0.011153
0.006439
0.000000
0.000000
0.012878
0.000000
0.000000
0.000000
0.004504
0.00000
0.00000
0.00000
Card, G.L.
England, B.P.
Suzuki, Y.
Fong, D.
Powell, B.
Lee, B.
Luu, C.
Tabrizizad, M.
Gillette, S.
Ibrahim, P.N.
Artis, D.R.
Bollag, G.
Milburn, M.V.
Kim, S.-H.
Schlessinger, J.
Zhang, K.Y.J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
89.662
89.662
222.002
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
Mg 2
24.305
MAGNESIUM ION
non-polymer
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
Zn 2
65.409
ZINC ION
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
MG
N
251
N
N
N
252
S
C
N
253
N
C
N
254
N
O
N
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
Y
261
N
C
N
262
N
O
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
N
N
275
S
C
N
276
N
C
N
277
N
O
N
278
N
C
N
279
N
C
N
280
N
C
N
281
N
O
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
H
N
291
N
N
N
292
S
C
N
293
N
C
N
294
N
O
N
295
N
C
N
296
N
O
N
297
N
O
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
H
N
305
N
N
N
306
S
C
N
307
N
C
N
308
N
O
N
309
R
C
N
310
N
O
N
311
N
C
N
312
N
O
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
N
N
323
S
C
N
324
N
C
N
325
N
O
N
326
N
C
Y
327
N
C
Y
328
N
C
Y
329
N
C
Y
330
N
N
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
C
N
336
N
O
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
H
N
349
N
N
N
350
S
C
N
351
N
C
N
352
N
O
N
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
Y
358
N
C
Y
359
N
C
N
360
N
O
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
H
N
372
N
H
N
373
N
N
N
374
S
C
N
375
N
C
N
376
N
O
N
377
N
C
N
378
N
C
N
379
N
C
N
380
N
O
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
H
N
392
N
C
N
393
N
C
N
394
N
O
Y
395
N
C
Y
396
N
C
Y
397
N
C
Y
398
N
C
Y
399
N
C
Y
400
N
C
N
401
N
S
N
402
N
O
N
403
N
O
N
404
N
C
N
405
N
N
N
406
N
C
N
407
N
C
N
408
N
N
N
409
N
C
N
410
N
C
N
411
N
C
Y
412
N
C
Y
413
N
N
Y
414
N
C
Y
415
N
C
Y
416
N
N
Y
417
N
N
N
418
N
O
Y
419
N
C
Y
420
N
N
Y
421
N
C
N
422
N
C
N
423
N
C
N
424
N
C
N
425
N
C
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
457
N
H
N
458
N
ZN
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
UK
STRUCTURE
STRUE6
2005
0969-2126
12
2233
2247
10.1016/j.str.2004.10.004
15576036
Structural Basis for the Activity of Drugs that Inhibit Phosphodiesterases.
2004
10.2210/pdb1xp0/pdb
pdb_00001xp0
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
93
1
CCD
2003-09-04
ADSC QUANTUM 210
SINGLE WAVELENGTH
M
x-ray
1
1.1
1.0
8.3.1
ALS
1.1
SYNCHROTRON
ALS BEAMLINE 8.3.1
41827.934
cGMP-specific 3',5'-cyclic phosphodiesterase
3.1.4.17
CATALYTIC DOMAIN OF HUMAN PHOSPHODIESTERASE 5A
1
man
polymer
65.409
ZINC ION
1
syn
non-polymer
24.305
MAGNESIUM ION
1
syn
non-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
1
syn
non-polymer
18.015
water
156
nat
water
CGB-PDE, cGMP-binding cGMP-specific phosphodiesterase, PDE5A
no
no
MGSSHHHHHHSSGLVPRGSHMEEETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKH
EVLCRWILSVKKNYRKNVAYHNWRHAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHPGVSNQFLINTNSEL
ALMYNDESVLEHHHFDQCLMILNSPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQ
KELFLAMLMTACDLSAITKPWPIQQRIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEA
LTHVSEDCFPLLDGCRKNRQKWQALAEQQEKMLINGESGQAKRN
MGSSHHHHHHSSGLVPRGSHMEEETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKH
EVLCRWILSVKKNYRKNVAYHNWRHAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHPGVSNQFLINTNSEL
ALMYNDESVLEHHHFDQCLMILNSPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQ
KELFLAMLMTACDLSAITKPWPIQQRIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEA
LTHVSEDCFPLLDGCRKNRQKWQALAEQQEKMLINGESGQAKRN
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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
Escherichia
sample
PDE5A, PDE5
9606
Homo sapiens
562
Escherichia coli
BL21(DE3)Codon Plus(RIL)
PLASMID
pET15b
1
3.08
60.05
VAPOR DIFFUSION, SITTING DROP
7.0
Sodium formate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K
277
database_2
pdbx_database_remark
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Advisory
Version format compliance
Advisory
Database references
Derived calculations
Data collection
1
0
2004-12-14
1
1
2008-04-30
1
2
2011-07-13
1
3
2021-10-20
1
4
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_remark.text
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
PDE4B in complex with Cilomilast
PDE4B in complex with Filaminast
PDE4B in complex with Piclamilast
PDE4B in complex with (R)-Mesopram
PDE4B in complex with Roflumilast
PDE4B in complex with (R)-Rolipram
PDE4B in complex with (R,S)-Rolipram
PDE4D in complex with Cilomilast
PDE4D in complex with Piclamilast
PDE4D in complex with Roflumilast
PDE4D in complex with Zardaverine
PDE4B in complex with Sildenafil
PDE4B in complex with Vardenafil
PDE5A in complex with Tadalafil
HETEROGEN
HOH 1001-1007 ARE ASSOCIATED WITH CHAIN A.
