0.014509
-0.000000
-0.000000
-0.000000
0.011387
-0.000000
0.000000
-0.000000
0.007222
-0.00000
0.00000
-0.00000
Huanchen, W.
Mengchun, Y.
Howard, R.
Sharron, H.F.
Hengming, K.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
68.922
87.822
138.472
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
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
C23 H32 N6 O4 S
488.603
2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)-ONE
VARDENAFIL, LEVITRA
non-polymer
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
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
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
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
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
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
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
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
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
N
149
N
H
N
150
N
H
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
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
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
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
N
215
N
H
N
216
N
H
N
217
N
H
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
H
N
229
N
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
N
239
N
H
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
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
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
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
R
C
N
309
N
O
N
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
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
N
C
Y
326
N
C
Y
327
N
C
Y
328
N
C
Y
329
N
N
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
N
335
N
O
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
Y
358
N
C
N
359
N
O
N
360
N
O
N
361
N
H
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
H
N
372
N
N
N
373
S
C
N
374
N
C
N
375
N
O
N
376
N
C
N
377
N
C
N
378
N
C
N
379
N
O
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
C
N
392
N
C
N
393
N
O
Y
394
N
C
Y
395
N
C
Y
396
N
C
Y
397
N
C
Y
398
N
C
Y
399
N
C
N
400
N
S
N
401
N
O
N
402
N
O
N
403
N
C
N
404
N
N
N
405
N
C
N
406
N
C
N
407
N
N
N
408
N
C
N
409
N
C
N
410
N
C
Y
411
N
C
Y
412
N
N
Y
413
N
C
Y
414
N
C
Y
415
N
N
Y
416
N
N
N
417
N
O
Y
418
N
C
Y
419
N
N
Y
420
N
C
N
421
N
C
N
422
N
C
N
423
N
C
N
424
N
C
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
H
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
441
N
H
N
442
N
H
N
443
N
H
N
444
N
H
N
445
N
H
N
446
N
H
N
447
N
H
N
448
N
H
N
449
N
H
N
450
N
H
N
451
N
H
N
452
N
H
N
453
N
H
N
454
N
H
N
455
N
H
N
456
N
H
N
1
N
sing
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
sing
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
doub
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
doub
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
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
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
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
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
doub
N
77
N
sing
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
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
doub
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
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
sing
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
doub
N
159
N
sing
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
sing
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
sing
N
179
N
doub
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
sing
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
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
doub
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
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
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
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
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
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
doub
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
