0.019728
0.000000
0.000000
0.000000
0.017227
0.000000
0.000000
0.000000
0.013289
0.00000
0.00000
0.00000
Mattos, C.
Rasmussen, B.
Ding, X.
Petsko, G.A.
Ringe, D.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
50.690
58.050
75.250
C23 H36 F3 N4 O3 1
473.552
6-ammonio-N-(trifluoroacetyl)-L-norleucyl-N-[4-(1-methylethyl)phenyl]-L-leucinamide
peptide-like
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
US
Nat.Struct.Biol.
NSBIEW
2024
1072-8368
1
55
58
10.1038/nsb0194-55
7656008
Analogous inhibitors of elastase do not always bind analogously.
1994
UK
J.Mol.Recog.
JMORE4
0814
0952-3499
3
36
Interaction of the Peptide Cf3-Leu-Ala-Nh-C6H4-Cf3 (Tfla) with Porcine Pancreatic Elastase. X-Ray Studies at 1.8 Angstroms
1990
DK
Acta Crystallogr.,Sect.B
ASBSDK
0622
0108-7681
44
26
Structure of Native Porcine Pancreatic Elastase at 1.65 Angstroms Resolution
1988
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
189
533
Structure of the Product Complex of Acetyl-Ala-Pro-Ala with Porcine Pancreatic Elastase at 1.65 Angstroms Resolution
1986
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
162
645
Crystallographic Study of the Binding of a Tri-Fluoroacetyl Dipeptide Anilide Inhibitor with Elastase
1982
IX
Eur.J.Biochem.
EJBCAI
0262
0014-2956
107
423
The Indirect Mechanism of Action of the Trifluoroacetyl Peptides on Elastase
1980
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
118
137
The Atomic Structure of Crystalline Porcine Pancreatic Elastase at 2.5 Angstroms Resolution. Comparisons with the Structure of Alpha-Chymotrypsin
1978
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
x-ray
1
1.0
25928.031
ELASTASE
3.4.21.36
1
man
polymer
473.552
6-ammonio-N-(trifluoroacetyl)-L-norleucyl-N-[4-(1-methylethyl)phenyl]-L-leucinamide
1
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
96.063
SULFATE ION
1
syn
non-polymer
18.015
water
126
nat
water
no
no
VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNNGTEQYVGVQKIVVH
PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS
SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN
VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNNGTEQYVGVQKIVVH
PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS
SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN
A
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
pig
sample
9823
PANCREAS
Sus scrofa
2.10
41.32
THE COMPLEX WAS DONE BY SOAKING OF THE INHIBITOR. THE
NATIVE ELASTASE CRYSTALS WERE TRANSFERRED FROM THE SITTING
DROP TO A HIGH-SALT MOTHER LIQUOR CONTAINING THE
TFA-LYS-PRO-ISO INHIBITOR AT A CONCENTRATION OF 0.1
MILLIMOLAR. THE INHIBITOR WAS SOAKED FOR FOUR DAYS.
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Other
1
0
1994-06-22
1
1
2008-03-03
1
2
2011-07-13
1
3
2012-12-12
SHEET
THE SHEETS PRESENTED AS *S1* AND *S2* IN SHEET RECORDS
BELOW ARE ACTUALLY TWO SIX-STRANDED BETA BARRELS. THIS IS
REPRESENTED BY TWO SEVEN-STRANDED SHEETS IN WHICH THE
FIRST AND LAST STRANDS OF EACH SHEET ARE IDENTICAL.
Y
1993-12-07
REL
0Z4
6-ammonio-N-(trifluoroacetyl)-L-norleucyl-N-[4-(1-methylethyl)phenyl]-L-leucinamide
CA
CALCIUM ION
SO4
SULFATE ION
HOH
water
THE IDENTITY OF ASN A 81 AGREES WITH THE SEQUENCES OF
SEVERAL OTHER ELASTASE STRUCTURES. THE AUTHORS, THEREFORE,
BELIEVE IT TO BE CORRECT.
