0.018657
0.000000
0.006790
0.000000
0.013504
0.000000
0.000000
0.000000
0.023286
0.00000
0.00000
0.00000
Read, J.A.
Cooper, J.B.
Toldo, L.
Bailey, D.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
110.00
90.00
53.600
74.050
45.700
C23 H38 N4 O4 S
466.637
N-[(2S)-2-amino-3-phenylpropyl]-D-methionyl-L-alanyl-L-isoleucine
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
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
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
N
1
N
O
N
2
N
C
N
3
N
N
N
4
N
S
N
5
N
C
N
6
R
C
N
7
N
C
N
8
N
C
N
9
N
C
N
10
N
N
N
11
S
C
N
12
N
C
Y
13
N
C
Y
14
N
C
Y
15
N
C
Y
16
N
C
Y
17
N
C
Y
18
N
C
N
19
N
N
N
20
S
C
N
21
N
C
N
22
N
O
N
23
N
C
N
24
N
N
N
25
S
C
N
26
N
C
N
27
N
O
N
28
S
C
N
29
N
C
N
30
N
C
N
31
N
C
N
32
N
O
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
H
N
59
N
H
N
60
N
H
N
61
N
H
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
N
N
72
S
C
N
73
N
C
N
74
N
O
N
75
N
C
N
76
N
O
N
77
N
H
N
78
N
H
N
79
N
H
N
80
N
H
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
N
N
85
S
C
N
86
N
C
N
87
N
O
N
88
N
C
N
89
N
C
N
90
N
C
N
91
N
N
N
92
N
C
N
93
N
N
N
94
N
N
N
95
N
O
N
96
N
H
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
N
N
112
S
C
N
113
N
C
N
114
N
O
N
115
N
C
N
116
N
C
N
117
N
O
N
118
N
N
N
119
N
O
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
N
N
129
S
C
N
130
N
C
N
131
N
O
N
132
N
C
N
133
N
C
N
134
N
O
N
135
N
O
N
136
N
O
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
N
N
145
R
C
N
146
N
C
N
147
N
O
N
148
N
C
N
149
N
S
N
150
N
O
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
N
N
159
S
C
N
160
N
C
N
161
N
O
N
162
N
C
N
163
N
C
N
164
N
C
N
165
N
O
N
166
N
N
N
167
N
O
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
N
N
179
S
C
N
180
N
C
N
181
N
O
N
182
N
C
N
183
N
C
N
184
N
C
N
185
N
O
N
186
N
O
N
187
N
O
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
N
N
198
N
C
N
199
N
C
N
200
N
O
N
201
N
O
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
N
N
208
S
C
N
209
N
C
N
210
N
O
N
211
N
C
Y
212
N
C
Y
213
N
N
Y
214
N
C
Y
215
N
C
Y
216
N
N
N
217
N
O
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
O
N
229
N
H
N
230
N
H
N
231
N
N
N
232
S
C
N
233
N
C
N
234
N
O
N
235
S
C
N
236
N
C
N
237
N
C
N
238
N
C
N
239
N
O
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
N
N
254
S
C
N
255
N
C
N
256
N
O
N
257
N
C
N
258
N
C
N
259
N
C
N
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
N
N
276
S
C
N
277
N
C
N
278
N
O
N
279
N
C
N
280
N
C
N
281
N
C
N
282
N
C
N
283
N
N
N
284
N
O
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
N
N
301
S
C
N
302
N
C
N
303
N
O
N
304
N
C
Y
305
N
C
Y
306
N
C
Y
307
N
C
Y
308
N
C
Y
309
N
C
Y
310
N
C
N
311
N
O
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
N
N
324
S
C
N
325
N
C
N
326
N
O
N
327
N
C
N
328
N
C
N
329
N
C
N
330
N
O
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
N
N
341
S
C
N
342
N
C
N
343
N
O
N
344
N
C
N
345
N
O
N
346
N
O
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
N
N
355
S
C
N
356
N
C
N
357
N
O
N
358
R
C
N
359
N
O
N
360
N
C
N
361
N
O
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
N
N
372
S
C
N
373
N
C
N
374
N
O
N
375
N
C
Y
376
N
C
Y
377
N
C
Y
378
N
C
Y
379
N
N
Y
380
N
C
Y
381
N
C
Y
382
N
C
Y
383
N
C
Y
384
N
C
N
385
N
O
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
N
N
399
S
C
N
400
N
C
N
401
N
O
N
402
N
C
Y
403
N
C
Y
404
N
C
Y
405
N
C
Y
406
N
C
Y
407
N
C
Y
408
N
C
N
409
N
O
N
410
N
O
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
H
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
N
N
423
S
C
N
424
N
C
N
425
N
O
N
426
N
C
N
427
N
C
N
428
N
C
N
429
N
O
N
430
N
H
N
431
N
H
N
432
N
H
N
433
N
H
N
434
N
H
N
435
N
H
N
436
N
H
N
437
N
H
N
438
N
H
N
439
N
H
N
440
N
H
N
1
N
doub
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
doub
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
sing
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
Y
59
N
doub
Y
60
N
sing
Y
61
N
doub
Y
62
N
sing
N
63
N
sing
Y
64
N
sing
N
65
N
sing
Y
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
sing
N
77
N
doub
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
doub
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
doub
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
doub
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
doub
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
doub
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
doub
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
doub
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
doub
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
doub
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
doub
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
doub
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
doub
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
Y
210
N
sing
Y
211
N
doub
Y
212
N
doub
N
213
N
sing
Y
214
N
sing
N
215
N
sing
Y
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
doub
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
doub
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
doub
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
doub
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
Y
299
N
doub
Y
300
N
sing
Y
301
N
sing
N
302
N
sing
Y
303
N
doub
N
304
N
sing
Y
305
N
doub
N
306
N
sing
Y
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
doub
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
doub
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
doub
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
doub
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
Y
368
N
doub
Y
369
N
sing
Y
370
N
sing
N
371
N
sing
Y
372
N
doub
Y
373
N
sing
Y
374
N
sing
N
375
N
sing
Y
376
N
sing
Y
377
N
doub
N
378
N
sing
Y
379
N
doub
N
380
N
sing
Y
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
doub
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
Y
396
N
doub
Y
397
N
sing
Y
398
N
sing
N
399
N
sing
Y
400
N
doub
N
401
N
sing
Y
402
N
doub
N
403
N
sing
Y
404
N
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
doub
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
Thesis
Refinement of Four Endothiapepsin Inhibitor Complexes. Crystallographic Studies of Cytochrome Ch from Methylobacterium Extorquens and Inhibitor Complexes of Aspartic Proteinases.
