
THR
229
Z
LYS
230
n
214
LYS
230
Z
VAL
231
n
215
VAL
231
Z
CYS
232
n
216
CYS
232
Z
ASN
233
n
217
ASN
233
Z
TYR
234
n
218
TYR
234
Z
VAL
235
n
219
VAL
235
Z
SER
236
n
220
SER
236
Z
TRP
237
n
221
TRP
237
Z
ILE
238
n
222
ILE
238
Z
LYS
239
n
223
LYS
239
Z
GLN
240
n
224
GLN
240
Z
THR
241
n
225
THR
241
Z
ILE
242
n
226
ILE
242
Z
ALA
243
n
227
ALA
243
Z
SER
244
n
228
SER
244
Z
ASN
245
n
229
ASN
245
Z
THR
1
n
1
THR
1
I
SER
1
n
2
A
SER
1
I
PRO
2
n
3
PRO
2
I
GLN
3
n
4
GLN
3
I
ARG
4
n
5
ARG
4
I
GLU
5
n
6
GLU
5
I
ALA
6
n
7
ALA
6
I
THR
7
n
8
THR
7
I
CYS
8
n
9
CYS
8
I
THR
10
n
10
THR
10
I
SER
11
n
11
SER
11
I
GLU
12
n
12
GLU
12
I
VAL
13
n
13
VAL
13
I
SER
14
n
14
SER
14
I
GLY
15
n
15
GLY
15
I
CYS
16
n
16
CYS
16
I
PRO
17
n
17
PRO
17
I
LYS
18
n
18
LYS
18
I
ILE
19
n
19
ILE
19
I
TYR
20
n
20
TYR
20
I
ASN
21
n
21
ASN
21
I
PRO
22
n
22
PRO
22
I
VAL
23
n
23
VAL
23
I
CYS
24
n
24
CYS
24
I
GLY
25
n
25
GLY
25
I
THR
26
n
26
THR
26
I
ASP
27
n
27
ASP
27
I
GLY
28
n
28
GLY
28
I
ILE
29
n
29
ILE
29
I
THR
30
n
30
THR
30
I
TYR
31
n
31
TYR
31
I
SER
32
n
32
SER
32
I
ASN
33
n
33
ASN
33
I
GLU
34
n
34
GLU
34
I
CYS
35
n
35
CYS
35
I
VAL
36
n
36
VAL
36
I
LEU
37
n
37
LEU
37
I
CYS
38
n
38
CYS
38
I
SER
39
n
39
SER
39
I
GLU
40
n
40
GLU
40
I
ASN
41
n
41
ASN
41
I
LYS
42
n
42
LYS
42
I
LYS
43
n
43
LYS
43
I
ARG
44
n
44
ARG
44
I
GLN
45
n
45
GLN
45
I
THR
46
n
46
THR
46
I
PRO
47
n
47
PRO
47
I
VAL
48
n
48
VAL
48
I
LEU
49
n
49
LEU
49
I
ILE
50
n
50
ILE
50
I
GLN
51
n
51
GLN
51
I
LYS
52
n
52
LYS
52
I
SER
53
n
53
SER
53
I
GLY
54
n
54
GLY
54
I
PRO
55
n
55
PRO
55
I
CYS
56
n
56
CYS
56
I
author_and_software_defined_assembly
PISA
2
dimeric
1970
-34
11820
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
800
D
CA
CA
1_555
Z
GLU
80
A
OE1
GLU
68
1_555
96.2
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
800
D
CA
CA
1_555
Z
HOH
660
E
O
HOH
1_555
101.2
Z
GLU
80
A
OE1
GLU
68
1_555
Z
CA
800
D
CA
CA
1_555
Z
HOH
660
E
O
HOH
1_555
91.9
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
800
D
CA
CA
1_555
Z
GLU
70
A
OE1
GLU
58
1_555
148.8
Z
GLU
80
A
OE1
GLU
68
1_555
Z
CA
800
D
CA
CA
1_555
Z
GLU
70
A
OE1
GLU
58
1_555
92.3
Z
HOH
660
E
O
HOH
1_555
Z
CA
800
D
CA
CA
1_555
Z
GLU
70
A
OE1
GLU
58
1_555
108.5
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
800
D
CA
CA
1_555
Z
ASN
72
A
O
ASN
60
1_555
82.3
Z
GLU
80
A
OE1
GLU
68
1_555