Inhibitor
TRIFLUOROACETYL-L-LYSYL-L-LEUCYL-P-ISOPROPYLANILIDE
Peptide-like
TFA
256
2
0Z4
0Z4
256
A
CA
280
3
CA
CA
280
A
SO4
290
4
SO4
SO4
290
A
HOH
301
5
HOH
HOH
301
A
HOH
302
5
HOH
HOH
302
A
HOH
303
5
HOH
HOH
303
A
HOH
304
5
HOH
HOH
304
A
HOH
305
5
HOH
HOH
305
A
HOH
306
5
HOH
HOH
306
A
HOH
307
5
HOH
HOH
307
A
HOH
308
5
HOH
HOH
308
A
HOH
309
5
HOH
HOH
309
A
HOH
311
5
HOH
HOH
311
A
HOH
312
5
HOH
HOH
312
A
HOH
313
5
HOH
HOH
313
A
HOH
314
5
HOH
HOH
314
A
HOH
315
5
HOH
HOH
315
A
HOH
316
5
HOH
HOH
316
A
HOH
317
5
HOH
HOH
317
A
HOH
318
5
HOH
HOH
318
A
HOH
319
5
HOH
HOH
319
A
HOH
320
5
HOH
HOH
320
A
HOH
321
5
HOH
HOH
321
A
HOH
322
5
HOH
HOH
322
A
HOH
323
5
HOH
HOH
323
A
HOH
324
5
HOH
HOH
324
A
HOH
326
5
HOH
HOH
326
A
HOH
328
5
HOH
HOH
328
A
HOH
402
5
HOH
HOH
402
A
HOH
403
5
HOH
HOH
403
A
HOH
404
5
HOH
HOH
404
A
HOH
405
5
HOH
HOH
405
A
HOH
407
5
HOH
HOH
407
A
HOH
411
5
HOH
HOH
411
A
HOH
412
5
HOH
HOH
412
A
HOH
413
5
HOH
HOH
413
A
HOH
414
5
HOH
HOH
414
A
HOH
416
5
HOH
HOH
416
A
HOH
418
5
HOH
HOH
418
A
HOH
421
5
HOH
HOH
421
A
HOH
423
5
HOH
HOH
423
A
HOH
425
5
HOH
HOH
425
A
HOH
430
5
HOH
HOH
430
A
HOH
432
5
HOH
HOH
432
A
HOH
438
5
HOH
HOH
438
A
HOH
445
5
HOH
HOH
445
A
HOH
450
5
HOH
HOH
450
A
HOH
451
5
HOH
HOH
451
A
HOH
455
5
HOH
HOH
455
A
HOH
515
5
HOH
HOH
515
A
HOH
518
5
HOH
HOH
518
A
HOH
519
5
HOH
HOH
519
A
HOH
522
5
HOH
HOH
522
A
HOH
525
5
HOH
HOH
525
A
HOH
531
5
HOH
HOH
531
A
HOH
538
5
HOH
HOH
538
A
HOH
540
5
HOH
HOH
540
A
HOH
541
5
HOH
HOH
541
A
HOH
542
5
HOH
HOH
542
A
HOH
578
5
HOH
HOH
578
A
HOH
579
5
HOH
HOH
579
A
HOH
581
5
HOH
HOH
581
A
HOH
582
5
HOH
HOH
582
A
HOH
585
5
HOH
HOH
585
A
HOH
586
5
HOH
HOH
586
A
HOH
588
5
HOH
HOH
588
A
HOH
589
5
HOH
HOH
589
A
HOH
590
5
HOH
HOH
590
A
HOH
591
5
HOH
HOH
591
A
HOH
595
5
HOH
HOH
595
A
HOH
597
5
HOH
HOH
597
A
HOH
599
5
HOH
HOH
599
A
HOH
600
5
HOH
HOH
600
A
HOH
603
5
HOH
HOH
603
A
HOH
604
5
HOH
HOH
604
A
HOH
605
5
HOH
HOH
605
A
HOH
607
5
HOH
HOH
607
A
HOH
608
5
HOH
HOH
608
A
HOH
610
5
HOH
HOH
610
A
HOH
611
5
HOH
HOH
611
A
HOH
617
5
HOH
HOH
617
A
HOH
618
5
HOH
HOH
618
A
HOH
624
5
HOH
HOH
624
A
HOH
629
5
HOH
HOH
629
A
HOH
630
5
HOH
HOH
630
A
HOH
632
5
HOH
HOH
632
A
HOH
634
5
HOH
HOH
634
A
HOH
651
5
HOH
HOH
651
A
HOH
654
5
HOH
HOH
654
A
HOH
655
5
HOH
HOH
655
A
HOH
656
5
HOH
HOH
656
A
HOH
662
5
HOH
HOH
662
A
HOH
664
5
HOH
HOH
664
A
HOH
671
5
HOH
HOH
