0.013895
0.000000
0.000000
0.000000
0.006597
0.000000
0.000000
0.000000
0.024301
0.00000
0.00000
0.00000
CIS PROLINE - PRO 23
Fujinaga, M.
Chernaia, M.M.
Tarasova, N.
Mosimann, S.C.
James, M.N.G.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
71.970
151.590
41.150
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
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
Protein Sci.
PRCIEI
0795
0961-8368
4
960
972
7663352
Crystal structure of human pepsin and its complex with pepstatin.
1995
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
214
143
Molecular and Crystal Structures of Monoclinic Porcine Pepsin Refined at 1.8 Angstroms Resolution
1990
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
AREA DETECTOR
1994-05-12
SAN DIEGO MULTIWIRE DETECTION SYSTEM
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
34631.887
PEPSIN 3A
3.4.23.1
1
man
polymer
18.015
water
136
nat
water
no
no
VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSM
TGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQ
SGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASEN
SDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQV
GLAPVA
VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSM
TGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQ
SGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASEN
SDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQV
GLAPVA
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
human
Homo
sample
9606
Homo sapiens
1
3.33
60.5
repository
Initial release
Version format compliance
Version format compliance
1
0
1995-04-20
1
1
2008-03-24
1
2
2011-07-13
Y
1995-01-23
REL
REL
HOH
water
HOH
1
2
HOH
HOH
327
A
HOH
2
2
HOH
HOH
328
A
HOH
3
2
HOH
HOH
329
A
HOH
4
2
HOH
HOH
330
A
HOH
5
2
HOH
HOH
331
A
HOH
6
2
HOH
HOH
332
A
HOH
7
2
HOH
HOH
333
A
HOH
8
2
HOH
HOH
334
A
HOH
9
2
HOH
HOH
335
A
HOH
10
2
HOH
HOH
336
A
HOH
11
2
HOH
HOH
337
A
HOH
12
2
HOH
HOH
338
A
HOH
13
2
HOH
HOH
339
A
HOH
14
2
HOH
HOH
340
A
HOH
15
2
HOH
HOH
341
A
HOH
16
2
HOH
HOH
342
A
HOH
17
2
HOH
HOH
343
A
HOH
18
2
HOH
HOH
344
A
HOH
19
2
HOH
HOH
345
A
HOH
20
2
HOH
HOH
346
A
HOH
21
2
HOH
HOH
347
A
HOH
22
2
HOH
HOH
348
A
HOH
23
2
HOH
HOH
349
A
HOH
24
2
HOH
HOH
350
A
HOH
25
2
HOH
HOH
351
A
HOH
26
2
HOH
HOH
352
A
HOH
27
2
HOH
HOH
353
A
HOH
28
2
HOH
HOH
354
A
HOH
29
2
HOH
HOH
355