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
doub
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
sing
N
295
N
sing
N
296
N
doub
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
doub
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
Y
317
N
doub
Y
318
N
sing
Y
319
N
sing
N
320
N
sing
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
328
N
doub
N
329
N
sing
Y
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
doub
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
Y
345
N
doub
Y
346
N
sing
Y
347
N
sing
N
348
N
sing
Y
349
N
doub
N
350
N
sing
Y
351
N
doub
N
352
N
sing
Y
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
sing
N
364
N
doub
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
Y
384
N
doub
Y
385
N
sing
Y
386
N
sing
N
387
N
sing
Y
388
N
doub
N
389
N
sing
Y
390
N
sing
N
391
N
sing
Y
392
N
doub
N
393
N
sing
Y
394
N
sing
N
395
N
doub
N
396
N
doub
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
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
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
Y
419
N
doub
Y
420
N
sing
Y
421
N
sing
Y
422
N
sing
N
423
N
doub
Y
424
N
sing
Y
425
N
doub
Y
426
N
sing
Y
427
N
sing
N
428
N
sing
Y
429
N
sing
N
430
N
sing
Y
431
N
doub
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
N
443
N
sing
N
444
N
sing
US
Mol.Pharmacol.
MOPMA3
0197
0026-895X
73
104
110
10.1124/mol.107.040212
17959709
Conformational variations of both phosphodiesterase-5 and inhibitors provide the structural basis for the physiological effects of vardenafil and sildenafil.
2008
10.2210/pdb3b2r/pdb
pdb_00003b2r
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
2007-02-14
ADSC QUANTUM 315
SINGLE WAVELENGTH
M
x-ray
1
1.08
1.0
X29A
NSLS
1.08
SYNCHROTRON
NSLS BEAMLINE X29A
38202.004
cGMP-specific 3',5'-cyclic phosphodiesterase
3.1.4.35
catalytic domain of PDE5A1: UNP residues 535-860
2
man
polymer
488.603
2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)-ONE
2
syn
non-polymer
18.015
water
183
nat
water
CGB-PDE, cGMP-binding cGMP-specific phosphodiesterase
no
no
GSHMEETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKHEVLCRWILSVKKNYRKNV
AYHNWRHAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHRGVNNSYIQRSEHPLAQLYCHSIMEHHHFDQCL
MILNSPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQKELFLAMLMTACDLSAITK
PWPIQQRIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLLDGCRKNR
QKWQALAEQQ
GSHMEETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKHEVLCRWILSVKKNYRKNV
AYHNWRHAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHRGVNNSYIQRSEHPLAQLYCHSIMEHHHFDQCL
MILNSPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQKELFLAMLMTACDLSAITK
PWPIQQRIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLLDGCRKNR
QKWQALAEQQ
A,B
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
Human
sample
PDE5A, PDE5
Homo sapiens
Escherichia coli
BL21
plasmid
pET15b
1
2.74
55.15
VAPOR DIFFUSION, HANGING DROP
4.6
12% PEG3350, 15% glycerol, 0.1 M sodium acetate pH 4.6 , VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
struct_ref_seq_dif
struct_site
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2008-05-20
1
1
2011-07-13
1
2
2024-02-21
1
3
2024-04-03
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2007-10-19
REL
REL
VDN
2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)-ONE
HOH
water
1RKP
PDB
experimental model
VDN
1
2
VDN
VDN
1
A
VDN
1
2
VDN
VDN
1
B
TIP
3
3
HOH
HOH
861
A
TIP
4
3
HOH
HOH
862
A
TIP
5
3
HOH
HOH
863
A
TIP
6
3
HOH
HOH
864
A
TIP
8
3
HOH
HOH
865
A
TIP
9
3
HOH
HOH
866
A
TIP
11
3
HOH
HOH
867
A
TIP
12
3
HOH
HOH
868
A
TIP
13
3
HOH
HOH
869
A
TIP
14
3
HOH
HOH
870
A
TIP
16
3
HOH
HOH
871
A
TIP
17
3
HOH
HOH
872
A
TIP
19
3
HOH
HOH
873
A
TIP
20
3
HOH
HOH
874
A
TIP
21
3
HOH
HOH
875
A
TIP
22
3
HOH
HOH
876
A
TIP
24
3
HOH
HOH
877
A
TIP
25
3
HOH
HOH
878
A
TIP
27
3
HOH
HOH
879
A
TIP
28
3
HOH
HOH
880
A
TIP
29
3
HOH
HOH
881
A
TIP
30
3
HOH
HOH
882
A
TIP
33
3
HOH
HOH
883
A
TIP
34
3
HOH
HOH
884
A
TIP
35
3
HOH
HOH
885
A
TIP
38
3
HOH
HOH
886
A
TIP
41
3
HOH
HOH
887
A
TIP
42
3
HOH
HOH
888
A
TIP
43
3
HOH
HOH
889
A
TIP
44
3
HOH
HOH
890
A
TIP
47
3
HOH
HOH
891
A
TIP
48
3
HOH
HOH
892
A
TIP
50
3
HOH
HOH
893
A
TIP
52
3
HOH
HOH
894
A
