0.009758
0.000000
0.000000
0.000000
0.009758
0.000000
0.000000
0.000000
0.016670
0.000000
0.000000
0.000000
Chopra, R.
Xu, M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.000
90.000
90.000
102.478
102.478
59.987
C28 H27 N7 O
477.560
{5-[4-(dimethylamino)piperidin-1-yl]-1H-imidazo[4,5-b]pyridin-2-yl}[2-(isoquinolin-4-yl)pyridin-4-yl]methanone
non-polymer
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
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
N
1
N
C
N
2
N
C
N
3
N
C
N
4
N
O
Y
5
N
C
Y
6
N
C
Y
7
N
C
N
8
N
C
Y
9
N
C
Y
10
N
C
Y
11
N
C
Y
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
Y
19
N
C
Y
20
N
C
Y
21
N
C
Y
22
N
C
N
23
N
N
N
24
N
C
N
25
N
C
N
26
N
N
N
27
N
C
N
28
N
C
Y
29
N
C
Y
30
N
C
Y
31
N
C
Y
32
N
N
Y
33
N
N
Y
34
N
N
Y
35
N
N
Y
36
N
N
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
N
N
65
S
C
N
66
N
C
N
67
N
O
N
68
N
C
N
69
N
O
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
H
N
75
N
H
N
76
N
H
N
77
N
N
N
78
S
C
N
79
N
C
N
80
N
O
N
81
N
C
N
82
N
C
N
83
N
C
N
84
N
N
N
85
N
C
N
86
N
N
N
87
N
N
N
88
N
O
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
H
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
N
N
105
S
C
N
106
N
C
N
107
N
O
N
108
N
C
N
109
N
C
N
110
N
O
N
111
N
N
N
112
N
O
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
N
N
122
S
C
N
123
N
C
N
124
N
O
N
125
N
C
N
126
N
C
N
127
N
O
N
128
N
O
N
129
N
O
N
130
N
H
N
131
N
H
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
R
C
N
139
N
C
N
140
N
O
N
141
N
C
N
142
N
S
N
143
N
O
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
N
N
152
S
C
N
153
N
C
N
154
N
O
N
155
N
C
N
156
N
C
N
157
N
C
N
158
N
O
N
159
N
N
N
160
N
O
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
N
N
172
S
C
N
173
N
C
N
174
N
O
N
175
N
C
N
176
N
C
N
177
N
C
N
178
N
O
N
179
N
O
N
180
N
O
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
N
N
191
N
C
N
192
N
C
N
193
N
O
N
194
N
O
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
N
N
201
S
C
N
202
N
C
N
203
N
O
N
204
N
C
Y
205
N
C
Y
206
N
N
Y
207
N
C
Y
208
N
C
Y
209
N
N
N
210
N
O
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
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
N
N
222
S
C
N
223
N
C
N
224
N
O
N
225
S
C
N
226
N
C
N
227
N
C
N
228
N
C
N
229
N
O
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
N
N
244
S
C
N
245
N
C
N
246
N
O
N
247
N
C
N
248
N
C
N
249
N
C
N
250
N
C
N
251
N
O
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
N
N
266
S
C
N
267
N
C
N
268
N
O
N
269
N
C
N
270
N
C
N
271
N
C
N
272
N
C
N
273
N
N
N
274
N
O
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
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
C
N
296
N
S
N
297
N
C
N
298
N
O
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
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
N
N
311
S
C
N
312
N
C
N
313
N
O
N
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
Y
318
N
C
Y
319
N
C
Y
320
N
C
N
321
N
O
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
N
N
334
S
C
N
335
N
C
N
336
N
O
N
337
N
C
N
338
N
C
N
339
N
C
N
340
N
O
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
H
N
350
N
N
N
351
S
C
N
352
N
C
N
353
N
O
N
354
N
C
N
355
N
O
N
356
N
O
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
N
N
365
S
C
N
366
N
C
N
367
N
O
N
368
R
C
N
369
N
O
N
370
N
C
N
371
N
O
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
N
N
382
S
C
N
383
N
C
N
384
N
O
N
385
N
C
Y
386
N
C
Y
387
N
C
Y
388
N
C
Y
389
N
N
Y
390
N
C
Y
391
N
C
Y
392
N
C
Y
393
N
C
Y
394
N
C
N
395
N
O
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
N
N
409
S
C
N
410
N
C
N
411
N
O
N
412
N
C
Y
413
N
C
Y
414
N
C
Y
415
N
C
Y
416
N
C
Y
417
N
C
Y
418
N
C
N
419
N