A
HOH
30
2
HOH
HOH
356
A
HOH
31
2
HOH
HOH
357
A
HOH
32
2
HOH
HOH
358
A
HOH
33
2
HOH
HOH
359
A
HOH
34
2
HOH
HOH
360
A
HOH
35
2
HOH
HOH
361
A
HOH
36
2
HOH
HOH
362
A
HOH
37
2
HOH
HOH
363
A
HOH
38
2
HOH
HOH
364
A
HOH
39
2
HOH
HOH
365
A
HOH
40
2
HOH
HOH
366
A
HOH
41
2
HOH
HOH
367
A
HOH
42
2
HOH
HOH
368
A
HOH
43
2
HOH
HOH
369
A
HOH
44
2
HOH
HOH
370
A
HOH
45
2
HOH
HOH
371
A
HOH
46
2
HOH
HOH
372
A
HOH
47
2
HOH
HOH
373
A
HOH
48
2
HOH
HOH
374
A
HOH
49
2
HOH
HOH
375
A
HOH
50
2
HOH
HOH
376
A
HOH
51
2
HOH
HOH
377
A
HOH
52
2
HOH
HOH
378
A
HOH
53
2
HOH
HOH
379
A
HOH
54
2
HOH
HOH
380
A
HOH
55
2
HOH
HOH
381
A
HOH
56
2
HOH
HOH
382
A
HOH
57
2
HOH
HOH
383
A
HOH
58
2
HOH
HOH
384
A
HOH
59
2
HOH
HOH
385
A
HOH
60
2
HOH
HOH
386
A
HOH
61
2
HOH
HOH
387
A
HOH
62
2
HOH
HOH
388
A
HOH
63
2
HOH
HOH
389
A
HOH
64
2
HOH
HOH
390
A
HOH
65
2
HOH
HOH
391
A
HOH
66
2
HOH
HOH
392
A
HOH
67
2
HOH
HOH
393
A
HOH
68
2
HOH
HOH
394
A
HOH
69
2
HOH
HOH
395
A
HOH
70
2
HOH
HOH
396
A
HOH
71
2
HOH
HOH
397
A
HOH
72
2
HOH
HOH
398
A
HOH
73
2
HOH
HOH
399
A
HOH
74
2
HOH
HOH
400
A
HOH
75
2
HOH
HOH
401
A
HOH
76
2
HOH
HOH
402
A
HOH
77
2
HOH
HOH
403
A
HOH
78
2
HOH
HOH
404
A
HOH
79
2
HOH
HOH
405
A
HOH
80
2
HOH
HOH
406
A
HOH
81
2
HOH
HOH
407
A
HOH
82
2
HOH
HOH
408
A
HOH
83
2
HOH
HOH
409
A
HOH
84
2
HOH
HOH
410
A
HOH
85
2
HOH
HOH
411
A
HOH
86
2
HOH
HOH
412
A
HOH
87
2
HOH
HOH
413
A
HOH
88
2
HOH
HOH
414
A
HOH
89
2
HOH
HOH
415
A
HOH
90
2
HOH
HOH
416
A
HOH
91
2
HOH
HOH
417
A
HOH
92
2
HOH
HOH
418
A
HOH
93
2
HOH
HOH
419
A
HOH
94
2
HOH
HOH
420
A
HOH
95
2
HOH
HOH
421
A
HOH
96
2
HOH
HOH
422
A
HOH
97
2
HOH
HOH
423
A
HOH
98
2
HOH
HOH
424
A
HOH
99
2
HOH
HOH
425
A
HOH
100
2
HOH
HOH
426
A
HOH
101
2
HOH
HOH
427
A
HOH
102
2
HOH
HOH
428
A
HOH
103
2
HOH
HOH
429
A
HOH
104
2
HOH
HOH
430
A
HOH
105
2
HOH
HOH
431
A
HOH
106
2
HOH
HOH
432
A
HOH
107
2
HOH
HOH
433
A
HOH
108
2
HOH
HOH
434
A
HOH
109
2
HOH
HOH
435
A
HOH
110
2
HOH
HOH
436
A
HOH
111
2
HOH
HOH
437
A
HOH
112
2
HOH
HOH
438
A
HOH
113
2
HOH
HOH
439
A
HOH
114
2
HOH
HOH
440
A
HOH
115
2
HOH
HOH
441
A
HOH
116
2
HOH
HOH
442
A
HOH
117
2
HOH
HOH
443
A
HOH
118
2
HOH
HOH
444
A
HOH
119
2
HOH
HOH
445
A
HOH
120
2
HOH
HOH
446
A
HOH
121
2
HOH
HOH
447
A
HOH
122
2
HOH
HOH
448
A
HOH
123
2
HOH
HOH
449
A
HOH
124
2
HOH
HOH
450
A
HOH
125
2
HOH
HOH
451
A
HOH
126
2
HOH
HOH
452
A
HOH
127
2
HOH
HOH
453
A
HOH
128
2
HOH
HOH