RCSB
Y
RCSB
2004-10-07
REL
REL
ZN
ZINC ION
MG
MAGNESIUM ION
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
ZN
1
2
ZN
ZN
1
A
MG
2
3
MG
MG
2
A
LIG
1
4
VDN
VDN
201
A
HOH
1001
5
HOH
HOH
1001
A
HOH
1002
5
HOH
HOH
1002
A
HOH
1003
5
HOH
HOH
1003
A
HOH
1004
5
HOH
HOH
1004
A
HOH
1005
5
HOH
HOH
1005
A
HOH
1006
5
HOH
HOH
1006
A
HOH
1007
5
HOH
HOH
1007
A
HOH
1
5
HOH
HOH
1008
A
HOH
2
5
HOH
HOH
1009
A
HOH
3
5
HOH
HOH
1010
A
HOH
4
5
HOH
HOH
1011
A
HOH
5
5
HOH
HOH
1012
A
HOH
6
5
HOH
HOH
1013
A
HOH
7
5
HOH
HOH
1014
A
HOH
8
5
HOH
HOH
1015
A
HOH
9
5
HOH
HOH
1016
A
HOH
10
5
HOH
HOH
1017
A
HOH
11
5
HOH
HOH
1018
A
HOH
12
5
HOH
HOH
1019
A
HOH
13
5
HOH
HOH
1020
A
HOH
14
5
HOH
HOH
1021
A
HOH
15
5
HOH
HOH
1022
A
HOH
16
5
HOH
HOH
1023
A
HOH
17
5
HOH
HOH
1024
A
HOH
19
5
HOH
HOH
1025
A
HOH
20
5
HOH
HOH
1026
A
HOH
21
5
HOH
HOH
1027
A
HOH
22
5
HOH
HOH
1028
A
HOH
23
5
HOH
HOH
1029
A
HOH
24
5
HOH
HOH
1030
A
HOH
25
5
HOH
HOH
1031
A
HOH
26
5
HOH
HOH
1032
A
HOH
27
5
HOH
HOH
1033
A
HOH
28
5
HOH
HOH
1034
A
HOH
29
5
HOH
HOH
1035
A
HOH
30
5
HOH
HOH
1036
A
HOH
31
5
HOH
HOH
1037
A
HOH
32
5
HOH
HOH
1038
A
HOH
33
5
HOH
HOH
1039
A
HOH
34
5
HOH
HOH
1040
A
HOH
35
5
HOH
HOH
1041
A
HOH
36
5
HOH
HOH
1042
A
HOH
37
5
HOH
HOH
1043
A
HOH
38
5
HOH
HOH
1044
A
HOH
39
5
HOH
HOH
1045
A
HOH
40
5
HOH
HOH
1046
A
HOH
41
5
HOH
HOH
1047
A
HOH
42
5
HOH
HOH
1048
A
HOH
43
5
HOH
HOH
1049
A
HOH
44
5
HOH
HOH
1050
A
HOH
45
5
HOH
HOH
1051
A
HOH
46
5
HOH
HOH
1052
A
HOH
47
5
HOH
HOH
1053
A
HOH
48
5
HOH
HOH
1054
A
HOH
49
5
HOH
HOH
1055
A
HOH
50
5
HOH
HOH
1056
A
HOH
51
5
HOH
HOH
1057
A
HOH
52
5
HOH
HOH
1058
A
HOH
53
5
HOH
HOH
1059
A
HOH
54
5
HOH
HOH
1060
A
HOH
55
5
HOH
HOH
1061
A
HOH
56
5
HOH
HOH
1062
A
HOH
57
5
HOH
HOH
1063
A
HOH
58
5
HOH
HOH
1064
A
HOH
59
5
HOH
HOH
1065
A
HOH
60
5
HOH
HOH
1066
A
HOH
61
5
HOH
HOH
1067
A
HOH
62
5
HOH
HOH
1068
A
HOH
63
5
HOH
HOH
1069
A
HOH
64
5
HOH
HOH
1070
A
HOH
65
5
HOH
HOH
1071
A
HOH
66
5
HOH
HOH
1072
A
HOH
67
5
HOH
HOH
1073
A
HOH
68
5
HOH
HOH
1074
A
HOH
69
5
HOH
HOH
1075
A
HOH
70
5
HOH
HOH
1076
A
HOH
71
5
HOH
HOH
1077
A
HOH
72
5
HOH
HOH
1078
A
HOH
73
5
HOH
HOH
1079
A
HOH
74
5
HOH
HOH
1080
A
HOH
75
5
HOH
HOH
1081
A
HOH
76
5
HOH
HOH
1082
A
HOH
77
5
HOH
HOH
1083
A
HOH
78
5
HOH
HOH
1084
A
HOH
79
5
HOH
HOH
1085
A
HOH
80
5
HOH
HOH
1086
A
HOH
81
5
HOH
HOH
1087
A
HOH
82
5
HOH
HOH
1088
A
HOH
83
5
HOH
HOH
1089
A
HOH
84
5
HOH
HOH
1090
A
HOH
85
5
HOH
HOH
1091
A
HOH
86
5
HOH
HOH
1092
A
HOH
87
5
HOH
HOH
1093
A
HOH
88
5
HOH
HOH
1094
A
HOH
89
5
HOH
HOH
1095
A
HOH
90
5
HOH
HOH
1096
A
HOH
91
5
HOH
HOH
1097
A
HOH
92
5
HOH
HOH
1098
A
HOH
93
5
HOH
HOH
1099
A
HOH
94
5
HOH
HOH
1100
A
HOH
95
5
HOH
HOH
1101
A
HOH
96
5
HOH
HOH
1102
A
HOH
98
5
HOH
HOH
1103
A
HOH
99
5
HOH
HOH
1104
A
HOH
100
5
HOH
HOH
1105
A
HOH
101
5
HOH
HOH
1106
A
HOH
102
5
HOH
HOH
1107
A
HOH
103
5
HOH
HOH
1108
A
HOH
104
5
HOH
HOH
1109
A
HOH
105
5
HOH
HOH
1110
A
HOH
106
5
HOH
HOH
1111
A
HOH
107
5
HOH
HOH
1112
A
HOH
108
5
HOH
HOH
1113
A
HOH
109
5
HOH
HOH
1114
A
HOH
110
5
HOH
HOH
1115
A
HOH
111
5
HOH
HOH
1116
A
HOH
112
5
HOH
HOH
1117
A
HOH
113
5
HOH
HOH
1118
A
HOH
114
5
HOH
HOH
1119
A
HOH
115
5
HOH
HOH
1120
A
HOH
116
5
HOH
HOH
1121
A
HOH
117
5
HOH
HOH
1122
A
HOH
118
5
HOH
HOH
1123
A
HOH
119
5
HOH
HOH
1124
A
HOH
120
5
HOH
HOH
1125
A