O
N
420
N
O
N
421
N
H
N
422
N
H
N
423
N
H
N
424
N
H
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
N
N
433
S
C
N
434
N
C
N
435
N
O
N
436
N
C
N
437
N
C
N
438
N
C
N
439
N
O
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
Y
1
N
doub
Y
2
N
sing
Y
3
N
sing
Y
4
N
doub
Y
5
N
doub
Y
6
N
sing
Y
7
N
sing
Y
8
N
sing
N
9
N
sing
Y
10
N
doub
Y
11
N
doub
Y
12
N
sing
Y
13
N
doub
Y
14
N
sing
Y
15
N
doub
Y
16
N
sing
Y
17
N
doub
Y
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
doub
Y
22
N
sing
Y
23
N
sing
Y
24
N
doub
Y
25
N
doub
Y
26
N
sing
Y
27
N
sing
Y
28
N
sing
Y
29
N
doub
Y
30
N
doub
Y
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
N
59
N
sing
N
60
N
sing
N
61
N
sing
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
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
doub
N
76
N
sing
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
doub
N
88
N
sing
N
89
N
sing
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
doub
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
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
doub
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
doub
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
sing
N
127
N
sing
N
128
N
sing
N
129
N
doub
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
doub
N
135
N
sing
N
136
N
sing
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
doub
N
145
N
sing
N
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
doub
N
158
N
sing
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
doub
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
doub
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
doub
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
doub
N
195
N
sing
N
196
N
sing
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
doub
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
Y
208
N
sing
Y
209
N
doub
Y
210
N
doub
N
211
N
sing
Y
212
N
sing
N
213
N
sing
Y
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
sing
N
244
N
sing
N
245
N
doub
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
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
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
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
doub
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
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
doub
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
Y
314
N
doub
Y
315
N
sing
Y
316
N
sing
N
317
N
sing
Y
318
N
doub
N
319
N
sing
Y
320
N
doub
N
321
N
sing
Y
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
doub
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
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
sing
N
348
N
sing
N
349
N
doub
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
doub
N
363
N
sing
N
364
N
sing
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
doub
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
Y
383
N
doub
Y
384
N
sing
Y
385
N
sing
N
386
N
sing
Y
387
N
doub
Y
388
N
sing
Y
389
N
sing
N
390
N
sing
Y
391
N
sing
Y
392
N
doub
N
393
N
sing
Y
394
N
doub
N
395
N
sing
Y
396
N
sing
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
doub
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
Y
411
N
doub
Y
412
N
sing
Y
413
N
sing
N
414
N
sing
Y
415
N
doub
N
416
N
sing
Y
417
N
doub
N
418
N
sing
Y
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
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
doub
N
431
N
sing
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
US
ACS Med Chem Lett
1948-5875
3
445
449
10.1021/ml200241a
24900493
Fragment-Based Discovery of 7-Azabenzimidazoles as Potent, Highly Selective, and Orally Active CDK4/6 Inhibitors.