454
A
HOH
129
2
HOH
HOH
455
A
HOH
130
2
HOH
HOH
456
A
HOH
131
2
HOH
HOH
457
A
HOH
132
2
HOH
HOH
458
A
HOH
133
2
HOH
HOH
459
A
HOH
134
2
HOH
HOH
460
A
HOH
135
2
HOH
HOH
461
A
HOH
136
2
HOH
HOH
462
A
VAL
1
n
1
VAL
1
A
ASP
2
n
2
ASP
2
A
GLU
3
n
3
GLU
3
A
GLN
4
n
4
GLN
4
A
PRO
5
n
5
PRO
5
A
LEU
6
n
6
LEU
6
A
GLU
7
n
7
GLU
7
A
ASN
8
n
8
ASN
8
A
TYR
9
n
9
TYR
9
A
LEU
10
n
10
LEU
10
A
ASP
11
n
11
ASP
11
A
MET
12
n
12
MET
12
A
GLU
13
n
13
GLU
13
A
TYR
14
n
14
TYR
14
A
PHE
15
n
15
PHE
15
A
GLY
16
n
16
GLY
16
A
THR
17
n
17
THR
17
A
ILE
18
n
18
ILE
18
A
GLY
19
n
19
GLY
19
A
ILE
20
n
20
ILE
20
A
GLY
21
n
21
GLY
21
A
THR
22
n
22
THR
22
A
PRO
23
n
23
PRO
23
A
ALA
24
n
24
ALA
24
A
GLN
25
n
25
GLN
25
A
ASP
26
n
26
ASP
26
A
PHE
27
n
27
PHE
27
A
THR
28
n
28
THR
28
A
VAL
29
n
29
VAL
29
A
VAL
30
n
30
VAL
30
A
PHE
31
n
31
PHE
31
A
ASP
32
n
32
ASP
32
A
THR
33
n
33
THR
33
A
GLY
34
n
34
GLY
34
A
SER
35
n
35
SER
35
A
SER
36
n
36
SER
36
A
ASN
37
n
37
ASN
37
A
LEU
38
n
38
LEU
38
A
TRP
39
n
39
TRP
39
A
VAL
40
n
40
VAL
40
A
PRO
41
n
41
PRO
41
A
SER
42
n
42
SER
42
A
VAL
43
n
43
VAL
43
A
TYR
44
n
44
TYR
44
A
CYS
45
n
45
CYS
45
A
SER
46
n
46
SER
46
A
SER
47
n
47
SER
47
A
LEU
48
n
48
LEU
48
A
ALA
49
n
49
ALA
49
A
CYS
50
n
50
CYS
50
A
THR
51
n
51
THR
51
A
ASN
52
n
52
ASN
52
A
HIS
53
n
53
HIS
53
A
ASN
54
n
54
ASN
54
A
ARG
55
n
55
ARG
55
A
PHE
56
n
56
PHE
56
A
ASN
57
n
57
ASN
57
A
PRO
58
n
58
PRO
58
A
GLU
59
n
59
GLU
59
A
ASP
60
n
60
ASP
60
A
SER
61
n
61
SER
61
A
SER
62
n
62
SER
62
A
THR
63
n
63
THR
63
A
TYR
64
n
64
TYR
64
A
GLN
65
n
65
GLN
65
A
SER
66
n
66
SER
66
A
THR
67
n
67
THR
67
A
SER
68
n
68
SER
68
A
GLU
69
n
69
GLU
69
A
THR
70
n
70
THR
70
A
VAL
71
n
71
VAL
71
A
SER
72
n
72
SER
72
A
ILE
73
n
73
ILE
73
A
THR
74
n
74
THR
74
A
TYR
75
n
75
TYR
75
A
GLY
76
n
76
GLY
76
A
THR
77
n
77
THR
77
A
GLY
78
n
78
GLY
78
A
SER
79
n
79
SER
79
A
MET
80
n
80
MET
80
A
THR
81
n
81
THR
81
A
GLY
82
n
82
GLY
82
A
ILE
83
n
83
ILE
83
A
LEU
84
n
84
LEU
84
A
GLY
85
n
85
GLY
85
A
TYR
86
n
86
TYR
86
A
ASP
87
n
87
ASP
87
A
THR
88
n
88
THR
88
A
VAL
89
n
89
VAL
89
A
GLN
90
n
90
GLN
90
A
VAL
91
n
91
VAL
91
A
GLY
92
n
92
GLY
92
A
GLY
93
n
93
GLY
93
A
ILE
94
n
94
ILE
94
A
SER
95
n
95
SER
95
A
ASP
96
n
96
ASP
96
A
THR
97
n
97
THR
97
A
ASN
98
n
98
ASN
98
A
GLN
99
n
99
GLN
99
A
ILE
100
n
100
ILE
100
A
PHE
101
n
101
PHE
101
A
GLY