671
A
HOH
672
5
HOH
HOH
672
A
HOH
673
5
HOH
HOH
673
A
HOH
674
5
HOH
HOH
674
A
HOH
675
5
HOH
HOH
675
A
HOH
676
5
HOH
HOH
676
A
HOH
677
5
HOH
HOH
677
A
HOH
678
5
HOH
HOH
678
A
HOH
681
5
HOH
HOH
681
A
HOH
682
5
HOH
HOH
682
A
HOH
683
5
HOH
HOH
683
A
HOH
684
5
HOH
HOH
684
A
HOH
685
5
HOH
HOH
685
A
HOH
686
5
HOH
HOH
686
A
HOH
687
5
HOH
HOH
687
A
HOH
688
5
HOH
HOH
688
A
HOH
689
5
HOH
HOH
689
A
HOH
690
5
HOH
HOH
690
A
HOH
691
5
HOH
HOH
691
A
HOH
692
5
HOH
HOH
692
A
HOH
693
5
HOH
HOH
693
A
HOH
694
5
HOH
HOH
694
A
HOH
695
5
HOH
HOH
695
A
HOH
696
5
HOH
HOH
696
A
HOH
697
5
HOH
HOH
697
A
HOH
698
5
HOH
HOH
698
A
HOH
699
5
HOH
HOH
699
A
HOH
700
5
HOH
HOH
700
A
HOH
701
5
HOH
HOH
701
A
HOH
702
5
HOH
HOH
702
A
HOH
703
5
HOH
HOH
703
A
HOH
704
5
HOH
HOH
704
A
HOH
705
5
HOH
HOH
705
A
HOH
706
5
HOH
HOH
706
A
HOH
707
5
HOH
HOH
707
A
HOH
708
5
HOH
HOH
708
A
VAL
16
n
1
VAL
16
A
VAL
17
n
2
VAL
17
A
GLY
18
n
3
GLY
18
A
GLY
19
n
4
GLY
19
A
THR
20
n
5
THR
20
A
GLU
21
n
6
GLU
21
A
ALA
22
n
7
ALA
22
A
GLN
23
n
8
GLN
23
A
ARG
24
n
9
ARG
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
SER
29
n
14
SER
29
A
GLN
30
n
15
GLN
30
A
ILE
31
n
16
ILE
31
A
SER
32
n
17
SER
32
A
LEU
33
n
18
LEU
33
A
GLN
34
n
19
GLN
34
A
TYR
35
n
20
TYR
35
A
ARG
36
n
21
ARG
36
A
SER
37
n
22
SER
37
A
GLY
38
n
23
GLY
38
A
SER
39
n
24
SER
39
A
SER
40
n
25
SER
40
A
TRP
41
n
26
TRP
41
A
ALA
42
n
27
ALA
42
A
HIS
43
n
28
HIS
43
A
THR
44
n
29
THR
44
A
CYS
45
n
30
CYS
45
A
GLY
46
n
31
GLY
46
A
GLY
47
n
32
GLY
47
A
THR
48
n
33
THR
48
A
LEU
49
n
34
LEU
49
A
ILE
50
n
35
ILE
50
A
ARG
51
n
36
ARG
51
A
GLN
52
n
37
GLN
52
A
ASN
53
n
38
ASN
53
A
TRP
54
n
39
TRP
54
A
VAL
55
n
40
VAL
55
A
MET
56
n
41
MET
56
A
THR
57
n
42
THR
57
A
ALA
58
n
43
ALA
58
A
ALA
59
n
44
ALA
59
A
HIS
60
n
45
HIS
60
A
CYS
61
n
46
CYS
61
A
VAL
62
n
47
VAL
62
A
ASP
63
n
48
ASP
63
A
ARG
64
n
49
ARG
64
A
GLU
65
n
50
GLU
65
A
LEU
66
n
51
LEU
66
A
THR
67
n
52
THR
67
A
PHE
68
n
53
PHE
68
A
ARG
69
n
54
ARG
69
A
VAL
70
n
55
VAL
70
A
VAL
71
n
56
VAL
71
A
VAL
72
n
57
VAL
72
A
GLY
73
n
58
GLY
73
A
GLU
74
n
59
GLU
74
A
HIS
75
n
60
HIS
75
A
ASN
76
n
61
ASN
76
A
LEU
77
n
62
LEU
77
A
ASN
78
n
63
ASN
78
A
GLN
79
n
64
GLN
79
A
ASN
80
n
65
ASN
80
A
ASN
81
n
66
ASN
81
A
GLY
82
n
67
GLY
82
A
THR
83
n
68
THR
83
A
GLU
84
n
69
GLU
84
A
GLN
85
n
70
GLN
85
A
TYR
86
n
71
TYR
86
A
VAL
87
n
72
VAL
87
A
GLY
88
n
73
