0.031133
0.000000
0.000000
0.000000
0.013191
0.000000
0.000000
0.000000
0.012429
0.00000
0.00000
0.00000
Fischle, W.
Wang, Y.
Jacobs, S.A.
Kim, Y.
Allis, C.D.
Khorasanizadeh, S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
32.120
75.810
80.460
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
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
C9 H21 N2 O2 1
189.275
n
N-TRIMETHYLLYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
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
S
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
N
N
83
N
O
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
C
N
101
N
O
N
102
N
O
N
103
N
O
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
N
N
114
N
C
N
115
N
C
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
N
N
124
S
C
N
125
N
C
N
126
N
O
N
127
N
C
Y
128
N
C
Y
129
N
N
Y
130
N
C
Y
131
N
C
Y
132
N
N
N
133
N
O
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
O
N
145
N
H
N
146
N
H
N
147
N
N
N
148
S
C
N
149
N
C
N
150
N
O
N
151
S
C
N
152
N
C
N
153
N
C
N
154
N
C
N
155
N
O
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
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
N
N
170
S
C
N
171
N
C
N
172
N
O
N
173
N
C
N
174
N
C
N
175
N
C
N
176
N
C
N
177
N
O
N
178
N
H
N
179
N
H
N
180
N
H
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
H
N
191
N
N
N
192
S
C
N
193
N
C
N
194
N
O
N
195
N
C
N
196
N
C
N
197
N
C
N
198
N
C
N
199
N
N
N
200
N
O
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
N
N
217
S
C
N
218
N
C
N
219
N
C
N
220
N
C
N
221
N
C
N
222
N
N
N
223
N
C
N
224
N
O
N
225
N
O
N
226
N
C
N
227
N
C
N
228
N
C
N
229
N
H
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
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
N
255
N
C
N
256
N
S
N
257
N
C
N
258
N
O
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
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
N
N
271
S
C
N
272
N
C
N
273
N
O
N
274
N
C
N
275
N
C
N
276
N
C
N
277
N
O
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
N
N
288
S
C
N
289
N
C
N
290
N
O
N
291
N
C
N
292
N
O
N
293
N
O
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
N
N
302
S
C
N
303
N
C
N
304
N
O
N
305
R
C
N
306
N
O
N
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
N
N
319
S
C
N
320
N
C
N
321
N
O
N
322
N
C
Y
323
N
C
Y
324
N
C
Y
325
N
C
Y
326
N
N
Y
327
N
C
Y
328
N
C
Y
329
N
C
Y
330
N
C
Y
331
N
C
N
332
N
O
N
333
N
H
N
334
N
H
N
335
N
H
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
N
N
346
S
C
N
347
N
C
N
348
N
O
N
349
N
C
Y
350
N
C
Y
351
N
C
Y
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
N
356
N
O
N
357
N
O
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
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
N
N
370
S
C
N
371
N
C
N
372
N
O
N
373
N
C
N
374
N
C
N
375
N
C
N
376
N
O
N
377
N
H
N
378
N
H
N
379
N
H
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
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
doub
N
85
N
sing
N
86
N
sing
N
87
N
sing
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
doub
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
doub
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
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
doub
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
Y
127
N
sing
Y
128
N
doub
Y
129
N
doub
N
130
N
sing
Y
131
N
sing
N
132
N
sing
Y
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
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
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
sing
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
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
sing
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
sing
N
186
N
sing
N
187
N
doub
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
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
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
sing
N
225
N
sing
N
226
N
doub
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
doub
N
245
N
sing
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
doub
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
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
doub
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
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
Y
319
N
sing
Y
320
N
sing
N
321
N
sing
Y
322
N
sing
Y
323
N
doub
N
324
N
sing
Y
325
N
doub
N
326
N
sing
Y
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
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
doub
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
Y
342
N
doub
Y
343
N
sing
Y
344
N
sing
N
345
N
sing
Y
346
N
doub
N
347
N
sing
Y
348
N
doub
N
349
N
sing
Y
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
doub
N
362
N
sing
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
US
Genes Dev.