102
n
102
GLY
102
A
LEU
103
n
103
LEU
103
A
SER
104
n
104
SER
104
A
GLU
105
n
105
GLU
105
A
THR
106
n
106
THR
106
A
GLU
107
n
107
GLU
107
A
PRO
108
n
108
PRO
108
A
GLY
109
n
109
GLY
109
A
SER
110
n
110
SER
110
A
PHE
111
n
111
PHE
111
A
LEU
112
n
112
LEU
112
A
TYR
113
n
113
TYR
113
A
TYR
114
n
114
TYR
114
A
ALA
115
n
115
ALA
115
A
PRO
116
n
116
PRO
116
A
PHE
117
n
117
PHE
117
A
ASP
118
n
118
ASP
118
A
GLY
119
n
119
GLY
119
A
ILE
120
n
120
ILE
120
A
LEU
121
n
121
LEU
121
A
GLY
122
n
122
GLY
122
A
LEU
123
n
123
LEU
123
A
ALA
124
n
124
ALA
124
A
TYR
125
n
125
TYR
125
A
PRO
126
n
126
PRO
126
A
SER
127
n
127
SER
127
A
ILE
128
n
128
ILE
128
A
SER
129
n
129
SER
129
A
SER
130
n
130
SER
130
A
SER
131
n
131
SER
131
A
GLY
132
n
132
GLY
132
A
ALA
133
n
133
ALA
133
A
THR
134
n
134
THR
134
A
PRO
135
n
135
PRO
135
A
VAL
136
n
136
VAL
136
A
PHE
137
n
137
PHE
137
A
ASP
138
n
138
ASP
138
A
ASN
139
n
139
ASN
139
A
ILE
140
n
140
ILE
140
A
TRP
141
n
141
TRP
141
A
ASN
142
n
142
ASN
142
A
GLN
143
n
143
GLN
143
A
GLY
144
n
144
GLY
144
A
LEU
145
n
145
LEU
145
A
VAL
146
n
146
VAL
146
A
SER
147
n
147
SER
147
A
GLN
148
n
148
GLN
148
A
ASP
149
n
149
ASP
149
A
LEU
150
n
150
LEU
150
A
PHE
151
n
151
PHE
151
A
SER
152
n
152
SER
152
A
VAL
153
n
153
VAL
153
A
TYR
154
n
154
TYR
154
A
LEU
155
n
155
LEU
155
A
SER
156
n
156
SER
156
A
ALA
157
n
157
ALA
157
A
ASP
158
n
158
ASP
158
A
ASP
159
n
159
ASP
159
A
GLN
160
n
160
GLN
160
A
SER
161
n
161
SER
161
A
GLY
162
n
162
GLY
162
A
SER
163
n
163
SER
163
A
VAL
164
n
164
VAL
164
A
VAL
165
n
165
VAL
165
A
ILE
166
n
166
ILE
166
A
PHE
167
n
167
PHE
167
A
GLY
168
n
168
GLY
168
A
GLY
169
n
169
GLY
169
A
ILE
170
n
170
ILE
170
A
ASP
171
n
171
ASP
171
A
SER
172
n
172
SER
172
A
SER
173
n
173
SER
173
A
TYR
174
n
174
TYR
174
A
TYR
175
n
175
TYR
175
A
THR
176
n
176
THR
176
A
GLY
177
n
177
GLY
177
A
SER
178
n
178
SER
178
A
LEU
179
n
179
LEU
179
A
ASN
180
n
180
ASN
180
A
TRP
181
n
181
TRP
181
A
VAL
182
n
182
VAL
182
A
PRO
183
n
183
PRO
183
A
VAL
184
n
184
VAL
184
A
THR
185
n
185
THR
185
A
VAL
186
n
186
VAL
186
A
GLU
187
n
187
GLU
187
A
GLY
188
n
188
GLY
188
A
TYR
189
n
189
TYR
189
A
TRP
190
n
190
TRP
190
A
GLN
191
n
191
GLN
191
A
ILE
192
n
192
ILE
192
A
THR
193
n
193
THR
193
A
VAL
194
n
194
VAL
194
A
ASP
195
n
195
ASP
195
A
SER
196
n
196
SER
196
A
ILE
197
n
197
ILE
197
A
THR