1999
10.2210/pdb1e5o/pdb
pdb_00001e5o
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
298.0
1
IMAGE PLATE
MARRESEARCH
NI FILTER
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
33813.855
ENDOTHIAPEPSIN
3.4.23.23
RESIDUE 90-419
1
nat
polymer
466.637
N-[(2S)-2-amino-3-phenylpropyl]-D-methionyl-L-alanyl-L-isoleucine
1
syn
non-polymer
18.015
water
189
nat
water
no
no
STGSATTTPIDSLDDAYITPVQIGTPAQTLNLDFDTGSSDLWVFSSETTASEVDGQTIYTPSKSTTAKLLSGATWSISYG
DGSSSSGDVYTDTVSVGGLTVTGQAVESAKKVSSSFTEDSTIDGLLGLAFSTLNTVSPTQQKTFFDNAKASLDSPVFTAD
LGYHAPGTYNFGFIDTTAYTGSITYTAVSTKQGFWEWTSTGYAVGSGTFKSTSIDGIADTGTTLLYLPATVVSAYWAQVS
GAKSSSSVGGYVFPCSATLPSFTFGVGSARIVIPGDYIDFGPISTGSSSCFGGIQSSAGIGINIFGDVALKAAFVVFNGA
TTPTLGFASK
STGSATTTPIDSLDDAYITPVQIGTPAQTLNLDFDTGSSDLWVFSSETTASEVDGQTIYTPSKSTTAKLLSGATWSISYG
DGSSSSGDVYTDTVSVGGLTVTGQAVESAKKVSSSFTEDSTIDGLLGLAFSTLNTVSPTQQKTFFDNAKASLDSPVFTAD
LGYHAPGTYNFGFIDTTAYTGSITYTAVSTKQGFWEWTSTGYAVGSGTFKSTSIDGIADTGTTLLYLPATVVSAYWAQVS
GAKSSSSVGGYVFPCSATLPSFTFGVGSARIVIPGDYIDFGPISTGSSSCFGGIQSSAGIGINIFGDVALKAAFVVFNGA
TTPTLGFASK
E
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
sample
5116
ENDOTHIA PARASITICA
1
2.48
50.50
5.00
BATCH METHOD PROTEIN: 10MG/ML, 50 MM AMMONIUM ACETATE PH 5.0, ~2.2 M AMMONIUM SULPHATE, 1% ACETONE. INHIBITOR WAS ADDED IN A 10:1 STOICHIOMETRIC RATIO.
chem_comp_atom
chem_comp_bond
citation
citation_editor
database_2
struct_site
pdbx_initial_refinement_model
repository
Initial release
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2000-09-07
1
1
2011-07-13
1
2
2023-11-29
1
3
2023-12-13
_citation.book_publisher
_citation.journal_abbrev
_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
PDBE
Y
PDBE
2000-07-28
REL
1
E
O
HOH
2029
7.26
1
E
O
HOH
2034
6.09
1
E
O
HOH
2064
6.07
3AI
N-[(2S)-2-amino-3-phenylpropyl]-D-methionyl-L-alanyl-L-isoleucine
HOH
water
CATALYTIC ACTIVITY: HYDROLYSIS OF PROTEINS WITH BROAD SPECIFICITY
SIMILAR TO THAT OF PEPSIN A, PREFERRING HYDROPHOBIC RESIDUES AT P1
AND P1', BUT DOES NOT CLEAVE 14-ALA-|-LEU-15 IN THE B CHAIN OF
INSULIN OR Z-GLU-TYR. CLOTS MILK.
SIMILARITY: BELONGS TO PEPTIDASE FAMILY A1; ALSO KNOWN AS THE
EUKARYOTIC ASPARTYL PROTEASES FAMILY.