GEDEEP
2056
0890-9369
17
1870
1881
10.1101/gad.1110503
12897054
Molecular basis for the discrimination of repressive methyl-lysine marks in histone H3 by Polycomb and HP1 chromodomains
2003
10.2210/pdb1pdq/pdb
pdb_00001pdq
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
2003-04-20
ADSC QUANTUM 4
double crystal SI 111
SINGLE WAVELENGTH
M
x-ray
1
0.97934
1.0
19-ID
APS
0.97934
SYNCHROTRON
APS BEAMLINE 19-ID
8853.055
Polycomb protein
residues 15-77
1
man
polymer
1929.290
Histone H3.3
residues 15-32
K27(M3L)
1
syn
polymer
18.015
water
194
nat
water
H3.A, H3.B, H3.3Q
no
no
MKKHHHHHHDNATDDPVDLVYAAEKIIQKRVKKGVVEYRVKWKGWNQRYNTWEPEVNILDRRLIDIYEQTNK
MKKHHHHHHDNATDDPVDLVYAAEKIIQKRVKKGVVEYRVKWKGWNQRYNTWEPEVNILDRRLIDIYEQTNK
A
polypeptide(L)
no
yes
APRKQLATKAAR(M3L)SAPST
APRKQLATKAARKSAPST
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
fruit fly
Drosophila
Escherichia
sample
PC OR CG7618
7227
Drosophila melanogaster
562
Escherichia coli
BL21(DE3)pLysS
pET
pET11a
1
2.27
45.83
VAPOR DIFFUSION, HANGING DROP
8.5
0.1 M Tris-HCl, 0.2 M Lithium sulfate, 30 % PEG 4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
277
database_2
struct_conn
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
Derived calculations
Data collection
Refinement description
1
0
2003-08-26
1
1
2008-04-29
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_ref_seq_dif.details
RCSB
Y
RCSB
2003-05-20
REL
REL
HOH
water
Synthetic peptide
sample
1KNA
PDB 1KNA
PDB
experimental model
HOH
1
3
HOH
HOH
78
A
HOH
4
3
HOH
HOH
79
A
HOH
5
3
HOH
HOH
80
A
HOH
10
3
HOH
HOH
81
A
HOH
12
3
HOH
HOH
82
A
HOH
13
3
HOH
HOH
83
A
HOH
19
3
HOH
HOH
84
A
HOH
23
3
HOH
HOH
85
A
HOH
24
3
HOH
HOH
86
A
HOH
27
3
HOH
HOH
87
A
HOH
28
3
HOH
HOH
88
A
HOH
29
3
HOH
HOH
89
A
HOH
31
3
HOH
HOH
90
A
HOH
32
3
HOH
HOH
91
A
HOH
33
3
HOH
HOH
92
A
HOH
34
3
HOH
HOH
93
A
HOH
35
3
HOH
HOH
94
A
HOH
36
3
HOH
HOH
95
A
HOH
37
3
HOH
HOH
96
A
HOH
38
3
HOH
HOH
97
A
HOH
39
3
HOH
HOH
98
A
HOH
40
3
HOH
HOH
99
A
HOH
41
3
HOH
HOH
100
A
HOH
42
3
HOH
HOH
101
A
HOH
43
3
HOH
HOH
102
A
HOH
44
3
HOH
HOH
103
A
HOH
45
3
HOH
HOH
