0.018159
0.000000
0.000000
0.000000
0.006615
0.000000
0.000000
0.000000
0.024907
0.00000
0.00000
0.00000
Marmorstein, R.
Venkataramani, R.N.
MacLachlan, T.K.
Chai, X.
El-Deiry, W.S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
55.070
151.174
40.149
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
R
C
N
309
N
O
N
310
N
C
N
311
N
O
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
N
C
Y
326
N
C
Y
327
N
C
Y
328
N
C
Y
329
N
N
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
N
335
N
O
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
Y
358
N
C
N
359
N
O
N
360
N
O
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
N
N
373
S
C
N
374
N
C
N
375
N
O
N
376
N
C
N
377
N
C
N
378
N
C
N
379
N
O
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
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
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
48827
48833
10.1074/jbc.M208061200
12370184
Structure-based design of p18INK4c proteins with increased thermodynamic stability and cell cycle inhibitory activity
2002
10.2210/pdb1mx4/pdb
pdb_00001mx4
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
110
1
IMAGE PLATE
RIGAKU RAXIS IV
GRAPHITE
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU300
18130.311
Cyclin-dependent kinase 6 inhibitor
F82Q
2
man
polymer
18.015
water
179
nat
water
p18-INK6, Cyclin-dependent kinase 4 inhibitor C, p18-INK4c
no
no
MAEPWGNELASAAARGDLEQLTSLLQNNVNVNAQNGFGRTALQVMKLGNPEIARRLLLRGANPDLKDRTGFAVIHDAARA
GQLDTLQTLLEFQADVNIEDNEGNLPLHLAAKEGHLRVVEFLVKHTASNVGHRNHKGDTACDLARLYGRNEVVSLMQANG
AGGATNLQ
MAEPWGNELASAAARGDLEQLTSLLQNNVNVNAQNGFGRTALQVMKLGNPEIARRLLLRGANPDLKDRTGFAVIHDAARA
GQLDTLQTLLEFQADVNIEDNEGNLPLHLAAKEGHLRVVEFLVKHTASNVGHRNHKGDTACDLARLYGRNEVVSLMQANG
AGGATNLQ
A,B
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
human
Homo
Escherichia
Escherichia coli
sample
9606
Homo sapiens
469008
Escherichia coli BL21(DE3)
BL21(DE3)
plasmid
PRSETA
1
2.30
46.63
VAPOR DIFFUSION, HANGING DROP
8.5
5 mg/ml protein, 20 mM Tris (pH 8.5), 0.5 mM DTT, 14 % PEG 6000, 2 M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 273K
