0.022187
0.000000
0.004580
0.000000
0.015183
0.000000
0.000000
0.000000
0.018745
0.00000
0.00000
0.00000
Foloppe, N.
Fisher, L.M.
Howes, R.
Kierstan, P.
Potter, A.
Robertson, A.G.S.
Surgenor, A.E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
101.66
90.00
45.071
65.863
54.473
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
C21 H20 N4 O2
360.409
(2R)-3-{[(4Z)-5,6-DIPHENYL-6,7-DIHYDRO-4H-PYRROLO[2,3-D]PYRIMIDIN-4-YLIDENE]AMINO}PROPANE-1,2-DIOL
non-polymer
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
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
Y
88
N
C
Y
89
N
C
Y
90
N
C
Y
91
N
C
Y
92
N
C
Y
93
N
C
Y
94
N
C
Y
95
N
C
Y
96
N
C
Y
97
N
C
Y
98
N
C
Y
99
N
C
Y
100
N
N
N
101
N
C
Y
102
N
C
Y
103
N
C
N
104
N
O
N
105
N
N
Y
106
N
C
Y
107
N
N
Y
108
N
N
Y
109
N
C
Y
110
N
C
Y
111
N
C
N
112
R
C
N
113
N
C
N
114
N
O
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
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
N
N
136
S
C
N
137
N
C
N
138
N
O
N
139
N
C
N
140
N
C
N
141
N
C
N
142
N
O
N
143
N
N
N
144
N
O
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
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
N
N
156
S
C
N
157
N
C
N
158
N
O
N
159
N
C
N
160
N
C
N
161
N
C
N
162
N
O
N
163
N
O
N
164
N
O
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
H
N
172
N
H
N
173
N
H
N
174
N
N
N
175
N
C
N
176
N
C
N
177
N
O
N
178
N
O
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
N
N
185
S
C
N
186
N
C
N
187
N
O
N
188
N
C
Y
189
N
C
Y
190
N
N
Y
191
N
C
Y
192
N
C
Y
193
N
N
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
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
O
N
206
N
H
N
207
N
H
N
208
N
N
N
209
S
C
N
210
N
C
N
211
N
O
N
212
S
C
N
213
N
C
N
214
N
C
N
215
N
C
N
216
N
O
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
C
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
H
N
251
N
H
N
252
N
N
N
253
S
C
N
254
N
C
N
255
N
O
N
256
N
C
N
257
N
C
N
258
N
C
N
259
N
C
N
260
N
N
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
N
N
278
S
C
N
279
N
C
N
280
N
O
N
281
N
C
N
282
N
C
N
283
N
S
N
284
N
C
N
285
N
O
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
N
N
298
S
C
N
299
N
C
N
300
N
O
N
301
N
C
Y
302
N
C
Y
303
N
C
Y
304
N
C
Y
305
N
C
Y
306
N
C
Y
307
N
C
N
308
N
O
N
309
N
H
N
310
N
H
N
311
N
H
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
N
N
321
S
C
N
322
N
C
N
323
N
O
N
324
N
C
N
325
N
C
N
326
N
C
N
327
N
O
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
N
N
338
S
C
N
339
N
C
N
340
N
O
N
341
N
C
N
342
N
O
N
343
N
O
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
H
N
351
N
N
N
352
S
C
N
353
N
C
N
354
N
O
N
355
R
C
N
356
N
O
N
357
N
C
N
358
N
O
N
359
N
H
N
360
N
H
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
N
N
369
S
C
N
370
N
C
N
371
N
O
N
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
Y
376
N
N
Y
377
N
C
Y
378
N
C
Y
379
N
C
Y
380
N
C
Y
381
N
C
N
382
N
O
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
H
N
393
N
H
N
394
N
H
N
395
N
N
N
396
S
C
N
397
N
C
N
398
N
O
N
399
N
C
Y
400
N
C
Y
401
N
C
Y
402
N
C
Y
403
N
C
Y
404
N
C
Y
405
N
C
N
406
N
O
N
407
N
O
N
408
N
H
N
409
N
H
N
410
N
H
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
H
N
418
N
H
N
419
N
N
N
420
S
C
N
421
N
C
N
422
N
O
N
423
N
C
N
424
N
C
N
425
N
C
N
426
N
O
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
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
Y
83
N
sing
Y
84
N
doub
N
85
N
sing
Y
86
N
sing
Y
87
N
sing
Y
88
N
doub
Y
89
N
doub
Y
90
N
sing
Y
91
N
sing
N
92
N
sing
Y
93
N
doub
N
94
N
sing
Y
95
N
sing
N
96
N
sing
Y
97
N
doub
N
98
N
sing
N
99
N
sing
Y
100
N
doub
Y
101
N
sing
N
102
N
sing
Y
103
N
sing
N
104
N
sing
Y
105
N
doub
N
106
N
sing
Y
107
N
sing
N
108
N
sing
Y
109
N
doub
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
Y
114
N
sing
Y
115
N
sing
Y
116
N
doub
Y
117
N
sing
N
118
N
sing
N
119
Z
sing
N
120
N
sing
Y
121
N
sing
N
122
N
sing
Y
123
N
doub
N
124
N
sing
Y
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
doub
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
doub
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
doub
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
sing
N
185
N
doub
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
Y
190
N
sing
Y
191
N
doub
Y
192
N
doub
N
193
N
sing
Y
194
N
sing
N
195
N
sing
Y
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
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
doub
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
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
doub
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
doub
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
doub
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
doub
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
Y
298
N
doub
Y
299
N
sing
Y
300
N
sing
N
301
N
sing
Y
302
N
doub
N
303
N
sing
Y
304
N
doub
N
305
N
sing
Y
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
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
doub
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
doub
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
doub
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
doub
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
Y
367
N
doub
Y
368
N
sing
Y
369
N
sing
N
370
N
sing
Y
371
N
doub
Y
372
N
sing
Y
373
N
sing
N
374
N
sing
Y
375
N
sing
Y
376
N
doub
N
377
N
sing
Y
378
N
doub
N
379
N
sing
Y
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
doub
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
Y
395
N
doub
Y
396
N
sing
Y
397
N
sing
N
398
N
sing
Y
399
N
doub
N
400
N
sing
Y
401
N
doub
N
402
N
sing
Y
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
doub
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
sing
N
425
N
sing
US
J.Med.Chem.