Z
CA
800
D
CA
CA
1_555
Z
ASN
72
A
O
ASN
60
1_555
171.8
Z
HOH
660
E
O
HOH
1_555
Z
CA
800
D
CA
CA
1_555
Z
ASN
72
A
O
ASN
60
1_555
96.2
Z
GLU
70
A
OE1
GLU
58
1_555
Z
CA
800
D
CA
CA
1_555
Z
ASN
72
A
O
ASN
60
1_555
85.0
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
800
D
CA
CA
1_555
Z
HOH
661
E
O
HOH
1_555
75.9
Z
GLU
80
A
OE1
GLU
68
1_555
Z
CA
800
D
CA
CA
1_555
Z
HOH
661
E
O
HOH
1_555
90.9
Z
HOH
660
E
O
HOH
1_555
Z
CA
800
D
CA
CA
1_555
Z
HOH
661
E
O
HOH
1_555
176.1
Z
GLU
70
A
OE1
GLU
58
1_555
Z
CA
800
D
CA
CA
1_555
Z
HOH
661
E
O
HOH
1_555
74.0
Z
ASN
72
A
O
ASN
60
1_555
Z
CA
800
D
CA
CA
1_555
Z
HOH
661
E
O
HOH
1_555
80.9
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
1
Z
CG
ASP
14
A
CG
ASP
5
0
Y
1
Z
OD1
ASP
14
A
OD1
ASP
5
0
Y
1
Z
OD2
ASP
14
A
OD2
ASP
5
0
Y
1
Z
CD
LYS
15
A
CD
LYS
6
0
Y
1
Z
CE
LYS
15
A
CE
LYS
6
0
Y
1
Z
NZ
LYS
15
A
NZ
LYS
6
0
Y
1
Z
OD1
ASN
25
A
OD1
ASN
16
0
Y
1
Z
ND2
ASN
25
A
ND2
ASN
16
0
Y
1
Z
NZ
LYS
109
A
NZ
LYS
97
0
Y
1
Z
CD
ARG
117
A
CD
ARG
105
0
Y
1
Z
NE
ARG
117
A
NE
ARG
105
0
Y
1
Z
CZ
ARG
117
A
CZ
ARG
105
0
Y
1
Z
NH1
ARG
117
A
NH1
ARG
105
0
Y
1
Z
NH2
ARG
117
A
NH2
ARG
105
0
Y
1
Z
OG1
THR
125
A
OG1
THR
113
0
Y
1
Z
CG2
THR
125
A
CG2
THR
113
0
Y
1
Z
OE1
GLN
135
A
OE1
GLN
121
0
Y
1
Z
NE2
GLN
135
A
NE2
GLN
121
0
Y
1
Z
OG1
THR
144
A
OG1
THR
130
0
Y
1
Z
CG2
THR
144
A
CG2
THR
130
0
Y
1
Z
CB
LYS
145
A
CB
LYS
131
0
Y
1
Z
CG
LYS
145
A
CG
LYS
131
0
Y
1
Z
CD
LYS
145
A
CD
LYS
131
0
Y
1
Z
CE
LYS
145
A
CE
LYS
131
0
Y
1
Z
NZ
LYS
145
A
NZ
LYS
131
0
Y
1
Z
N
GLY
148
A
N
GLY
134
0
Y
1
Z
CD
GLU
186
A
CD
GLU
173
0
Y
1
Z
OE1
GLU
186
A
OE1
GLU
173
0
Y
1
Z
OE2
GLU
186
A
OE2
GLU
173
0
Y
1
Z
NZ
LYS
188
A
NZ
LYS
176
0
Y
1
Z
OE1
GLN
221
A
OE1
GLN
205
0
Y
1
Z
NE2
GLN
221
A
NE2
GLN
205
0
Y
1
Z
CG
LYS
222
A
CG
LYS
206
0
Y
1
Z
CD
LYS
222
A
CD
LYS
206
0
Y
1
Z
CE
LYS
222
A
CE
LYS
206
0
Y
1
Z
NZ
LYS
222
A
NZ
LYS
206
0
Y
1
Z
NZ
LYS
239
A
NZ
LYS
223
0
Y
1
I
CG
GLN
3
B
CG
GLN
4
0
Y
1
I
CD
GLN
3
B
CD
GLN
4
0
Y
1
I
OE1
GLN
3
B
OE1
GLN
4
0
Y
1
I
NE2
GLN
3
B
NE2
GLN
4
0
Y
1
I
CD
GLU
5
B
CD
GLU
6
0
Y
1
I
OE1
GLU
5
B
OE1
GLU
6
0
Y
1
I
OE2
GLU
5
B
OE2
GLU
6
0
Y
1
I
CB
THR
7
B
CB
THR
8
0
Y
1
I
OG1
THR
7
B
OG1
THR
8
0
Y
1
I
CG2
THR
7
B
CG2
THR
8
0
Y
1
I
CB
THR
10
B
CB
THR
10
0
Y
1
I
OG1
THR
10
B
OG1
THR
10
0
Y
1
I
CG2
THR
10
B
CG2
THR
10
0
Y
1
I
OE1
GLU
12
B
OE1
GLU
12
0
Y
1
I
OE2