104
A
HOH
46
3
HOH
HOH
105
A
HOH
47
3
HOH
HOH
106
A
HOH
48
3
HOH
HOH
107
A
HOH
49
3
HOH
HOH
108
A
HOH
50
3
HOH
HOH
109
A
HOH
51
3
HOH
HOH
110
A
HOH
52
3
HOH
HOH
111
A
HOH
53
3
HOH
HOH
112
A
HOH
54
3
HOH
HOH
113
A
HOH
55
3
HOH
HOH
114
A
HOH
56
3
HOH
HOH
115
A
HOH
57
3
HOH
HOH
116
A
HOH
58
3
HOH
HOH
117
A
HOH
59
3
HOH
HOH
118
A
HOH
60
3
HOH
HOH
119
A
HOH
61
3
HOH
HOH
120
A
HOH
62
3
HOH
HOH
121
A
HOH
63
3
HOH
HOH
122
A
HOH
64
3
HOH
HOH
123
A
HOH
65
3
HOH
HOH
124
A
HOH
66
3
HOH
HOH
125
A
HOH
67
3
HOH
HOH
126
A
HOH
68
3
HOH
HOH
127
A
HOH
69
3
HOH
HOH
128
A
HOH
70
3
HOH
HOH
129
A
HOH
72
3
HOH
HOH
130
A
HOH
73
3
HOH
HOH
131
A
HOH
74
3
HOH
HOH
132
A
HOH
75
3
HOH
HOH
133
A
HOH
76
3
HOH
HOH
134
A
HOH
77
3
HOH
HOH
135
A
HOH
78
3
HOH
HOH
136
A
HOH
79
3
HOH
HOH
137
A
HOH
80
3
HOH
HOH
138
A
HOH
81
3
HOH
HOH
139
A
HOH
82
3
HOH
HOH
140
A
HOH
83
3
HOH
HOH
141
A
HOH
84
3
HOH
HOH
142
A
HOH
85
3
HOH
HOH
143
A
HOH
87
3
HOH
HOH
144
A
HOH
89
3
HOH
HOH
145
A
HOH
91
3
HOH
HOH
146
A
HOH
92
3
HOH
HOH
147
A
HOH
93
3
HOH
HOH
148
A
HOH
94
3
HOH
HOH
149
A
HOH
96
3
HOH
HOH
150
A
HOH
97
3
HOH
HOH
151
A
HOH
99
3
HOH
HOH
152
A
HOH
100
3
HOH
HOH
153
A
HOH
102
3
HOH
HOH
154
A
HOH
104
3
HOH
HOH
155
A
HOH
105
3
HOH
HOH
156
A
HOH
107
3
HOH
HOH
157
A
HOH
108
3
HOH
HOH
158
A
HOH
109
3
HOH
HOH
159
A
HOH
110
3
HOH
HOH
160
A
HOH
111
3
HOH
HOH
161
A
HOH
112
3
HOH
HOH
162
A
HOH
113
3
HOH
HOH
163
A
HOH
114
3
HOH
HOH
164
A
HOH
115
3
HOH
HOH
165
A
HOH
116
3
HOH
HOH
166
A
HOH
117
3
HOH
HOH
167
A
HOH
118
3
HOH
HOH
168
A
HOH
119
3
HOH
HOH
169
A
HOH
122
3
HOH
HOH
170
A
HOH
123
3
HOH
HOH
171
A
HOH
125
3
HOH
HOH
172
A
HOH
126
3
HOH
HOH
173
A
HOH
128
3
HOH
HOH
174
A
HOH
129
3
HOH
HOH
175
A
HOH
130
3
HOH
HOH
176
A
HOH
131
3
HOH
HOH
177
A
HOH
133
3
HOH
HOH
178
A
HOH
134
3
HOH
HOH
179
A
HOH
135
3
HOH
HOH
180
A
HOH
136
3
HOH
HOH
181
A
HOH
137
3
HOH
HOH
182
A
HOH
138
3
HOH
HOH
183
A
HOH
140
3
HOH
HOH
184
A
HOH
141
3
HOH
HOH
185
A
HOH
142
3
HOH
HOH
186
A
HOH
143
3
HOH
HOH
187
A
HOH
144
3
HOH
HOH
188
A
HOH
145
3
HOH
HOH
189
A
HOH
146
3
HOH
HOH
190
A
HOH
147
3
HOH
HOH
191
A
HOH
148
3
HOH
HOH
192