2012
10.2210/pdb4ez5/pdb
pdb_00004ez5
1
CCD
MAR CCD 165 mm
SINGLE WAVELENGTH
M
x-ray
1
1
1.0
37
0
37
-26
22
0
8618
2.700
19.625
8618
X10SA
SLS
1
SYNCHROTRON
SLS BEAMLINE X10SA
35019.215
Cyclin-dependent kinase 6
2.7.11.22
UNP residues 1-301
1
man
polymer
477.560
{5-[4-(dimethylamino)piperidin-1-yl]-1H-imidazo[4,5-b]pyridin-2-yl}[2-(isoquinolin-4-yl)pyridin-4-yl]methanone
1
syn
non-polymer
Cell division protein kinase 6, Serine/threonine-protein kinase PLSTIRE
no
no
MEKDGLCRADQQYECVAEIGEGAYGKVFKARDLKNGGRFVALKRVRVQTGEEGMPLSTIREVAVLRHLETFEHPNVVRLF
DVCTVSRTDRETKLTLVFEHVDQDLTTYLDKVPEPGVPTETIKDMMFQLLRGLDFLHSHRVVHRDLKPQNILVTSSGQIK
LADFGLARIYSFQMALTSVVVTLWYRAPEVLLQSSYATPVDLWSVGCIFAEMFRRKPLFRGSSDVDQLGKILDVIGLPGE
EDWPRDVALPRQAFHSKSAQPIEKFVTDIDELGKDLLLKCLTFNPAKRISAYSALSHPYFQHHHHHH
MEKDGLCRADQQYECVAEIGEGAYGKVFKARDLKNGGRFVALKRVRVQTGEEGMPLSTIREVAVLRHLETFEHPNVVRLF
DVCTVSRTDRETKLTLVFEHVDQDLTTYLDKVPEPGVPTETIKDMMFQLLRGLDFLHSHRVVHRDLKPQNILVTSSGQIK
LADFGLARIYSFQMALTSVVVTLWYRAPEVLLQSSYATPVDLWSVGCIFAEMFRRKPLFRGSSDVDQLGKILDVIGLPGE
EDWPRDVALPRQAFHSKSAQPIEKFVTDIDELGKDLLLKCLTFNPAKRISAYSALSHPYFQHHHHHH
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
human
sample
CDK6, CDKN6
9606
Homo sapiens
562
Escherichia coli
1
2.25
45.30
VAPOR DIFFUSION, HANGING DROP
6
0.1M MES pH 6.0, 12% PEG-3350, 0.1M NH4NO3, EVAPORATION, temperature 298K, VAPOR DIFFUSION, HANGING DROP
298
exptl_crystal_grow
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_ref_seq_dif
struct_site
repository
Initial release
Database references
Experimental preparation
Data collection
Database references
Derived calculations
Refinement description
1
0
2013-02-06
1
1
2014-09-24
1
2
2018-01-24
1
3
2023-09-13
_exptl_crystal_grow.pdbx_details
_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
2012-05-02
REL
REL
0RS
{5-[4-(dimethylamino)piperidin-1-yl]-1H-imidazo[4,5-b]pyridin-2-yl}[2-(isoquinolin-4-yl)pyridin-4-yl]methanone
3NUP
PDB
experimental model
0RS
900
2
0RS
0RS
900
A
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
n
6
6
A
n
7
7
A
n
8
8
A
n
9
9
A
n
10
10
A
GLN
11
n
11
GLN
11
A
GLN
12
n
12
GLN
12
A
TYR
13
n
13
TYR
13
A
GLU
14
n
14
GLU
14
A
CYS
15
n
15
CYS
15
A
VAL
16
n
16
VAL
16
A
ALA
17
n
17
ALA
17
A
GLU
18
n
18
GLU
18
A
ILE
19
n
19
ILE
19
A
GLY
20
n
20
GLY
20
A
GLU
21
n
21
GLU
21
A
GLY
22
n