JMCMAR
0151
0022-2623
48
4332
10.1021/JM049022C
15974586
Structure-Based Design of Novel Chk1 Inhibitors: Insights Into Hydrogen Bonding and Protein-Ligand Affinity.
2005
10.2210/pdb2bro/pdb
pdb_00002bro
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100.0
1
CCD
SINGLE WAVELENGTH
M
x-ray
1
0.97920
1.0
19-ID
APS
0.97920
SYNCHROTRON
APS BEAMLINE 19-ID
34148.148
SERINE/THREONINE-PROTEIN KINASE CHK1
2.7.1.37
N-TERMINAL KINASE DOMAIN, RESIDUES 1-289
1
man
polymer
360.409
(2R)-3-{[(4Z)-5,6-DIPHENYL-6,7-DIHYDRO-4H-PYRROLO[2,3-D]PYRIMIDIN-4-YLIDENE]AMINO}PROPANE-1,2-DIOL
1
syn
non-polymer
18.015
water
244
nat
water
CHK1 KINASE
no
no
MAVPFVEDWDLVQTLGEGAYGEVQLAVNRVTEEAVAVKIVDMKRAVDCPENIKKEICINKMLNHENVVKFYGHRREGNIQ
YLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQLMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNR
ERLLNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSDSCQEYSDWKEKKTYLNPWKKIDSAPLA
LLHKILVENPSARITIPDIKKDRWYNKPLKKGAKRPRVTSGGVSESPSGHHHHHHHH
MAVPFVEDWDLVQTLGEGAYGEVQLAVNRVTEEAVAVKIVDMKRAVDCPENIKKEICINKMLNHENVVKFYGHRREGNIQ
YLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQLMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNR
ERLLNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSDSCQEYSDWKEKKTYLNPWKKIDSAPLA
LLHKILVENPSARITIPDIKKDRWYNKPLKKGAKRPRVTSGGVSESPSGHHHHHHHH
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
HUMAN
sample
9606
HOMO SAPIENS
SF9
7108
SPODOPTERA FRUGIPERDA
BACULOVIRUS
PFASTBAC1/CHK1 1-289 C8H
1
2.9
56.9
7.50
pH 7.50
chem_comp_atom
chem_comp_bond
database_2
pdbx_database_status
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Other
Refinement description
1
0
2005-05-12
1
1
2011-05-08
1
2
2011-07-13
1
3
2023-12-13
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.status_code_sf
THE 1.7 A CRYSTAL STRUCTURE OF HUMAN CELL CYCLE CHECKPOINTKINASE CHK1
THE COMPLEX STRUCTURE OF CHECKPOINT KINASE CHK1/UCN-01
THE COMPLEX STRUCTURE OF CHECKPOINT KINASECHK1 /STAUROSPORINE
THE COMPLEX STRUCTURE OF CHECKPOINT KINASE CHK1/SB218078
STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY
STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY
STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY
STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY
STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY
STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY
PDBE
Y
PDBE
2005-05-09
REL
REL
1
A
O
HOH
2028
6.44
1
A
O
HOH
2077
6.33
DF2
(2R)-3-{[(4Z)-5,6-DIPHENYL-6,7-DIHYDRO-4H-PYRROLO[2,3-D]PYRIMIDIN-4-YLIDENE]AMINO}PROPANE-1,2-DIOL
HOH
water
1IA8
PDB ENTRY 1IA8
PDB
experimental model
DF2
1277
2
DF2
DF2
1277
A
HOH
2001
3
HOH
HOH
2001
A
HOH
2002
3
HOH
HOH
2002
A
HOH
2003
3
HOH
HOH
2003
A
HOH
2004
3
HOH
HOH
2004
A
HOH
2005
3
HOH
HOH
2005
A
HOH
2006
3
HOH
HOH
2006
A
HOH
2007
3
HOH
HOH
2007
A
HOH
2008
3
HOH
HOH
2008
A
HOH
2009
3
HOH
HOH
2009
A
HOH
2010
3
HOH
HOH
2010
A
HOH
2011
3
HOH
HOH
2011
A
HOH
2012
3
HOH
HOH
2012
A
HOH
2013
3
HOH
HOH
2013
A
HOH
2014
3
HOH
HOH
2014
A
HOH
2015
3
HOH
HOH
2015
A
HOH