TIP
53
3
HOH
HOH
895
A
TIP
57
3
HOH
HOH
896
A
TIP
58
3
HOH
HOH
897
A
TIP
59
3
HOH
HOH
898
A
TIP
60
3
HOH
HOH
899
A
TIP
61
3
HOH
HOH
900
A
TIP
62
3
HOH
HOH
901
A
TIP
64
3
HOH
HOH
902
A
TIP
66
3
HOH
HOH
903
A
TIP
67
3
HOH
HOH
904
A
TIP
68
3
HOH
HOH
905
A
TIP
71
3
HOH
HOH
906
A
TIP
73
3
HOH
HOH
907
A
TIP
74
3
HOH
HOH
908
A
TIP
76
3
HOH
HOH
909
A
TIP
77
3
HOH
HOH
910
A
TIP
78
3
HOH
HOH
911
A
TIP
79
3
HOH
HOH
912
A
TIP
82
3
HOH
HOH
913
A
TIP
83
3
HOH
HOH
914
A
TIP
84
3
HOH
HOH
915
A
TIP
86
3
HOH
HOH
916
A
TIP
88
3
HOH
HOH
917
A
TIP
89
3
HOH
HOH
918
A
TIP
92
3
HOH
HOH
919
A
TIP
95
3
HOH
HOH
920
A
TIP
96
3
HOH
HOH
921
A
TIP
97
3
HOH
HOH
922
A
TIP
99
3
HOH
HOH
923
A
TIP
101
3
HOH
HOH
924
A
TIP
104
3
HOH
HOH
925
A
TIP
105
3
HOH
HOH
926
A
TIP
106
3
HOH
HOH
927
A
TIP
107
3
HOH
HOH
928
A
TIP
109
3
HOH
HOH
929
A
TIP
110
3
HOH
HOH
930
A
TIP
111
3
HOH
HOH
931
A
TIP
112
3
HOH
HOH
932
A
TIP
116
3
HOH
HOH
933
A
TIP
119
3
HOH
HOH
934
A
TIP
120
3
HOH
HOH
935
A
TIP
122
3
HOH
HOH
936
A
TIP
123
3
HOH
HOH
937
A
TIP
124
3
HOH
HOH
938
A
TIP
127
3
HOH
HOH
939
A
TIP
129
3
HOH
HOH
940
A
TIP
130
3
HOH
HOH
941
A
TIP
131
3
HOH
HOH
942
A
TIP
132
3
HOH
HOH
943
A
TIP
133
3
HOH
HOH
944
A
TIP
134
3
HOH
HOH
945
A
TIP
136
3
HOH
HOH
946
A
TIP
141
3
HOH
HOH
947
A
TIP
142
3
HOH
HOH
948
A
TIP
143
3
HOH
HOH
949
A
TIP
144
3
HOH
HOH
950
A
TIP
145
3
HOH
HOH
951
A
TIP
148
3
HOH
HOH
952
A
TIP
149
3
HOH
HOH
953
A
TIP
150
3
HOH
HOH
954
A
TIP
151
3
HOH
HOH
955
A
TIP
152
3
HOH
HOH
956
A
TIP
153
3
HOH
HOH
957
A
TIP
154
3
HOH
HOH
958
A
TIP
155
3
HOH
HOH
959
A
TIP
156
3
HOH
HOH
960
A
TIP
157
3
HOH
HOH
961
A
TIP
158
3
HOH
HOH
962
A
TIP
160
3
HOH
HOH
963
A
TIP
163
3
HOH
HOH
964
A
TIP
165
3
HOH
HOH
965
A
TIP
168
3
HOH
HOH
966
A
TIP
169
3
HOH
HOH
967
A
TIP
170
3
HOH
HOH
968
A
TIP
173
3
HOH
HOH
969
A
TIP
176
3
HOH
HOH
970
A
TIP
177
3
HOH
HOH
971
A
TIP
178
3
HOH
HOH
972
A
TIP
179
3
HOH
HOH
973
A
TIP
182
3
HOH
HOH
974
A
TIP
183
3
HOH
HOH
975
A
TIP
146
3
HOH
HOH
976
A
TIP
1
3
HOH
HOH
861
B
TIP
2
3
HOH
HOH
862
B
TIP
7
3
HOH
HOH
863
B
TIP
10
3
HOH
HOH
864
B
TIP
15
3
HOH
HOH
865
B
TIP
18
3
HOH
HOH
866
B
TIP
23
3
HOH
HOH
867
B
TIP
26
3
HOH
HOH
868
B
TIP
31
3
HOH
HOH
869
B
TIP
32
3
HOH
HOH
870
B
TIP
36
3
HOH
HOH
871
B
TIP
37
3
HOH
HOH
872
B
TIP
39
3
HOH
HOH
873
B
TIP
40
3
HOH
HOH
874
B
TIP
45
3
HOH
HOH
875
B
TIP
46
3
HOH
HOH
876
B
TIP
49
3
HOH
HOH
877
B
TIP
51
3
HOH
HOH
878
B
TIP
54
3
HOH
HOH
879
B
TIP
55
3
HOH
HOH
880
B
TIP
56
3
HOH
HOH
881
B
TIP
63
3
HOH
HOH
882
B
TIP
65
3
HOH
HOH
883
B
TIP
69
3
HOH
HOH
884
B
TIP
70
3
HOH
HOH
885
B
TIP
72
3
HOH
HOH
886
B
TIP
75
3
HOH
HOH
887
B
TIP
80
3
HOH
HOH
888
B
TIP
81
3
HOH
HOH
889
B
TIP
85
3
HOH
HOH
890
B
TIP
87
3
HOH
HOH
891
B
TIP
90
3
HOH
HOH
892
B
TIP
91
3
HOH
HOH
893
B
TIP
93
3
HOH
HOH
894
B
TIP
94
3
HOH
HOH
895
B
TIP
98
3
HOH
HOH
896
B
TIP
100
3
HOH
HOH
897
B
TIP
102
3
HOH
HOH
898
B
TIP
103
3
HOH
HOH
899
B
TIP
108
3
HOH
HOH
900
B
TIP
113
3
HOH
HOH
901
B
TIP
114
3
HOH
HOH
902
B
TIP
115
3
HOH
HOH
903
B
TIP
117
3
HOH
HOH
904
B
TIP
118
3
HOH
HOH
905
B
TIP
121
3
HOH
HOH
906
B
TIP
125
3
HOH
HOH
907
B
TIP
126
3
HOH
HOH
908
B
TIP
128
3
HOH
HOH
909
B
TIP
135
3
HOH
HOH
910
B
TIP
137
3
HOH
HOH
911
B
TIP
138
3
HOH
HOH
912
B
TIP
139
3
HOH
HOH
913
B
TIP
140
3
HOH
HOH
914
B
TIP
147
3
HOH
HOH
915
B
TIP
159
3
HOH
HOH
916
B
TIP
161
3
HOH
HOH
917
B
TIP
162
3
HOH
HOH
918
B
TIP
164
3
HOH
HOH
919
B
TIP
166
3
HOH
HOH
920
B
TIP
167
3
HOH
HOH
921
B
TIP
171
3
HOH
HOH
922
B
TIP
172
3
HOH
HOH
923
B
TIP
174
3
HOH
HOH
924
B
TIP
175
3
HOH
HOH
925
B
TIP
180
3
HOH
HOH
926
B
TIP
181
3
HOH
HOH
927
B
GLY
531
n
1
GLY
531
A
SER
532
n
2
SER
532
A
HIS
533
n
3
HIS
533
A
MET
534
n
4
MET
534
A
GLU
535
n
5
GLU
535
A
GLU
536
n
6
GLU
536
A
THR
537
n
7
THR
537
A
ARG
538
n
8
ARG
538
A
GLU
539
n
9
GLU
539
A
LEU
540
n
10
LEU
540
A
GLN
541
n
11
GLN
541
A
SER
542
n
12
SER
542
A
LEU
543
n
13
LEU
543
A
ALA
544
n
14
ALA
544
A
ALA
545
n
15
ALA
545
A
ALA
546
n
16
ALA
546
A
VAL
547
n
17
VAL
547
A
VAL
548
n
18
VAL
548
A
PRO
549
n
19
PRO
549
A
SER
550
n
20
SER
550
A
ALA
551
n
21
ALA
551
A
GLN
552
n
22
GLN
552
A
THR
553
n
23
THR
553
A
LEU
554
n
24
LEU
554
A
LYS
555
n
25
LYS
555
A
ILE
556
n
26
ILE
556
A
THR
557
n
27
THR
557
A
ASP
558
n
28
ASP
558
A
PHE
559