22
GLY
22
A
ALA
23
n
23
ALA
23
A
n
24
24
A
GLY
25
n
25
GLY
25
A
LYS
26
n
26
LYS
26
A
VAL
27
n
27
VAL
27
A
PHE
28
n
28
PHE
28
A
LYS
29
n
29
LYS
29
A
ALA
30
n
30
ALA
30
A
ARG
31
n
31
ARG
31
A
ASP
32
n
32
ASP
32
A
LEU
33
n
33
LEU
33
A
LYS
34
n
34
LYS
34
A
ASN
35
n
35
ASN
35
A
GLY
36
n
36
GLY
36
A
GLY
37
n
37
GLY
37
A
ARG
38
n
38
ARG
38
A
PHE
39
n
39
PHE
39
A
VAL
40
n
40
VAL
40
A
ALA
41
n
41
ALA
41
A
LEU
42
n
42
LEU
42
A
LYS
43
n
43
LYS
43
A
ARG
44
n
44
ARG
44
A
VAL
45
n
45
VAL
45
A
n
46
46
A
n
47
47
A
n
48
48
A
n
49
49
A
n
50
50
A
n
51
51
A
n
52
52
A
n
53
53
A
n
54
54
A
PRO
55
n
55
PRO
55
A
LEU
56
n
56
LEU
56
A
SER
57
n
57
SER
57
A
THR
58
n
58
THR
58
A
ILE
59
n
59
ILE
59
A
ARG
60
n
60
ARG
60
A
GLU
61
n
61
GLU
61
A
VAL
62
n
62
VAL
62
A
ALA
63
n
63
ALA
63
A
VAL
64
n
64
VAL
64
A
LEU
65
n
65
LEU
65
A
ARG
66
n
66
ARG
66
A
HIS
67
n
67
HIS
67
A
LEU
68
n
68
LEU
68
A
GLU
69
n
69
GLU
69
A
THR
70
n
70
THR
70
A
PHE
71
n
71
PHE
71
A
GLU
72
n
72
GLU
72
A
HIS
73
n
73
HIS
73
A
PRO
74
n
74
PRO
74
A
ASN
75
n
75
ASN
75
A
VAL
76
n
76
VAL
76
A
VAL
77
n
77
VAL
77
A
ARG
78
n
78
ARG
78
A
LEU
79
n
79
LEU
79
A
PHE
80
n
80
PHE
80
A
ASP
81
n
81
ASP
81
A
VAL
82
n
82
VAL
82
A
CYS
83
n
83
CYS
83
A
THR
84
n
84
THR
84
A
n
85
85
A
n
86
86
A
n
87
87
A
n
88
88
A
n
89
89
A
n
90
90
A
n
91
91
A
n
92
92
A
LYS
93
n
93
LYS
93
A
LEU
94
n
94
LEU
94
A
THR
95
n
95
THR
95
A
LEU
96
n
96
LEU
96
A
VAL
97
n
97
VAL
97
A
PHE
98
n
98
PHE
98
A
GLU
99
n
99
GLU
99
A
HIS
100
n
100
HIS
100
A
VAL
101
n
101
VAL
101
A
ASP
102
n
102
ASP
102
A
GLN
103
n
103
GLN
103
A
ASP
104
n
104
ASP
104
A
LEU
105
n
105
LEU
105
A
THR
106
n
106
THR
106
A
THR
107
n
107
THR
107
A
TYR
108
n
108
TYR
108
A
LEU
109
n
109
LEU
109
A
ASP
110
n
110
ASP
110
A
LYS
111
n
111
LYS
111
A
VAL
112
n
112
VAL
112
A
PRO
113
n
113
PRO
113
A
GLU
114
n
114
GLU
114
A
PRO
115
n
115
PRO
115
A
GLY
116
n
116
GLY
116
A
VAL
117
n
117
VAL
117
A
PRO
118
n
118
PRO
118
A
THR
119
n
119
THR
119
A
GLU
120
n
120
GLU
120
A
THR
121
n
121
THR
121
A
ILE
122
n
122
ILE
122
A
LYS
123
n
123
LYS
123
A
ASP
124
n
124
ASP
124
A
MET
125
n
125
MET
125
A
MET
126
n
126
MET
126
A
PHE
127
n
127
PHE
127
A
GLN
128
n
128
GLN
128
A
LEU
129
n
129
LEU
129
A
LEU
130
n
130
LEU
130
A
ARG
131
n
131
ARG
131
A
GLY
132
n
132
GLY
132
A
LEU
133
n
133
LEU
133
A
ASP
134
n
134
ASP
134
A
PHE
135
n