2016
3
HOH
HOH
2016
A
HOH
2017
3
HOH
HOH
2017
A
HOH
2018
3
HOH
HOH
2018
A
HOH
2019
3
HOH
HOH
2019
A
HOH
2020
3
HOH
HOH
2020
A
HOH
2021
3
HOH
HOH
2021
A
HOH
2022
3
HOH
HOH
2022
A
HOH
2023
3
HOH
HOH
2023
A
HOH
2024
3
HOH
HOH
2024
A
HOH
2025
3
HOH
HOH
2025
A
HOH
2026
3
HOH
HOH
2026
A
HOH
2027
3
HOH
HOH
2027
A
HOH
2028
3
HOH
HOH
2028
A
HOH
2029
3
HOH
HOH
2029
A
HOH
2030
3
HOH
HOH
2030
A
HOH
2031
3
HOH
HOH
2031
A
HOH
2032
3
HOH
HOH
2032
A
HOH
2033
3
HOH
HOH
2033
A
HOH
2034
3
HOH
HOH
2034
A
HOH
2035
3
HOH
HOH
2035
A
HOH
2036
3
HOH
HOH
2036
A
HOH
2037
3
HOH
HOH
2037
A
HOH
2038
3
HOH
HOH
2038
A
HOH
2039
3
HOH
HOH
2039
A
HOH
2040
3
HOH
HOH
2040
A
HOH
2041
3
HOH
HOH
2041
A
HOH
2042
3
HOH
HOH
2042
A
HOH
2043
3
HOH
HOH
2043
A
HOH
2044
3
HOH
HOH
2044
A
HOH
2045
3
HOH
HOH
2045
A
HOH
2046
3
HOH
HOH
2046
A
HOH
2047
3
HOH
HOH
2047
A
HOH
2048
3
HOH
HOH
2048
A
HOH
2049
3
HOH
HOH
2049
A
HOH
2050
3
HOH
HOH
2050
A
HOH
2051
3
HOH
HOH
2051
A
HOH
2052
3
HOH
HOH
2052
A
HOH
2053
3
HOH
HOH
2053
A
HOH
2054
3
HOH
HOH
2054
A
HOH
2055
3
HOH
HOH
2055
A
HOH
2056
3
HOH
HOH
2056
A
HOH
2057
3
HOH
HOH
2057
A
HOH
2058
3
HOH
HOH
2058
A
HOH
2059
3
HOH
HOH
2059
A
HOH
2060
3
HOH
HOH
2060
A
HOH
2061
3
HOH
HOH
2061
A
HOH
2062
3
HOH
HOH
2062
A
HOH
2063
3
HOH
HOH
2063
A
HOH
2064
3
HOH
HOH
2064
A
HOH
2065
3
HOH
HOH
2065
A
HOH
2066
3
HOH
HOH
2066
A
HOH
2067
3
HOH
HOH
2067
A
HOH
2068
3
HOH
HOH
2068
A
HOH
2069
3
HOH
HOH
2069
A
HOH
2070
3
HOH
HOH
2070
A
HOH
2071
3
HOH
HOH
2071
A
HOH
2072
3
HOH
HOH
2072
A
HOH
2073
3
HOH
HOH
2073
A
HOH
2074
3
HOH
HOH
2074
A
HOH
2075
3
HOH
HOH
2075
A
HOH
2076
3
HOH
HOH
2076
A
HOH
2077
3
HOH
HOH
2077
A
HOH
2078
3
HOH
HOH
2078
A
HOH
2079
3
HOH
HOH
2079
A
HOH
2080
3
HOH
HOH
2080
A
HOH
2081
3
HOH
HOH
2081
A
HOH
2082
3
HOH
HOH
2082
A
HOH
2083
3
HOH
HOH
2083
A
HOH
2084
3
HOH
HOH
2084
A
HOH
2085
3
HOH
HOH
2085
A
HOH
2086
3
HOH
HOH
2086
A
HOH
2087
3
HOH
HOH
2087
A
HOH
2088
3
HOH
HOH
2088
A
HOH
2089
3
HOH
HOH
2089
A
HOH
2090
3
HOH
HOH
2090
A
HOH
2091
3
HOH
HOH
2091
A
HOH
2092
3
HOH
HOH
2092
A
HOH
2093
3
HOH
HOH
2093
A
HOH
2094
3
HOH
HOH
2094
A
HOH
2095
3
HOH
HOH
2095
A
HOH
2096
3
HOH
HOH
2096
A
HOH
2097
3
HOH
HOH
2097
A
HOH
2098
3
HOH
HOH
2098
A
HOH
2099
3
HOH
HOH
2099
A
HOH
2100
3
HOH
HOH
2100
A
HOH
2101
3
HOH
HOH
2101
A
HOH
2102
3
HOH
HOH
2102
A
HOH
2103
3
HOH
HOH
2103
A
HOH
2104
3
HOH
HOH
2104
A
HOH
2105
3
HOH
HOH
2105
A
HOH
2106
3
HOH
HOH
2106
A
HOH
2107
3
HOH
HOH
2107
A
HOH
2108
3
HOH
HOH
2108
A
HOH
2109
3
HOH
HOH
2109
A
HOH
2110
3
HOH
HOH
2110
A
HOH
2111
3
HOH
HOH
2111
A
HOH
2112
3
HOH
HOH
2112
A
HOH
2113
3
HOH
HOH
2113
A
HOH
2114
3
HOH
HOH
2114
A
HOH
2115
3
HOH
HOH
2115
A
HOH
2116
3
HOH
HOH
2116
A
HOH
2117
3
HOH
HOH
2117
A
HOH
2118
3
HOH
HOH
2118
A
HOH
2119
3
HOH
HOH
2119
A
HOH
2120
3
HOH
HOH
2120
A
HOH
2121
3
HOH
HOH
2121
A
HOH
2122
3
HOH
HOH
2122
A
HOH
2123
3
HOH
HOH
2123
A
HOH
2124
3
HOH
HOH
2124
A
HOH
2125
3
HOH
HOH
2125
A
HOH
2126
3
HOH
HOH
2126
A
HOH
2127
3
HOH
HOH
2127
A
HOH
2128
3
HOH
HOH
2128
A
HOH
2129
3
HOH
HOH
2129
A
HOH
2130
3
HOH
HOH
2130
A
HOH
2131
3
HOH
HOH