GLY
88
A
VAL
89
n
74
VAL
89
A
GLN
90
n
75
GLN
90
A
LYS
91
n
76
LYS
91
A
ILE
92
n
77
ILE
92
A
VAL
93
n
78
VAL
93
A
VAL
94
n
79
VAL
94
A
HIS
95
n
80
HIS
95
A
PRO
96
n
81
PRO
96
A
TYR
97
n
82
TYR
97
A
TRP
98
n
83
TRP
98
A
ASN
99
n
84
ASN
99
A
THR
100
n
85
THR
100
A
ASP
101
n
86
ASP
101
A
ASP
102
n
87
ASP
102
A
VAL
103
n
88
VAL
103
A
ALA
104
n
89
ALA
104
A
ALA
105
n
90
ALA
105
A
GLY
106
n
91
GLY
106
A
TYR
107
n
92
TYR
107
A
ASP
108
n
93
ASP
108
A
ILE
109
n
94
ILE
109
A
ALA
110
n
95
ALA
110
A
LEU
111
n
96
LEU
111
A
LEU
112
n
97
LEU
112
A
ARG
113
n
98
ARG
113
A
LEU
114
n
99
LEU
114
A
ALA
115
n
100
ALA
115
A
GLN
116
n
101
GLN
116
A
SER
117
n
102
SER
117
A
VAL
118
n
103
VAL
118
A
THR
119
n
104
THR
119
A
LEU
120
n
105
LEU
120
A
ASN
121
n
106
ASN
121
A
SER
122
n
107
SER
122
A
TYR
123
n
108
TYR
123
A
VAL
124
n
109
VAL
124
A
GLN
125
n
110
GLN
125
A
LEU
126
n
111
LEU
126
A
GLY
127
n
112
GLY
127
A
VAL
128
n
113
VAL
128
A
LEU
129
n
114
LEU
129
A
PRO
130
n
115
PRO
130
A
ARG
131
n
116
ARG
131
A
ALA
132
n
117
ALA
132
A
GLY
133
n
118
GLY
133
A
THR
134
n
119
THR
134
A
ILE
135
n
120
ILE
135
A
LEU
136
n
121
LEU
136
A
ALA
137
n
122
ALA
137
A
ASN
138
n
123
ASN
138
A
ASN
139
n
124
ASN
139
A
SER
140
n
125
SER
140
A
PRO
141
n
126
PRO
141
A
CYS
142
n
127
CYS
142
A
TYR
143
n
128
TYR
143
A
ILE
144
n
129
ILE
144
A
THR
145
n
130
THR
145
A
GLY
146
n
131
GLY
146
A
TRP
147
n
132
TRP
147
A
GLY
148
n
133
GLY
148
A
LEU
149
n
134
LEU
149
A
THR
150
n
135
THR
150
A
ARG
151
n
136
ARG
151
A
THR
152
n
137
THR
152
A
ASN
153
n
138
ASN
153
A
GLY
154
n
139
GLY
154
A
GLN
155
n
140
GLN
155
A
LEU
156
n
141
LEU
156
A
ALA
157
n
142
ALA
157
A
GLN
158
n
143
GLN
158
A
THR
159
n
144
THR
159
A
LEU
160
n
145
LEU
160
A
GLN
161
n
146
GLN
161
A
GLN
162
n
147
GLN
162
A
ALA
163
n
148
ALA
163
A
TYR
164
n
149
TYR
164
A
LEU
165
n
150
LEU
165
A
PRO
166
n
151
PRO
166
A
THR
167
n
152
THR
167
A
VAL
168
n
153
VAL
168
A
ASP
169
n
154
ASP
169
A
TYR
170
n
155
TYR
170
A
ALA
171
n
156
ALA
171
A
ILE
172
n
157
ILE
172
A
CYS
173
n
158
CYS
173
A
SER
174
n
159
SER
174
A
SER
175
n
160
SER
175
A
SER
176
n
161
SER
176
A
SER
177
n
162
SER
177
A
TYR
178
n
163
TYR
178
A
TRP
179
n
164
TRP
179
A
GLY
180
n
165
GLY
180
A
SER
181
n
166
SER
181
A
THR
182
n
167
THR
182
A
VAL
183
n
168
VAL
183
A
LYS
184
n
169
LYS
184
A
ASN
185
n
170
ASN
185
A
SER
186
n
171
SER
186
A
MET
187
n