135
PHE
135
A
LEU
136
n
136
LEU
136
A
HIS
137
n
137
HIS
137
A
SER
138
n
138
SER
138
A
HIS
139
n
139
HIS
139
A
ARG
140
n
140
ARG
140
A
VAL
141
n
141
VAL
141
A
VAL
142
n
142
VAL
142
A
HIS
143
n
143
HIS
143
A
ARG
144
n
144
ARG
144
A
ASP
145
n
145
ASP
145
A
LEU
146
n
146
LEU
146
A
LYS
147
n
147
LYS
147
A
PRO
148
n
148
PRO
148
A
GLN
149
n
149
GLN
149
A
ASN
150
n
150
ASN
150
A
ILE
151
n
151
ILE
151
A
LEU
152
n
152
LEU
152
A
VAL
153
n
153
VAL
153
A
THR
154
n
154
THR
154
A
SER
155
n
155
SER
155
A
SER
156
n
156
SER
156
A
GLY
157
n
157
GLY
157
A
GLN
158
n
158
GLN
158
A
ILE
159
n
159
ILE
159
A
LYS
160
n
160
LYS
160
A
LEU
161
n
161
LEU
161
A
ALA
162
n
162
ALA
162
A
ASP
163
n
163
ASP
163
A
PHE
164
n
164
PHE
164
A
GLY
165
n
165
GLY
165
A
LEU
166
n
166
LEU
166
A
ALA
167
n
167
ALA
167
A
n
168
168
A
n
169
169
A
n
170
170
A
n
171
171
A
n
172
172
A
n
173
173
A
n
174
174
A
n
175
175
A
n
176
176
A
n
177
177
A
n
178
178
A
n
179
179
A
n
180
180
A
VAL
181
n
181
VAL
181
A
THR
182
n
182
THR
182
A
LEU
183
n
183
LEU
183
A
TRP
184
n
184
TRP
184
A
TYR
185
n
185
TYR
185
A
ARG
186
n
186
ARG
186
A
ALA
187
n
187
ALA
187
A
PRO
188
n
188
PRO
188
A
GLU
189
n
189
GLU
189
A
VAL
190
n
190
VAL
190
A
LEU
191
n
191
LEU
191
A
LEU
192
n
192
LEU
192
A
GLN
193
n
193
GLN
193
A
SER
194
n
194
SER
194
A
SER
195
n
195
SER
195
A
TYR
196
n
196
TYR
196
A
ALA
197
n
197
ALA
197
A
THR
198
n
198
THR
198
A
PRO
199
n
199
PRO
199
A
VAL
200
n
200
VAL
200
A
ASP
201
n
201
ASP
201
A
LEU
202
n
202
LEU
202
A
TRP
203
n
203
TRP
203
A
SER
204
n
204
SER
204
A
VAL
205
n
205
VAL
205
A
GLY
206
n
206
GLY
206
A
CYS
207
n
207
CYS
207
A
ILE
208
n
208
ILE
208
A
PHE
209
n
209
PHE
209
A
ALA
210
n
210
ALA
210
A
GLU
211
n
211
GLU
211
A
MET
212
n
212
MET
212
A
PHE
213
n
213
PHE
213
A
ARG
214
n
214
ARG
214
A
ARG
215
n
215
ARG
215
A
LYS
216
n
216
LYS
216
A
PRO
217
n
217
PRO
217
A
LEU
218
n
218
LEU
218
A
PHE
219
n
219
PHE
219
A
ARG
220
n
220
ARG
220
A
GLY
221
n
221
GLY
221
A
SER
222
n
222
SER
222
A
SER
223
n
223
SER
223
A
ASP
224
n
224
ASP
224
A
VAL
225
n
225
VAL
225
A
ASP
226
n
226
ASP
226
A
GLN
227
n
227
GLN
227
A
LEU
228
n
228
LEU
228
A
GLY
229
n
229
GLY
229
A
LYS
230
n
230
LYS
230
A
ILE
231
n
231
ILE
231
A
LEU
232
n
232
LEU
232
A
ASP
233
n
233
ASP
233
A
VAL
234
n
234
VAL
234
A
ILE
235
n
235
ILE
235
A
GLY
236
n
236
GLY
236
A
LEU