A
HOH
149
3
HOH
HOH
193
A
HOH
151
3
HOH
HOH
194
A
HOH
153
3
HOH
HOH
195
A
HOH
154
3
HOH
HOH
196
A
HOH
155
3
HOH
HOH
197
A
HOH
156
3
HOH
HOH
198
A
HOH
157
3
HOH
HOH
199
A
HOH
158
3
HOH
HOH
200
A
HOH
160
3
HOH
HOH
201
A
HOH
162
3
HOH
HOH
202
A
HOH
163
3
HOH
HOH
203
A
HOH
164
3
HOH
HOH
204
A
HOH
165
3
HOH
HOH
205
A
HOH
166
3
HOH
HOH
206
A
HOH
167
3
HOH
HOH
207
A
HOH
168
3
HOH
HOH
208
A
HOH
169
3
HOH
HOH
209
A
HOH
170
3
HOH
HOH
210
A
HOH
171
3
HOH
HOH
211
A
HOH
172
3
HOH
HOH
212
A
HOH
173
3
HOH
HOH
213
A
HOH
174
3
HOH
HOH
214
A
HOH
175
3
HOH
HOH
215
A
HOH
176
3
HOH
HOH
216
A
HOH
177
3
HOH
HOH
217
A
HOH
178
3
HOH
HOH
218
A
HOH
179
3
HOH
HOH
219
A
HOH
180
3
HOH
HOH
220
A
HOH
181
3
HOH
HOH
221
A
HOH
182
3
HOH
HOH
222
A
HOH
183
3
HOH
HOH
223
A
HOH
185
3
HOH
HOH
224
A
HOH
186
3
HOH
HOH
225
A
HOH
187
3
HOH
HOH
226
A
HOH
188
3
HOH
HOH
227
A
HOH
189
3
HOH
HOH
228
A
HOH
190
3
HOH
HOH
229
A
HOH
191
3
HOH
HOH
230
A
HOH
192
3
HOH
HOH
231
A
HOH
194
3
HOH
HOH
232
A
HOH
198
3
HOH
HOH
233
A
HOH
200
3
HOH
HOH
234
A
HOH
201
3
HOH
HOH
235
A
HOH
205
3
HOH
HOH
236
A
HOH
206
3
HOH
HOH
237
A
HOH
207
3
HOH
HOH
238
A
HOH
208
3
HOH
HOH
239
A
HOH
209
3
HOH
HOH
240
A
HOH
209
3
HOH
HOH
241
A
HOH
211
3
HOH
HOH
242
A
HOH
212
3
HOH
HOH
243
A
HOH
213
3
HOH
HOH
244
A
HOH
214
3
HOH
HOH
245
A
HOH
215
3
HOH
HOH
246
A
HOH
216
3
HOH
HOH
247
A
HOH
217
3
HOH
HOH
248
A
HOH
218
3
HOH
HOH
249
A
HOH
219
3
HOH
HOH
250
A
HOH
220
3
HOH
HOH
251
A
HOH
30
3
HOH
HOH
33
B
HOH
71
3
HOH
HOH
34
B
HOH
88
3
HOH
HOH
35
B
HOH
95
3
HOH
HOH
36
B
HOH
103
3
HOH
HOH
37
B
HOH
106
3
HOH
HOH
38
B
HOH
121
3
HOH
HOH
39
B
HOH
127
3
HOH
HOH
40
B
HOH
132
3
HOH
HOH
41
B
HOH
139
3
HOH
HOH
42
B
HOH
150
3
HOH
HOH
43
B
HOH
152
3
HOH
HOH
44
B
HOH
159
3
HOH
HOH
45
B
HOH
184
3
HOH
HOH
46
B
HOH
195
3
HOH
HOH
47
B
HOH
196
3
HOH
HOH
48
B
HOH
197
3
HOH
HOH
49
B
HOH
199
3
HOH
HOH
50
B
HOH
203
3
HOH
HOH
51
B
HOH
204
3
HOH
HOH
52
B
n
1
6
A
n
2
7
A
n
3
8
A
n
4
9
A
n
5
10
A
n
6
11
A
n
7
12
A
n
8
13
A
n
9
14
A
n
10
15
A
n
11
16
A
n
12
17
A
n
13
18
A
n
14
19
A
n
15
20
A
n
16
21
A
n
17
22
A
ASP
23
n
18
ASP
23
A
LEU
24
n
19