273
database_2
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Data collection
Refinement description
1
0
2002-10-16
1
1
2008-04-28
1
2
2011-07-13
1
3
2021-10-27
1
4
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
Structure of p18INK4c (F71N)
Structure of p18INK4c (F92N)
RCSB
Y
RCSB
2002-10-01
REL
HOH
water
1IHB
PDB ENTRY 1IHB
PDB
experimental model
WAT
5
2
HOH
HOH
169
A
WAT
6
2
HOH
HOH
170
A
WAT
7
2
HOH
HOH
171
A
WAT
9
2
HOH
HOH
172
A
WAT
10
2
HOH
HOH
173
A
WAT
17
2
HOH
HOH
174
A
WAT
18
2
HOH
HOH
175
A
WAT
20
2
HOH
HOH
176
A
WAT
24
2
HOH
HOH
177
A
WAT
26
2
HOH
HOH
178
A
WAT
29
2
HOH
HOH
179
A
WAT
31
2
HOH
HOH
180
A
WAT
34
2
HOH
HOH
181
A
WAT
35
2
HOH
HOH
182
A
WAT
37
2
HOH
HOH
183
A
WAT
38
2
HOH
HOH
184
A
WAT
39
2
HOH
HOH
185
A
WAT
40
2
HOH
HOH
186
A
WAT
41
2
HOH
HOH
187
A
WAT
46
2
HOH
HOH
188
A
WAT
48
2
HOH
HOH
189
A
WAT
50
2
HOH
HOH
190
A
WAT
52
2
HOH
HOH
191
A
WAT
53
2
HOH
HOH
192
A
WAT
55
2
HOH
HOH
193
A
WAT
58
2
HOH
HOH
194
A
WAT
61
2
HOH
HOH
195
A
WAT
64
2
HOH
HOH
196
A
WAT
70
2
HOH
HOH
197
A
WAT
71
2
HOH
HOH
198
A
WAT
72
2
HOH
HOH
199
A
WAT
76
2
HOH
HOH
200
A
WAT
80
2
HOH
HOH
201
A
WAT
81
2
HOH
HOH
202
A
WAT
86
2
HOH
HOH
203
A
WAT
89
2
HOH
HOH
204
A
WAT
91
2
HOH
HOH
205
A
WAT
92
2
HOH
HOH
206
A
WAT
94
2
HOH
HOH
207
A
WAT
96
2
HOH
HOH
208
A
WAT
97
2
HOH
HOH
209
A
WAT
98
2
HOH
HOH
210
A
WAT
99
2
HOH
HOH
211
A
WAT
107
2
HOH
HOH
212
A
WAT
109
2
HOH
HOH
213
A
WAT
113
2
HOH
HOH
214
A
WAT
115
2
HOH
HOH
215
A
WAT
118
2
HOH
HOH
216
A
WAT
119
2
HOH
HOH
217
A
WAT
121
2
HOH
HOH
218
A
WAT
122
2
HOH
HOH
219
A
WAT
126
2
HOH
HOH
220
A
WAT
127
2
HOH
HOH
221
A
WAT
128
2
HOH
HOH
222
A
WAT
129
2
HOH
HOH
223
A
WAT
133
2
HOH
HOH
224
A
WAT
134
2
HOH
HOH
225
A
WAT
135
2
HOH
HOH
226
A
WAT
136
2
HOH
HOH
227
A
WAT
144
2
HOH
HOH
228
A
WAT
145
2
HOH
HOH
229
A
WAT
146
2
HOH
HOH
230
A
WAT
147
2
HOH
HOH
231
A
WAT
148
2
HOH
HOH
232
A
WAT
149
2
HOH
HOH
233
A
WAT
150
2
HOH
HOH
234
A
WAT
151
2
HOH
HOH
235
A
WAT
155
2
HOH
HOH
236
A
WAT
159
2
HOH
HOH
237
A
WAT
160
2
HOH
HOH
238
A
WAT
161
2
HOH
HOH
239
A
WAT