4APE
PDB ENTRY 4APE
PDB
experimental model
3AI
327
2
3AI
3AI
327
E
HOH
2001
3
HOH
HOH
2001
E
HOH
2002
3
HOH
HOH
2002
E
HOH
2003
3
HOH
HOH
2003
E
HOH
2004
3
HOH
HOH
2004
E
HOH
2005
3
HOH
HOH
2005
E
HOH
2006
3
HOH
HOH
2006
E
HOH
2007
3
HOH
HOH
2007
E
HOH
2008
3
HOH
HOH
2008
E
HOH
2009
3
HOH
HOH
2009
E
HOH
2010
3
HOH
HOH
2010
E
HOH
2011
3
HOH
HOH
2011
E
HOH
2012
3
HOH
HOH
2012
E
HOH
2013
3
HOH
HOH
2013
E
HOH
2014
3
HOH
HOH
2014
E
HOH
2015
3
HOH
HOH
2015
E
HOH
2016
3
HOH
HOH
2016
E
HOH
2017
3
HOH
HOH
2017
E
HOH
2018
3
HOH
HOH
2018
E
HOH
2019
3
HOH
HOH
2019
E
HOH
2020
3
HOH
HOH
2020
E
HOH
2021
3
HOH
HOH
2021
E
HOH
2022
3
HOH
HOH
2022
E
HOH
2023
3
HOH
HOH
2023
E
HOH
2024
3
HOH
HOH
2024
E
HOH
2025
3
HOH
HOH
2025
E
HOH
2026
3
HOH
HOH
2026
E
HOH
2027
3
HOH
HOH
2027
E
HOH
2028
3
HOH
HOH
2028
E
HOH
2029
3
HOH
HOH
2029
E
HOH
2030
3
HOH
HOH
2030
E
HOH
2031
3
HOH
HOH
2031
E
HOH
2032
3
HOH
HOH
2032
E
HOH
2033
3
HOH
HOH
2033
E
HOH
2034
3
HOH
HOH
2034
E
HOH
2035
3
HOH
HOH
2035
E
HOH
2036
3
HOH
HOH
2036
E
HOH
2037
3
HOH
HOH
2037
E
HOH
2038
3
HOH
HOH
2038
E
HOH
2039
3
HOH
HOH
2039
E
HOH
2040
3
HOH
HOH
2040
E
HOH
2041
3
HOH
HOH
2041
E
HOH
2042
3
HOH
HOH
2042
E
HOH
2043
3
HOH
HOH
2043
E
HOH
2044
3
HOH
HOH
2044
E
HOH
2045
3
HOH
HOH
2045
E
HOH
2046
3
HOH
HOH
2046
E
HOH
2047
3
HOH
HOH
2047
E
HOH
2048
3
HOH
HOH
2048
E
HOH
2049
3
HOH
HOH
2049
E
HOH
2050
3
HOH
HOH
2050
E
HOH
2051
3
HOH
HOH
2051
E
HOH
2052
3
HOH
HOH
2052
E
HOH
2053
3
HOH
HOH
2053
E
HOH
2054
3
HOH
HOH
2054
E
HOH
2055
3
HOH
HOH
2055
E
HOH
2056
3
HOH
HOH
2056
E
HOH
2057
3
HOH
HOH
2057
E
HOH
2058
3
HOH
HOH
2058
E
HOH
2059
3
HOH
HOH
2059
E
HOH
2060
3
HOH
HOH
2060
E
HOH
2061
3
HOH
HOH
2061
E
HOH
2062
3
HOH
HOH
2062
E
HOH
2063
3
HOH
HOH
2063
E
HOH
2064
3
HOH
HOH
2064
E
HOH
2065
3
HOH
HOH
2065
E
HOH
2066
3
HOH
HOH
2066
E
HOH
2067
3
HOH
HOH
2067
E
HOH
2068
3
HOH
HOH
2068
E
HOH
2069
3
HOH
HOH
2069
E
HOH
2070
3
HOH
HOH
2070
E
HOH
2071
3
HOH
HOH
2071
E
HOH
2072
3
HOH
HOH
2072
E
HOH
2073
3
HOH
HOH
2073
E
HOH
2074
3
HOH
HOH
2074
E
HOH
2075
3
HOH
HOH
2075
E
HOH
2076
3
HOH
HOH
2076
E
HOH
2077
3
HOH
HOH
2077
E
HOH
2078
3
HOH
HOH
2078
E
HOH
2079
3
HOH
HOH
2079
E
HOH
2080
3
HOH
HOH
2080
E
HOH
2081
3
HOH
HOH
2081
E
HOH
2082
3
HOH
HOH
2082
E
HOH
2083
3
HOH
HOH
2083
E
HOH
2084
3
HOH
HOH
2084
E
HOH
2085
3
HOH
HOH
2085
E
HOH
2086
3
HOH
HOH
2086
E
HOH
2087
3
HOH
HOH
2087
E
HOH
2088
3
HOH
HOH
2088
E
HOH
2089
3
HOH
HOH
2089
E
HOH
2090
3
HOH
HOH
2090
E
HOH
2091
3
HOH
HOH
2091
E
HOH
2092
3
HOH
HOH
2092
E
HOH
2093
3
HOH
HOH
2093
E
HOH
2094
3
HOH
HOH
2094
E
HOH
2095
3
HOH
HOH
2095
E
HOH
2096
3
HOH
HOH
2096
E
HOH
2097
3
HOH
HOH
2097
E
HOH
2098
3
HOH
HOH
2098
E
HOH
2099
3
HOH
HOH
2099
E
HOH
2100
3
HOH
HOH