237
n
237
LEU
237
A
PRO
238
n
238
PRO
238
A
GLY
239
n
239
GLY
239
A
GLU
240
n
240
GLU
240
A
GLU
241
n
241
GLU
241
A
ASP
242
n
242
ASP
242
A
TRP
243
n
243
TRP
243
A
PRO
244
n
244
PRO
244
A
ARG
245
n
245
ARG
245
A
ASP
246
n
246
ASP
246
A
VAL
247
n
247
VAL
247
A
ALA
248
n
248
ALA
248
A
LEU
249
n
249
LEU
249
A
PRO
250
n
250
PRO
250
A
ARG
251
n
251
ARG
251
A
GLN
252
n
252
GLN
252
A
ALA
253
n
253
ALA
253
A
PHE
254
n
254
PHE
254
A
HIS
255
n
255
HIS
255
A
n
256
256
A
n
257
257
A
SER
258
n
258
SER
258
A
ALA
259
n
259
ALA
259
A
GLN
260
n
260
GLN
260
A
PRO
261
n
261
PRO
261
A
ILE
262
n
262
ILE
262
A
GLU
263
n
263
GLU
263
A
LYS
264
n
264
LYS
264
A
PHE
265
n
265
PHE
265
A
VAL
266
n
266
VAL
266
A
THR
267
n
267
THR
267
A
ASP
268
n
268
ASP
268
A
ILE
269
n
269
ILE
269
A
ASP
270
n
270
ASP
270
A
GLU
271
n
271
GLU
271
A
LEU
272
n
272
LEU
272
A
GLY
273
n
273
GLY
273
A
LYS
274
n
274
LYS
274
A
ASP
275
n
275
ASP
275
A
LEU
276
n
276
LEU
276
A
LEU
277
n
277
LEU
277
A
LEU
278
n
278
LEU
278
A
LYS
279
n
279
LYS
279
A
CYS
280
n
280
CYS
280
A
LEU
281
n
281
LEU
281
A
THR
282
n
282
THR
282
A
PHE
283
n
283
PHE
283
A
ASN
284
n
284
ASN
284
A
PRO
285
n
285
PRO
285
A
ALA
286
n
286
ALA
286
A
LYS
287
n
287
LYS
287
A
ARG
288
n
288
ARG
288
A
ILE
289
n
289
ILE
289
A
SER
290
n
290
SER
290
A
ALA
291
n
291
ALA
291
A
TYR
292
n
292
TYR
292
A
SER
293
n
293
SER
293
A
ALA
294
n
294
ALA
294
A
LEU
295
n
295
LEU
295
A
SER
296
n
296
SER
296
A
HIS
297
n
297
HIS
297
A
PRO
298
n
298
PRO
298
A
TYR
299
n
299
TYR
299
A
PHE
300
n
300
PHE
300
A
GLN
301
n
301
GLN
301
A
n
302
302
A
n
303
303
A
n
304
304
A
n
305
305
A
n
306
306
A
n
307
307
A
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
A
N
VAL
16
A
N
VAL
16
A
O
LYS
29
A
O
LYS
29
A
N
PHE
28
A
N
PHE
28
A
O
LEU
42
A
O
LEU
42
A
N
LYS
43
A
N
LYS
43
A
O
LEU
96
A
O
LEU
96
A
O
THR
95
A
O
THR
95
A
N
CYS
83
A
N
CYS
83
A
N
GLN
103
A
N
GLN
103
A
O
VAL
153
A
O
VAL
153
A
N
LEU
152
A
N
LEU
152
A
O
LYS
160
A
O
LYS
160
1
A
MET
1
A
MET
1
1
Y
1
A
GLU
2
A
GLU
2
1
Y
1
A
LYS
3
A
LYS
3
1
Y
1
A
ASP
4
A
ASP
4
1
Y
1
A
GLY
5
A
GLY
5
1
Y
1
A
LEU
6
A
LEU
6
1
Y
1
A
CYS
7
A
CYS
7
1
Y
1
A
ARG
8
A
ARG
8
1
Y
1
A
ALA
9
A
ALA
9
1
Y
1
A
ASP
10
A
ASP
10
1
Y
1
A
TYR
24
A
TYR
24
1
Y
1
A
ARG
46
A
ARG
46
1
Y
1
A
VAL
47
A
VAL
47
1
Y
1
A
GLN
48
A
GLN
48
1
Y
1
A
THR
49
A
THR
49
1
Y
1
A
GLY
50