n
29
PHE
559
A
SER
560
n
30
SER
560
A
PHE
561
n
31
PHE
561
A
SER
562
n
32
SER
562
A
ASP
563
n
33
ASP
563
A
PHE
564
n
34
PHE
564
A
GLU
565
n
35
GLU
565
A
LEU
566
n
36
LEU
566
A
SER
567
n
37
SER
567
A
ASP
568
n
38
ASP
568
A
LEU
569
n
39
LEU
569
A
GLU
570
n
40
GLU
570
A
THR
571
n
41
THR
571
A
ALA
572
n
42
ALA
572
A
LEU
573
n
43
LEU
573
A
CYS
574
n
44
CYS
574
A
THR
575
n
45
THR
575
A
ILE
576
n
46
ILE
576
A
ARG
577
n
47
ARG
577
A
MET
578
n
48
MET
578
A
PHE
579
n
49
PHE
579
A
THR
580
n
50
THR
580
A
ASP
581
n
51
ASP
581
A
LEU
582
n
52
LEU
582
A
ASN
583
n
53
ASN
583
A
LEU
584
n
54
LEU
584
A
VAL
585
n
55
VAL
585
A
GLN
586
n
56
GLN
586
A
ASN
587
n
57
ASN
587
A
PHE
588
n
58
PHE
588
A
GLN
589
n
59
GLN
589
A
MET
590
n
60
MET
590
A
LYS
591
n
61
LYS
591
A
HIS
592
n
62
HIS
592
A
GLU
593
n
63
GLU
593
A
VAL
594
n
64
VAL
594
A
LEU
595
n
65
LEU
595
A
CYS
596
n
66
CYS
596
A
ARG
597
n
67
ARG
597
A
TRP
598
n
68
TRP
598
A
ILE
599
n
69
ILE
599
A
LEU
600
n
70
LEU
600
A
SER
601
n
71
SER
601
A
VAL
602
n
72
VAL
602
A
LYS
603
n
73
LYS
603
A
LYS
604
n
74
LYS
604
A
ASN
605
n
75
ASN
605
A
TYR
606
n
76
TYR
606
A
ARG
607
n
77
ARG
607
A
LYS
608
n
78
LYS
608
A
ASN
609
n
79
ASN
609
A
VAL
610
n
80
VAL
610
A
ALA
611
n
81
ALA
611
A
TYR
612
n
82
TYR
612
A
HIS
613
n
83
HIS
613
A
ASN
614
n
84
ASN
614
A
TRP
615
n
85
TRP
615
A
ARG
616
n
86
ARG
616
A
HIS
617
n
87
HIS
617
A
ALA
618
n
88
ALA
618
A
PHE
619
n
89
PHE
619
A
ASN
620
n
90
ASN
620
A
THR
621
n
91
THR
621
A
ALA
622
n
92
ALA
622
A
GLN
623
n
93
GLN
623
A
CYS
624
n
94
CYS
624
A
MET
625
n
95
MET
625
A
PHE
626
n
96
PHE
626
A
ALA
627
n
97
ALA
627
A
ALA
628
n
98
ALA
628
A
LEU
629
n
99
LEU
629
A
LYS
630
n
100
LYS
630
A
ALA
631
n
101
ALA
631
A
GLY
632
n
102
GLY
632
A
LYS
633
n
103
LYS
633
A
ILE
634
n
104
ILE
634
A
GLN
635
n
105
GLN
635
A
ASN
636
n
106
ASN
636
A
LYS
637
n
107
LYS
637
A
LEU
638
n
108
LEU
638
A
THR
639
n
109
THR
639
A
ASP
640
n
110
ASP
640
A
LEU
641
n
111
LEU
641
A
GLU
642
n
112
GLU
642
A
ILE
643
n
113
ILE
643
A
LEU
644
n
114
LEU
644
A
ALA
645
n
115
ALA
645
A
LEU
646
n
116
LEU
646
A
LEU
647
n
117
LEU
647
A
ILE
648
n
118
ILE
648
A
ALA
649
n
119
ALA
649
A
ALA
650
n
120
ALA
650
A
LEU
651
n
121
LEU
651
A
SER
652
n
122
SER
652
A
HIS
653
n
123
HIS
653
A
ASP
654
n
124
ASP
654
A
LEU
655
n
125
LEU
655
A
ASP
656
n
126
ASP
656
A
HIS
657
n
127
HIS
657
A
ARG
658
n
128
ARG
658
A
GLY
659
n
129
GLY
659
A
VAL
660
n
130
VAL
660
A
n
131
661
A
n
132
662
A
n
133
663
A
n
134
664
A
n
135
665
A
n
136
666
A
n
137
667
A
n
138
668
A
n
139
669
A
n
140
670
A
n
141
671
A
n
142
672
A
n
143
673
A
n
144
674
A
n
145
675
A
n
146
676
A
CYS
677
n
147
CYS
677
A
HIS
678
n
148
HIS
678
A
SER
679
n
149
SER
679
A
ILE
680
n
150
ILE
680
A
MET
681
n
151
MET
681
A
GLU
682
n
152
GLU
682
A
HIS
683
n
153
HIS
683
A
HIS
684
n
154
HIS
684
A
HIS
685
n
155
HIS
685
A
PHE
686
n
156
PHE
686
A
ASP
687
n
157
ASP
687
A
GLN
688
n
158
GLN
688
A
CYS
689
n
159
CYS
689
A
LEU
690
n
160
LEU
690
A
MET
691
n
161
MET
691
A
ILE
692
n
162
ILE
692
A
LEU
693
n
163
LEU
693
A
ASN
694
n
164
ASN
694
A
SER
695
n
165
SER
695
A
PRO
696
n
166
PRO
696
A
GLY
697
n
167
GLY
697
A
ASN
698
n
168
ASN
698
A
GLN
699
n
169
GLN
699
A
ILE
700
n
170
ILE
700
A
LEU
701
n
171
LEU
701
A
SER
702
n
172
SER
702
A
GLY
703
n
173
GLY
703
A
LEU
704
n
174
LEU
704
A
SER
705
n
175
SER
705
A
ILE
706
n
176
ILE
706
A
GLU
707
n
177
GLU
707
A
GLU
708
n
178
GLU
708
A
TYR
709
n
179
TYR
709
A
LYS
710
n
180
LYS
710
A
THR
711
n
181
THR
711
A
THR
712
n
182
THR
712
A
LEU
713
n
183
LEU
713
A
LYS
714
n
184
LYS
714
A
ILE
715
n
185
ILE
715
A
ILE
716
n
186
ILE
716
A
LYS
717
n
187
LYS
717
A
GLN
718
n
188
GLN
718
A
ALA
719
n
189
ALA
719
A
ILE
720
n
190
ILE
720
A
LEU
721
n
191
LEU
721
A
ALA
722
n
192
ALA
722
A
THR
723
n
193
THR
723
A
ASP
724
n
194
ASP
724
A
LEU
725
n
195
LEU
725
A
ALA
726
n
196
ALA
726
A
LEU
727
n
197
LEU
727
A
TYR
728
n
198
TYR
728
A
ILE
729
n
199
ILE
729
A
LYS
730
n
200
LYS
730
A
ARG
731
n
201
ARG
731
A
ARG
732
n
202
ARG
732
A
GLY
733
n
203
GLY
733
A
GLU
734
n
204
GLU
734
A
PHE
735
n
205
PHE
735
A
PHE
736
n
206
PHE
736
A
GLU
737
n
207
GLU
737
A
LEU
738
n
208
LEU
738
A
ILE
739
n
209
ILE
739
A
ARG
740
n
210
ARG
740
A
LYS
741
n
211
LYS
741
A
ASN
742
n
212
ASN
742
A
GLN
743