2131
A
HOH
2132
3
HOH
HOH
2132
A
HOH
2133
3
HOH
HOH
2133
A
HOH
2134
3
HOH
HOH
2134
A
HOH
2135
3
HOH
HOH
2135
A
HOH
2136
3
HOH
HOH
2136
A
HOH
2137
3
HOH
HOH
2137
A
HOH
2138
3
HOH
HOH
2138
A
HOH
2139
3
HOH
HOH
2139
A
HOH
2140
3
HOH
HOH
2140
A
HOH
2141
3
HOH
HOH
2141
A
HOH
2142
3
HOH
HOH
2142
A
HOH
2143
3
HOH
HOH
2143
A
HOH
2144
3
HOH
HOH
2144
A
HOH
2145
3
HOH
HOH
2145
A
HOH
2146
3
HOH
HOH
2146
A
HOH
2147
3
HOH
HOH
2147
A
HOH
2148
3
HOH
HOH
2148
A
HOH
2149
3
HOH
HOH
2149
A
HOH
2150
3
HOH
HOH
2150
A
HOH
2151
3
HOH
HOH
2151
A
HOH
2152
3
HOH
HOH
2152
A
HOH
2153
3
HOH
HOH
2153
A
HOH
2154
3
HOH
HOH
2154
A
HOH
2155
3
HOH
HOH
2155
A
HOH
2156
3
HOH
HOH
2156
A
HOH
2157
3
HOH
HOH
2157
A
HOH
2158
3
HOH
HOH
2158
A
HOH
2159
3
HOH
HOH
2159
A
HOH
2160
3
HOH
HOH
2160
A
HOH
2161
3
HOH
HOH
2161
A
HOH
2162
3
HOH
HOH
2162
A
HOH
2163
3
HOH
HOH
2163
A
HOH
2164
3
HOH
HOH
2164
A
HOH
2165
3
HOH
HOH
2165
A
HOH
2166
3
HOH
HOH
2166
A
HOH
2167
3
HOH
HOH
2167
A
HOH
2168
3
HOH
HOH
2168
A
HOH
2169
3
HOH
HOH
2169
A
HOH
2170
3
HOH
HOH
2170
A
HOH
2171
3
HOH
HOH
2171
A
HOH
2172
3
HOH
HOH
2172
A
HOH
2173
3
HOH
HOH
2173
A
HOH
2174
3
HOH
HOH
2174
A
HOH
2175
3
HOH
HOH
2175
A
HOH
2176
3
HOH
HOH
2176
A
HOH
2177
3
HOH
HOH
2177
A
HOH
2178
3
HOH
HOH
2178
A
HOH
2179
3
HOH
HOH
2179
A
HOH
2180
3
HOH
HOH
2180
A
HOH
2181
3
HOH
HOH
2181
A
HOH
2182
3
HOH
HOH
2182
A
HOH
2183
3
HOH
HOH
2183
A
HOH
2184
3
HOH
HOH
2184
A
HOH
2185
3
HOH
HOH
2185
A
HOH
2186
3
HOH
HOH
2186
A
HOH
2187
3
HOH
HOH
2187
A
HOH
2188
3
HOH
HOH
2188
A
HOH
2189
3
HOH
HOH
2189
A
HOH
2190
3
HOH
HOH
2190
A
HOH
2191
3
HOH
HOH
2191
A
HOH
2192
3
HOH
HOH
2192
A
HOH
2193
3
HOH
HOH
2193
A
HOH
2194
3
HOH
HOH
2194
A
HOH
2195
3
HOH
HOH
2195
A
HOH
2196
3
HOH
HOH
2196
A
HOH
2197
3
HOH
HOH
2197
A
HOH
2198
3
HOH
HOH
2198
A
HOH
2199
3
HOH
HOH
2199
A
HOH
2200
3
HOH
HOH
2200
A
HOH
2201
3
HOH
HOH
2201
A
HOH
2202
3
HOH
HOH
2202
A
HOH
2203
3
HOH
HOH
2203
A
HOH
2204
3
HOH
HOH
2204
A
HOH
2205
3
HOH
HOH
2205
A
HOH
2206
3
HOH
HOH
2206
A
HOH
2207
3
HOH
HOH
2207
A
HOH
2208
3
HOH
HOH
2208
A
HOH
2209
3
HOH
HOH
2209
A
HOH
2210
3
HOH
HOH
2210
A
HOH
2211
3
HOH
HOH
2211
A
HOH
2212
3
HOH
HOH
2212
A
HOH
2213
3
HOH
HOH
2213
A
HOH
2214
3
HOH
HOH
2214
A
HOH
2215
3
HOH
HOH
2215
A
HOH
2216
3
HOH
HOH
2216
A
HOH
2217
3
HOH
HOH
2217
A
HOH
2218
3
HOH
HOH
2218
A
HOH
2219
3
HOH
HOH
2219
A
HOH
2220
3
HOH
HOH
2220
A
HOH
2221
3
HOH
HOH
2221
A
HOH
2222
3
HOH
HOH
2222
A
HOH
2223
3
HOH
HOH
2223
A
HOH
2224
3
HOH
HOH
2224
A
HOH
2225
3
HOH
HOH
2225
A
HOH
2226
3
HOH
HOH
2226
A
HOH
2227
3
HOH
HOH
2227
A
HOH
2228
3
HOH
HOH
2228
A
HOH
2229
3
HOH
HOH
2229
A
HOH
2230
3
HOH
HOH
2230
A
HOH
2231
3
HOH
HOH
2231
A
HOH
2232
3
HOH
HOH
2232
A
HOH
2233
3
HOH
HOH
2233
A
HOH
2234
3
HOH
HOH
2234
A
HOH
2235
3
HOH
HOH
2235
A
HOH
2236
3
HOH
HOH
2236
A
HOH
2237
3
HOH
HOH
2237
A
HOH
2238
3
HOH
HOH
2238
A
HOH
2239
3
HOH
HOH
2239
A
HOH
2240
3
HOH
HOH
2240
A
HOH
2241
3
HOH
HOH
2241
A
HOH
2242
3
HOH
HOH
2242
A
HOH
2243
3
HOH
HOH
2243
A
HOH
2244
3
HOH
HOH
2244
A
n
1
1
A
ALA
2
n
2
ALA
2
A
VAL
3
n
3
VAL
3
A
PRO
4
n
4
PRO
4
A