198
n
198
THR
198
A
MET
199
n
199
MET
199
A
ASN
200
n
200
ASN
200
A
GLY
201
n
201
GLY
201
A
GLU
202
n
202
GLU
202
A
ALA
203
n
203
ALA
203
A
ILE
204
n
204
ILE
204
A
ALA
205
n
205
ALA
205
A
CYS
206
n
206
CYS
206
A
ALA
207
n
207
ALA
207
A
GLU
208
n
208
GLU
208
A
GLY
209
n
209
GLY
209
A
CYS
210
n
210
CYS
210
A
GLN
211
n
211
GLN
211
A
ALA
212
n
212
ALA
212
A
ILE
213
n
213
ILE
213
A
VAL
214
n
214
VAL
214
A
ASP
215
n
215
ASP
215
A
THR
216
n
216
THR
216
A
GLY
217
n
217
GLY
217
A
THR
218
n
218
THR
218
A
SER
219
n
219
SER
219
A
LEU
220
n
220
LEU
220
A
LEU
221
n
221
LEU
221
A
THR
222
n
222
THR
222
A
GLY
223
n
223
GLY
223
A
PRO
224
n
224
PRO
224
A
THR
225
n
225
THR
225
A
SER
226
n
226
SER
226
A
PRO
227
n
227
PRO
227
A
ILE
228
n
228
ILE
228
A
ALA
229
n
229
ALA
229
A
ASN
230
n
230
ASN
230
A
ILE
231
n
231
ILE
231
A
GLN
232
n
232
GLN
232
A
SER
233
n
233
SER
233
A
ASP
234
n
234
ASP
234
A
ILE
235
n
235
ILE
235
A
GLY
236
n
236
GLY
236
A
ALA
237
n
237
ALA
237
A
SER
238
n
238
SER
238
A
GLU
239
n
239
GLU
239
A
ASN
240
n
240
ASN
240
A
SER
241
n
241
SER
241
A
ASP
242
n
242
ASP
242
A
GLY
243
n
243
GLY
243
A
ASP
244
n
244
ASP
244
A
MET
245
n
245
MET
245
A
VAL
246
n
246
VAL
246
A
VAL
247
n
247
VAL
247
A
SER
248
n
248
SER
248
A
CYS
249
n
249
CYS
249
A
SER
250
n
250
SER
250
A
ALA
251
n
251
ALA
251
A
ILE
252
n
252
ILE
252
A
SER
253
n
253
SER
253
A
SER
254
n
254
SER
254
A
LEU
255
n
255
LEU
255
A
PRO
256
n
256
PRO
256
A
ASP
257
n
257
ASP
257
A
ILE
258
n
258
ILE
258
A
VAL
259
n
259
VAL
259
A
PHE
260
n
260
PHE
260
A
THR
261
n
261
THR
261
A
ILE
262
n
262
ILE
262
A
ASN
263
n
263
ASN
263
A
GLY
264
n
264
GLY
264
A
VAL
265
n
265
VAL
265
A
GLN
266
n
266
GLN
266
A
TYR
267
n
267
TYR
267
A
PRO
268
n
268
PRO
268
A
VAL
269
n
269
VAL
269
A
PRO
270
n
270
PRO
270
A
PRO
271
n
271
PRO
271
A
SER
272
n
272
SER
272
A
ALA
273
n
273
ALA
273
A
TYR
274
n
274
TYR
274
A
ILE
275
n
275
ILE
275
A
LEU
276
n
276
LEU
276
A
GLN
277
n
277
GLN
277
A
SER
278
n
278
SER
278
A
GLU
279
n
279
GLU
279
A
GLY
280
n
280
GLY
280
A
SER
281
n
281
SER
281
A
CYS
282
n
282
CYS
282
A
ILE
283
n
283
ILE
283
A
SER
284
n
284
SER
284
A
GLY
285
n
285
GLY
285
A
PHE
286
n
286
PHE
286
A
GLN
287
n
287
GLN
287
A
GLY
288
n
288
GLY
288
A
MET
289
n
289
MET
289
A
ASN
290
n
290
ASN
290
A
LEU
291
n
291
LEU
291
A
PRO
292
n
292
PRO
292
A
THR
293
n
293
THR
293
A
GLU