172
MET
187
A
VAL
188
n
173
VAL
188
A
CYS
189
n
174
CYS
189
A
ALA
190
n
175
ALA
190
A
GLY
191
n
176
GLY
191
A
GLY
192
n
177
GLY
192
A
ASP
193
n
178
ASP
193
A
GLY
194
n
179
GLY
194
A
VAL
195
n
180
VAL
195
A
ARG
196
n
181
ARG
196
A
SER
197
n
182
SER
197
A
GLY
198
n
183
GLY
198
A
CYS
199
n
184
CYS
199
A
GLN
200
n
185
GLN
200
A
GLY
201
n
186
GLY
201
A
ASP
202
n
187
ASP
202
A
SER
203
n
188
SER
203
A
GLY
204
n
189
GLY
204
A
GLY
205
n
190
GLY
205
A
PRO
206
n
191
PRO
206
A
LEU
207
n
192
LEU
207
A
HIS
208
n
193
HIS
208
A
CYS
209
n
194
CYS
209
A
LEU
210
n
195
LEU
210
A
VAL
211
n
196
VAL
211
A
ASN
212
n
197
ASN
212
A
GLY
213
n
198
GLY
213
A
GLN
214
n
199
GLN
214
A
TYR
215
n
200
TYR
215
A
ALA
216
n
201
ALA
216
A
VAL
217
n
202
VAL
217
A
HIS
218
n
203
HIS
218
A
GLY
219
n
204
GLY
219
A
VAL
220
n
205
VAL
220
A
THR
221
n
206
THR
221
A
SER
222
n
207
SER
222
A
PHE
223
n
208
PHE
223
A
VAL
224
n
209
VAL
224
A
SER
225
n
210
SER
225
A
ARG
226
n
211
ARG
226
A
LEU
227
n
212
LEU
227
A
GLY
228
n
213
GLY
228
A
CYS
229
n
214
CYS
229
A
ASN
230
n
215
ASN
230
A
VAL
231
n
216
VAL
231
A
THR
232
n
217
THR
232
A
ARG
233
n
218
ARG
233
A
LYS
234
n
219
LYS
234
A
PRO
235
n
220
PRO
235
A
THR
236
n
221
THR
236
A
VAL
237
n
222
VAL
237
A
PHE
238
n
223
PHE
238
A
THR
239
n
224
THR
239
A
ARG
240
n
225
ARG
240
A
VAL
241
n
226
VAL
241
A
SER
242
n
227
SER
242
A
ALA
243
n
228
ALA
243
A
TYR
244
n
229
TYR
244
A
ILE
245
n
230
ILE
245
A
SER
246
n
231
SER
246
A
TRP
247
n
232
TRP
247
A
ILE
248
n
233
ILE
248
A
ASN
249
n
234
ASN
249
A
ASN
250
n
235
ASN
250
A
VAL
251
n
236
VAL
251
A
ILE
252
n
237
ILE
252
A
ALA
253
n
238
ALA
253
A
SER
254
n
239
SER
254
A
ASN
255
n
240
ASN
255
A
author_defined_assembly
1
monomeric
A
ASN
76
A
O
ASN
61
1_555
A
CA
280
C
CA
CA
1_555
A
GLU
84
A
OE2
GLU
69
1_555
148.3
A
ASN
76
A
O
ASN
61
1_555
A
CA
280
C
CA
CA
1_555
A
HOH
673
E
O
HOH
1_555
104.4
A
GLU
84
A
OE2
GLU
69
1_555
A
CA
280
C
CA
CA
1_555
A
HOH
673
E
O
HOH
1_555
102.2
A
ASN
76
A
O
ASN
61
1_555
A
CA
280
C
CA
CA
1_555
A
GLU
74
A
OE1
GLU
59
1_555
79.6
A
GLU
84
A
OE2
GLU
69
1_555
A
CA
280
C
CA
CA
1_555
A
GLU
74
A
OE1
GLU
59
1_555
85.1
A
HOH
673
E
O
HOH
1_555
A
CA
280
C
CA
CA
1_555
A
GLU
74
A
OE1
GLU
59
1_555
86.7
A
ASN
76
A
O
ASN
61
1_555
A
CA
280
C
CA
CA
1_555
A
GLN
79
A
O
GLN
64
1_555
87.6
A
GLU
84
A
OE2
GLU
69
1_555
A
CA
280
C
CA
CA
1_555
A
GLN
79
A
O
GLN
64