HOH
121
5
HOH
HOH
1126
A
HOH
122
5
HOH
HOH
1127
A
HOH
123
5
HOH
HOH
1128
A
HOH
124
5
HOH
HOH
1129
A
HOH
125
5
HOH
HOH
1130
A
HOH
126
5
HOH
HOH
1131
A
HOH
129
5
HOH
HOH
1132
A
HOH
130
5
HOH
HOH
1133
A
HOH
131
5
HOH
HOH
1134
A
HOH
132
5
HOH
HOH
1135
A
HOH
133
5
HOH
HOH
1136
A
HOH
134
5
HOH
HOH
1137
A
HOH
135
5
HOH
HOH
1138
A
HOH
136
5
HOH
HOH
1139
A
HOH
137
5
HOH
HOH
1140
A
HOH
138
5
HOH
HOH
1141
A
HOH
139
5
HOH
HOH
1142
A
HOH
140
5
HOH
HOH
1143
A
HOH
142
5
HOH
HOH
1144
A
HOH
143
5
HOH
HOH
1145
A
HOH
144
5
HOH
HOH
1146
A
HOH
145
5
HOH
HOH
1147
A
HOH
146
5
HOH
HOH
1148
A
HOH
147
5
HOH
HOH
1149
A
HOH
148
5
HOH
HOH
1150
A
HOH
149
5
HOH
HOH
1151
A
HOH
150
5
HOH
HOH
1152
A
HOH
151
5
HOH
HOH
1153
A
HOH
152
5
HOH
HOH
1154
A
HOH
153
5
HOH
HOH
1155
A
HOH
154
5
HOH
HOH
1156
A
n
1
513
A
n
2
514
A
n
3
515
A
n
4
516
A
n
5
517
A
n
6
518
A
n
7
519
A
n
8
520
A
n
9
521
A
n
10
522
A
n
11
523
A
n
12
524
A
n
13
525
A
n
14
526
A
n
15
527
A
n
16
528
A
n
17
529
A
n
18
530
A
n
19
531
A
n
20
532
A
n
21
533
A
GLU
534
n
22
GLU
534
A
GLU
535
n
23
GLU
535
A
GLU
536
n
24
GLU
536
A
THR
537
n
25
THR
537
A
ARG
538
n
26
ARG
538
A
GLU
539
n
27
GLU
539
A
LEU
540
n
28
LEU
540
A
GLN
541
n
29
GLN
541
A
SER
542
n
30
SER
542
A
LEU
543
n
31
LEU
543
A
ALA
544
n
32
ALA
544
A
ALA
545
n
33
ALA
545
A
ALA
546
n
34
ALA
546
A
VAL
547
n
35
VAL
547
A
VAL
548
n
36
VAL
548
A
PRO
549
n
37
PRO
549
A
SER
550
n
38
SER
550
A
ALA
551
n
39
ALA
551
A
GLN
552
n
40
GLN
552
A
THR
553
n
41
THR
553
A
LEU
554
n
42
LEU
554
A
LYS
555
n
43
LYS
555
A
ILE
556
n
44
ILE
556
A
THR
557
n
45
THR
557
A
ASP
558
n
46
ASP
558
A
PHE
559
n
47
PHE
559
A
SER
560
n
48
SER
560
A
PHE
561
n
49
PHE
561
A
SER
562
n
50
SER
562
A
ASP
563
n
51
ASP
563
A
PHE
564
n
52
PHE
564
A
GLU
565
n
53
GLU
565
A
LEU
566
n
54
LEU
566
A
SER
567
n
55
SER
567
A
ASP
568
n
56
ASP
568
A
LEU
569
n
57
LEU
569
A
GLU
570
n
58
GLU
570
A
THR
571
n
59
THR
571
A
ALA
572
n
60
ALA
572
A
LEU
573
n
61
LEU
573
A
CYS
574
n
62
CYS
574
A
THR
575
n
63
THR
575
A
ILE
576
n
64
ILE
576
A
ARG
577
n
65
ARG
577
A
MET
578
n
66
MET
578
A
PHE
579
n
67
PHE
579
A
THR
580
n
68
THR
580
A
ASP
581
n
69
ASP
581
A
LEU
582
n
70
LEU
582
A
ASN
583
n
71
ASN
583
A
LEU
584
n
72
LEU
584
A
VAL
585
n
73
VAL
585
A
GLN
586
n
74
GLN
586
A
ASN
587
n
75
ASN
587
A
PHE
588
n
76
PHE
588
A
GLN
589
n
77
GLN
589
A
MET
590
n
78
MET
590
A
LYS
591
n
79
LYS
591
A
HIS
592
n
80
HIS
592
A
GLU
593
n
81
GLU
593
A
VAL
594
n
82
VAL
594
A
LEU
595
n
83
LEU
595
A
CYS
596
n
84
CYS
596
A
ARG
597
n
85
ARG
597
A
TRP
598
n
86
TRP
598
A
ILE
599
n
87
ILE
599
A
LEU
600
n
88
LEU
600
A
SER
601
n
89
SER
601
A
VAL
602
n
90
VAL
602
A
LYS
603
n
91
LYS
603
A
LYS
604
n
92
LYS
604
A
ASN
605
n
93
ASN
605
A
TYR
606
n
94
TYR
606
A
ARG
607
n
95
ARG
607
A
LYS
608
n
96
LYS
608
A
ASN
609
n
97
ASN
609
A
VAL
610
n
98
VAL
610
A
ALA
611
n
99
ALA
611
A
TYR
612
n
100
TYR
612
A
HIS
613
n
101
HIS
613
A
ASN
614
n
102
ASN
614
A
TRP
615
n
103
TRP
615
A
ARG
616
n
104
ARG
616
A
HIS
617
n
105
HIS
617
A
ALA
618
n
106
ALA
618
A
PHE
619
n
107
PHE
619
A
ASN
620
n
108
ASN
620
A
THR
621
n
109
THR
621
A
ALA
622
n
110
ALA
622
A
GLN
623
n
111
GLN
623
A
CYS
624
n
112
CYS
624
A
MET
625
n
113
MET
625
A
PHE
626
n
114
PHE
626
A
ALA
627
n
115
ALA
627
A
ALA
628
n
116
ALA
628