2100
E
HOH
2101
3
HOH
HOH
2101
E
HOH
2102
3
HOH
HOH
2102
E
HOH
2103
3
HOH
HOH
2103
E
HOH
2104
3
HOH
HOH
2104
E
HOH
2105
3
HOH
HOH
2105
E
HOH
2106
3
HOH
HOH
2106
E
HOH
2107
3
HOH
HOH
2107
E
HOH
2108
3
HOH
HOH
2108
E
HOH
2109
3
HOH
HOH
2109
E
HOH
2110
3
HOH
HOH
2110
E
HOH
2111
3
HOH
HOH
2111
E
HOH
2112
3
HOH
HOH
2112
E
HOH
2113
3
HOH
HOH
2113
E
HOH
2114
3
HOH
HOH
2114
E
HOH
2115
3
HOH
HOH
2115
E
HOH
2116
3
HOH
HOH
2116
E
HOH
2117
3
HOH
HOH
2117
E
HOH
2118
3
HOH
HOH
2118
E
HOH
2119
3
HOH
HOH
2119
E
HOH
2120
3
HOH
HOH
2120
E
HOH
2121
3
HOH
HOH
2121
E
HOH
2122
3
HOH
HOH
2122
E
HOH
2123
3
HOH
HOH
2123
E
HOH
2124
3
HOH
HOH
2124
E
HOH
2125
3
HOH
HOH
2125
E
HOH
2126
3
HOH
HOH
2126
E
HOH
2127
3
HOH
HOH
2127
E
HOH
2128
3
HOH
HOH
2128
E
HOH
2129
3
HOH
HOH
2129
E
HOH
2130
3
HOH
HOH
2130
E
HOH
2131
3
HOH
HOH
2131
E
HOH
2132
3
HOH
HOH
2132
E
HOH
2133
3
HOH
HOH
2133
E
HOH
2134
3
HOH
HOH
2134
E
HOH
2135
3
HOH
HOH
2135
E
HOH
2136
3
HOH
HOH
2136
E
HOH
2137
3
HOH
HOH
2137
E
HOH
2138
3
HOH
HOH
2138
E
HOH
2139
3
HOH
HOH
2139
E
HOH
2140
3
HOH
HOH
2140
E
HOH
2141
3
HOH
HOH
2141
E
HOH
2142
3
HOH
HOH
2142
E
HOH
2143
3
HOH
HOH
2143
E
HOH
2144
3
HOH
HOH
2144
E
HOH
2145
3
HOH
HOH
2145
E
HOH
2146
3
HOH
HOH
2146
E
HOH
2147
3
HOH
HOH
2147
E
HOH
2148
3
HOH
HOH
2148
E
HOH
2149
3
HOH
HOH
2149
E
HOH
2150
3
HOH
HOH
2150
E
HOH
2151
3
HOH
HOH
2151
E
HOH
2152
3
HOH
HOH
2152
E
HOH
2153
3
HOH
HOH
2153
E
HOH
2154
3
HOH
HOH
2154
E
HOH
2155
3
HOH
HOH
2155
E
HOH
2156
3
HOH
HOH
2156
E
HOH
2157
3
HOH
HOH
2157
E
HOH
2158
3
HOH
HOH
2158
E
HOH
2159
3
HOH
HOH
2159
E
HOH
2160
3
HOH
HOH
2160
E
HOH
2161
3
HOH
HOH
2161
E
HOH
2162
3
HOH
HOH
2162
E
HOH
2163
3
HOH
HOH
2163
E
HOH
2164
3
HOH
HOH
2164
E
HOH
2165
3
HOH
HOH
2165
E
HOH
2166
3
HOH
HOH
2166
E
HOH
2167
3
HOH
HOH
2167
E
HOH
2168
3
HOH
HOH
2168
E
HOH
2169
3
HOH
HOH
2169
E
HOH
2170
3
HOH
HOH
2170
E
HOH
2171
3
HOH
HOH
2171
E
HOH
2172
3
HOH
HOH
2172
E
HOH
2173
3
HOH
HOH
2173
E
HOH
2174
3
HOH
HOH
2174
E
HOH
2175
3
HOH
HOH
2175
E
HOH
2176
3
HOH
HOH
2176
E
HOH
2177
3
HOH
HOH
2177
E
HOH
2178
3
HOH
HOH
2178
E
HOH
2179
3
HOH
HOH
2179
E
HOH
2180
3
HOH
HOH
2180
E
HOH
2181
3
HOH
HOH
2181
E
HOH
2182
3
HOH
HOH
2182
E
HOH
2183
3
HOH
HOH
2183
E
HOH
2184
3
HOH
HOH
2184
E
HOH
2185
3
HOH
HOH
2185
E
HOH
2186
3
HOH
HOH
2186
E
HOH
2187
3
HOH
HOH
2187
E
HOH
2188
3
HOH
HOH
2188
E
HOH
2189
3
HOH
HOH
2189
E
SER
-2
n
1
SER
-2
E
THR
-1
n
2
THR
-1
E
GLY
0
n
3
GLY
0
E
SER
1
n
4
SER
1
E
ALA
2
n
5
ALA
2
E
THR
3
n
6
THR
3
E
THR
4
n
7
THR
4
E
THR
5
n
8
THR
5
E
PRO
6
n
9
PRO
6
E
ILE
7
n
10
ILE
7
E
ASP
8
n
11
ASP
8
E
SER
9
n
12
SER
9
E
LEU
10
n
13
LEU
10
E
ASP
11
n
14
ASP
11
E
ASP
12
n
15
ASP
12
E
ALA
13
n
16
ALA
13
E
TYR
14
n
17
TYR
14
E
ILE
15
n
18
ILE
