0.033890
0.000000
0.000000
0.000000
0.018609
0.000000
0.000000
0.000000
0.024962
0.000000
0.000000
0.000000
Teixeira, S.C.M.
Thorpe, J.H.
Todd, A.K.
Powell, H.R.
Adams, A.
Wakelin, L.P.G.
Denny, W.A.
Cardin, C.J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
16
90.00
90.00
90.00
29.507
53.738
40.061
C44 H54 N8 O2
726.952
BIS-(9-OCTYLAMINO(2-DIMETHYLAMINOETHYL)ACRIDINE-4-CARBOXAMIDE
BIS-DACA
non-polymer
Co 2
58.933
COBALT (II) ION
non-polymer
C10 H14 N5 O6 P
331.222
y
2'-DEOXYADENOSINE-5'-MONOPHOSPHATE
DNA linking
C9 H14 N3 O7 P
307.197
y
2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE
DNA linking
C10 H14 N5 O7 P
347.221
y
2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE
DNA linking
C10 H15 N2 O8 P
322.208
y
THYMIDINE-5'-MONOPHOSPHATE
DNA linking
H2 O
18.015
WATER
non-polymer
Y
1
N
C
Y
2
N
C
Y
3
N
C
Y
4
N
C
Y
5
N
C
Y
6
N
C
Y
7
N
C
Y
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
N
N
15
N
N
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
C
N
22
N
N
N
23
N
C
N
24
N
C
N
25
N
N
N
26
N
C
N
27
N
C
N
28
N
C
N
29
N
C
N
30
N
C
N
31
N
C
N
32
N
N
Y
33
N
C
Y
34
N
C
Y
35
N
C
Y
36
N
C
Y
37
N
C
Y
38
N
C
Y
39
N
C
Y
40
N
C
Y
41
N
C
Y
42
N
C
Y
43
N
C
Y
44
N
C
Y
45
N
C
Y
46
N
N
N
47
N
C
N
48
N
O
N
49
N
N
N
50
N
C
N
51
N
C
N
52
N
N
N
53
N
C
N
54
N
C
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
H
N
65
N
H
N
66
N
H
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
H
N
75
N
H
N
76
N
H
N
77
N
H
N
78
N
H
N
79
N
H
N
80
N
H
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
H
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
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
CO
N
110
N
O
N
111
N
P
N
112
N
O
N
113
N
O
N
114
N
O
N
115
N
C
N
116
R
C
N
117
N
O
N
118
S
C
N
119
N
O
N
120
N
C
N
121
R
C
Y
122
N
N
Y
123
N
C
Y
124
N
N
Y
125
N
C
Y
126
N
C
N
127
N
N
Y
128
N
N
Y
129
N
C
Y
130
N
N
Y
131
N
C
N
132
N
H
N
133
N
H
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
H
N
145
N
H
N
146
N
O
N
147
N
P
N
148
N
O
N
149
N
O
N
150
N
O
N
151
N
C
N
152
R
C
N
153
N
O
N
154
S
C
N
155
N
O
N
156
N
C
N
157
R
C
N
158
N
N
N
159
N
C
N
160
N
O
N
161
N
N
N
162
N
C
N
163
N
N
N
164
N
C
N
165
N
C
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
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
O
N
181
N
P
N
182
N
O
N
183
N
O
N
184
N
O
N
185
N
C
N
186
R
C
N
187
N
O
N
188
S
C
N
189
N
O
N
190
N
C
N
191
R
C
Y
192
N
N
Y
193
N
C
Y
194
N
N
Y
195
N
C
N
196
N
C
N
197
N
O
N
198
N
N
N
199
N
C
N
200
N
N
N
201
N
N
Y
202
N
C
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
H
N
217
N
O
N
218
N
P
N
219
N
O
N
220
N
O
N
221
N
O
N
222
N
C
N
223
R
C
N
224
N
O
N
225
S
C
N
226
N
O
N
227
N
C
N
228
R
C
N
229
N
N
N
230
N
C
N
231
N
O
N
232
N
N
N
233
N
C
N
234
N
O
N
235
N
C
N
236
N
C
N
237
N
C
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
H
N
251
N
H
N
252
N
H
N
253
N
O
N
254
N
H
N
255
N
H
Y
1
N
doub
Y
2
N
sing
N
3
N
sing
Y
4
N
sing
N
5
N
sing
Y
6
N
doub
N
7
N
sing
Y
8
N
sing
N
9
N
sing
Y
10
N
doub
Y
11
N
sing
N
12
N
sing
Y
13
N
doub
Y
14
N
sing
N
15
N
sing
Y
16
N
sing
N
17
N
sing
Y
18
N
doub
N
19
N
sing
Y
20
N
sing
N
21
N
sing
Y
22
N
sing
Y
23
N
doub
Y
24
N
doub
Y
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
doub
N
29
N
sing
N
30
N
sing
N
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
Y
72
N
doub
Y
73
N
sing
N
74
N
sing
Y
75
N
sing
N
76
N
sing
Y
77
N
doub
N
78
N
sing
Y
79
N
sing
N
80
N
sing
Y
81
N
doub
Y
82
N
sing
Y
83
N
doub
Y
84
N
sing
N
85
N
sing
Y
86
N
sing
N
87
N
sing
Y
88
N
doub
N
89
N
sing
Y
90
N
sing
N
91
N
sing
Y
92
N
sing
Y
93
N
doub
Y
94
N
doub
Y
95