n
213
GLN
743
A
PHE
744
n
214
PHE
744
A
ASN
745
n
215
ASN
745
A
LEU
746
n
216
LEU
746
A
GLU
747
n
217
GLU
747
A
ASP
748
n
218
ASP
748
A
PRO
749
n
219
PRO
749
A
HIS
750
n
220
HIS
750
A
GLN
751
n
221
GLN
751
A
LYS
752
n
222
LYS
752
A
GLU
753
n
223
GLU
753
A
LEU
754
n
224
LEU
754
A
PHE
755
n
225
PHE
755
A
LEU
756
n
226
LEU
756
A
ALA
757
n
227
ALA
757
A
MET
758
n
228
MET
758
A
LEU
759
n
229
LEU
759
A
MET
760
n
230
MET
760
A
THR
761
n
231
THR
761
A
ALA
762
n
232
ALA
762
A
CYS
763
n
233
CYS
763
A
ASP
764
n
234
ASP
764
A
LEU
765
n
235
LEU
765
A
SER
766
n
236
SER
766
A
ALA
767
n
237
ALA
767
A
ILE
768
n
238
ILE
768
A
THR
769
n
239
THR
769
A
LYS
770
n
240
LYS
770
A
PRO
771
n
241
PRO
771
A
TRP
772
n
242
TRP
772
A
PRO
773
n
243
PRO
773
A
ILE
774
n
244
ILE
774
A
GLN
775
n
245
GLN
775
A
GLN
776
n
246
GLN
776
A
ARG
777
n
247
ARG
777
A
ILE
778
n
248
ILE
778
A
ALA
779
n
249
ALA
779
A
GLU
780
n
250
GLU
780
A
LEU
781
n
251
LEU
781
A
VAL
782
n
252
VAL
782
A
ALA
783
n
253
ALA
783
A
THR
784
n
254
THR
784
A
GLU
785
n
255
GLU
785
A
PHE
786
n
256
PHE
786
A
PHE
787
n
257
PHE
787
A
ASP
788
n
258
ASP
788
A
GLN
789
n
259
GLN
789
A
GLY
790
n
260
GLY
790
A
ASP
791
n
261
ASP
791
A
n
262
792
A
n
263
793
A
n
264
794
A
n
265
795
A
n
266
796
A
n
267
797
A
n
268
798
A
n
269
799
A
n
270
800
A
n
271
801
A
n
272
802
A
n
273
803
A
n
274
804
A
n
275
805
A
n
276
806
A
n
277
807
A
n
278
808
A
LYS
809
n
279
LYS
809
A
LYS
810
n
280
LYS
810
A
ASN
811
n
281
ASN
811
A
LYS
812
n
282
LYS
812
A
ILE
813
n
283
ILE
813
A
PRO
814
n
284
PRO
814
A
SER
815
n
285
SER
815
A
MET
816
n
286
MET
816
A
GLN
817
n
287
GLN
817
A
VAL
818
n
288
VAL
818
A
GLY
819
n
289
GLY
819
A
PHE
820
n
290
PHE
820
A
ILE
821
n
291
ILE
821
A
ASP
822
n
292
ASP
822
A
ALA
823
n
293
ALA
823
A
ILE
824
n
294
ILE
824
A
CYS
825
n
295
CYS
825
A
LEU
826
n
296
LEU
826
A
GLN
827
n
297
GLN
827
A
LEU
828
n
298
LEU
828
A
TYR
829
n
299
TYR
829
A
GLU
830
n
300
GLU
830
A
ALA
831
n
301
ALA
831
A
LEU
832
n
302
LEU
832
A
THR
833
n
303
THR
833
A
HIS
834
n
304
HIS
834
A
VAL
835
n
305
VAL
835
A
SER
836
n
306
SER
836
A
GLU
837
n
307
GLU
837
A
ASP
838
n
308
ASP
838
A
CYS
839
n
309
CYS
839
A
PHE
840
n
310
PHE
840
A
PRO
841
n
311
PRO
841
A
LEU
842
n
312
LEU
842
A
LEU
843
n
313
LEU
843
A
ASP
844
n
314
ASP
844
A
GLY
845
n
315
GLY
845
A
CYS
846
n
316
CYS
846
A
ARG
847
n
317
ARG
847
A
LYS
848
n
318
LYS
848
A
ASN
849
n
319
ASN
849
A
ARG
850
n
320
ARG
850
A
GLN
851
n
321
GLN
851
A
LYS
852
n
322
LYS
852
A
TRP
853
n
323
TRP
853
A
GLN
854
n
324
GLN
854
A
ALA
855
n
325
ALA
855
A
LEU
856
n
326
LEU
856
A
ALA
857
n
327
ALA
857
A
GLU
858
n
328
GLU
858
A
GLN
859
n
329
GLN
859
A
GLN
860
n
330
GLN
860
A
n
1
531
B
n
2
532
B
n
3
533
B
n
4
534
B
n
5
535
B
n
6
536
B
n
7
537
B
ARG
538
n
8
ARG
538
B
GLU
539
n
9
GLU
539
B
LEU
540
n
10
LEU
540
B
GLN
541
n
11
GLN
541
B
SER
542
n
12
SER
542
B
LEU
543
n
13
LEU
543
B
ALA
544
n
14
ALA
544
B
ALA
545
n
15
ALA
545
B
ALA
546
n
16
ALA
546
B
VAL
547
n
17
VAL
547
B
VAL
548
n
18
VAL
548
B
PRO
549
n
19
PRO
549
B
SER
550
n
20
SER
550
B
ALA
551
n
21
ALA
551
B
GLN
552
n
22
GLN
552
B
THR
553
n
23
THR
553
B
LEU
554
n
24
LEU
554
B
LYS
555
n
25
LYS
555
B
ILE
556
n
26
ILE
556
B
THR
557
n
27
THR
557
B
ASP
558
n
28
ASP
558
B
PHE
559
n
29
PHE
559
B
SER
560
n
30
SER
560
B
PHE
561
n
31
PHE
561
B
SER
562
n
32
SER
562
B
ASP
563
n
33
ASP
563
B
PHE
564
n
34
PHE
564
B
GLU
565
n
35
GLU
565
B
LEU
566
n
36
LEU
566
B
SER
567
n
37
SER
567
B
ASP
568
n
38
ASP
568
B
LEU
569
n
39
LEU
569
B
GLU
570
n
40
GLU
570
B
THR
571
n
41
THR
571
B
ALA
572
n
42
ALA
572
B
LEU
573
n
43
LEU
573
B
CYS
574
n
44
CYS
574
B
THR
575
n
45
THR
575
B
ILE
576
n
46
ILE
576
B
ARG
577
n
47
ARG
577
B
MET
578
n
48
MET
578
B
PHE
579
n
49
PHE
579
B
THR
580
n
50
THR
580
B
ASP
581
n
51
ASP
581
B
LEU
582
n
52
LEU
582
B
ASN
583
n
53
ASN
583
B
LEU
584
n
54
LEU
584
B
VAL
585
n
55
VAL
585
B
GLN
586
n
56
GLN
586
B
ASN
587
n
57
ASN
587
B
PHE
588
n
58
PHE
588
B
GLN
589
n
59
GLN
589
B
MET
590
n
60
MET
590
B
LYS
591
n
61
LYS
591
B
HIS
592
n
62
HIS
592
B
GLU
593
n
63
GLU
593
B
VAL
594
n
64
VAL
594
B
LEU
595
n
65
LEU
595
B
CYS
596
n
66
CYS
596
B
ARG
597
n
67
ARG
597
B
TRP
598
n
68
TRP
598
B
ILE
599
n
69
ILE
599
B
LEU
600
n
70
LEU
600
B
SER
601
n
71