A
LEU
629
n
117
LEU
629
A
LYS
630
n
118
LYS
630
A
ALA
631
n
119
ALA
631
A
GLY
632
n
120
GLY
632
A
LYS
633
n
121
LYS
633
A
ILE
634
n
122
ILE
634
A
GLN
635
n
123
GLN
635
A
ASN
636
n
124
ASN
636
A
LYS
637
n
125
LYS
637
A
LEU
638
n
126
LEU
638
A
THR
639
n
127
THR
639
A
ASP
640
n
128
ASP
640
A
LEU
641
n
129
LEU
641
A
GLU
642
n
130
GLU
642
A
ILE
643
n
131
ILE
643
A
LEU
644
n
132
LEU
644
A
ALA
645
n
133
ALA
645
A
LEU
646
n
134
LEU
646
A
LEU
647
n
135
LEU
647
A
ILE
648
n
136
ILE
648
A
ALA
649
n
137
ALA
649
A
ALA
650
n
138
ALA
650
A
LEU
651
n
139
LEU
651
A
SER
652
n
140
SER
652
A
HIS
653
n
141
HIS
653
A
ASP
654
n
142
ASP
654
A
LEU
655
n
143
LEU
655
A
ASP
656
n
144
ASP
656
A
HIS
657
n
145
HIS
657
A
PRO
658
n
146
PRO
658
A
GLY
659
n
147
GLY
659
A
VAL
660
n
148
VAL
660
A
SER
661
n
149
SER
661
A
ASN
662
n
150
ASN
662
A
GLN
663
n
151
GLN
663
A
PHE
664
n
152
PHE
664
A
LEU
665
n
153
LEU
665
A
ILE
666
n
154
ILE
666
A
ASN
667
n
155
ASN
667
A
THR
668
n
156
THR
668
A
ASN
669
n
157
ASN
669
A
SER
670
n
158
SER
670
A
GLU
671
n
159
GLU
671
A
LEU
672
n
160
LEU
672
A
ALA
673
n
161
ALA
673
A
LEU
674
n
162
LEU
674
A
MET
675
n
163
MET
675
A
TYR
676
n
164
TYR
676
A
ASN
676
n
165
A
ASN
676
A
ASP
677
n
166
ASP
677
A
GLU
678
n
167
GLU
678
A
SER
679
n
168
SER
679
A
VAL
680
n
169
VAL
680
A
LEU
681
n
170
LEU
681
A
GLU
682
n
171
GLU
682
A
HIS
683
n
172
HIS
683
A
HIS
684
n
173
HIS
684
A
HIS
685
n
174
HIS
685
A
PHE
686
n
175
PHE
686
A
ASP
687
n
176
ASP
687
A
GLN
688
n
177
GLN
688
A
CYS
689
n
178
CYS
689
A
LEU
690
n
179
LEU
690
A
MET
691
n
180
MET
691
A
ILE
692
n
181
ILE
692
A
LEU
693
n
182
LEU
693
A
ASN
694
n
183
ASN
694
A
SER
695
n
184
SER
695
A
PRO
696
n
185
PRO
696
A
GLY
697
n
186
GLY
697
A
ASN
698
n
187
ASN
698
A
GLN
699
n
188
GLN
699
A
ILE
700
n
189
ILE
700
A
LEU
701
n
190
LEU
701
A
SER
702
n
191
SER
702
A
GLY
703
n
192
GLY
703
A
LEU
704
n
193
LEU
704
A
SER
705
n
194
SER
705
A
ILE
706
n
195
ILE
706
A
GLU
707
n
196
GLU
707
A
GLU
708
n
197
GLU
708
A
TYR
709
n
198
TYR
709
A
LYS
710
n
199
LYS
710
A
THR
711
n
200
THR
711
A
THR
712
n
201
THR
712
A
LEU
713
n
202
LEU
713
A
LYS
714
n
203
LYS
714
A
ILE
715
n
204
ILE
715
A
ILE
716
n
205
ILE
716
A
LYS
717
n
206
LYS
717
A
GLN
718
n
207
GLN
718
A
ALA
719
n
208
ALA
719
A
ILE
720
n
209
ILE
720
A
LEU
721
n
210
LEU
721
A
ALA
722
n
211
ALA
722
A
THR
723
n
212
THR
723
A
ASP
724
n
213
ASP
724
A
LEU
725
n
214
LEU
725
A
ALA
726
n
215
ALA
726
A
LEU
727
n
216
LEU
727
A
TYR
728
n
217
TYR
728
A
ILE
729
n
218
ILE
729
A
LYS
730
n
219
LYS
730
A
ARG
731
n
220
ARG
731
A
ARG
732
n
221
ARG
732
A
GLY
733
n
222
GLY
733
A
GLU
734
n
223
GLU
734
A
PHE
735
n
224
PHE
735
A
PHE
736
n
225
PHE
736
A
GLU
737
n
226
GLU
737
A
LEU
738
n
227
LEU
738
A
ILE
739
n
228
ILE
739
A
ARG
740
n
229
ARG
740
A
LYS
741
n
230
LYS
741
A
ASN
742
n
231
ASN
742
A
GLN
743
n
232
GLN
743
A
PHE
744
n
233
PHE
744
A
ASN
745
n
234
ASN
745
A
LEU
746
n
235
LEU
746
A
GLU
747
n
236
GLU
747
A
ASP
748
n
237
ASP
748
A
PRO
749
n
238
PRO
749
A
HIS
750
n
239
HIS
750
A
GLN
751
n
240
GLN
751
A
LYS
752
n
241
LYS
752
A
GLU
753
n
242
GLU
753
A
LEU
754
n
243
LEU
754
A
PHE
755
n
244
PHE
755
A
LEU
756
n
245
LEU
756
A
ALA
757
n
246
ALA
757
A
MET
758
n
247
MET
758
A
LEU
759
n
248
LEU
759
A
MET
760
n
249
MET
760
A