294
n
294
GLU
294
A
SER
295
n
295
SER
295
A
GLY
296
n
296
GLY
296
A
GLU
297
n
297
GLU
297
A
LEU
298
n
298
LEU
298
A
TRP
299
n
299
TRP
299
A
ILE
300
n
300
ILE
300
A
LEU
301
n
301
LEU
301
A
GLY
302
n
302
GLY
302
A
ASP
303
n
303
ASP
303
A
VAL
304
n
304
VAL
304
A
PHE
305
n
305
PHE
305
A
ILE
306
n
306
ILE
306
A
ARG
307
n
307
ARG
307
A
GLN
308
n
308
GLN
308
A
TYR
309
n
309
TYR
309
A
PHE
310
n
310
PHE
310
A
THR
311
n
311
THR
311
A
VAL
312
n
312
VAL
312
A
PHE
313
n
313
PHE
313
A
ASP
314
n
314
ASP
314
A
ARG
315
n
315
ARG
315
A
ALA
316
n
316
ALA
316
A
ASN
317
n
317
ASN
317
A
ASN
318
n
318
ASN
318
A
GLN
319
n
319
GLN
319
A
VAL
320
n
320
VAL
320
A
GLY
321
n
321
GLY
321
A
LEU
322
n
322
LEU
322
A
ALA
323
n
323
ALA
323
A
PRO
324
n
324
PRO
324
A
VAL
325
n
325
VAL
325
A
ALA
326
n
326
ALA
326
A
author_defined_assembly
1
monomeric
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
ASP
2
A
O
ASP
2
A
N
PHE
167
A
N
PHE
167
A
O
VAL
164
A
O
VAL
164
A
N
TYR
154
A
N
TYR
154
A
O
PHE
151
A
O
PHE
151
A
N
PHE
313
A
N
PHE
313
A
O
PHE
310
A
O
PHE
310
A
N
ALA
323
A
N
ALA
323
A
O
VAL
320
A
O
VAL
320
A
N
VAL
182
A
N
VAL
182
A
O
GLU
7
A
O
GLU
7
A
N
PHE
15
A
N
PHE
15
A
O
GLY
16
A
O
GLY
16
A
N
VAL
29
A
N
VAL
29
A
O
VAL
30
A
O
VAL
30
A
N
GLY
119
A
N
GLY
119
A
O
VAL
71
A
O
VAL
71
A
N
GLY
82
A
N
GLY
82
A
O
THR
81
A
O
THR
81
A
N
THR
106
A
N
THR
106
A
O
VAL
89
A
O
VAL
89
A
N
ASP
96
A
N
ASP
96
A
O
ILE
192
A
O
ILE
192
A
N
ALA
212
A
N
ALA
212
A
O
GLN
211
A
O
GLN
211
A
N
TRP
299
A
N
TRP
299
A
O
VAL
265
A
O
VAL
265
A
N
ILE
262
A
N
ILE
262
A
O
VAL
259
A
O
VAL
259
A
N
THR
198
A
N
THR
198
A
O
ILE
197
A
O
ILE
197
A
N
ALA
205
A
N
ALA
205
A
O
LEU
221
A
O
LEU
221
A
N
GLN
287
A
N
GLN
287
A
O
LEU
276
A
O
LEU
276
A
N
ILE
283
A
N
ILE
283
1
A
VAL
1
A
VAL
1
0
Y
1
A
SER
241
A
SER
241
0
Y
1
A
ASP
242
A
ASP
242
0
Y
1
A
GLY
243
A
GLY
243
0
Y
1
A
GLU
294
A
GLU
294
0
Y
1
A
SER
295
A
SER
295
0
Y
1
A
GLY
296
A
GLY
296
0
Y
1
A
LEU
301
12.62
1
A
PHE
27
0.080
SIDE CHAIN
1
A
TYR
154
0.097
SIDE CHAIN
1
A
TYR
175
0.071
SIDE CHAIN
1
-4.19
0.60
121.00
116.81
A
A
A
CB
CG
CD2
TYR
TYR
TYR
125
125
125
N
1
A
ASP
159
57.02
16.41
1
A
ASN
240
-100.71
-162.67
1
A
GLU
279
61.28
61.23
1
A
SER
295
-103.86
42.83
25.0
RESIDUES WITH ZERO OCCUPANCIES AND NEGATIVE B-FACTORS
ARE DISORDERED AND THEIR POSITIONS ARE NOT CONSIDERED
TO HAVE BEEN DETERMINED.