N
sing
N
96
N
doub
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
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
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
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
Y
137
N
sing
Y
138
N
sing
Y
139
N
doub
N
140
N
sing
Y
141
N
sing
Y
142
N
sing
Y
143
N
doub
N
144
N
sing
Y
145
N
doub
N
146
N
sing
N
147
N
sing
Y
148
N
sing
Y
149
N
doub
N
150
N
sing
Y
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
doub
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
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
doub
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
doub
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
doub
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
Y
210
N
sing
Y
211
N
sing
Y
212
N
doub
N
213
N
sing
Y
214
N
sing
N
215
N
sing
Y
216
N
doub
N
217
N
doub
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
doub
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
doub
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
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
doub
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
doub
N
256
N
sing
N
257
N
sing
N
258
N
doub
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
UK
J.MOL.BIOL.
JMOBAK
0070
0022-2836
323
167
171
10.1016/S0022-2836(02)00923-3
12381312
Structural Characterisation of Bisintercalation in Higher-order DNA at a Junction-like Quadruplex
2002
10.2210/pdb1k2l/pdb
pdb_00001k2l
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
100
1
IMAGE PLATE
1996-11-15
MARRESEARCH
Mirrors
SINGLE WAVELENGTH
M
x-ray
1
0.979
1.0
X31
EMBL/DESY, HAMBURG
0.979
SYNCHROTRON
EMBL/DESY, HAMBURG BEAMLINE X31
1809.217
5'-D(*CP*GP*TP*AP*CP*G)-3'
2
syn
polymer
58.933
COBALT (II) ION
2
syn
non-polymer
726.952
BIS-(9-OCTYLAMINO(2-DIMETHYLAMINOETHYL)ACRIDINE-4-CARBOXAMIDE
1
syn
non-polymer
18.015
water
16
nat
water
no
no
(DC)(DG)(DT)(DA)(DC)(DG)
CGTACG
A,B
polydeoxyribonucleotide
n
n
n
n
n
n
1
2.28
41.47
VAPOR DIFFUSION, SITTING DROP
6.5
Sodium cacodylate buffer, magnesium acetate, cobalt chloride, spermine, MPD, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 285.0K
285.0
Sodium cacodylate buffer
1
magnesium acetate
1
COCl2
1
spermine
1
MPD
1
magnesium acetate
2
COCl2
2
MPD
2
-25.477
1
19
A
2
B
5
-7.410
A_DG2:DC5_B
1
-1.731
-0.111
-0.730
-0.184
4.634
1
20
A
3
B
4
-5.287
A_DT3:DA4_B
2
-2.969
-0.631
-0.519
-0.056
-3.028
1
20
A
4
B
3
-0.139
A_DA4:DT3_B
3
4.782
-0.058
-0.047
0.071
11.249
1
19
A
5
B
2
0.509
A_DC5:DG2_B
4
6.819
0.358
-0.159
-0.143
2.569
23.750
A
A
2
3
5.308
B
B
5
4
2.537
2.179
-0.880
-0.289
AA_DG2DT3:DA4DC5_BB
1
-2.156
5.252
23.554
-1.266
1.582
3.411
39.944
A
A
3
4
5.965
B
B
4
3
3.510
4.063
0.239
-0.499
AA_DT3DA4:DT3DA4_BB
2
-3.572
5.243
39.591
-1.227
-0.787
2.855
26.760
A
A
4
5
15.005
B
B
3
2
3.041
6.866
0.209
-0.372
AA_DA4DC5:DG2DT3_BB
3
1.554
-3.397
25.834
-2.438
-0.082
chem_comp_atom
chem_comp_bond
database_2
diffrn_source
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2002-10-16
1
1
2008-04-27
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_diffrn_source.pdbx_synchrotron_site
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr1_symmetry
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.ptnr3_symmetry
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr1_symmetry
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_conn.ptnr2_symmetry
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
CRYSTAL STRUCTURE ANALYSIS OF D(CG(5-BRU)ACG) COMPLEXES TO A PHENAZINE
RCSB
Y
RCSB
2001-09-28
REL
REL
CO