164
2
HOH
HOH
240
A
WAT
165
2
HOH
HOH
241
A
WAT
167
2
HOH
HOH
242
A
WAT
168
2
HOH
HOH
243
A
WAT
171
2
HOH
HOH
244
A
WAT
172
2
HOH
HOH
245
A
WAT
175
2
HOH
HOH
246
A
WAT
176
2
HOH
HOH
247
A
WAT
179
2
HOH
HOH
248
A
WAT
1
2
HOH
HOH
169
B
WAT
2
2
HOH
HOH
170
B
WAT
3
2
HOH
HOH
171
B
WAT
4
2
HOH
HOH
172
B
WAT
8
2
HOH
HOH
173
B
WAT
11
2
HOH
HOH
174
B
WAT
12
2
HOH
HOH
175
B
WAT
13
2
HOH
HOH
176
B
WAT
14
2
HOH
HOH
177
B
WAT
15
2
HOH
HOH
178
B
WAT
16
2
HOH
HOH
179
B
WAT
19
2
HOH
HOH
180
B
WAT
21
2
HOH
HOH
181
B
WAT
22
2
HOH
HOH
182
B
WAT
23
2
HOH
HOH
183
B
WAT
25
2
HOH
HOH
184
B
WAT
27
2
HOH
HOH
185
B
WAT
28
2
HOH
HOH
186
B
WAT
30
2
HOH
HOH
187
B
WAT
32
2
HOH
HOH
188
B
WAT
33
2
HOH
HOH
189
B
WAT
36
2
HOH
HOH
190
B
WAT
42
2
HOH
HOH
191
B
WAT
43
2
HOH
HOH
192
B
WAT
44
2
HOH
HOH
193
B
WAT
45
2
HOH
HOH
194
B
WAT
47
2
HOH
HOH
195
B
WAT
49
2
HOH
HOH
196
B
WAT
51
2
HOH
HOH
197
B
WAT
54
2
HOH
HOH
198
B
WAT
56
2
HOH
HOH
199
B
WAT
57
2
HOH
HOH
200
B
WAT
59
2
HOH
HOH
201
B
WAT
60
2
HOH
HOH
202
B
WAT
62
2
HOH
HOH
203
B
WAT
63
2
HOH
HOH
204
B
WAT
65
2
HOH
HOH
205
B
WAT
66
2
HOH
HOH
206
B
WAT
67
2
HOH
HOH
207
B
WAT
68
2
HOH
HOH
208
B
WAT
69
2
HOH
HOH
209
B
WAT
73
2
HOH
HOH
210
B
WAT
74
2
HOH
HOH
211
B
WAT
75
2
HOH
HOH
212
B
WAT
77
2
HOH
HOH
213
B
WAT
78
2
HOH
HOH
214
B
WAT
79
2
HOH
HOH
215
B
WAT
82
2
HOH
HOH
216
B
WAT
83
2
HOH
HOH
217
B
WAT
84
2
HOH
HOH
218
B
WAT
85
2
HOH
HOH
219
B
WAT
87
2
HOH
HOH
220
B
WAT
88
2
HOH
HOH
221
B
WAT
90
2
HOH
HOH
222
B
WAT
93
2
HOH
HOH
223
B
WAT
95
2
HOH
HOH
224
B
WAT
100
2
HOH
HOH
225
B
WAT
101
2
HOH
HOH
226
B
WAT
102
2
HOH
HOH
227
B
WAT
103
2
HOH
HOH
228
B
WAT
104
2
HOH
HOH
229
B
WAT
105
2
HOH
HOH
230
B
WAT
106
2
HOH
HOH
231
B
WAT
108
2
HOH
HOH
232
B
WAT
110
2
HOH
HOH
233
B
WAT
111
2
HOH
HOH
234
B
WAT
112
2
HOH
HOH
235
B
WAT
114
2
HOH
HOH
236
B
WAT
116
2
HOH
HOH
237
B
WAT
117
2
HOH
HOH
238
B
WAT
120
2
HOH
HOH
239
B
WAT
123
2
HOH
HOH
240
B
WAT
124
2
HOH
HOH
241
B
WAT
125
2
HOH
HOH
242
B
WAT
130
2
HOH
HOH
243
B
WAT
131
2
HOH
HOH
244
B
WAT
132
2
HOH
HOH
245
B
WAT
137
2
HOH
HOH
246
B
WAT
138
2
HOH
HOH
247
B
WAT
139