0.188
2.2
30.0
21303
89.9
1
0.0
2.2
30.0
136
2574
0
0
2438
0.010
2.39
2.81
1PSN
33057
0.0
1
75.0
refinement
GROMOS
data reduction
SAN
DIEGO SOFTWARE
PEPSIN 3A (E.C.3.4.23.1)
THE CRYSTAL STRUCTURE OF HUMAN PEPSIN AND ITS COMPLEX WITH PEPSTATIN
1
N
N
2
N
N
A
LEU
48
A
LEU
48
HELX_P
A
ASN
52
A
ASN
52
1
1
5
A
PRO
58
A
PRO
58
HELX_P
A
ASP
60
A
ASP
60
5
2
3
A
PHE
111
A
PHE
111
HELX_P
A
TYR
114
A
TYR
114
1
3
4
A
PRO
126
A
PRO
126
HELX_P
A
ILE
128
A
ILE
128
5
4
3
A
SER
130
A
SER
130
HELX_P
A
GLY
132
A
GLY
132
5
5
3
A
VAL
136
A
VAL
136
HELX_P
A
ASN
142
A
ASN
142
1
6
7
A
SER
172
A
SER
172
HELX_P
A
TYR
174
A
TYR
174
5
7
3
A
THR
225
A
THR
225
HELX_P
A
ASP
234
A
ASP
234
1
8
10
A
CYS
249
A
CYS
249
HELX_P
A
SER
254
A
SER
254
5
9
6
A
PRO
271
A
PRO
271
HELX_P
A
TYR
274
A
TYR
274
1
10
4
A
ASP
303
A
ASP
303
HELX_P
A
ILE
306
A
ILE
306
1
11
4
disulf
2.034
A
CYS
45
A
SG
CYS
45
1_555
A
CYS
50
A
SG
CYS
50
1_555
disulf
2.042
A
CYS
206
A
SG
CYS
206
1_555
A
CYS
210
A
SG
CYS
210
1_555
disulf
2.036
A
CYS
249
A
SG
CYS
249
1_555
A
CYS
282
A
SG
CYS
282
1_555
HYDROLASE (ACID PROTEINASE)
HYDROLASE (ACID PROTEINASE)
A
THR
22
A
THR
22
1
A
PRO
23
A
PRO
23
-4.09
PEPA_HUMAN
UNP
1
1
P00790
MKWLLLLGLVALSECIMYKVPLIRKKSLRRTLSERGLLKDFLKKHNLNPARKYFPQWEAPTLVDEQPLENYLDMEYFGTI
GIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTN
QIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGS
LNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDI
VFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA
63
388
1PSN
1
326
P00790
A
1
1
326
6
4
3
2
3
4
2
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
A
ASP
2
A
ASP
2
A
PRO
5
A
PRO
5
A
VAL
164
A
VAL
164
A
PHE
167
A
PHE
167
A
LEU
150
A
LEU
150
A
TYR
154
A
TYR
154
A
TYR
309
A
TYR
309
A
ASP
314
A
ASP
314
A
GLN
319
A
GLN
319
A
PRO
324
A
PRO
324
A
ASN
180
A
ASN
180
A
PRO
183
A
PRO
183
A
GLU
7
A
GLU
7
A
TYR
9
A
TYR
9
A
GLU
13
A
GLU
13
A
ILE
20
A
ILE
20
A
GLN
25
A
GLN
25
A
ASP
32
A
ASP
32
A
GLY
119
A
GLY
119
A
GLY
122
A
GLY
122
A
THR
70
A
THR
70
A
THR
74
A
THR
74
A
SER
79
A
SER
79
A
ASP
87
A
ASP
87
A
GLN
99
A
GLN
99
A
THR
106
A
THR
106
A
VAL
89
A
VAL
89
A
VAL
91
A
VAL
91
A
ILE
94
A
ILE
94
A
ASP
96
A
ASP
96
A
GLN
191
A
GLN
191
A
VAL
194
A
VAL
194
A
CYS
210
A
CYS
210
A
VAL
214
A
VAL
214
A
LEU
298
A
LEU
298
A
LEU
301
A
LEU
301
A
VAL
265
A
VAL
265
A
VAL
269
A
VAL
269
A
ILE
258
A
ILE
258
A
ILE
262
A
ILE
262
A
SER
196
A
SER
196
A
MET
199
A
MET
199
A
GLU
202
A
GLU
202
A
ALA
205
A
ALA
205
A
LEU
221
A
LEU
221
A
GLY
223
A
GLY
223
A
PHE
286
A
PHE
286
A
GLY
288
A
GLY
288
A
ILE
275
A
ILE
275
A
SER
278
A
SER
278
A
SER
281
A
SER
281
A
SER
284
A
SER
284
19
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