THR
761
n
250
THR
761
A
ALA
762
n
251
ALA
762
A
CYS
763
n
252
CYS
763
A
ASP
764
n
253
ASP
764
A
LEU
765
n
254
LEU
765
A
SER
766
n
255
SER
766
A
ALA
767
n
256
ALA
767
A
ILE
768
n
257
ILE
768
A
THR
769
n
258
THR
769
A
LYS
770
n
259
LYS
770
A
PRO
771
n
260
PRO
771
A
TRP
772
n
261
TRP
772
A
PRO
773
n
262
PRO
773
A
ILE
774
n
263
ILE
774
A
GLN
775
n
264
GLN
775
A
GLN
776
n
265
GLN
776
A
ARG
777
n
266
ARG
777
A
ILE
778
n
267
ILE
778
A
ALA
779
n
268
ALA
779
A
GLU
780
n
269
GLU
780
A
LEU
781
n
270
LEU
781
A
VAL
782
n
271
VAL
782
A
ALA
783
n
272
ALA
783
A
THR
784
n
273
THR
784
A
GLU
785
n
274
GLU
785
A
PHE
786
n
275
PHE
786
A
PHE
787
n
276
PHE
787
A
ASP
788
n
277
ASP
788
A
GLN
789
n
278
GLN
789
A
GLY
790
n
279
GLY
790
A
ASP
791
n
280
ASP
791
A
ARG
792
n
281
ARG
792
A
GLU
793
n
282
GLU
793
A
ARG
794
n
283
ARG
794
A
LYS
795
n
284
LYS
795
A
GLU
796
n
285
GLU
796
A
LEU
797
n
286
LEU
797
A
ASN
798
n
287
ASN
798
A
ILE
799
n
288
ILE
799
A
GLU
800
n
289
GLU
800
A
PRO
801
n
290
PRO
801
A
THR
802
n
291
THR
802
A
ASP
803
n
292
ASP
803
A
LEU
804
n
293
LEU
804
A
MET
805
n
294
MET
805
A
ASN
806
n
295
ASN
806
A
ARG
807
n
296
ARG
807
A
GLU
808
n
297
GLU
808
A
LYS
809
n
298
LYS
809
A
LYS
810
n
299
LYS
810
A
ASN
811
n
300
ASN
811
A
LYS
812
n
301
LYS
812
A
ILE
813
n
302
ILE
813
A
PRO
814
n
303
PRO
814
A
SER
815
n
304
SER
815
A
MET
816
n
305
MET
816
A
GLN
817
n
306
GLN
817
A
VAL
818
n
307
VAL
818
A
GLY
819
n
308
GLY
819
A
PHE
820
n
309
PHE
820
A
ILE
821
n
310
ILE
821
A
ASP
822
n
311
ASP
822
A
ALA
823
n
312
ALA
823
A
ILE
824
n
313
ILE
824
A
CYS
825
n
314
CYS
825
A
LEU
826
n
315
LEU
826
A
GLN
827
n
316
GLN
827
A
LEU
828
n
317
LEU
828
A
TYR
829
n
318
TYR
829
A
GLU
830
n
319
GLU
830
A
ALA
831
n
320
ALA
831
A
LEU
832
n
321
LEU
832
A
THR
833
n
322
THR
833
A
HIS
834
n
323
HIS
834
A
VAL
835
n
324
VAL
835
A
SER
836
n
325
SER
836
A
GLU
837
n
326
GLU
837
A
ASP
838
n
327
ASP
838
A
CYS
839
n
328
CYS
839
A
PHE
840
n
329
PHE
840
A
PRO
841
n
330
PRO
841
A
LEU
842
n
331
LEU
842
A
LEU
843
n
332
LEU
843
A
ASP
844
n
333
ASP
844
A
GLY
845
n
334
GLY
845
A
CYS
846
n
335
CYS
846
A
ARG
847
n
336
ARG
847
A
LYS
848
n
337
LYS
848
A
ASN
849
n
338
ASN
849
A
ARG
850
n
339
ARG
850
A
GLN
851
n
340
GLN
851
A
LYS
852
n
341
LYS
852
A
TRP
853
n
342
TRP
853
A
GLN
854
n
343
GLN
854
A
ALA
855
n
344
ALA
855
A
LEU
856
n
345
LEU
856
A
ALA
857
n
346
ALA
857
A
GLU
858
n
347
GLU
858
A
n
348
859
A
n
349
860
A
n
350
861
A
n
351
862
A
n
352
863
A
n
353
864
A
n
354
865
A
n
355
866
A
n
356
867
A
n
357
868
A
n
358
869
A
n
359
870
A
n
360
871
A
n
361
872
A
n
362
873
A
n
363
874
A
n
364
875
A
0.9713
0.1007
0.6266
1.5150
-0.1226
1.9555
0.0726
0.0373
-0.0493
0.1195
-0.1309
-0.1335
-0.0463
0.1755
0.0583
0.1479
-0.0901
-0.1368
0.0977
0.0878
0.1511
refined
-24.3410
39.8550
70.6240
X-RAY DIFFRACTION
A
534
A
22
A
858
A
347
X-RAY DIFFRACTION
1
author_defined_assembly
1
monomeric
A
HIS
617
A
NE2
HIS
105
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HIS
653
A
NE2
HIS
141
1_555
99.3
A
HIS
617
A
NE2
HIS
105
1_555
A
ZN
1
B
ZN
ZN
1_555
A
ASP
654
A
OD2
ASP
142
1_555
87.1
A
HIS
653
A
NE2
HIS
141
1_555
A
ZN
1
B
ZN
ZN
1_555
A
ASP
654
A
OD2
ASP
142
1_555
90.2
A
HIS
617
A
NE2
HIS
105
1_555
A
ZN
1
B
ZN
ZN
1_555
A
ASP
764
A
OD1
ASP
253