LEU
24
A
VAL
25
n
20
VAL
25
A
TYR
26
n
21
TYR
26
A
ALA
27
n
22
ALA
27
A
ALA
28
n
23
ALA
28
A
GLU
29
n
24
GLU
29
A
LYS
30
n
25
LYS
30
A
ILE
31
n
26
ILE
31
A
ILE
32
n
27
ILE
32
A
GLN
33
n
28
GLN
33
A
LYS
34
n
29
LYS
34
A
ARG
35
n
30
ARG
35
A
VAL
36
n
31
VAL
36
A
LYS
37
n
32
LYS
37
A
LYS
38
n
33
LYS
38
A
GLY
39
n
34
GLY
39
A
VAL
40
n
35
VAL
40
A
VAL
41
n
36
VAL
41
A
GLU
42
n
37
GLU
42
A
TYR
43
n
38
TYR
43
A
ARG
44
n
39
ARG
44
A
VAL
45
n
40
VAL
45
A
LYS
46
n
41
LYS
46
A
TRP
47
n
42
TRP
47
A
LYS
48
n
43
LYS
48
A
GLY
49
n
44
GLY
49
A
TRP
50
n
45
TRP
50
A
ASN
51
n
46
ASN
51
A
GLN
52
n
47
GLN
52
A
ARG
53
n
48
ARG
53
A
TYR
54
n
49
TYR
54
A
ASN
55
n
50
ASN
55
A
THR
56
n
51
THR
56
A
TRP
57
n
52
TRP
57
A
GLU
58
n
53
GLU
58
A
PRO
59
n
54
PRO
59
A
GLU
60
n
55
GLU
60
A
VAL
61
n
56
VAL
61
A
ASN
62
n
57
ASN
62
A
ILE
63
n
58
ILE
63
A
LEU
64
n
59
LEU
64
A
ASP
65
n
60
ASP
65
A
ARG
66
n
61
ARG
66
A
ARG
67
n
62
ARG
67
A
LEU
68
n
63
LEU
68
A
ILE
69
n
64
ILE
69
A
ASP
70
n
65
ASP
70
A
ILE
71
n
66
ILE
71
A
TYR
72
n
67
TYR
72
A
GLU
73
n
68
GLU
73
A
n
69
74
A
n
70
75
A
n
71
76
A
n
72
77
A
n
1
15
B
n
2
16
B
n
3
17
B
n
4
18
B
n
5
19
B
LEU
20
n
6
LEU
20
B
ALA
21
n
7
ALA
21
B
THR
22
n
8
THR
22
B
LYS
23
n
9
LYS
23
B
ALA
24
n
10
ALA
24
B
ALA
25
n
11
ALA
25
B
ARG
26
n
12
ARG
26
B
M3L
27
n
13
M3L
27
B
SER
28
n
14
SER
28
B
n
15
29
B
n
16
30
B
n
17
31
B
n
18
32
B
author_and_software_defined_assembly
PISA
2
dimeric
1450
-6
4230
B
M3L
27
N-TRIMETHYLLYSINE
B
M3L
13
LYS
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
O
THR
56
A
O
THR
51
A
N
VAL
45
A
N
VAL
40
A
O
LYS
46
A
O
LYS
41
A
N
LYS
30
A
N
LYS
25
A
N
ALA
28
A
N
ALA
23
B
O
LYS
23
B
O
LYS
9
1
A
HOH
240
C
HOH
1
A
HOH
241
C
HOH
1
A
HOH
248
C
HOH
1
A
MET
6
A
MET
1
1
Y
1
A
LYS
7
A
LYS
2
1
Y
1
A
LYS
8
A
LYS
3
1
Y
1
A
HIS
9
A
HIS
4
1
Y
1
A
HIS
10
A
HIS
5
1
Y
1
A
HIS
11
A
HIS
6
1
Y
1
A
HIS
12
A
HIS
7
1
Y
1
A
HIS
13
A
HIS
8
1
Y
1
A
HIS
14
A
HIS
9
1
Y
1
A
ASP
15
A
ASP
10
1
Y
1
A
ASN
16
A
ASN
11
1
Y
1
A
ALA
17
A
ALA
12
1
Y
1
A
THR
18
A
THR
13
1
Y
1
A
ASP
19
A
ASP
14
1
Y
1
A
ASP
20
A
ASP
15
1
Y
1
A
PRO
21
A
PRO
16
1
Y
1