15
E
THR
16
n
19
THR
16
E
PRO
17
n
20
PRO
17
E
VAL
18
n
21
VAL
18
E
GLN
19
n
22
GLN
19
E
ILE
20
n
23
ILE
20
E
GLY
21
n
24
GLY
21
E
THR
22
n
25
THR
22
E
PRO
23
n
26
PRO
23
E
ALA
24
n
27
ALA
24
E
GLN
25
n
28
GLN
25
E
THR
26
n
29
THR
26
E
LEU
27
n
30
LEU
27
E
ASN
28
n
31
ASN
28
E
LEU
29
n
32
LEU
29
E
ASP
30
n
33
ASP
30
E
PHE
31
n
34
PHE
31
E
ASP
32
n
35
ASP
32
E
THR
33
n
36
THR
33
E
GLY
34
n
37
GLY
34
E
SER
35
n
38
SER
35
E
SER
36
n
39
SER
36
E
ASP
37
n
40
ASP
37
E
LEU
38
n
41
LEU
38
E
TRP
39
n
42
TRP
39
E
VAL
40
n
43
VAL
40
E
PHE
41
n
44
PHE
41
E
SER
42
n
45
SER
42
E
SER
43
n
46
SER
43
E
GLU
44
n
47
GLU
44
E
THR
45
n
48
THR
45
E
THR
46
n
49
THR
46
E
ALA
47
n
50
ALA
47
E
SER
48
n
51
SER
48
E
GLU
49
n
52
GLU
49
E
VAL
50
n
53
VAL
50
E
ASP
51
n
54
ASP
51
E
GLY
52
n
55
GLY
52
E
GLN
53
n
56
GLN
53
E
THR
54
n
57
THR
54
E
ILE
55
n
58
ILE
55
E
TYR
56
n
59
TYR
56
E
THR
57
n
60
THR
57
E
PRO
58
n
61
PRO
58
E
SER
59
n
62
SER
59
E
LYS
60
n
63
LYS
60
E
SER
61
n
64
SER
61
E
THR
62
n
65
THR
62
E
THR
63
n
66
THR
63
E
ALA
63
n
67
A
ALA
63
E
LYS
64
n
68
LYS
64
E
LEU
65
n
69
LEU
65
E
LEU
66
n
70
LEU
66
E
SER
67
n
71
SER
67
E
GLY
68
n
72
GLY
68
E
ALA
69
n
73
ALA
69
E
THR
70
n
74
THR
70
E
TRP
71
n
75
TRP
71
E
SER
72
n
76
SER
72
E
ILE
73
n
77
ILE
73
E
SER
74
n
78
SER
74
E
TYR
75
n
79
TYR
75
E
GLY
76
n
80
GLY
76
E
ASP
77
n
81
ASP
77
E
GLY
78
n
82
GLY
78
E
SER
79
n
83
SER
79
E
SER
80
n
84
SER
80
E
SER
80
n
85
A
SER
80
E
SER
81
n
86
SER
81
E
GLY
82
n
87
GLY
82
E
ASP
83
n
88
ASP
83
E
VAL
84
n
89
VAL
84
E
TYR
85
n
90
TYR
85
E
THR
86
n
91
THR
86
E
ASP
87
n
92
ASP
87
E
THR
88
n
93
THR
88
E
VAL
89
n
94
VAL
89
E
SER
90
n
95
SER
90
E
VAL
91
n
96
VAL
91
E
GLY
92
n
97
GLY
92
E
GLY
93
n
98
GLY
93
E
LEU
94
n
99
LEU
94
E
THR
95
n
100
THR
95
E
VAL
96
n
101
VAL
96
E
THR
97
n
102
THR
97
E
GLY
98
n
103
GLY
98
E
GLN
99
n
104
GLN
99
E
ALA
100
n
105
ALA
100
E
VAL
101
n
106
VAL
101
E
GLU
102
n
107
GLU
102
E
SER
103
n
108
SER
103
E
ALA
104
n
109
ALA
104
E
LYS
105
n
110
LYS
105
E
LYS
106
n
111
LYS
106
E
VAL
107
n
112
VAL
107
E
SER
108
n
113
SER
108
E
SER
109
n
114
SER
109
E
SER
110
n
115
SER
110
E
PHE
111
n
116
PHE
111
E
THR
112
n
117
THR
112
E
GLU
113
n
118
GLU
113
E
ASP
114
n
119
ASP
114
E
SER
115
n
120
SER
115
E
THR
116
n
121
THR
116
E
ILE
117
n
122
ILE
117
E
ASP
118
n
123
ASP
118
E
GLY
119
n
124
GLY
119
E
LEU
120
n
125
LEU
120
E
LEU
121
n
126
LEU
121
E
GLY
122
n
127
GLY
122
E
LEU
123
n
128
LEU
123
E
ALA
124
n
129
ALA
124
E
PHE
125
n
130
PHE
125
E
SER
126
n
131
SER
126
E
THR
127
n
132
THR
127
E
LEU
128
n
133
LEU
128
E
ASN
129
n
134
ASN
129
E
THR
130
n
135
THR
130
E
VAL
131
n
136
VAL
131
E
SER
132
n
137
SER
132
E
PRO
133
n
138
PRO
133
E
THR
134
n
139
THR
134
E