A
GLY
50
1
Y
1
A
GLU
51
A
GLU
51
1
Y
1
A
GLU
52
A
GLU
52
1
Y
1
A
GLY
53
A
GLY
53
1
Y
1
A
MET
54
A
MET
54
1
Y
1
A
VAL
85
A
VAL
85
1
Y
1
A
SER
86
A
SER
86
1
Y
1
A
ARG
87
A
ARG
87
1
Y
1
A
THR
88
A
THR
88
1
Y
1
A
ASP
89
A
ASP
89
1
Y
1
A
ARG
90
A
ARG
90
1
Y
1
A
GLU
91
A
GLU
91
1
Y
1
A
THR
92
A
THR
92
1
Y
1
A
ARG
168
A
ARG
168
1
Y
1
A
ILE
169
A
ILE
169
1
Y
1
A
TYR
170
A
TYR
170
1
Y
1
A
SER
171
A
SER
171
1
Y
1
A
PHE
172
A
PHE
172
1
Y
1
A
GLN
173
A
GLN
173
1
Y
1
A
MET
174
A
MET
174
1
Y
1
A
ALA
175
A
ALA
175
1
Y
1
A
LEU
176
A
LEU
176
1
Y
1
A
THR
177
A
THR
177
1
Y
1
A
SER
178
A
SER
178
1
Y
1
A
VAL
179
A
VAL
179
1
Y
1
A
VAL
180
A
VAL
180
1
Y
1
A
SER
256
A
SER
256
1
Y
1
A
LYS
257
A
LYS
257
1
Y
1
A
HIS
302
A
HIS
302
1
Y
1
A
HIS
303
A
HIS
303
1
Y
1
A
HIS
304
A
HIS
304
1
Y
1
A
HIS
305
A
HIS
305
1
Y
1
A
HIS
306
A
HIS
306
1
Y
1
A
HIS
307
A
HIS
307
1
Y
1
A
GLU
72
35.80
64.14
1
A
PRO
115
-95.85
39.50
1
A
ARG
144
81.36
-19.68
1
A
SER
155
-28.03
-40.88
1
A
SER
194
-133.50
-49.95
1
A
ALA
197
-77.02
-166.67
1
A
ARG
215
59.85
1.55
1
A
ASP
268
92.41
-18.57
1
A
PHE
300
-97.41
47.66
156.460
93.8221
61.600
10.1464
0.0000
-0.0000
10.1464
-0.0000
-20.2929
0.2870
0.2162
0.2196
2.7000
19.6250
408
8616
4.7400
99.9100
1.000
1.000
0.7125
0.5600
RANDOM
1
1.380
MOLECULAR REPLACEMENT
34.3600
0.9800
1.2000
3NUP
ML
FLAT BULK SOLVENT MODEL
62.0750
0.3190
2.7000
19.6250
0
2098
36
0
2062
0.006
2148
0.948
2909
0.061
326
0.005
367
14.314
790
0.4080
0.3360
3.0900
133
2698
2831
3
100.0000
0.3367
0.2186
3.8880
146
2718
2864
3
100.0000
0.2529
0.1997
19.6259
129
2792
2921
3
100.0000
2.7
20
4EZ5
8618
8618
0
0
0.086
1
9.8
7.46
100
data scaling
Jim W. Pflugrath
Jim.Pflugrath@Rigaku.com
Jun 25 2008
http://www.rigaku.com/software/dtrek.html
d*TREK
package
9.9.3L
data reduction
Jim W. Pflugrath
Jim.Pflugrath@Rigaku.com
http://www.rigaku.com/software/dtrek.html
d*TREK
package
refinement
Paul D. Adams
PDAdams@lbl.gov
C++
http://www.phenix-online.org/
PHENIX
package
1.7.3_928
data extraction
PDB
deposit@deposit.rcsb.org
April 22, 2011
C++
http://sw-tools.pdb.org/apps/PDB_EXTRACT/
PDB_EXTRACT
package
3.11
CDK6 (monomeric) in complex with inhibitor
1
N
N
2
N
N
A
LYS
34
A
LYS
34
HELX_P
A
GLY
36
A
GLY
36
5
1
3
A
LEU
56
A
LEU
56
HELX_P
A
PHE
71
A
PHE
71
1
2
16
A
LEU
105
A
LEU
105
HELX_P
A
LYS
111
A
LYS