SER
601
B
VAL
602
n
72
VAL
602
B
LYS
603
n
73
LYS
603
B
LYS
604
n
74
LYS
604
B
ASN
605
n
75
ASN
605
B
TYR
606
n
76
TYR
606
B
ARG
607
n
77
ARG
607
B
LYS
608
n
78
LYS
608
B
ASN
609
n
79
ASN
609
B
VAL
610
n
80
VAL
610
B
ALA
611
n
81
ALA
611
B
TYR
612
n
82
TYR
612
B
HIS
613
n
83
HIS
613
B
ASN
614
n
84
ASN
614
B
TRP
615
n
85
TRP
615
B
ARG
616
n
86
ARG
616
B
HIS
617
n
87
HIS
617
B
ALA
618
n
88
ALA
618
B
PHE
619
n
89
PHE
619
B
ASN
620
n
90
ASN
620
B
THR
621
n
91
THR
621
B
ALA
622
n
92
ALA
622
B
GLN
623
n
93
GLN
623
B
CYS
624
n
94
CYS
624
B
MET
625
n
95
MET
625
B
PHE
626
n
96
PHE
626
B
ALA
627
n
97
ALA
627
B
ALA
628
n
98
ALA
628
B
LEU
629
n
99
LEU
629
B
LYS
630
n
100
LYS
630
B
ALA
631
n
101
ALA
631
B
GLY
632
n
102
GLY
632
B
LYS
633
n
103
LYS
633
B
ILE
634
n
104
ILE
634
B
GLN
635
n
105
GLN
635
B
ASN
636
n
106
ASN
636
B
LYS
637
n
107
LYS
637
B
LEU
638
n
108
LEU
638
B
THR
639
n
109
THR
639
B
ASP
640
n
110
ASP
640
B
LEU
641
n
111
LEU
641
B
GLU
642
n
112
GLU
642
B
ILE
643
n
113
ILE
643
B
LEU
644
n
114
LEU
644
B
ALA
645
n
115
ALA
645
B
LEU
646
n
116
LEU
646
B
LEU
647
n
117
LEU
647
B
ILE
648
n
118
ILE
648
B
ALA
649
n
119
ALA
649
B
ALA
650
n
120
ALA
650
B
LEU
651
n
121
LEU
651
B
SER
652
n
122
SER
652
B
HIS
653
n
123
HIS
653
B
ASP
654
n
124
ASP
654
B
LEU
655
n
125
LEU
655
B
ASP
656
n
126
ASP
656
B
HIS
657
n
127
HIS
657
B
ARG
658
n
128
ARG
658
B
GLY
659
n
129
GLY
659
B
n
130
660
B
n
131
661
B
n
132
662
B
n
133
663
B
n
134
664
B
n
135
665
B
n
136
666
B
n
137
667
B
n
138
668
B
n
139
669
B
n
140
670
B
n
141
671
B
n
142
672
B
n
143
673
B
n
144
674
B
n
145
675
B
n
146
676
B
CYS
677
n
147
CYS
677
B
HIS
678
n
148
HIS
678
B
SER
679
n
149
SER
679
B
ILE
680
n
150
ILE
680
B
MET
681
n
151
MET
681
B
GLU
682
n
152
GLU
682
B
HIS
683
n
153
HIS
683
B
HIS
684
n
154
HIS
684
B
HIS
685
n
155
HIS
685
B
PHE
686
n
156
PHE
686
B
ASP
687
n
157
ASP
687
B
GLN
688
n
158
GLN
688
B
CYS
689
n
159
CYS
689
B
LEU
690
n
160
LEU
690
B
MET
691
n
161
MET
691
B
ILE
692
n
162
ILE
692
B
LEU
693
n
163
LEU
693
B
ASN
694
n
164
ASN
694
B
SER
695
n
165
SER
695
B
PRO
696
n
166
PRO
696
B
GLY
697
n
167
GLY
697
B
ASN
698
n
168
ASN
698
B
GLN
699
n
169
GLN
699
B
ILE
700
n
170
ILE
700
B
LEU
701
n
171
LEU
701
B
SER
702
n
172
SER
702
B
GLY
703
n
173
GLY
703
B
LEU
704
n
174
LEU
704
B
SER
705
n
175
SER
705
B
ILE
706
n
176
ILE
706
B
GLU
707
n
177
GLU
707
B
GLU
708
n
178
GLU
708
B
TYR
709
n
179
TYR
709
B
LYS
710
n
180
LYS
710
B
THR
711
n
181
THR
711
B
THR
712
n
182
THR
712
B
LEU
713
n
183
LEU
713
B
LYS
714
n
184
LYS
714
B
ILE
715
n
185
ILE
715
B
ILE
716
n
186
ILE
716
B
LYS
717
n
187
LYS
717
B
GLN
718
n
188
GLN
718
B
ALA
719
n
189
ALA
719
B
ILE
720
n
190
ILE
720
B
LEU
721
n
191
LEU
721
B
ALA
722
n
192
ALA
722
B
THR
723
n
193
THR
723
B
ASP
724
n
194
ASP
724
B
LEU
725
n
195
LEU
725
B
ALA
726
n
196
ALA
726
B
LEU
727
n
197
LEU
727
B
TYR
728
n
198
TYR
728
B
ILE
729
n
199
ILE
729
B
LYS
730
n
200
LYS
730
B
ARG
731
n
201
ARG
731
B
ARG
732
n
202
ARG
732
B
GLY
733
n
203
GLY
733
B
GLU
734
n
204
GLU
734
B
PHE
735
n
205
PHE
735
B
PHE
736
n
206
PHE
736
B
GLU
737
n
207
GLU
737
B
LEU
738
n
208
LEU
738
B
ILE
739
n
209
ILE
739
B
ARG
740
n
210
ARG
740
B
LYS
741
n
211
LYS
741
B
ASN
742
n
212
ASN
742
B
GLN
743
n
213
GLN
743
B
PHE
744
n
214
PHE
744
B
ASN
745
n
215
ASN
745
B
LEU
746
n
216
LEU
746
B
GLU
747
n
217
GLU
747
B
ASP
748
n
218
ASP
748
B
PRO
749
n
219
PRO
749
B
HIS
750
n
220
HIS
750
B
GLN
751
n
221
GLN
751
B
LYS
752
n
222
LYS
752
B
GLU
753
n
223
GLU
753
B
LEU
754
n
224
LEU
754
B
PHE
755
n
225
PHE
755
B
LEU
756
n
226
LEU
756
B
ALA
757
n
227
ALA
757
B
MET
758
n
228
MET
758
B
LEU
759
n
229
LEU
759
B
MET
760
n
230
MET
760
B
THR
761
n
231
THR
761
B
ALA
762
n
232
ALA
762
B
CYS
763
n
233
CYS
763
B
ASP
764
n
234
ASP
764
B
LEU
765
n
235
LEU
765
B
SER
766
n
236
SER
766
B
ALA
767
n
237
ALA
767
B
ILE
768
n
238
ILE
768
B
THR
769
n
239
THR
769
B
LYS
770
n
240
LYS
770
B
PRO
771
n
241
PRO
771
B
TRP
772
n
242
TRP
772
B
PRO
773
n
243
PRO
773
B
ILE
774
n
244
ILE
774
B
GLN
775
n
245
GLN
775
B
GLN
776
n
246
GLN
776
B
ARG
777
n
247
ARG
777
B
ILE
778
n
248
ILE
778
B
ALA
779
n
249
ALA
779
B
GLU
780
n
250
GLU
780
B
LEU
781
n
251
LEU
781
B
VAL
782
n
252
VAL
782
B
ALA
783
n
253
ALA
783
B
THR
784