2
HOH
HOH
248
B
WAT
140
2
HOH
HOH
249
B
WAT
141
2
HOH
HOH
250
B
WAT
142
2
HOH
HOH
251
B
WAT
143
2
HOH
HOH
252
B
WAT
152
2
HOH
HOH
253
B
WAT
153
2
HOH
HOH
254
B
WAT
154
2
HOH
HOH
255
B
WAT
156
2
HOH
HOH
256
B
WAT
157
2
HOH
HOH
257
B
WAT
158
2
HOH
HOH
258
B
WAT
162
2
HOH
HOH
259
B
WAT
163
2
HOH
HOH
260
B
WAT
166
2
HOH
HOH
261
B
WAT
169
2
HOH
HOH
262
B
WAT
170
2
HOH
HOH
263
B
WAT
173
2
HOH
HOH
264
B
WAT
174
2
HOH
HOH
265
B
WAT
177
2
HOH
HOH
266
B
WAT
178
2
HOH
HOH
267
B
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
TRP
5
n
5
TRP
5
A
GLY
6
n
6
GLY
6
A
ASN
7
n
7
ASN
7
A
GLU
8
n
8
GLU
8
A
LEU
9
n
9
LEU
9
A
ALA
10
n
10
ALA
10
A
SER
11
n
11
SER
11
A
ALA
12
n
12
ALA
12
A
ALA
13
n
13
ALA
13
A
ALA
14
n
14
ALA
14
A
ARG
15
n
15
ARG
15
A
GLY
16
n
16
GLY
16
A
ASP
17
n
17
ASP
17
A
LEU
18
n
18
LEU
18
A
GLU
19
n
19
GLU
19
A
GLN
20
n
20
GLN
20
A
LEU
21
n
21
LEU
21
A
THR
22
n
22
THR
22
A
SER
23
n
23
SER
23
A
LEU
24
n
24
LEU
24
A
LEU
25
n
25
LEU
25
A
GLN
26
n
26
GLN
26
A
ASN
27
n
27
ASN
27
A
ASN
28
n
28
ASN
28
A
VAL
29
n
29
VAL
29
A
ASN
30
n
30
ASN
30
A
VAL
31
n
31
VAL
31
A
ASN
32
n
32
ASN
32
A
ALA
33
n
33
ALA
33
A
GLN
34
n
34
GLN
34
A
ASN
35
n
35
ASN
35
A
GLY
36
n
36
GLY
36
A
PHE
37
n
37
PHE
37
A
GLY
38
n
38
GLY
38
A
ARG
39
n
39
ARG
39
A
THR
40
n
40
THR
40
A
ALA
41
n
41
ALA
41
A
LEU
42
n
42
LEU
42
A
GLN
43
n
43
GLN
43
A
VAL
44
n
44
VAL
44
A
MET
45
n
45
MET
45
A
LYS
46
n
46
LYS
46
A
LEU
47
n
47
LEU
47
A
GLY
48
n
48
GLY
48
A
ASN
49
n
49
ASN
49
A
PRO
50
n
50
PRO
50
A
GLU
51
n
51
GLU
51
A
ILE
52
n
52
ILE
52
A
ALA
53
n
53
ALA
53
A
ARG
54
n
54
ARG
54
A
ARG
55
n
55
ARG
55
A
LEU
56
n
56
LEU
56
A
LEU
57
n
57
LEU
57
A
LEU
58
n
58
LEU
58
A
ARG
59
n
59
ARG
59
A
GLY
60
n
60
GLY
60
A
ALA
61
n
61
ALA
61
A
ASN
62
n
62
ASN
62
A
PRO
63
n
63
PRO
63
A
ASP
64
n
64
ASP
64
A
LEU
65
n
65
LEU
65
A
LYS
66
n
66
LYS
66
A
ASP
67
n
67
ASP
67
A
ARG
68
n
68
ARG
68
A
THR
69
n
69
THR
69
A
GLY
70
n
70
GLY
70
A
PHE
71
n
71
PHE
71
A
ALA
72
n
72
ALA
72
A
VAL
73
n
73
VAL
73
A
ILE
74
n
74
ILE
74
A
HIS
75
n
75
HIS
75
A
ASP
76
n
76
ASP
76
A
ALA
77
n
77
ALA
77
A
ALA
78
n