GLN
134
n
140
A
GLN
134
E
GLN
135
n
141
GLN
135
E
LYS
136
n
142
LYS
136
E
THR
137
n
143
THR
137
E
PHE
138
n
144
PHE
138
E
PHE
139
n
145
PHE
139
E
ASP
140
n
146
ASP
140
E
ASN
141
n
147
ASN
141
E
ALA
142
n
148
ALA
142
E
LYS
143
n
149
LYS
143
E
ALA
144
n
150
ALA
144
E
SER
145
n
151
SER
145
E
LEU
146
n
152
LEU
146
E
ASP
147
n
153
ASP
147
E
SER
148
n
154
SER
148
E
PRO
149
n
155
PRO
149
E
VAL
150
n
156
VAL
150
E
PHE
151
n
157
PHE
151
E
THR
152
n
158
THR
152
E
ALA
153
n
159
ALA
153
E
ASP
154
n
160
ASP
154
E
LEU
155
n
161
LEU
155
E
GLY
156
n
162
GLY
156
E
TYR
157
n
163
TYR
157
E
HIS
158
n
164
HIS
158
E
ALA
159
n
165
ALA
159
E
PRO
162
n
166
PRO
162
E
GLY
163
n
167
GLY
163
E
THR
164
n
168
THR
164
E
TYR
165
n
169
TYR
165
E
ASN
166
n
170
ASN
166
E
PHE
167
n
171
PHE
167
E
GLY
168
n
172
GLY
168
E
PHE
169
n
173
PHE
169
E
ILE
170
n
174
ILE
170
E
ASP
171
n
175
ASP
171
E
THR
172
n
176
THR
172
E
THR
173
n
177
THR
173
E
ALA
174
n
178
ALA
174
E
TYR
175
n
179
TYR
175
E
THR
176
n
180
THR
176
E
GLY
177
n
181
GLY
177
E
SER
178
n
182
SER
178
E
ILE
179
n
183
ILE
179
E
THR
180
n
184
THR
180
E
TYR
181
n
185
TYR
181
E
THR
182
n
186
THR
182
E
ALA
183
n
187
ALA
183
E
VAL
184
n
188
VAL
184
E
SER
184
n
189
A
SER
184
E
THR
185
n
190
THR
185
E
LYS
186
n
191
LYS
186
E
GLN
187
n
192
GLN
187
E
GLY
188
n
193
GLY
188
E
PHE
189
n
194
PHE
189
E
TRP
190
n
195
TRP
190
E
GLU
191
n
196
GLU
191
E
TRP
192
n
197
TRP
192
E
THR
193
n
198
THR
193
E
SER
194
n
199
SER
194
E
THR
195
n
200
THR
195
E
GLY
196
n
201
GLY
196
E
TYR
197
n
202
TYR
197
E
ALA
198
n
203
ALA
198
E
VAL
199
n
204
VAL
199
E
GLY
200
n
205
GLY
200
E
SER
201
n
206
SER
201
E
GLY
202
n
207
GLY
202
E
THR
203
n
208
THR
203
E
PHE
203
n
209
A
PHE
203
E
LYS
204
n
210
LYS
204
E
SER
204
n
211
A
SER
204
E
THR
205
n
212
THR
205
E
SER
206
n
213
SER
206
E
ILE
207
n
214
ILE
207
E
ASP
211
n
215
ASP
211
E
GLY
212
n
216
GLY
212
E
ILE
213
n
217
ILE
213
E
ALA
214
n
218
ALA
214
E
ASP
215
n
219
ASP
215
E
THR
216
n
220
THR
216
E
GLY
217
n
221
GLY
217
E
THR
218
n
222
THR
218
E
THR
219
n
223
THR
219
E
LEU
220
n
224
LEU
220
E
LEU
221
n
225
LEU
221
E
TYR
222
n
226
TYR
222
E
LEU
223
n
227
LEU
223
E
PRO
224
n
228
PRO
224
E
ALA
225
n
229
ALA
225
E
THR
226
n
230
THR
226
E
VAL
227
n
231
VAL
227
E
VAL
228
n
232
VAL
228
E
SER
229
n
233
SER
229
E
ALA
230
n
234
ALA
230
E
TYR
231
n
235
TYR
231
E
TRP
232
n
236
TRP
232
E
ALA
233
n
237
ALA
233
E
GLN
234
n
238
GLN
234
E
VAL
235
n
239
VAL
235
E
SER
236
n
240
SER
236
E
GLY
237
n
241
GLY
237
E
ALA
238
n
242
ALA
238
E
LYS
238
n
243
A
LYS
238
E
SER
239
n
244
SER
239
E
SER
240
n
245
SER
240
E
SER
241
n
246
SER
241
E
SER
242
n
247
SER
242
E
VAL
243
n
248
VAL
243
E
GLY
244
n
249
GLY
244
E
GLY
245
n
250