1_555
86.7
A
HIS
653
A
NE2
HIS
141
1_555
A
ZN
1
B
ZN
ZN
1_555
A
ASP
764
A
OD1
ASP
253
1_555
87.0
A
ASP
654
A
OD2
ASP
142
1_555
A
ZN
1
B
ZN
ZN
1_555
A
ASP
764
A
OD1
ASP
253
1_555
172.7
A
HIS
617
A
NE2
HIS
105
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1001
E
O
HOH
1_555
165.9
A
HIS
653
A
NE2
HIS
141
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1001
E
O
HOH
1_555
94.8
A
ASP
654
A
OD2
ASP
142
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1001
E
O
HOH
1_555
93.8
A
ASP
764
A
OD1
ASP
253
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1001
E
O
HOH
1_555
93.2
A
HIS
617
A
NE2
HIS
105
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1006
E
O
HOH
1_555
85.0
A
HIS
653
A
NE2
HIS
141
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1006
E
O
HOH
1_555
172.0
A
ASP
654
A
OD2
ASP
142
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1006
E
O
HOH
1_555
96.7
A
ASP
764
A
OD1
ASP
253
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1006
E
O
HOH
1_555
86.5
A
HOH
1001
E
O
HOH
1_555
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1006
E
O
HOH
1_555
80.9
A
ASP
654
A
OD1
ASP
142
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1001
E
O
HOH
1_555
93.3
A
ASP
654
A
OD1
ASP
142
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1002
E
O
HOH
1_555
80.9
A
HOH
1001
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1002
E
O
HOH
1_555
98.9
A
ASP
654
A
OD1
ASP
142
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1003
E
O
HOH
1_555
93.5
A
HOH
1001
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1003
E
O
HOH
1_555
170.8
A
HOH
1002
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1003
E
O
HOH
1_555
88.3
A
ASP
654
A
OD1
ASP
142
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1004
E
O
HOH
1_555
96.9
A
HOH
1001
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1004
E
O
HOH
1_555
85.2
A
HOH
1002
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1004
E
O
HOH
1_555
175.5
A
HOH
1003
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1004
E
O
HOH
1_555
87.9
A
ASP
654
A
OD1
ASP
142
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1005
E
O
HOH
1_555
168.0
A
HOH
1001
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1005
E
O
HOH
1_555
92.4
A
HOH
1002
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1005
E
O
HOH
1_555
87.8
A
HOH
1003
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1005
E
O
HOH
1_555
82.1
A
HOH
1004
E
O
HOH
1_555
A
MG
2
C
MG
MG
1_555
A
HOH
1005
E
O
HOH
1_555
94.1
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
MET
513
A
MET
1
1
Y
1
A
GLY
514
A
GLY
2
1
Y
1
A
SER
515
A
SER
3
1
Y
1
A
SER
516
A
SER
4
1
Y
1
A
HIS
517
A
HIS
5
1
Y
1
A
HIS
518
A
HIS
6
1
Y
1
A
HIS
519
A
HIS
7
1
Y
1
A
HIS
520
A
HIS
8
1
Y
1
A
HIS
521
A
HIS
9
1
Y
1
A
HIS
522
A
HIS
10
1
Y
1
A
SER
523
A
SER
11
1
Y
1
A
SER
524
A
SER
12
1
Y
1
A
GLY
525
A
GLY
13
1
Y
1
A
LEU
526
A
LEU
14
1
Y
1
A
VAL
527
A
VAL
15
1
Y
1
A
PRO
528
A
PRO
16
1
Y
1
A
ARG
529
A
ARG
17
1
Y
1
A
GLY
530
A
GLY
18
1
Y
1
A
SER
531
A
SER
19
1
Y
1
A
HIS
532
A
HIS
20
1
Y
1
A
MET
533
A
MET
21
1
Y
1
A
GLN
859
A
GLN
348
1
Y
1
A
GLN
860
A
GLN
349
1
Y
1
A
GLU
861
A
GLU
350
1
Y
1
A
LYS
862
A
LYS
351
1
Y
1
A
MET
863
A
MET
352
1
Y
1
A
LEU
864
A
LEU
353
1
Y