111
1
3
7
A
PRO
118
A
PRO
118
HELX_P
A
HIS
139
A
HIS
139
1
4
22
A
ALA
187
A
ALA
187
HELX_P
A
GLN
193
A
GLN
193
1
5
7
A
PRO
199
A
PRO
199
HELX_P
A
ARG
215
A
ARG
215
1
6
17
A
SER
223
A
SER
223
HELX_P
A
GLY
236
A
GLY
236
1
7
14
A
GLY
239
A
GLY
239
HELX_P
A
TRP
243
A
TRP
243
5
8
5
A
PRO
250
A
PRO
250
HELX_P
A
PHE
254
A
PHE
254
5
9
5
A
ASP
270
A
ASP
270
HELX_P
A
LEU
281
A
LEU
281
1
10
12
A
SER
290
A
SER
290
HELX_P
A
LEU
295
A
LEU
295
1
11
6
A
HIS
297
A
HIS
297
HELX_P
A
GLN
301
A
GLN
301
5
12
5
TRANSFERASE/TRANSFERASE INHIBITOR
Protein Kinase, ATP Binding, TRANSFERASE-TRANSFERASE INHIBITOR complex
A
GLU
114
A
GLU
114
1
A
PRO
115
A
PRO
115
-2.19
CDK6_HUMAN
UNP
1
1
Q00534
MEKDGLCRADQQYECVAEIGEGAYGKVFKARDLKNGGRFVALKRVRVQTGEEGMPLSTIREVAVLRHLETFEHPNVVRLF
DVCTVSRTDRETKLTLVFEHVDQDLTTYLDKVPEPGVPTETIKDMMFQLLRGLDFLHSHRVVHRDLKPQNILVTSSGQIK
LADFGLARIYSFQMALTSVVVTLWYRAPEVLLQSSYATPVDLWSVGCIFAEMFRRKPLFRGSSDVDQLGKILDVIGLPGE
EDWPRDVALPRQAFHSKSAQPIEKFVTDIDELGKDLLLKCLTFNPAKRISAYSALSHPYFQ
1
301
4EZ5
1
301
Q00534
A
1
1
301
1
expression tag
HIS
302
4EZ5
A
Q00534
UNP
302
1
expression tag
HIS
303
4EZ5
A
Q00534
UNP
303
1
expression tag
HIS
304
4EZ5
A
Q00534
UNP
304
1
expression tag
HIS
305
4EZ5
A
Q00534
UNP
305
1
expression tag
HIS
306
4EZ5
A
Q00534
UNP
306
1
expression tag
HIS
307
4EZ5
A
Q00534
UNP
307
5
3
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
TYR
13
A
TYR
13
A
GLU
21
A
GLU
21
A
LYS
26
A
LYS
26
A
ASP
32
A
ASP
32
A
PHE
39
A
PHE
39
A
ARG
44
A
ARG
44
A
THR
95
A
THR
95
A
GLU
99
A
GLU
99
A
LEU
79
A
LEU
79
A
CYS
83
A
CYS
83
A
GLN
103
A
GLN
103
A
ASP
104
A
ASP
104
A
ILE
151
A
ILE
151
A
VAL
153
A
VAL
153
A
ILE
159
A
ILE
159
A
LEU
161
A
LEU
161
BINDING SITE FOR RESIDUE 0RS A 900
A
0RS
900
Software
16
A
ILE
19
A
ILE
19
16
1_555
A
VAL
27
A
VAL
27
16
1_555
A
LYS
43
A
LYS
43
16
1_555
A
VAL
77
A
VAL
77
16
1_555
A
PHE
98
A
PHE
98
16
1_555
A
GLU
99
A
GLU
99
16
1_555
A
HIS
100
A
HIS
100
16
1_555
A
VAL
101
A
VAL
101
16
1_555
A
ASP
102
A
ASP
102
16
1_555
A
ASP
104
A
ASP
104
16
1_555
A
THR
107
A
THR
107
16
1_555
A
GLN
149
A
GLN
149
16
1_555
A
ASN
150
A
ASN
150
16
1_555
A
LEU
152
A
LEU
152
16
1_555
A
ALA
162
A
ALA
162
16
1_555
A
ASP
163
A
ASP
163
16
1_555
79
I 4
X, Y, Z
-Y, X, Z
-X, -Y, Z
Y, -X, Z
X+1/2, Y+1/2, Z+1/2
-Y+1/2, X+1/2, Z+1/2
-X+1/2, -Y+1/2, Z+1/2
Y+1/2, -X+1/2, Z+1/2