GLY
245
E
TYR
246
n
251
TYR
246
E
VAL
247
n
252
VAL
247
E
PHE
248
n
253
PHE
248
E
PRO
249
n
254
PRO
249
E
CYS
250
n
255
CYS
250
E
SER
251
n
256
SER
251
E
ALA
252
n
257
ALA
252
E
THR
253
n
258
THR
253
E
LEU
254
n
259
LEU
254
E
PRO
255
n
260
PRO
255
E
SER
256
n
261
SER
256
E
PHE
257
n
262
PHE
257
E
THR
258
n
263
THR
258
E
PHE
259
n
264
PHE
259
E
GLY
260
n
265
GLY
260
E
VAL
261
n
266
VAL
261
E
GLY
262
n
267
GLY
262
E
SER
263
n
268
SER
263
E
ALA
264
n
269
ALA
264
E
ARG
265
n
270
ARG
265
E
ILE
266
n
271
ILE
266
E
VAL
267
n
272
VAL
267
E
ILE
268
n
273
ILE
268
E
PRO
269
n
274
PRO
269
E
GLY
270
n
275
GLY
270
E
ASP
271
n
276
ASP
271
E
TYR
272
n
277
TYR
272
E
ILE
273
n
278
ILE
273
E
ASP
274
n
279
ASP
274
E
PHE
275
n
280
PHE
275
E
GLY
276
n
281
GLY
276
E
PRO
277
n
282
PRO
277
E
ILE
278
n
283
ILE
278
E
SER
279
n
284
SER
279
E
THR
280
n
285
THR
280
E
GLY
281
n
286
GLY
281
E
SER
282
n
287
SER
282
E
SER
282
n
288
A
SER
282
E
SER
282
n
289
B
SER
282
E
CYS
283
n
290
CYS
283
E
PHE
284
n
291
PHE
284
E
GLY
285
n
292
GLY
285
E
GLY
286
n
293
GLY
286
E
ILE
287
n
294
ILE
287
E
GLN
288
n
295
GLN
288
E
SER
289
n
296
SER
289
E
SER
294
n
297
SER
294
E
ALA
295
n
298
ALA
295
E
GLY
296
n
299
GLY
296
E
ILE
297
n
300
ILE
297
E
GLY
298
n
301
GLY
298
E
ILE
299
n
302
ILE
299
E
ASN
300
n
303
ASN
300
E
ILE
301
n
304
ILE
301
E
PHE
302
n
305
PHE
302
E
GLY
303
n
306
GLY
303
E
ASP
304
n
307
ASP
304
E
VAL
305
n
308
VAL
305
E
ALA
306
n
309
ALA
306
E
LEU
307
n
310
LEU
307
E
LYS
308
n
311
LYS
308
E
ALA
309
n
312
ALA
309
E
ALA
310
n
313
ALA
310
E
PHE
311
n
314
PHE
311
E
VAL
312
n
315
VAL
312
E
VAL
313
n
316
VAL
313
E
PHE
314
n
317
PHE
314
E
ASN
315
n
318
ASN
315
E
GLY
316
n
319
GLY
316
E
ALA
317
n
320
ALA
317
E
THR
318
n
321
THR
318
E
THR
319
n
322
THR
319
E
PRO
319
n
323
B
PRO
319
E
THR
320
n
324
THR
320
E
LEU
321
n
325
LEU
321
E
GLY
322
n
326
GLY
322
E
PHE
323
n
327
PHE
323
E
ALA
324
n
328
ALA
324
E
SER
325
n
329
SER
325
E
LYS
326
n
330
LYS
326
E
author_and_software_defined_assembly
PQS
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
E
N
ILE
73
A
N
ILE
77
A
E
O
SER
80
A
O
SER
85
E
N
ILE
73
A
N
ILE
77
A
E
O
SER
80
A
O
SER
85
E
O
SER
81
A
O
SER
86
E
N
LYS
105
A
N
LYS
110
E
N
GLU
102
A
N
GLU
107
E
O
LEU
38
A
O
LEU
41
E
N
TRP
39
A
N
TRP
42
E
O
LEU
120
A
O
LEU
125
E
N
LEU
121
A
N
LEU
126
E
O
ASP
30
A
O
ASP
33
E
N
LEU
29
A
N
LEU
32
E
O
THR
16
A
O
THR
19
E
N
ILE
268
A
N
ILE
273
E
O
PHE
257
A
O
PHE
262
E
O
GLY
260
A
O
GLY
265
E
N
THR
195
A
N
THR
200
E
N
TYR
197
A
N
TYR
202
E
O
LYS
204
A
O
LYS
210
E
N
ILE
301
A
N
ILE
304
E
O
TYR
222
A
O
TYR
226
E
N
LEU
223
A
N
LEU
227
E
O
GLN
288
A
O
GLN
295
A
E
N
LYS
238
A
N
LYS
243
E
O
VAL
247
A
O
VAL
252
E
N
PHE
248
A
N
PHE