PHE
5
n
5
PHE
5
A
VAL
6
n
6
VAL
6
A
GLU
7
n
7
GLU
7
A
ASP
8
n
8
ASP
8
A
TRP
9
n
9
TRP
9
A
ASP
10
n
10
ASP
10
A
LEU
11
n
11
LEU
11
A
VAL
12
n
12
VAL
12
A
GLN
13
n
13
GLN
13
A
THR
14
n
14
THR
14
A
LEU
15
n
15
LEU
15
A
GLY
16
n
16
GLY
16
A
GLU
17
n
17
GLU
17
A
GLY
18
n
18
GLY
18
A
ALA
19
n
19
ALA
19
A
TYR
20
n
20
TYR
20
A
GLY
21
n
21
GLY
21
A
GLU
22
n
22
GLU
22
A
VAL
23
n
23
VAL
23
A
GLN
24
n
24
GLN
24
A
LEU
25
n
25
LEU
25
A
ALA
26
n
26
ALA
26
A
VAL
27
n
27
VAL
27
A
ASN
28
n
28
ASN
28
A
ARG
29
n
29
ARG
29
A
VAL
30
n
30
VAL
30
A
THR
31
n
31
THR
31
A
GLU
32
n
32
GLU
32
A
GLU
33
n
33
GLU
33
A
ALA
34
n
34
ALA
34
A
VAL
35
n
35
VAL
35
A
ALA
36
n
36
ALA
36
A
VAL
37
n
37
VAL
37
A
LYS
38
n
38
LYS
38
A
ILE
39
n
39
ILE
39
A
VAL
40
n
40
VAL
40
A
ASP
41
n
41
ASP
41
A
MET
42
n
42
MET
42
A
LYS
43
n
43
LYS
43
A
ARG
44
n
44
ARG
44
A
n
45
45
A
n
46
46
A
n
47
47
A
CYS
48
n
48
CYS
48
A
PRO
49
n
49
PRO
49
A
GLU
50
n
50
GLU
50
A
ASN
51
n
51
ASN
51
A
ILE
52
n
52
ILE
52
A
LYS
53
n
53
LYS
53
A
LYS
54
n
54
LYS
54
A
GLU
55
n
55
GLU
55
A
ILE
56
n
56
ILE
56
A
CYS
57
n
57
CYS
57
A
ILE
58
n
58
ILE
58
A
ASN
59
n
59
ASN
59
A
LYS
60
n
60
LYS
60
A
MET
61
n
61
MET
61
A
LEU
62
n
62
LEU
62
A
ASN
63
n
63
ASN
63
A
HIS
64
n
64
HIS
64
A
GLU
65
n
65
GLU
65
A
ASN
66
n
66
ASN
66
A
VAL
67
n
67
VAL
67
A
VAL
68
n
68
VAL
68
A
LYS
69
n
69
LYS
69
A
PHE
70
n
70
PHE
70
A
TYR
71
n
71
TYR
71
A
GLY
72
n
72
GLY
72
A
HIS
73
n
73
HIS
73
A
ARG
74
n
74
ARG
74
A
ARG
75
n
75
ARG
75
A
GLU
76
n
76
GLU
76
A
GLY
77
n
77
GLY
77
A
ASN
78
n
78
ASN
78
A
ILE
79
n
79
ILE
79
A
GLN
80
n
80
GLN
80
A
TYR
81
n
81
TYR
81
A
LEU
82
n
82
LEU
82
A
PHE
83
n
83
PHE
83
A
LEU
84
n
84
LEU
84
A
GLU
85
n
85
GLU
85
A
TYR
86
n
86
TYR
86
A
CYS
87
n
87
CYS
87
A
SER
88
n
88
SER
88
A
GLY
89
n
89
GLY
89
A
GLY
90
n
90
GLY
90
A
GLU
91
n
91
GLU
91
A
LEU
92
n
92
LEU
92
A
PHE
93
n
93
PHE
93
A
ASP
94
n
94
ASP
94
A
ARG
95
n
95
ARG
95
A
ILE
96
n
96
ILE
96
A
GLU
97
n
97
GLU
97
A
PRO
98
n
98
PRO
98
A
ASP
99
n
99
ASP
99
A
ILE
100
n
100
ILE
100
A
GLY
101
n
101
GLY
101
A
MET
102
n
102
MET
102
A
PRO
103
n
103
PRO
103
A
GLU
104
n
104
GLU
104
A
PRO
105
n
105
PRO
105
A
ASP
106
n
106
ASP
106
A
ALA
107
n
107
ALA
107
A
GLN
108
n
108
GLN
108
A
ARG
109
n
109
ARG
109
A
PHE
110
n
110
PHE
110
A
PHE
111
n
111
PHE
111
A
HIS
112
n
112
HIS
112
A
GLN
113
n
113
GLN
113
A
LEU
114
n
114
LEU
114
A
MET
115
n
115
MET
115
A
ALA
116
n
116
ALA
116
A
GLY
117
n
117
GLY
117
A
VAL
118
n
118
VAL
118
A
VAL
119
n
119
VAL
119
A
TYR
120
n
120
TYR
120
A
LEU
121
n
121
LEU
121
A
HIS
122
n
122
HIS
122
A
GLY
123
n
123
GLY
123
A
ILE
124
n
124
ILE
124
A
GLY
125
n
125
GLY
125
A
ILE
126
n
126
ILE
126
A
THR
127
n
127
THR
127
A
HIS
128
n
128
HIS
128
A
ARG
129
n
129
ARG
129
A
ASP
130
n
130
ASP
130
A
ILE
131
n
131
ILE
131
A
LYS
132
n
132
LYS
132
A
PRO
133
n
133
PRO
133
A
GLU
134
n
134
GLU
134
A
ASN
135
n
135
ASN
135
A
LEU
136
n
136
LEU
136
A
LEU
137
n
137
LEU
137
A
LEU
138
n
138
LEU
138
A
ASP
139
n
139
ASP
139
A
GLU
140
n
140
GLU
140
A
ARG
141
n
141
ARG
141
A
ASP
142
n
142
ASP
142
A
ASN
143
n
143
ASN
143
A
LEU