78
ALA
78
A
ARG
79
n
79
ARG
79
A
ALA
80
n
80
ALA
80
A
GLY
81
n
81
GLY
81
A
GLN
82
n
82
GLN
82
A
LEU
83
n
83
LEU
83
A
ASP
84
n
84
ASP
84
A
THR
85
n
85
THR
85
A
LEU
86
n
86
LEU
86
A
GLN
87
n
87
GLN
87
A
THR
88
n
88
THR
88
A
LEU
89
n
89
LEU
89
A
LEU
90
n
90
LEU
90
A
GLU
91
n
91
GLU
91
A
PHE
92
n
92
PHE
92
A
GLN
93
n
93
GLN
93
A
ALA
94
n
94
ALA
94
A
ASP
95
n
95
ASP
95
A
VAL
96
n
96
VAL
96
A
ASN
97
n
97
ASN
97
A
ILE
98
n
98
ILE
98
A
GLU
99
n
99
GLU
99
A
ASP
100
n
100
ASP
100
A
ASN
101
n
101
ASN
101
A
GLU
102
n
102
GLU
102
A
GLY
103
n
103
GLY
103
A
ASN
104
n
104
ASN
104
A
LEU
105
n
105
LEU
105
A
PRO
106
n
106
PRO
106
A
LEU
107
n
107
LEU
107
A
HIS
108
n
108
HIS
108
A
LEU
109
n
109
LEU
109
A
ALA
110
n
110
ALA
110
A
ALA
111
n
111
ALA
111
A
LYS
112
n
112
LYS
112
A
GLU
113
n
113
GLU
113
A
GLY
114
n
114
GLY
114
A
HIS
115
n
115
HIS
115
A
LEU
116
n
116
LEU
116
A
ARG
117
n
117
ARG
117
A
VAL
118
n
118
VAL
118
A
VAL
119
n
119
VAL
119
A
GLU
120
n
120
GLU
120
A
PHE
121
n
121
PHE
121
A
LEU
122
n
122
LEU
122
A
VAL
123
n
123
VAL
123
A
LYS
124
n
124
LYS
124
A
HIS
125
n
125
HIS
125
A
THR
126
n
126
THR
126
A
ALA
127
n
127
ALA
127
A
SER
128
n
128
SER
128
A
ASN
129
n
129
ASN
129
A
VAL
130
n
130
VAL
130
A
GLY
131
n
131
GLY
131
A
HIS
132
n
132
HIS
132
A
ARG
133
n
133
ARG
133
A
ASN
134
n
134
ASN
134
A
HIS
135
n
135
HIS
135
A
LYS
136
n
136
LYS
136
A
GLY
137
n
137
GLY
137
A
ASP
138
n
138
ASP
138
A
THR
139
n
139
THR
139
A
ALA
140
n
140
ALA
140
A
CYS
141
n
141
CYS
141
A
ASP
142
n
142
ASP
142
A
LEU
143
n
143
LEU
143
A
ALA
144
n
144
ALA
144
A
ARG
145
n
145
ARG
145
A
LEU
146
n
146
LEU
146
A
TYR
147
n
147
TYR
147
A
GLY
148
n
148
GLY
148
A
ARG
149
n
149
ARG
149
A
ASN
150
n
150
ASN
150
A
GLU
151
n
151
GLU
151
A
VAL
152
n
152
VAL
152
A
VAL
153
n
153
VAL
153
A
SER
154
n
154
SER
154
A
LEU
155
n
155
LEU
155
A
MET
156
n
156
MET
156
A
GLN
157
n
157
GLN
157
A
ALA
158
n
158
ALA
158
A
ASN
159
n
159
ASN
159
A
GLY
160
n
160
GLY
160
A
n
161
161
A
n
162
162
A
n
163
163
A
n
164
164
A
n
165
165
A
n
166
166
A
n
167
167
A
n
168
168
A
n
1
1
B
n
2
2
B
n
3
3
B
PRO
4
n
4
PRO
4
B