1_555
97.0
A
HOH
673
E
O
HOH
1_555
A
CA
280
C
CA
CA
1_555
A
GLN
79
A
O
GLN
64
1_555
114.0
A
GLU
74
A
OE1
GLU
59
1_555
A
CA
280
C
CA
CA
1_555
A
GLN
79
A
O
GLN
64
1_555
158.0
A
ASN
76
A
O
ASN
61
1_555
A
CA
280
C
CA
CA
1_555
A
ASN
81
A
OD1
ASN
66
1_555
78.5
A
GLU
84
A
OE2
GLU
69
1_555
A
CA
280
C
CA
CA
1_555
A
ASN
81
A
OD1
ASN
66
1_555
71.2
A
HOH
673
E
O
HOH
1_555
A
CA
280
C
CA
CA
1_555
A
ASN
81
A
OD1
ASN
66
1_555
163.5
A
GLU
74
A
OE1
GLU
59
1_555
A
CA
280
C
CA
CA
1_555
A
ASN
81
A
OD1
ASN
66
1_555
77.8
A
GLN
79
A
O
GLN
64
1_555
A
CA
280
C
CA
CA
1_555
A
ASN
81
A
OD1
ASN
66
1_555
82.2
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
3.31
0.50
120.30
123.61
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
1
-3.62
0.50
120.30
116.68
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
24
24
24
N
1
7.12
0.80
106.30
113.42
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
27
27
27
N
1
-6.01
1.00
110.10
104.09
A
A
A
CG
CD1
NE1
TRP
TRP
TRP
27
27
27
N
1
-6.13
0.80
107.30
101.17
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
27
27
27
N
1
6.47
0.80
106.30
112.77
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
41
41
41
N
1
-5.35
0.80
107.30
101.95
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
41
41
41
N
1
5.34
0.80
106.30
111.64
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
54
54
54
N
1
-5.25
0.80
107.30
102.05
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
54
54
54
N
1
3.61
0.50
120.30
123.91
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
64
64
64
N
1
5.45
0.80
106.30
111.75
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
98
98
98
N
1
-6.23
0.80
107.30
101.07
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
98
98
98
N
1
5.49
0.90
133.90
139.39
A
A
A
CG
CD2
CE3
TRP
TRP
TRP
98
98
98
N
1
6.67
1.10
114.20
120.87
A
A
A
CA
CB
SG
CYS
CYS
CYS
142
142
142
N
1
6.76
0.80
106.30
113.06
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
147
147
147
N
1
-5.92
0.80
107.30
101.38
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
147
147
147
N
1
5.70
0.80
106.30
112.00
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
179
179
179
N
1
-5.52
0.80
107.30
101.78
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
179
179
179
N
1
-3.61
0.50
120.30
116.69
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
226
226
226
N
1
4.17
0.50
120.30