144
n
144
LEU
144
A
LYS
145
n
145
LYS
145
A
ILE
146
n
146
ILE
146
A
SER
147
n
147
SER
147
A
ASP
148
n
148
ASP
148
A
PHE
149
n
149
PHE
149
A
GLY
150
n
150
GLY
150
A
LEU
151
n
151
LEU
151
A
ALA
152
n
152
ALA
152
A
THR
153
n
153
THR
153
A
VAL
154
n
154
VAL
154
A
PHE
155
n
155
PHE
155
A
ARG
156
n
156
ARG
156
A
TYR
157
n
157
TYR
157
A
ASN
158
n
158
ASN
158
A
ASN
159
n
159
ASN
159
A
ARG
160
n
160
ARG
160
A
GLU
161
n
161
GLU
161
A
ARG
162
n
162
ARG
162
A
LEU
163
n
163
LEU
163
A
LEU
164
n
164
LEU
164
A
ASN
165
n
165
ASN
165
A
LYS
166
n
166
LYS
166
A
MET
167
n
167
MET
167
A
CYS
168
n
168
CYS
168
A
GLY
169
n
169
GLY
169
A
THR
170
n
170
THR
170
A
LEU
171
n
171
LEU
171
A
PRO
172
n
172
PRO
172
A
TYR
173
n
173
TYR
173
A
VAL
174
n
174
VAL
174
A
ALA
175
n
175
ALA
175
A
PRO
176
n
176
PRO
176
A
GLU
177
n
177
GLU
177
A
LEU
178
n
178
LEU
178
A
LEU
179
n
179
LEU
179
A
LYS
180
n
180
LYS
180
A
ARG
181
n
181
ARG
181
A
ARG
182
n
182
ARG
182
A
GLU
183
n
183
GLU
183
A
PHE
184
n
184
PHE
184
A
HIS
185
n
185
HIS
185
A
ALA
186
n
186
ALA
186
A
GLU
187
n
187
GLU
187
A
PRO
188
n
188
PRO
188
A
VAL
189
n
189
VAL
189
A
ASP
190
n
190
ASP
190
A
VAL
191
n
191
VAL
191
A
TRP
192
n
192
TRP
192
A
SER
193
n
193
SER
193
A
CYS
194
n
194
CYS
194
A
GLY
195
n
195
GLY
195
A
ILE
196
n
196
ILE
196
A
VAL
197
n
197
VAL
197
A
LEU
198
n
198
LEU
198
A
THR
199
n
199
THR
199
A
ALA
200
n
200
ALA
200
A
MET
201
n
201
MET
201
A
LEU
202
n
202
LEU
202
A
ALA
203
n
203
ALA
203
A
GLY
204
n
204
GLY
204
A
GLU
205
n
205
GLU
205
A
LEU
206
n
206
LEU
206
A
PRO
207
n
207
PRO
207
A
TRP
208
n
208
TRP
208
A
ASP
209
n
209
ASP
209
A
GLN
210
n
210
GLN
210
A
PRO
211
n
211
PRO
211
A
SER
212
n
212
SER
212
A
ASP
213
n
213
ASP
213
A
SER
214
n
214
SER
214
A
CYS
215
n
215
CYS
215
A
GLN
216
n
216
GLN
216
A
GLU
217
n
217
GLU
217
A
TYR
218
n
218
TYR
218
A
SER
219
n
219
SER
219
A
ASP
220
n
220
ASP
220
A
TRP
221
n
221
TRP
221
A
LYS
222
n
222
LYS
222
A
GLU
223
n
223
GLU
223
A
LYS
224
n
224
LYS
224
A
LYS
225
n
225
LYS
225
A
THR
226
n
226
THR
226
A
TYR
227
n
227
TYR
227
A
LEU
228
n
228
LEU
228
A
ASN
229
n
229
ASN
229
A
PRO
230
n
230
PRO
230
A
TRP
231
n
231
TRP
231
A
LYS
232
n
232
LYS
232
A
LYS
233
n
233
LYS
233
A
ILE
234
n
234
ILE
234
A
ASP
235
n
235
ASP
235
A
SER
236
n
236
SER
236
A
ALA
237
n
237
ALA
237
A
PRO
238
n
238
PRO
238
A
LEU
239
n
239
LEU
239
A
ALA
240
n
240
ALA
240
A
LEU
241
n
241
LEU
241
A
LEU
242
n
242
LEU
242
A
HIS
243
n
243
HIS
243
A
LYS
244
n
244
LYS
244
A
ILE
245
n
245
ILE
245
A
LEU
246
n
246
LEU
246
A
VAL
247
n
247
VAL
247
A
GLU
248
n
248
GLU
248
A
ASN
249
n
249
ASN
249
A
PRO
250
n
250
PRO
250
A
SER
251
n
251
SER
251
A
ALA
252
n
252
ALA
252
A
ARG
253
n
253
ARG
253
A
ILE
254
n
254
ILE
254
A
THR
255
n
255
THR
255
A
ILE
256
n
256
ILE
256
A
PRO
257
n
257
PRO
257
A
ASP
258
n
258
ASP
258
A
ILE
259
n
259
ILE
259
A
LYS
260
n
260
LYS
260
A
LYS
261
n
261
LYS
261
A
ASP
262
n
262
ASP
262
A
ARG
263
n
263
ARG
263
A
TRP
264
n
264
TRP
264
A
TYR
265
n
265
TYR
265
A
ASN
266
n
266
ASN
266
A
LYS
267
n
267
LYS
267
A
PRO
268
n
268
PRO
268
A
LEU
269