TRP
5
n
5
TRP
5
B
GLY
6
n
6
GLY
6
B
ASN
7
n
7
ASN
7
B
GLU
8
n
8
GLU
8
B
LEU
9
n
9
LEU
9
B
ALA
10
n
10
ALA
10
B
SER
11
n
11
SER
11
B
ALA
12
n
12
ALA
12
B
ALA
13
n
13
ALA
13
B
ALA
14
n
14
ALA
14
B
ARG
15
n
15
ARG
15
B
GLY
16
n
16
GLY
16
B
ASP
17
n
17
ASP
17
B
LEU
18
n
18
LEU
18
B
GLU
19
n
19
GLU
19
B
GLN
20
n
20
GLN
20
B
LEU
21
n
21
LEU
21
B
THR
22
n
22
THR
22
B
SER
23
n
23
SER
23
B
LEU
24
n
24
LEU
24
B
LEU
25
n
25
LEU
25
B
GLN
26
n
26
GLN
26
B
ASN
27
n
27
ASN
27
B
ASN
28
n
28
ASN
28
B
VAL
29
n
29
VAL
29
B
ASN
30
n
30
ASN
30
B
VAL
31
n
31
VAL
31
B
ASN
32
n
32
ASN
32
B
ALA
33
n
33
ALA
33
B
GLN
34
n
34
GLN
34
B
ASN
35
n
35
ASN
35
B
GLY
36
n
36
GLY
36
B
PHE
37
n
37
PHE
37
B
GLY
38
n
38
GLY
38
B
ARG
39
n
39
ARG
39
B
THR
40
n
40
THR
40
B
ALA
41
n
41
ALA
41
B
LEU
42
n
42
LEU
42
B
GLN
43
n
43
GLN
43
B
VAL
44
n
44
VAL
44
B
MET
45
n
45
MET
45
B
LYS
46
n
46
LYS
46
B
LEU
47
n
47
LEU
47
B
GLY
48
n
48
GLY
48
B
ASN
49
n
49
ASN
49
B
PRO
50
n
50
PRO
50
B
GLU
51
n
51
GLU
51
B
ILE
52
n
52
ILE
52
B
ALA
53
n
53
ALA
53
B
ARG
54
n
54
ARG
54
B
ARG
55
n
55
ARG
55
B
LEU
56
n
56
LEU
56
B
LEU
57
n
57
LEU
57
B
LEU
58
n
58
LEU
58
B
ARG
59
n
59
ARG
59
B
GLY
60
n
60
GLY
60
B
ALA
61
n
61
ALA
61
B
ASN
62
n
62
ASN
62
B
PRO
63
n
63
PRO
63
B
ASP
64
n
64
ASP
64
B
LEU
65
n
65
LEU
65
B
LYS
66
n
66
LYS
66
B
ASP
67
n
67
ASP
67
B
ARG
68
n
68
ARG
68
B
THR
69
n
69
THR
69
B
GLY
70
n
70
GLY
70
B
PHE
71
n
71
PHE
71
B
ALA
72
n
72
ALA
72
B
VAL
73
n
73
VAL
73
B
ILE
74
n
74
ILE
74
B
HIS
75
n
75
HIS
75
B
ASP
76
n
76
ASP
76
B
ALA
77
n
77
ALA
77
B
ALA
78
n
78
ALA
78
B
ARG
79
n
79
ARG
79
B
ALA
80
n
80
ALA
80
B
GLY
81
n
81
GLY
81
B
GLN
82
n
82
GLN
82
B
LEU
83
n
83
LEU
83
B
ASP
84
n
84
ASP
84
B
THR
85
n
85
THR
85
B
LEU
86
n
86
LEU
86
B
GLN
87
n
87
GLN
87
B
THR
88
n
88
THR
88
B
LEU
89
n
89
LEU
89
B
LEU
90
n
90
LEU
90
B
GLU
91
n
91
GLU
91
B
PHE
92
n
92
PHE
92
B
GLN
93
n
93
GLN
93
B
ALA
94
n
94
ALA
94
B
ASP
95
n
95
ASP
95
B
VAL
96
n
96
VAL
96
B
ASN
97
n
97
ASN
97
B
ILE
98
n
98
ILE
98
B
GLU
99
n
99
GLU
99
B
ASP
100
n
100
ASP
100
B
ASN
101
n
101
ASN
101
B
GLU
102
n
102
GLU
102
B
GLY