GLU
12
B
OE2
GLU
12
0
Y
1
I
CD
LYS
42
B
CD
LYS
42
0
Y
1
I
CE
LYS
42
B
CE
LYS
42
0
Y
1
I
NZ
LYS
42
B
NZ
LYS
42
0
Y
1
I
N
THR
46
B
N
THR
46
0
Y
1
I
CA
THR
46
B
CA
THR
46
0
Y
1
I
CB
THR
46
B
CB
THR
46
0
Y
1
I
OG1
THR
46
B
OG1
THR
46
0
Y
1
I
CG2
THR
46
B
CG2
THR
46
0
Y
1
Z
VAL
10
A
VAL
1
1
Y
1
Z
ASP
11
A
ASP
2
1
Y
1
Z
ASP
12
A
ASP
3
1
Y
1
Z
ASP
13
A
ASP
4
1
Y
1
Z
SER
146
A
SER
132
0
Y
1
Z
SER
147
A
SER
133
0
Y
1
I
THR
1
B
THR
1
0
Y
A
1
I
SER
1
B
SER
2
0
Y
1
I
PRO
2
B
PRO
3
0
Y
1
I
GLN
45
B
GLN
45
0
Y
1
Z
ILE
47
-10.16
1
Z
PRO
161
-13.67
1
Z
LYS
204
-11.39
1
I
SER
14
10.28
1
I
ASN
41
12.33
1
I
LYS
42
-11.64
1
Z
ASN
48
0.078
SIDE CHAIN
1
Z
ASN
72
0.100
SIDE CHAIN
1
Z
GLU
77
0.076
SIDE CHAIN
1
Z
ASN
79
0.080
SIDE CHAIN
1
Z
GLU
80
0.086
SIDE CHAIN
1
Z
ASN
97
0.072
SIDE CHAIN
1
Z
GLN
135
0.082
SIDE CHAIN
1
Z
ASP
153
0.070
SIDE CHAIN
1
Z
GLN
192
0.072
SIDE CHAIN
1
Z
ASN
223
0.073
SIDE CHAIN
1
I
GLU
12
0.074
SIDE CHAIN
1
I
ASN
21
0.098
SIDE CHAIN
1
I
GLU
40
0.083
SIDE CHAIN
1
I
GLN
51
0.084
SIDE CHAIN
1
-5.67
0.90
118.30
112.63
Z
Z
Z
CB
CG
OD2
ASP
ASP
ASP
165
165
165
N
1
-13.83
2.10
111.70
97.87
I
I
I
CB
CA
C
PRO
PRO
PRO
2
2
2
N
1
12.15
1.60
122.70
134.85
I
I
I
O
C
N
PRO
PRO
GLN
2
2
3
Y
1
3.89
0.50
120.30
124.19
I
I
I
NE
CZ
NH2
ARG
ARG
ARG
4
4
4
N
1
3.43
0.50
120.30
123.73
I
I
I
NE
CZ
NH1
ARG
ARG
ARG
44
44
44
N
1
Z
Z
NE1
CE2
TRP
TRP
51
51
-0.103
0.013
1.371
1.268
N
1
Z
Z
NE1
CE2
TRP
TRP
141
141
-0.091
0.013
1.371
1.280
N
1
Z
Z
NE1
CE2
TRP
TRP
215
215
-0.079
0.013
1.371
1.292
N
1
Z
Z
NE1
CE2
TRP
TRP
237
237
-0.097
0.013
1.371
1.274
N
1
Z
ASN
115
-155.41
-158.26
1
Z
SER
146
21.80
-78.80
1
Z
SER
147
-79.18
42.51
1
Z
ASP
153
-167.86
-78.79
1
Z
SER
214
-118.79
-72.61
1
I
PRO
2
-85.68
-155.49
1
I
GLN
3
116.33
60.30
1
I
ARG
4
149.34
117.42
1
I
THR
10
-115.39
73.48
1
I
SER
14
-93.43
48.76
1
I
LYS
18
-93.77
44.38
1
I
THR
46
-165.10
104.34
0.186
1.8
7.0
1
1.8
7.0
162
2230
6
0
2062
TRYPSINOGEN COMPLEX WITH PORCINE PANCREATIC SECRETORY TRYPSIN INHIBITOR
THREE-DIMENSIONAL STRUCTURE OF THE COMPLEX BETWEEN PANCREATIC SECRETORY INHIBITOR (KAZAL TYPE) AND TRYPSINOGEN AT 1.8 ANGSTROMS RESOLUTION. STRUCTURE SOLUTION, CRYSTALLOGRAPHIC REFINEMENT AND PRELIMINARY STRUCTURAL INTERPRETATION
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
Z
SER
164
A
SER
150
HELX_P
SNGL ALPHA TURN,REST IRREG.