n
269
LEU
269
A
LYS
270
n
270
LYS
270
A
LYS
271
n
271
LYS
271
A
GLY
272
n
272
GLY
272
A
ALA
273
n
273
ALA
273
A
LYS
274
n
274
LYS
274
A
ARG
275
n
275
ARG
275
A
PRO
276
n
276
PRO
276
A
n
277
277
A
n
278
278
A
n
279
279
A
n
280
280
A
n
281
281
A
n
282
282
A
n
283
283
A
n
284
284
A
n
285
285
A
n
286
286
A
n
287
287
A
n
288
288
A
n
289
289
A
n
290
290
A
n
291
291
A
n
292
292
A
n
293
293
A
n
294
294
A
n
295
295
A
n
296
296
A
n
297
297
A
author_and_software_defined_assembly
PQS
1
monomeric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
N
LEU
15
A
N
LEU
15
A
O
VAL
23
A
O
VAL
23
A
N
ALA
26
A
N
ALA
26
A
O
VAL
35
A
O
VAL
35
A
N
VAL
40
A
N
VAL
40
A
O
GLN
80
A
O
GLN
80
A
O
PHE
83
A
O
PHE
83
A
N
TYR
71
A
N
TYR
71
A
O
GLY
90
A
O
GLY
90
A
N
LEU
138
A
N
LEU
138
A
N
LEU
137
A
N
LEU
137
A
O
LYS
145
A
O
LYS
145
A
N
THR
127
A
N
THR
127
A
O
THR
153
A
O
THR
153
A
N
TYR
157
A
N
TYR
157
A
O
ARG
160
A
O
ARG
160
1
A
CG
LYS
43
A
CG
LYS
43
1
Y
1
A
CD
LYS
43
A
CD
LYS
43
1
Y
1
A
CE
LYS
43
A
CE
LYS
43
1
Y
1
A
NZ
LYS
43
A
NZ
LYS
43
1
Y
1
A
CG
ARG
44
A
CG
ARG
44
1
Y
1
A
CD
ARG
44
A
CD
ARG
44
1
Y
1
A
NE
ARG
44
A
NE
ARG
44
1
Y
1
A
CZ
ARG
44
A
CZ
ARG
44
1
Y
1
A
NH1
ARG
44
A
NH1
ARG
44
1
Y
1
A
NH2
ARG
44
A
NH2
ARG
44
1
Y
1
A
CG
ASN
51
A
CG
ASN
51
1
Y
1
A
OD1
ASN
51
A
OD1
ASN
51
1
Y
1
A
ND2
ASN
51
A
ND2
ASN
51
1
Y
1
A
CG
LYS
274
A
CG
LYS
274
1
Y
1
A
CD
LYS
274
A
CD
LYS
274
1
Y
1
A
CE
LYS
274
A
CE
LYS
274
1
Y
1
A
NZ
LYS
274
A
NZ
LYS
274
1
Y
1
A
CG
ARG
275
A
CG
ARG
275
1
Y
1
A
CD
ARG
275
A
CD
ARG
275
1
Y
1
A
NE
ARG
275
A
NE
ARG
275
1
Y
1
A
CZ
ARG
275
A
CZ
ARG
275
1
Y
1
A
NH1
ARG
275
A
NH1
ARG
275
1
Y
1
A
NH2
ARG
275
A
NH2
ARG
275
1
Y
1
A
CG
PRO
276
A
CG
PRO
276
1
Y
1
A
CD
PRO
276
A
CD
PRO
276
1
Y
1
A
MET
1
A
MET
1
1
Y
1
A
ALA
45
A
ALA
45
1
Y
1
A
VAL
46
A
VAL
46
1
Y
1
A
ASP
47
A
ASP
47
1
Y
1
A
ARG
277
A
ARG
277
1
Y
1
A
VAL
278
A
VAL
278
1
Y
1
A
THR
279
A
THR
279
1
Y
1
A
SER
280
A
SER
280
1
Y
1
A
GLY
281
A
GLY
281
1
Y
1
A
GLY
282
A
GLY
282
1
Y
1
A
VAL
283
A
VAL
283
1
Y
1
A
SER
284
A
SER
284
1
Y
1
A
GLU
285
A
GLU
285
1
Y
1
A
SER
286
A
SER
286
1
Y
1
A
PRO
287
A
PRO
287
1
Y
1
A
SER
288
A
SER
288
1
Y
1
A
GLY
289
A
GLY
289
1
Y
1
A
HIS
290
A
HIS
290
1
Y
1
A
HIS
291
A
HIS
291
1
Y
1
A
HIS
292
A
HIS
292
1
Y
1
A
HIS
293
A
HIS
293
1
Y
1
A
HIS
294
A
HIS
294
1
Y
1
A
HIS
295
A
HIS
295
1
Y
1
A
HIS
296
A
HIS
296
1
Y
1
A
HIS
297
A
HIS
297
1
Y
1
A
A
O
O
HOH
HOH
2021
2048
2.12
1
A
A
O
O
ILE
HOH
100
2098
2.19
1
5.42
0.90
118.30
123.72
A
A
A
CB
CG
OD2
ASP
ASP
ASP
10
10
10
N
1
5.90
0.90
118.30
124.20
A
A
A
CB
CG
OD2
ASP
ASP
ASP
106
106
106
N
1
-3.35
0.50
120.30
116.95
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
109
109
109
N
1
7.31
0.90
118.30
125.61
A
A
A
CB
CG
OD2
ASP
ASP
ASP
130
130
130
N
1
14.81
2.30
115.30
130.11
A
A
A
CA
CB
CG
LEU
LEU
LEU
178
178
178
N
1
A
A
O
O
HOH
HOH
2122
2229
1.95
1_555
2_545
1
A
A
O
O
HOH
HOH
2011
2165
2.05
1_555
1_556
1
A
A
O
O
HOH
HOH
2003
2193
2.16
1_555
1_656
1
A
PRO
4
-56.78
-158.40
1
A
PHE
5
-69.22
45.24
1
A
ALA
19
73.71
-62.59
1
A
PRO
49
-66.97
20.14
1
A
ASN
63