n
254
THR
784
B
GLU
785
n
255
GLU
785
B
PHE
786
n
256
PHE
786
B
PHE
787
n
257
PHE
787
B
ASP
788
n
258
ASP
788
B
GLN
789
n
259
GLN
789
B
n
260
790
B
n
261
791
B
n
262
792
B
n
263
793
B
n
264
794
B
n
265
795
B
n
266
796
B
n
267
797
B
n
268
798
B
n
269
799
B
n
270
800
B
n
271
801
B
n
272
802
B
n
273
803
B
n
274
804
B
n
275
805
B
n
276
806
B
n
277
807
B
n
278
808
B
LYS
809
n
279
LYS
809
B
LYS
810
n
280
LYS
810
B
ASN
811
n
281
ASN
811
B
LYS
812
n
282
LYS
812
B
ILE
813
n
283
ILE
813
B
PRO
814
n
284
PRO
814
B
SER
815
n
285
SER
815
B
MET
816
n
286
MET
816
B
GLN
817
n
287
GLN
817
B
VAL
818
n
288
VAL
818
B
GLY
819
n
289
GLY
819
B
PHE
820
n
290
PHE
820
B
ILE
821
n
291
ILE
821
B
ASP
822
n
292
ASP
822
B
ALA
823
n
293
ALA
823
B
ILE
824
n
294
ILE
824
B
CYS
825
n
295
CYS
825
B
LEU
826
n
296
LEU
826
B
GLN
827
n
297
GLN
827
B
LEU
828
n
298
LEU
828
B
TYR
829
n
299
TYR
829
B
GLU
830
n
300
GLU
830
B
ALA
831
n
301
ALA
831
B
LEU
832
n
302
LEU
832
B
THR
833
n
303
THR
833
B
HIS
834
n
304
HIS
834
B
VAL
835
n
305
VAL
835
B
SER
836
n
306
SER
836
B
GLU
837
n
307
GLU
837
B
ASP
838
n
308
ASP
838
B
CYS
839
n
309
CYS
839
B
PHE
840
n
310
PHE
840
B
PRO
841
n
311
PRO
841
B
LEU
842
n
312
LEU
842
B
LEU
843
n
313
LEU
843
B
ASP
844
n
314
ASP
844
B
GLY
845
n
315
GLY
845
B
CYS
846
n
316
CYS
846
B
ARG
847
n
317
ARG
847
B
LYS
848
n
318
LYS
848
B
ASN
849
n
319
ASN
849
B
ARG
850
n
320
ARG
850
B
GLN
851
n
321
GLN
851
B
LYS
852
n
322
LYS
852
B
TRP
853
n
323
TRP
853
B
GLN
854
n
324
GLN
854
B
ALA
855
n
325
ALA
855
B
LEU
856
n
326
LEU
856
B
ALA
857
n
327
ALA
857
B
GLU
858
n
328
GLU
858
B
GLN
859
n
329
GLN
859
B
GLN
860
n
330
GLN
860
B
author_and_software_defined_assembly
PISA
1
monomeric
author_and_software_defined_assembly
PISA
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
1
A
ASN
661
A
ASN
131
1
Y
1
A
ASN
662
A
ASN
132
1
Y
1
A
SER
663
A
SER
133
1
Y
1
A
TYR
664
A
TYR
134
1
Y
1
A
ILE
665
A
ILE
135
1
Y
1
A
GLN
666
A
GLN
136
1
Y
1
A
ARG
667
A
ARG
137
1
Y
1
A
SER
668
A
SER
138
1
Y
1
A
GLU
669
A
GLU
139
1
Y
1
A
HIS
670
A
HIS
140
1
Y
1
A
PRO
671
A
PRO
141
1
Y
1
A
LEU
672
A
LEU
142
1
Y
1
A
ALA
673
A
ALA
143
1
Y
1
A
GLN
674
A
GLN
144
1
Y
1
A
LEU
675
A
LEU
145
1
Y
1
A
TYR
676
A
TYR
146
1
Y
1
A
ARG
792
A
ARG
262
1
Y
1
A
GLU
793
A
GLU
263
1
Y
1
A
ARG
794
A
ARG
264
1
Y
1
A
LYS
795
A
LYS
265
1
Y
1
A
GLU
796
A
GLU
266
1
Y
1
A
LEU
797
A
LEU
267
1
Y
1
A
ASN
798
A
ASN
268
1
Y
1
A
ILE
799
A
ILE
269
1
Y
1
A
GLU
800
A
GLU
270
1
Y
1
A
PRO
801
A
PRO
271
1
Y
1
A
THR
802
A
THR
272
1
Y
1
A
ASP
803
A
ASP
273
1
Y
1
A
LEU
804
A
LEU
274
1
Y
1
A
MET
805
A
MET
275
1
Y
1
A
ASN
806
A
ASN
276
1
Y
1
A
ARG
807
A
ARG
277
1
Y
1
A
GLU
808
A
GLU
278
1
Y
1
B
GLY
531
B
GLY
1
1
Y
1
B
SER
532
B
SER
2
1
Y
1
B
HIS
533
B
HIS
3
1
Y
1
B
MET
534
B
MET
4
1
Y
1
B
GLU
535
B
GLU
5
1
Y
1
B
GLU
536
B
GLU
6
1
Y
1
B
THR
537
B
THR
7
1
Y
1
B
VAL
660
B
VAL
130
1
Y
1
B
ASN
661
B
ASN
131
1
Y
1
B
ASN
662
B
ASN
132
1
Y
1
B
SER
663
B
SER
133
1
Y
1
B
TYR
664
B
TYR
134
1
Y
1
B
ILE
665
B
ILE
135
1
Y
1
B
GLN
666
B
GLN
136
1
Y
1
B
ARG
667
B
ARG
137
1
Y
1
B
SER
668
B
SER
138
1
Y
1
B
GLU
669
B
GLU
139
1
Y
1
B
HIS
670
B
HIS
140
1
Y
1
B
PRO
671
B
PRO
141
1
Y
1
B
LEU
672
B
LEU
142
1
Y
1
B
ALA
673
B
ALA
143
1
Y
1
B
GLN
674
B
GLN
144
1
Y
1
B
LEU
675
B
LEU
145
1
Y
1
B
TYR
676
B
TYR
146
1
Y
1
B
GLY
790
B
GLY
260
1
Y
1
B
ASP
791
B
ASP
261
1
Y
1
B
ARG
792
B
ARG
262
1
Y
1
B
GLU
793
B
GLU
263
1
Y
1
B
ARG
794
B
ARG
264
1
Y
1
B
LYS
795
B
LYS
265
1
Y
1
B
GLU
796
B
GLU
266
1
Y
1
B
LEU
797
B
LEU
267
1
Y
1
B
ASN
798
B
ASN
268
1
Y
1
B
ILE
799
B
ILE
269
1
Y
1
B
GLU
800
B
GLU
270
1
Y
1
B
PRO
801
B
PRO
271
1
Y
1
B
THR
802
B
THR
272
1
Y
1
B
ASP
803
B
ASP
273
1
Y
1
B
LEU
804
B
LEU
274
1
Y
1
B
MET
805
B
MET
275
1
Y
1
B
ASN
806
B
ASN
276
1
Y
1
B
ARG
807
B
ARG
277
1
Y
1
B
GLU
808
B
GLU
278
1
Y
1
A
LYS
630
-88.52
-80.87
1
A
HIS
678
-51.48
-7.40
1
A
MET
681
-94.25
59.77
1
A
GLN
859
83.48
107.14
1
B
LYS
555
59.35
16.65
1
B
GLN
589
38.91
59.96
1
B
TYR
612
-105.60
-60.81
1
B
LYS
630
-83.77
-83.49
1
B
MET
681
-82.85
47.11
1
B
LYS
810
36.37
-155.51
1
B
ASN
811
-77.79
-80.82
1
B
GLN
859
89.85
105.58
43.1
0.248
0.216
2.07
30
4584
45502
random
1
isotropic
0
0
MOLECULAR REPLACEMENT
PDB entry IBMX
Engh & Huber
2.07
30
183