1
A
ILE
865
A
ILE
354
1
Y
1
A
ASN
866
A
ASN
355
1
Y
1
A
GLY
867
A
GLY
356
1
Y
1
A
GLU
868
A
GLU
357
1
Y
1
A
SER
869
A
SER
358
1
Y
1
A
GLY
870
A
GLY
359
1
Y
1
A
GLN
871
A
GLN
360
1
Y
1
A
ALA
872
A
ALA
361
1
Y
1
A
LYS
873
A
LYS
362
1
Y
1
A
ARG
874
A
ARG
363
1
Y
1
A
ASN
875
A
ASN
364
1
Y
1
A
A
O
O
HOH
HOH
1056
1148
2.02
1
5.55
0.90
118.30
123.85
A
A
A
CB
CG
OD2
ASP
ASP
ASP
656
656
656
N
1
A
LYS
630
-91.74
-72.77
1
A
SER
679
28.79
60.16
1
A
LYS
809
-95.84
33.30
20.466
0.27
0.14
0.00
0.27
0.00
-0.41
0.966
0.958
HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
0.20788
0.19327
0.194
1.79
76.70
2521
46654
46654
5.1
97.16
2.921
0.083
RANDOM
LIKELY RESIDUAL
1
Isotropic
THROUGHOUT
MOLECULAR REPLACEMENT
0.101
0.094
0.80
0.80
1.40
MAXIMUM LIKELIHOOD
BABINET MODEL WITH MASK
0.095
0.101
1.79
76.70
156
2829
36
0
2637
0.010
0.021
2735
0.002
0.020
2480
1.369
1.967
3683
0.856
3.000
5788
2.987
5.000
325
0.105
0.200
415
0.005
0.020
2970
0.004
0.020
525
0.211
0.200
616
0.224
0.200
2740
0.085
0.200
1487
0.164
0.200
125
0.113
0.200
5
0.277
0.200
30
0.134
0.200
6
0.611
1.500
1637
1.161
2.000
2631
2.253
3.000
1098
3.397
4.500
1052
0.378
0.383
1.836
179
3311
20
1.79
76.70
1XP0
46654
46654
0
0
0.058
1
7.8
6
96.9
0.599
1.790
1.836
1.3
3490
1
5.5
96.9
refinement
REFMAC
5.1.25
data collection
Blu-Ice
data scaling
ELVES
phasing
EPMR
Catalytic Domain Of Human Phosphodiesterase 5A In Complex With Vardenafil
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
The biological assembly is one monomer.
A
GLU
534
A
GLU
22
HELX_P
A
ALA
546
A
ALA
34
1
1
13
A
SER
550
A
SER
38
HELX_P
A
LYS
555
A
LYS
43
1
2
6
A
SER
567
A
SER
55
HELX_P
A
LEU
582
A
LEU
70
1
3
16
A
ASN
583
A
ASN
71
HELX_P
A
PHE
588
A
PHE
76
1
4
6
A
LYS
591
A
LYS
79
HELX_P
A
ASN
605
A
ASN
93
1
5
15
A
ASN
614
A
ASN
102
HELX_P
A
ALA
631
A
ALA
119
1
6
18
A
ILE
634
A
ILE
122
HELX_P
A
LEU
638
A
LEU
126
5
7
5
A
THR
639
A
THR
127
HELX_P
A
HIS
653
A
HIS
141
1
8
15
A
SER
661
A
SER
149
HELX_P
A
THR
668
A
THR
156
1
9
8
A
SER
670
A
SER
158
HELX_P
A
TYR
676
A
TYR
164
1
10
7
A
SER
679
A
SER
168
HELX_P
A
ASN
694
A
ASN
183
1
11
16
A
SER
705
A
SER
194
HELX_P
A
THR
723
A
THR
212
1
12
19
A
ASP
724
A
ASP
213
HELX_P
A
LYS
741
A
LYS
230
1
13
18
A
ASP
748
A
ASP
237
HELX_P
A
LEU
765
A
LEU
254
1
14
18
A
SER
766
A
SER
255
HELX_P
A
LYS
770
A
LYS
259
5
15
5
A
PRO
771
A
PRO
260
HELX_P
A
LEU
797
A
LEU
286
1
16
27
A
THR
802
A
THR
291
HELX_P
A
ASN
811
A
ASN
300
5
17
10
A
LYS
812
A
LYS
301
HELX_P
A
ILE
824
A
ILE
313
1
18
13
A
CYS
825
A
CYS
314
HELX_P
A
SER
836
A
SER
325
1
19
12
A
CYS
839
A
CYS
328
HELX_P
A
ALA
857
A
ALA
346
1
20
19
metalc
2.095
A
ZN
1
B
ZN
ZN
1_555
A
HIS
617
A
NE2
HIS
105
1_555
metalc
2.035
A
ZN
1
B
ZN
ZN
1_555
A
HIS
653
A
NE2
HIS
141
1_555
metalc
2.097
A
ZN
1
B
ZN
ZN
1_555
A
ASP
654
A
OD2
ASP
142
1_555
metalc
2.094
A
ZN
1
B
ZN
ZN
1_555
A
ASP
764
A
OD1
ASP
253
1_555
metalc
2.018
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1001
E
O
HOH
1_555
metalc
1.967
A
ZN
1
B
ZN
ZN
1_555
A
HOH
1006
E
O
HOH
1_555
metalc
2.156
A
MG
2
C
MG
MG
1_555
A
ASP
654
A
OD1
ASP
142
1_555
metalc
2.177
A
MG
2
C
MG
MG
1_555
A
HOH
1001
E
O
HOH
1_555
metalc
2.086
A
MG
2
C
MG
MG
1_555
A
HOH
1002
E
O
HOH
1_555
metalc
2.182
A
MG
2
C
MG
MG
1_555
A
HOH
1003