124.47
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
240
240
240
N
1
-6.58
0.50
120.30
113.72
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
240
240
240
N
1
6.64
0.80
106.30
112.94
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
247
247
247
N
1
-5.97
0.80
107.30
101.33
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
247
247
247
N
1
6.26
0.90
133.90
140.16
A
A
A
CG
CD2
CE3
TRP
TRP
TRP
247
247
247
N
1
A
A
NE2
CD2
HIS
HIS
60
60
-0.070
0.011
1.373
1.303
N
1
A
A
NE2
CD2
HIS
HIS
75
75
-0.075
0.011
1.373
1.298
N
1
A
A
NE2
CD2
HIS
HIS
95
95
-0.074
0.011
1.373
1.299
N
1
A
A
NE2
CD2
HIS
HIS
208
208
-0.079
0.011
1.373
1.294
N
1
A
A
CE2
OE1
TYR
GLN
97
214
1.35
1_555
3_746
1
A
A
CZ
OE1
TYR
GLN
97
214
1.44
1_555
3_746
1
A
A
N
O
PRO
HOH
96
412
1.58
1_555
3_746
1
A
A
CD
CB
PRO
ASN
96
212
1.69
1_555
3_746
1
A
A
NE2
O
GLN
HOH
155
630
1.77
1_555
2_664
1
A
A
CE1
NE2
TYR
GLN
97
214
1.83
1_555
3_746
1
A
A
CA
CD1
GLY
TRP
213
247
1.83
1_555
3_756
1
A
A
CA
O
PRO
HOH
96
412
1.87
1_555
3_746
1
A
A
CG
CB
PRO
ASN
96
212
1.90
1_555
3_746
1
A
A
C
O
HIS
HOH
95
412
1.92
1_555
3_746
1
A
A
CD2
OE1
TYR
GLN
97
214
2.03
1_555
3_746
1
A
A
CZ
CD
TYR
GLN
97
214
2.11
1_555
3_746
1
A
A
CE1
OE1
TYR
GLN
97
214
2.13
1_555
3_746
1
A
A
OH
CG1
TYR
VAL
97
128
2.14
1_555
3_746
1
A
HIS
75
-123.39
-51.76
1
A
TYR
178
-101.53
-114.09
1
A
SER
222
-126.97
-53.81
0.15
0.15
2.1
10.
1
0.0
2.1
10.
126
1987
39
0
1822
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
ELASTASE (E.C.3.4.21.36) COMPLEXED WITH TRIFLUOROACETYL-L-LYSYL-L-LEUCYL-P-ISOPROPYLANILIDE
Analogous inhibitors of elastase do not always bind analogously
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
A
ASP
169
A
ASP
154
HELX_P
A
SER
175
A
SER
160
1
H1
7
A
TYR
244
A
TYR
229
HELX_P
A
ASN
255
A
ASN
240
1
H2
12
disulf
2.026
A
CYS
45
A
SG
CYS
30
1_555
A
CYS
61
A
SG
CYS
46
1_555
disulf
2.004
A
CYS
142
A
SG
CYS
127
1_555
A
CYS
209
A
SG
CYS
194
1_555
disulf
2.003
A
CYS
173
A
SG
CYS
158
1_555
A
CYS
189
A
SG
CYS
174
1_555
disulf
2.022
A
CYS
199
A
SG
CYS
184
1_555
A
CYS
229
A
SG
CYS
214
1_555
covale
1.437
A
ARG
151
A
NH2
ARG
136
2_665
A
SO4
290
D
O1
SO4
1_555
metalc
2.432
A
CA
280
C
CA
CA
1_555
A
ASN
76
A
O
ASN
61
1_555
metalc
2.590
A
CA
280
C
CA
CA
1_555
A
GLU
84
A
OE2
GLU
69
1_555
metalc
2.647
A
CA
280
C
CA
CA
1_555
A
HOH
673
E
O
HOH
1_555
metalc
2.796