103
n
103
GLY
103
B
ASN
104
n
104
ASN
104
B
LEU
105
n
105
LEU
105
B
PRO
106
n
106
PRO
106
B
LEU
107
n
107
LEU
107
B
HIS
108
n
108
HIS
108
B
LEU
109
n
109
LEU
109
B
ALA
110
n
110
ALA
110
B
ALA
111
n
111
ALA
111
B
LYS
112
n
112
LYS
112
B
GLU
113
n
113
GLU
113
B
GLY
114
n
114
GLY
114
B
HIS
115
n
115
HIS
115
B
LEU
116
n
116
LEU
116
B
ARG
117
n
117
ARG
117
B
VAL
118
n
118
VAL
118
B
VAL
119
n
119
VAL
119
B
GLU
120
n
120
GLU
120
B
PHE
121
n
121
PHE
121
B
LEU
122
n
122
LEU
122
B
VAL
123
n
123
VAL
123
B
LYS
124
n
124
LYS
124
B
HIS
125
n
125
HIS
125
B
THR
126
n
126
THR
126
B
ALA
127
n
127
ALA
127
B
SER
128
n
128
SER
128
B
ASN
129
n
129
ASN
129
B
VAL
130
n
130
VAL
130
B
GLY
131
n
131
GLY
131
B
HIS
132
n
132
HIS
132
B
ARG
133
n
133
ARG
133
B
ASN
134
n
134
ASN
134
B
HIS
135
n
135
HIS
135
B
LYS
136
n
136
LYS
136
B
GLY
137
n
137
GLY
137
B
ASP
138
n
138
ASP
138
B
THR
139
n
139
THR
139
B
ALA
140
n
140
ALA
140
B
CYS
141
n
141
CYS
141
B
ASP
142
n
142
ASP
142
B
LEU
143
n
143
LEU
143
B
ALA
144
n
144
ALA
144
B
ARG
145
n
145
ARG
145
B
LEU
146
n
146
LEU
146
B
TYR
147
n
147
TYR
147
B
GLY
148
n
148
GLY
148
B
ARG
149
n
149
ARG
149
B
ASN
150
n
150
ASN
150
B
GLU
151
n
151
GLU
151
B
VAL
152
n
152
VAL
152
B
VAL
153
n
153
VAL
153
B
SER
154
n
154
SER
154
B
LEU
155
n
155
LEU
155
B
MET
156
n
156
MET
156
B
GLN
157
n
157
GLN
157
B
ALA
158
n
158
ALA
158
B
ASN
159
n
159
ASN
159
B
GLY
160
n
160
GLY
160
B
ALA
161
n
161
ALA
161
B
GLY
162
n
162
GLY
162
B
n
163
163
B
n
164
164
B
n
165
165
B
n
166
166
B
n
167
167
B
n
168
168
B
author_defined_assembly
1
monomeric
author_defined_assembly
1
monomeric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
1
A
MET
1
A
MET
1
1
Y
1
A
ALA
2
A
ALA
2
1
Y
1
A
GLU
3
A
GLU
3
1
Y
1
A
PRO
4
A
PRO
4
1
Y
1
A
ALA
161
A
ALA
161
1
Y
1
A
GLY
162
A
GLY
162
1
Y
1
A
GLY
163
A
GLY
163
1
Y
1
A
ALA
164
A
ALA
164
1
Y
1
A
THR
165
A
THR
165
1
Y
1
A
ASN
166
A
ASN
166
1
Y
1
A
LEU
167
A
LEU
167
1
Y
1
A
GLN
168
A
GLN
168
1
Y
1
B
MET
1
B
MET
1
1
Y
1
B
ALA
2
B
ALA
2
1
Y
1
B
GLU
3
B
GLU
3
1
Y
1
B
GLY
163
B
GLY
163
1
Y
1
B
ALA
164
B
ALA
164
1
Y
1
B
THR