E
O
HOH
1_555
metalc
2.132
A
MG
2
C
MG
MG
1_555
A
HOH
1004
E
O
HOH
1_555
metalc
2.174
A
MG
2
C
MG
MG
1_555
A
HOH
1005
E
O
HOH
1_555
HYDROLASE
Phosphodiesterase, PDE, PDE5A, Vardenafil, Levitra, HYDROLASE
PDE5A_HUMAN
UNP
1
534
O76074
EEETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKHEVLCRWILSVKKNYRKNVAYH
NWRHAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHRGVNNSYIQRSEHPLAQLYC-HSIMEHHHFDQCLMI
LNSPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQKELFLAMLMTACDLSAITKPW
PIQQRIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLLDGCRKNRQK
WQALAEQQEKMLINGESGQAKRN
534
875
1XP0
534
875
O76074
A
1
22
364
1
initiating methionine
MET
513
1XP0
A
O76074
UNP
1
1
cloning artifact
GLY
514
1XP0
A
O76074
UNP
2
1
cloning artifact
SER
515
1XP0
A
O76074
UNP
3
1
cloning artifact
SER
516
1XP0
A
O76074
UNP
4
1
expression tag
HIS
517
1XP0
A
O76074
UNP
5
1
expression tag
HIS
518
1XP0
A
O76074
UNP
6
1
expression tag
HIS
519
1XP0
A
O76074
UNP
7
1
expression tag
HIS
520
1XP0
A
O76074
UNP
8
1
expression tag
HIS
521
1XP0
A
O76074
UNP
9
1
expression tag
HIS
522
1XP0
A
O76074
UNP
10
1
cloning artifact
SER
523
1XP0
A
O76074
UNP
11
1
cloning artifact
SER
524
1XP0
A
O76074
UNP
12
1
cloning artifact
GLY
525
1XP0
A
O76074
UNP
13
1
cloning artifact
LEU
526
1XP0
A
O76074
UNP
14
1
cloning artifact
VAL
527
1XP0
A
O76074
UNP
15
1
cloning artifact
PRO
528
1XP0
A
O76074
UNP
16
1
cloning artifact
ARG
529
1XP0
A
O76074
UNP
17
1
cloning artifact
GLY
530
1XP0
A
O76074
UNP
18
1
cloning artifact
SER
531
1XP0
A
O76074
UNP
19
1
cloning artifact
HIS
532
1XP0
A
O76074
UNP
20
1
cloning artifact
MET
533
1XP0
A
O76074
UNP
21
1
ARG
engineered mutation
PRO
658
1XP0
A
O76074
UNP
658
146
1
ASN
engineered mutation
SER
661
1XP0
A
O76074
UNP
661
149
1
ASN
engineered mutation
GLN
663
1XP0
A
O76074
UNP
663
151
1
SER
engineered mutation
LEU
647
1XP0
A
O76074
UNP
664
135
1
TYR
engineered mutation
ILE
648
1XP0
A
O76074
UNP
665
136
1
ARG
engineered mutation
ASN
667
1XP0
A
O76074
UNP
667
155
1
SER
engineered mutation
THR
668
1XP0
A
O76074
UNP
668
156
1
GLU
engineered mutation
ASN
669
1XP0
A
O76074
UNP
669
157
1
HIS
engineered mutation
SER
670
1XP0
A
O76074
UNP
670
158
1
PRO
engineered mutation
GLU
671
1XP0
A
O76074
UNP
671
159
1
GLN
engineered mutation
LEU
674
1XP0
A
O76074
UNP
674
162
1
LEU
engineered mutation
MET
675
1XP0
A
O76074
UNP
675
163
1
CYS
engineered mutation
ASN
676
1XP0
A
A
O76074
UNP
677
165
1
engineered mutation
ASP
677
1XP0
A
O76074
UNP
166
1
HIS
engineered mutation
GLU
678
1XP0
A
O76074
UNP
678
167
1
ILE
engineered mutation
VAL
680
1XP0
A
O76074
UNP
680
169
1
MET
engineered mutation
LEU
681
1XP0
A
O76074
UNP
681
170
BINDING SITE FOR RESIDUE ZN A 1
A
ZN
1
Software
6
BINDING SITE FOR RESIDUE MG A 2
A
MG
2
Software
6
BINDING SITE FOR RESIDUE VDN A 201
A
VDN
201
Software
3
A
HIS
617
A
HIS
105
6
1_555
A
HIS
653
A
HIS
141
6
1_555
A
ASP
654
A
ASP
142
6
1_555
A
ASP
764
A
ASP
253
6
1_555
A
HOH
1001
E
HOH
6
1_555
A
HOH
1006
E
HOH
6
1_555
A
ASP
654
A
ASP
142
6
1_555
A
HOH
1001
E
HOH
6
1_555
A
HOH
1002
E
HOH
6
1_555
A
HOH
1003
E
HOH
6
1_555
A
HOH
1004
E
HOH
6
1_555
A
HOH
1005
E
HOH
6
1_555
A
GLN
817
A
GLN
306
3
1_555
A
PHE
820
A
PHE
309
3
1_555
A
HOH
1007
E
HOH
3
1_555
179
P 65 2 2