A
VAL
22
A
VAL
17
1
Y
1
A
GLN
74
A
GLN
69
1
Y
1
A
THR
75
A
THR
70
1
Y
1
A
ASN
76
A
ASN
71
1
Y
1
A
LYS
77
A
LYS
72
1
Y
1
B
ALA
15
B
ALA
1
1
Y
1
B
PRO
16
B
PRO
2
1
Y
1
B
ARG
17
B
ARG
3
1
Y
1
B
LYS
18
B
LYS
4
1
Y
1
B
GLN
19
B
GLN
5
1
Y
1
B
ALA
29
B
ALA
15
1
Y
1
B
PRO
30
B
PRO
16
1
Y
1
B
SER
31
B
SER
17
1
Y
1
B
THR
32
B
THR
18
1
Y
1
A
A
OH
O
TYR
HOH
72
219
1.77
1
A
A
O
O
HOH
HOH
201
201
1.36
1_555
8_565
1
A
A
O
O
HOH
HOH
243
243
1.61
1_555
7_456
PROTEIN_REP.PARAM
PROTEIN.TOP
TEST2.PARAM
WATER_REP.PARAM
31.1
-2.70
0.00
0.00
-0.59
0.00
3.29
0.253
0.008
0.223
0.223
0.223
1.76
27.59
985
9494
9494
10.4
93.6
RANDOM
1
RESTRAINED
THROUGHOUT
0
MOLECULAR REPLACEMENT
PDB 1KNA
Engh & Huber
FLAT MODEL
82.0875
0.405418
0.27
0.22
5.00
0.25
0.18
1.76
27.59
194
710
0
0
516
0.006
1.2
25.6
0.57
1.48
1.50
2.33
2.00
2.23
2.00
3.48
2.50
0.341
0.030
0.274
1.87
134
1190
6
10.1
79.6
18.7
1.76
50.00
1PDQ
9494
9494
2.95
2.95
0.03
0.033
1
32.6
4.1
93.7
0.176
1.76
1.82
2.95
1190
0.212
2.95
74.2
refinement
CNS
1.0
data reduction
HKL-2000
data scaling
CCP4
(TRUNCATE)
phasing
MOLREP
Polycomb chromodomain complexed with the histone H3 tail containing trimethyllysine 27.
1
N
N
2
N
N
3
N
N
3
N
N
A
ASN
51
A
ASN
46
HELX_P
A
ASN
55
A
ASN
50
5
1
5
A
VAL
61
A
VAL
56
HELX_P
A
ILE
63
A
ILE
58
5
2
3
A
ARG
66
A
ARG
61
HELX_P
A
GLU
73
A
GLU
68
1
3
8
covale
1.331
both
B
ARG
26
B
C
ARG
12
1_555
B
M3L
27
B
N
M3L
13
1_555
covale
1.330
both
B
M3L
27
B
C
M3L
13
1_555
B
SER
28
B
N
SER
14
1_555
STRUCTURAL PROTEIN
methyllysine, chromodomain, histone H3, polycomb, lysine methylation, trimethyllysine, cation-pi, chromo, STRUCTURAL PROTEIN
PC_DROME
UNP
1
15
P26017
DNATDDPVDLVYAAEKIIQKRVKKGVVEYRVKWKGWNQRYNTWEPEVNILDRRLIDIYEQTNK
H33_HUMAN
UNP
2
15
P06351
APRKQLATKAARKSAPST
15
77
1PDQ
15
77
P26017
A
1
10
72
15
32
1PDQ
15
32
P06351
B
2
1
18
2
LYS
engineered mutation
M3L
27
1PDQ
B
P06351
UNP
27
13
4
anti-parallel
anti-parallel
anti-parallel
A
THR
56
A
THR
51
A
PRO
59
A
PRO
54
A
VAL
40
A
VAL
35
A
TRP
47
A
TRP
42
A
LEU
24
A
LEU
19
A
LYS
37
A
LYS
32
B
LYS
23
B
LYS
9
B
M3L
27
B
M3L
13
24
I 21 21 21