165
B
THR
165
1
Y
1
B
ASN
166
B
ASN
166
1
Y
1
B
LEU
167
B
LEU
167
1
Y
1
B
GLN
168
B
GLN
168
1
Y
1
A
B
O
NH2
ARG
ARG
145
54
2.16
1_555
3_546
protein_rep.param
water_rep.param
-1.030
0
0
3.886
0
-2.856
0.26
0.231
0.237
0.237
2.0
50.0
2282
23355
22818
97.7
random
1
THROUGHOUT
0
0
MOLECULAR REPLACEMENT
PDB ENTRY 1IHB
Engh & Huber
2.0
50.0
179
2583
0
0
2404
1.24
0.005
2.0
50.0
1MX4
23355
22818
0
0
0.039
0.039
1
23.9
97.7
0.138
2.0
2.05
16.3
0.138
95.7
data reduction
DENZO
data scaling
SCALEPACK
refinement
CNS
phasing
CNS
Structure of p18INK4c (F82Q)
1
N
N
1
N
N
2
N
N
2
N
N
A
TRP
5
A
TRP
5
HELX_P
A
GLY
16
A
GLY
16
1
1
12
A
ASP
17
A
ASP
17
HELX_P
A
LEU
25
A
LEU
25
1
2
9
A
THR
40
A
THR
40
HELX_P
A
MET
45
A
MET
45
1
3
6
A
ASN
49
A
ASN
49
HELX_P
A
ARG
59
A
ARG
59
1
4
11
A
ALA
72
A
ALA
72
HELX_P
A
ALA
80
A
ALA
80
1
5
9
A
GLN
82
A
GLN
82
HELX_P
A
PHE
92
A
PHE
92
1
6
11
A
LEU
105
A
LEU
105
HELX_P
A
GLY
114
A
GLY
114
1
7
10
A
HIS
115
A
HIS
115
HELX_P
A
THR
126
A
THR
126
1
8
12
A
THR
139
A
THR
139
HELX_P
A
TYR
147
A
TYR
147
1
9
9
A
ARG
149
A
ARG
149
HELX_P
A
ASN
159
A
ASN
159
1
10
11
B
PRO
4
B
PRO
4
HELX_P
B
GLY
16
B
GLY
16
1
11
13
B
ASP
17
B
ASP
17
HELX_P
B
ASN
27
B
ASN
27
1
12
11
B
THR
40
B
THR
40
HELX_P
B
MET
45
B
MET
45
1
13
6
B
ASN
49
B
ASN
49
HELX_P
B
ARG
59
B
ARG
59
1
14
11
B
ALA
72
B
ALA
72
HELX_P
B
ALA
80
B
ALA
80
1
15
9
B
GLN
82
B
GLN
82
HELX_P
B
PHE
92
B
PHE
92
1
16
11
B
LEU
105
B
LEU
105
HELX_P
B
GLU
113
B
GLU
113
1
17
9
B
HIS
115
B
HIS
115
HELX_P
B
THR
126
B
THR
126
1
18
12
B
THR
139
B
THR
139
HELX_P
B
TYR
147
B
TYR
147
1
19
9
B
ARG
149
B
ARG
149
HELX_P
B
ASN
159
B
ASN
159
1
20
11
cell cycle inhibitor
Ankyrin repeats, cell cycle inhibitor
CDN2C_HUMAN
UNP
1
1
P42773
MAEPWGNELASAAARGDLEQLTSLLQNNVNVNAQNGFGRTALQVMKLGNPEIARRLLLRGANPDLKDRTGFAVIHDAARA
GFLDTLQTLLEFQADVNIEDNEGNLPLHLAAKEGHLRVVEFLVKHTASNVGHRNHKGDTACDLARLYGRNEVVSLMQANG
AGGATNLQ
1
168
1MX4
1
168
P42773
A
1
1
168
1
168
1MX4
1
168
P42773
B
1
1
168
1
PHE
engineered mutation
GLN
82
1MX4
A
P42773
UNP
82
82
2
PHE
engineered mutation
GLN
82
1MX4
B
P42773
UNP
82
82
18
P 21 21 2