Z
ILE
176
A
ILE
162
1
H1
13
Z
LYS
230
A
LYS
214
HELX_P
CONTIGUOUS WITH H3
Z
VAL
235
A
VAL
219
5
H2
6
Z
SER
236
A
SER
220
HELX_P
CONTIGUOUS WITH H2
Z
ASN
245
A
ASN
229
1
H3
10
I
GLU
34
B
GLU
34
HELX_P
I
LYS
42
B
LYS
42
1
IH1
9
disulf
2.013
Z
CYS
22
A
SG
CYS
13
1_555
Z
CYS
157
A
SG
CYS
143
1_555
disulf
2.036
Z
CYS
42
A
SG
CYS
31
1_555
Z
CYS
58
A
SG
CYS
47
1_555
disulf
2.050
Z
CYS
128
A
SG
CYS
115
1_555
Z
CYS
232
A
SG
CYS
216
1_555
disulf
2.026
Z
CYS
136
A
SG
CYS
122
1_555
Z
CYS
201
A
SG
CYS
189
1_555
disulf
2.054
Z
CYS
168
A
SG
CYS
154
1_555
Z
CYS
182
A
SG
CYS
168
1_555
disulf
2.010
Z
CYS
191
A
SG
CYS
179
1_555
Z
CYS
220
A
SG
CYS
203
1_555
disulf
2.008
I
CYS
8
B
SG
CYS
9
1_555
I
CYS
38
B
SG
CYS
38
1_555
disulf
2.071
I
CYS
16
B
SG
CYS
16
1_555
I
CYS
35
B
SG
CYS
35
1_555
disulf
2.056
I
CYS
24
B
SG
CYS
24
1_555
I
CYS
56
B
SG
CYS
56
1_555
metalc
2.175
Z
CA
800
D
CA
CA
1_555
Z
VAL
75
A
O
VAL
63
1_555
metalc
2.268
Z
CA
800
D
CA
CA
1_555
Z
GLU
80
A
OE1
GLU
68
1_555
metalc
1.789
Z
CA
800
D
CA
CA
1_555
Z
HOH
660
E
O
HOH
1_555
metalc
2.233
Z
CA
800
D
CA
CA
1_555
Z
GLU
70
A
OE1
GLU
58
1_555
metalc
2.188
Z
CA
800
D
CA
CA
1_555
Z
ASN
72
A
O
ASN
60
1_555
metalc
2.433
Z
CA
800
D
CA
CA
1_555
Z
HOH
661
E
O
HOH
1_555
COMPLEX (PROTEINASE/INHIBITOR)
COMPLEX (PROTEINASE-INHIBITOR), COMPLEX (PROTEINASE-INHIBITOR) complex
TRY1_BOVIN
UNP
1
15
P00760
IPK1_PIG
UNP
2
1
P00998
15
243
1TGS
10
245
P00760
Z
1
1
229
1
56
1TGS
1
56
P00998
I
2
1
56
3
anti-parallel
anti-parallel
I
ASP
27
B
ASP
27
I
TYR
31
B
TYR
31
I
VAL
23
B
VAL
23
I
THR
26
B
THR
26
I
LEU
49
B
LEU
49
I
SER
53
B
SER
53
BINDING SITE FOR RESIDUE SO4 Z 1
Software
4
BINDING SITE FOR RESIDUE CA Z 800
Software
6
Z
GLN
64
A
GLN
53
4
4_555
Z
ASN
95
A
ASN
83
4
1_555
Z
THR
98
A
THR
86
4
1_555
Z
ASN
100
A
ASN
88
4
1_555
Z
GLU
70
A
GLU
58
6
1_555
Z
ASN
72
A
ASN
60
6
1_555
Z
VAL
75
A
VAL
63
6
1_555
Z
GLU
80
A
GLU
68
6
1_555
Z
HOH
660
E
HOH
6
1_555
Z
HOH
661
E
HOH
6
1_555
19
P 21 21 21