-156.26
82.29
1
A
GLU
76
37.95
64.31
1
A
GLU
85
-36.19
120.97
1
A
ASP
99
73.41
-13.16
1
A
ASP
130
-155.16
49.24
1
A
ASP
148
78.19
90.51
1
A
ASP
235
112.24
133.36
1
A
LEU
246
-90.96
59.15
1
A
LEU
269
-138.69
-38.81
1
A
ALA
273
-34.05
138.49
37.80
-1.10000
0.00000
-0.48000
-1.03000
0.00000
1.94000
0.946
0.892
HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
0.279
0.198
0.202
2.20
30.00
796
14833
5.100
97.9
6.451
0.169
RANDOM
1
THROUGHOUT
MOLECULAR REPLACEMENT
0.312
0.256
0.80
0.80
1.40
PDB ENTRY 1IA8
MAXIMUM LIKELIHOOD
BABINET MODEL WITH MASK
2.20
30.00
244
2455
27
0
2184
0.015
0.021
2266
0.002
0.020
2032
1.593
1.973
3071
0.911
3.000
4737
6.187
5.000
270
0.099
0.200
329
0.006
0.020
2487
0.003
0.020
440
0.205
0.200
518
0.229
0.200
2485
0.088
0.200
1382
0.194
0.200
148
0.230
0.200
27
0.269
0.200
93
0.347
0.200
25
0.977
1.500
1358
1.784
2.000
2192
2.400
3.000
908
3.946
4.500
879
0.2340
0.2060
2.26
50
1096
20
2.200
30.000
2BRO
16331
2.000
0.08000
1
7.6000
4.300
96.3
0.39000
2.20
2.29
2.700
1
1.30
89.4
refinement
REFMAC
5.1.24
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand Affinity
1
N
N
2
N
N
3
N
N
A
PRO
49
A
PRO
49
HELX_P
A
LEU
62
A
LEU
62
1
1
14
A
PHE
93
A
PHE
93
HELX_P
A
ILE
96
A
ILE
96
5
2
4
A
PRO
103
A
PRO
103
HELX_P
A
ILE
124
A
ILE
124
1
3
22
A
LYS
132
A
LYS
132
HELX_P
A
GLU
134
A
GLU
134
5
4
3
A
THR
170
A
THR
170
HELX_P
A
VAL
174
A
VAL
174
5
5
5
A
ALA
175
A
ALA
175
HELX_P
A
ARG
181
A
ARG
181
1
6
7
A
ALA
186
A
ALA
186
HELX_P
A
GLY
204
A
GLY
204
1
7
19
A
CYS
215
A
CYS
215
HELX_P
A
GLU
223
A
GLU
223
1
8
9
A
PRO
230
A
PRO
230
HELX_P
A
ILE
234
A
ILE
234
5
9
5
A
ASP
235
A
ASP
235
HELX_P
A
LEU
246
A
LEU
246
1
10
12
A
THR
255
A
THR
255
HELX_P
A
LYS
260
A
LYS
260
1
11
6
TRANSFERASE
DRUG DESIGN, FURANOPYRIMIDINE, MOLECULAR RECOGNITION, ONCOLOGY, PYRROLOPYRIMIDINE, ATP-BINDING, CELL CYCLE, DNA DAMAGE, KINASE, NUCLEAR PROTEIN, PHOSPHORYLATION, POLYMORPHISM, SERINE/THREONINE-PROTEIN KINASE, TRANSFERASE
A
GLU
17
A
GLU
17
1
A
GLY
18
A
GLY
18
1.19
A
ASN
229
A
ASN
229
1
A
PRO
230
A
PRO
230
0.83
CHK1_HUMAN
UNP
1
O14757
2BRO
PDB
1
2BRO
1
289
2BRO
1
289
O14757
A
1
1
289
290
297
2BRO
290
297
2BRO
A
2
290
297
5
3
2
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
TRP
9
A
TRP
9
A
GLY
16
A
GLY
16
A
GLY
21
A
GLY
21
A
ASN
28
A
ASN
28
A
ALA
34
A
ALA
34
A
ASP
41
A
ASP
41
A
ILE
79
A
ILE
79
A
LEU
84
A
LEU
84
A
PHE
70
A
PHE
70
A
ARG
74
A
ARG
74
A
GLY
90
A
GLY
90
A
GLU
91
A
GLU
91
A
LEU
136
A
LEU
136
A
LEU
138
A
LEU
138
A
LEU
144
A
LEU
144
A
ILE
146
A
ILE
146
A
ILE
126
A
ILE
126
A
THR
127
A
THR
127
A
THR
153
A
THR
153
A
VAL
154
A
VAL
154
A
ARG
156
A
ARG
156
A
TYR
157
A
TYR
157
A
ARG
160
A
ARG
160
A
GLU
161
A
GLU
161
BINDING SITE FOR RESIDUE DF2 A1277
Software
11
A
LEU
15
A
LEU
15
11
1_555
A
GLY
16
A
GLY
16
11
1_555
A
GLU
17
A
GLU
17
11
1_555
A
VAL
23
A
VAL
23
11
1_555
A
ALA
36
A
ALA
36
11
1_555
A
LEU
84
A
LEU
84
11
1_555
A
GLU
85
A
GLU
85
11
1_555
A
CYS
87
A
CYS
87
11
1_555
A
GLY
90
A
GLY
90
11
1_555
A
LEU
137
A
LEU
137
11
1_555
A
HOH
2244
C
HOH
11
1_555
4
P 1 21 1