A
CA
280
C
CA
CA
1_555
A
GLU
74
A
OE1
GLU
59
1_555
metalc
2.454
A
CA
280
C
CA
CA
1_555
A
GLN
79
A
O
GLN
64
1_555
metalc
3.033
A
CA
280
C
CA
CA
1_555
A
ASN
81
A
OD1
ASN
66
1_555
HYDROLASE/HYDROLASE INHIBITOR
HYDROLASE-HYDROLASE INHIBITOR COMPLEX, SERINE PROTEINASE
EL1_PIG
UNP
1
27
P00772
VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNDGTEQYVGVQKIVVH
PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS
SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN
27
266
1ELB
16
255
P00772
A
1
1
240
1
ASP
CONFLICT
ASN
81
1ELB
A
P00772
UNP
92
66
7
7
3
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
A
SER
29
A
SER
14
A
SER
37
A
SER
22
A
SER
40
A
SER
25
A
ILE
50
A
ILE
35
A
ASN
53
A
ASN
38
A
ALA
59
A
ALA
44
A
ASP
108
A
ASP
93
A
GLN
116
A
GLN
101
A
GLU
84
A
GLU
69
A
HIS
95
A
HIS
80
A
PHE
68
A
PHE
53
A
GLY
73
A
GLY
58
A
SER
29
A
SER
14
A
SER
37
A
SER
22
A
ASN
139
A
ASN
124
A
THR
150
A
THR
135
A
GLY
154
A
GLY
139
A
VAL
168
A
VAL
153
A
SER
186
A
SER
171
A
VAL
195
A
VAL
180
A
ASN
230
A
ASN
215
A
VAL
241
A
VAL
226
A
HIS
218
A
HIS
203
A
VAL
224
A
VAL
209
A
SER
203
A
SER
188
A
CYS
209
A
CYS
194
A
SER
140
A
SER
125
A
THR
150
A
THR
135
A
GLY
154
A
GLY
139
A
ALA
157
A
ALA
142
A
TRP
147
A
TRP
132
A
LEU
149
A
LEU
134
A
GLN
200
A
GLN
185
A
ASP
202
A
ASP
187
BINDING SITE FOR RESIDUE 0Z4 A 256
Software
15
BINDING SITE FOR RESIDUE CA A 280
Software
6
BINDING SITE FOR RESIDUE SO4 A 290
Software
7
CATALYTIC TRIAD
Author
3
A
HIS
60
A
HIS
45
15
1_555
A
GLY
198
A
GLY
183
15
1_555
A
CYS
199
A
CYS
184
15
1_555
A
GLN
200
A
GLN
185
15
1_555
A
GLY
201
A
GLY
186
15
1_555
A
SER
203
A
SER
188
15
1_555
A
SER
222
A
SER
207
15
1_555
A
PHE
223
A
PHE
208
15
1_555
A
VAL
224
A
VAL
209
15
1_555
A
ARG
226
A
ARG
211
15
1_555
A
HOH
540
E
HOH
15
1_555
A
HOH
542
E
HOH
15
1_555
A
HOH
618
E
HOH
15
1_555
A
HOH
675
E
HOH
15
1_555
A
HOH
676
E
HOH
15
1_555
A
GLU
74
A
GLU
59
6
1_555
A
ASN
76
A
ASN
61
6
1_555
A
GLN
79
A
GLN
64
6
1_555
A
ASN
81
A
ASN
66
6
1_555
A
GLU
84
A
GLU
69
6
1_555
A
HOH
673
E
HOH
6
1_555
A
GLY
133
A
GLY
118
7
1_555
A
ARG
151
A
ARG
136
7
2_665
A
ARG
240
A
ARG
225
7
1_555
A
SER
242
A
SER
227
7
1_555
A
ALA
243
A
ALA
228
7
1_555
A
HOH
432
E
HOH
7
1_555
A
HOH
695
E
HOH
7
1_555
A
ASP
108
A
ASP
93
3
1_555
A
HIS
60
A
HIS
45
3
1_555
A
SER
203
A
SER
188
3
1_555
19
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