4967
68
0
4716
0.0057
1.1
2.07
30
3B2R
47379
0
0
0.051
1
12.0
12.9
91.1
0.28
2.07
2.14
3.6
48.2
data collection
ADSC
Quantum
phasing
AMoRE
refinement
CNS
data reduction
HKL-2000
data scaling
HKL-2000
Crystal Structure of PDE5A1 catalytic domain in complex with Vardenafil
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
A
SER
532
A
SER
2
HELX_P
A
ALA
546
A
ALA
16
1
1
15
A
SER
550
A
SER
20
HELX_P
A
LYS
555
A
LYS
25
1
2
6
A
SER
567
A
SER
37
HELX_P
A
LEU
582
A
LEU
52
1
3
16
A
ASN
583
A
ASN
53
HELX_P
A
PHE
588
A
PHE
58
1
4
6
A
LYS
591
A
LYS
61
HELX_P
A
ASN
605
A
ASN
75
1
5
15
A
ASN
614
A
ASN
84
HELX_P
A
LYS
630
A
LYS
100
1
6
17
A
ILE
634
A
ILE
104
HELX_P
A
LEU
638
A
LEU
108
5
7
5
A
THR
639
A
THR
109
HELX_P
A
HIS
653
A
HIS
123
1
8
15
A
CYS
677
A
CYS
147
HELX_P
A
MET
681
A
MET
151
5
9
5
A
PHE
686
A
PHE
156
HELX_P
A
SER
695
A
SER
165
1
10
10
A
SER
705
A
SER
175
HELX_P
A
THR
723
A
THR
193
1
11
19
A
ASP
724
A
ASP
194
HELX_P
A
LYS
741
A
LYS
211
1
12
18
A
ASP
748
A
ASP
218
HELX_P
A
SER
766
A
SER
236
1
13
19
A
ALA
767
A
ALA
237
HELX_P
A
LYS
770
A
LYS
240
5
14
4
A
PRO
771
A
PRO
241
HELX_P
A
ASP
791
A
ASP
261
1
15
21
A
LYS
809
A
LYS
279
HELX_P
A
ASN
811
A
ASN
281
5
16
3
A
LYS
812
A
LYS
282
HELX_P
A
ILE
824
A
ILE
294
1
17
13
A
CYS
825
A
CYS
295
HELX_P
A
SER
836
A
SER
306
1
18
12
A
CYS
839
A
CYS
309
HELX_P
A
GLU
858
A
GLU
328
1
19
20
B
ARG
538
B
ARG
8
HELX_P
B
ALA
546
B
ALA
16
1
20
9
B
SER
550
B
SER
20
HELX_P
B
LYS
555
B
LYS
25
1
21
6
B
SER
567
B
SER
37
HELX_P
B
LEU
582
B
LEU
52
1
22
16
B
ASN
583
B
ASN
53
HELX_P
B
PHE
588
B
PHE
58
1
23
6
B
LYS
591
B
LYS
61
HELX_P
B
ASN
605
B
ASN
75
1
24
15
B
ASN
614
B
ASN
84
HELX_P
B
LYS
630
B
LYS
100
1
25
17
B
ILE
634
B
ILE
104
HELX_P
B
LEU
638
B
LEU
108
5
26
5
B
THR
639
B
THR
109
HELX_P
B
HIS
653
B
HIS
123
1
27
15
B
PHE
686
B
PHE
156
HELX_P
B
SER
695
B
SER
165
1
28
10
B
SER
705
B
SER
175
HELX_P
B
THR
723
B
THR
193
1
29
19
B
ASP
724
B
ASP
194
HELX_P
B
LYS
741
B
LYS
211
1
30
18
B
ASP
748
B
ASP
218
HELX_P
B
LEU
765
B
LEU
235
1
31
18
B
SER
766
B
SER
236
HELX_P
B
LYS
770
B
LYS
240
5
32
5
B
PRO
771
B
PRO
241
HELX_P
B
PHE
787
B
PHE
257
1
33
17
B
LYS
812
B
LYS
282
HELX_P
B
ILE
824
B
ILE
294
1
34
13
B
CYS
825
B
CYS
295
HELX_P
B
SER
836
B
SER
306
1
35
12
B
CYS
839
B
CYS
309
HELX_P
B
GLU
858
B
GLU
328
1
36
20
HYDROLASE
cGMP phosphodiesterase; PDE5-inhibitor potency; vardenafil; sildenafil; LevitraTM., Allosteric enzyme, Alternative splicing, cGMP-binding, Hydrolase, Magnesium, Metal-binding, Nucleotide-binding, Phosphorylation, Polymorphism, Zinc
PDE5A_HUMAN
UNP
1
535
O76074
EETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKHEVLCRWILSVKKNYRKNVAYHN
WRHAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHRGVNNSYIQRSEHPLAQLYCHSIMEHHHFDQCLMILN
SPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQKELFLAMLMTACDLSAITKPWPI
QQRIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLLDGCRKNRQKWQ
ALAEQQ
535
860
3B2R
535
860
O76074
A
1
5
330
535
860
3B2R
535
860
O76074
B
1
5
330
1
expression tag
GLY
531
3B2R
A
O76074
UNP
1
1
expression tag
SER
532
3B2R
A
O76074
UNP
2
1
expression tag
HIS
533
3B2R
A
O76074
UNP
3
1
expression tag
MET
534
3B2R
A
O76074
UNP
4
2
expression tag
GLY
531
3B2R
B
O76074
UNP
1
2
expression tag
SER
532
3B2R
B
O76074
UNP
2
2
expression tag
HIS
533
3B2R
B
O76074
UNP
3
2
expression tag
MET
534
3B2R
B
O76074
UNP
4
BINDING SITE FOR RESIDUE VDN A 1
A
VDN
1
Software
13
BINDING SITE FOR RESIDUE VDN B 1
B
VDN
1
Software
13
A
TYR
612
A
TYR
82
13
1_555
A
HIS
613
A
HIS
83
13
1_555
A
CYS
677
A
CYS
147
13
1_555
A
ILE
680
A
ILE
150
13
1_555
A
ILE
768
A
ILE
238
13
1_555
A
ALA
779
A
ALA
249
13
1_555
A
MET
816
A
MET
286
13
1_555
A
GLN
817
A
GLN
287
13
1_555
A
PHE
820
A
PHE
290
13
1_555
A
HOH
865
E
HOH
13
1_555
A
HOH
894
E
HOH
13
1_555
B
GLN
854
B
GLN
324
13
4_455
B
GLU
858
B
GLU
328
13
4_455
A
GLU
858
A
GLU
328
13
4_555
A
HOH
976
E
HOH
13
4_555
B
TYR
612
B
TYR
82
13
1_555
B
HIS
613
B
HIS
83
13
1_555
B
CYS
677
B
CYS
147
13
1_555
B
ILE
680
B
ILE
150
13
1_555
B
ILE
768
B
ILE
238
13
1_555
B
ALA
779
B
ALA
249
13
1_555
B
MET
816
B
MET
286
13
1_555
B
GLN
817
B
GLN
287
13
1_555
B
PHE
820
B
PHE
290
13
1_555
B
HOH
867
F
HOH
13
1_555
B
HOH
883
F
HOH
13
1_555
19
P 21 21 21