253
E
O
CYS
283
A
O
CYS
290
1
E
E
O
O
HOH
HOH
2024
2050
1.94
1
E
E
O
O
HOH
HOH
2137
2151
2.04
1
E
E
OE1
OD1
GLU
ASP
44
83
2.17
1
E
LYS
143
-29.71
-57.77
1
E
THR
172
-69.62
6.05
BOND LENGTHS (A) : .0003
0.237
0.181
2.05
30.00
21510
5.000
98.9
1
THROUGHOUT
0.000
MOLECULAR REPLACEMENT
PDB ENTRY 4APE
2.05
30.00
189
2610
32
0
2389
2.050
30.000
1E5O
21510
0.000
0.12300
1
5.3000
3.800
98.9
2.05
2.29
1.600
0.46100
1
3.70
94.3
refinement
REFMAC
data reduction
MOSFLM
data scaling
ROTAVATA
Endothiapepsin complex with inhibitor DB2
1
N
N
2
N
N
3
N
N
E
THR
46
A
THR
49
HELX_P
E
VAL
50
A
VAL
53
5
1
5
E
THR
57
A
THR
60
HELX_P
E
SER
61
A
SER
64
5
2
5
E
SER
108
A
SER
113
HELX_P
E
ASP
114
A
ASP
119
1
3
7
E
PHE
125
A
PHE
130
HELX_P
E
ASN
129
A
ASN
134
5
4
5
E
THR
137
A
THR
143
HELX_P
E
LYS
143
A
LYS
149
1
5
7
E
ALA
144
A
ALA
150
HELX_P
E
LEU
146
A
LEU
152
5
6
3
E
PRO
224
A
PRO
228
HELX_P
E
ALA
233
A
ALA
237
1
7
10
E
PRO
269
A
PRO
274
HELX_P
E
TYR
272
A
TYR
277
5
8
4
E
GLY
303
A
GLY
306
HELX_P
E
LYS
308
A
LYS
311
1
9
6
disulf
2.078
E
CYS
250
A
SG
CYS
255
1_555
E
CYS
283
A
SG
CYS
290
1_555
HYDROLASE/HYDROLASE INHIBITOR
HYDROLASE, ACID PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
E
THR
22
A
THR
25
1
E
PRO
23
A
PRO
26
-1.44
E
SER
132
A
SER
137
1
E
PRO
133
A
PRO
138
1.86
CARP_CRYPA
UNP
1
P11838
90
419
1E5O
-2
326
P11838
E
1
1
330
3
7
7
4
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
E
LYS
64
A
LYS
68
E
SER
74
A
SER
78
E
SER
80
A
SER
84
E
VAL
91
A
VAL
96
E
TYR
14
A
TYR
17
E
ILE
20
A
ILE
23
E
LYS
64
A
LYS
68
E
SER
74
A
SER
78
E
SER
80
A
SER
84
E
VAL
91
A
VAL
96
E
LEU
94
A
LEU
99
E
VAL
107
A
VAL
112
E
LEU
38
A
LEU
41
E
PHE
41
A
PHE
44
E
GLY
119
A
GLY
124
E
GLY
122
A
GLY
127
E
GLN
25
A
GLN
28
E
ASP
32
A
ASP
35
E
TYR
14
A
TYR
17
E
ILE
20
A
ILE
23
E
ALA
264
A
ALA
269
E
ILE
268
A
ILE
273
E
PHE
257
A
PHE
262
E
VAL
261
A
VAL
266
E
GLU
191
A
GLU
196
E
VAL
199
A
VAL
204
E
LYS
204
A
LYS
210
E
ALA
214
A
ALA
218
E
ASN
300
A
ASN
303
E
PHE
302
A
PHE
305
E
LEU
221
A
LEU
225
E
LEU
223
A
LEU
227
E
ILE
287
A
ILE
294
E
SER
289
A
SER
296
E
LYS
238
A
LYS
243
E
SER
240
A
SER
245
A
E
GLY
245
A
GLY
250
E
PRO
249
A
PRO
254
E
SER
282
A
SER
289
E
GLY
285
A
GLY
292
B
E
ASP
274
A
ASP
279
E
PRO
277
A
PRO
282
BINDING SITE FOR RESIDUE 3AI E 327
E
3AI
327
Software
14
E
ASP
30
A
ASP
33
14
1_555
E
ASP
32
A
ASP
35
14
1_555
E
GLY
34
A
GLY
37
14
1_555
E
SER
35
A
SER
38
14
1_555
E
SER
74
A
SER
78
14
1_555
E
TYR
75
A
TYR
79
14
1_555
E
GLY
76
A
GLY
80
14
1_555
E
ASP
77
A
ASP
81
14
1_555
E
LEU
120
A
LEU
125
14
1_555
E
PHE
189
A
PHE
194
14
1_555
E
ASP
215
A
ASP
219
14
1_555
E
GLY
217
A
GLY
221
14
1_555
E
ILE
301
A
ILE
304
14
1_555
E
HOH
2189
C
HOH
14
1_555
4
P 1 21 1