COBALT (II) ION
BDC
BIS-(9-OCTYLAMINO(2-DIMETHYLAMINOETHYL)ACRIDINE-4-CARBOXAMIDE
HOH
water
COB
10
2
CO
CO
10
A
DAC
1000
3
BDC
BDC
1000
B
CO5
100
2
CO
CO
100
B
HOH
2000
4
HOH
HOH
2000
A
HOH
2001
4
HOH
HOH
2001
A
HOH
2002
4
HOH
HOH
2002
A
HOH
2004
4
HOH
HOH
2004
A
HOH
2007
4
HOH
HOH
2007
A
COB
10
4
HOH
HOH
2009
A
COB
10
4
HOH
HOH
2010
A
HOH
2003
4
HOH
HOH
2003
B
HOH
2005
4
HOH
HOH
2005
B
HOH
2006
4
HOH
HOH
2006
B
HOH
2008
4
HOH
HOH
2008
B
CO5
100
4
HOH
HOH
2011
B
CO5
100
4
HOH
HOH
2012
B
CO5
100
4
HOH
HOH
2013
B
CO5
100
4
HOH
HOH
2014
B
CO5
100
4
HOH
HOH
2015
B
C
1
n
1
DC
1
A
G
2
n
2
DG
2
A
T
3
n
3
DT
3
A
A
4
n
4
DA
4
A
C
5
n
5
DC
5
A
G
6
n
6
DG
6
A
C
1
n
1
DC
1
B
G
2
n
2
DG
2
B
T
3
n
3
DT
3
B
A
4
n
4
DA
4
B
C
5
n
5
DC
5
B
G
6
n
6
DG
6
B
0.2274
0.2452
0.2216
0.2388
0.2978
0.3268
78
92
4.6
4.7
1701
author_defined_assembly
2
dimeric
A
DG
6
A
N7
DG
6
1_555
A
CO
10
C
CO
CO
1_555
A
DG
6
A
N7
DG
6
3_556
175.0
A
DG
6
A
N7
DG
6
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2009
F
O
HOH
1_555
84.6
A
DG
6
A
N7
DG
6
3_556
A
CO
10
C
CO
CO
1_555
A
HOH
2009
F
O
HOH
1_555
92.0
A
DG
6
A
N7
DG
6
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2009
F
O
HOH
3_556
92.0
A
DG
6
A
N7
DG
6
3_556
A
CO
10
C
CO
CO
1_555
A
HOH
2009
F
O
HOH
3_556
84.6
A
HOH
2009
F
O
HOH
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2009
F
O
HOH
3_556
95.5
A
DG
6
A
N7
DG
6
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
1_555
92.7
A
DG
6
A
N7
DG
6
3_556
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
1_555
91.0
A
HOH
2009
F
O
HOH
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
1_555
89.2
A
HOH
2009
F
O
HOH
3_556
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
1_555
173.7
A
DG
6
A
N7
DG
6
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
3_556
91.0
A
DG
6
A
N7
DG
6
3_556
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
3_556
92.7
A
HOH
2009
F
O
HOH
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
3_556
173.7
A
HOH
2009
F
O
HOH
3_556
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
3_556
89.2
A
HOH
2010
F
O
HOH
1_555
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
3_556
86.4
B
DG
2
B
N7
DG
2
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2011
G
O
HOH
1_555
97.6
B
DG
2
B
N7
DG
2
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2012
G
O
HOH
1_555
95.7
B
HOH
2011
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2012
G
O
HOH
1_555
92.7
B
DG
2
B
N7
DG
2
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2013
G
O
HOH
1_555
94.9
B
HOH
2011
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2013
G
O
HOH
1_555
87.9
B
HOH
2012
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2013
G
O
HOH
1_555
169.3
B
DG
2
B
N7
DG
2
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2014
G
O
HOH
1_555
88.7
B
HOH
2011
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2014
G
O
HOH
1_555
172.5
B
HOH
2012
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2014
G
O
HOH
1_555
90.9
B
HOH
2013
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2014
G
O
HOH
1_555
87.3
B
DG
2
B
N7
DG
2
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2015
G
O
HOH
1_555
174.0
B
HOH
2011
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2015
G
O
HOH
1_555
87.7
B
HOH
2012
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2015
G
O
HOH
1_555
87.0
B
HOH
2013
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2015
G
O
HOH
1_555
82.4
B
HOH
2014
G
O
HOH
1_555
B
CO
100
E
CO
CO
1_555
B
HOH
2015
G
O
HOH
1_555
85.9
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
CO
10
C
CO
1
B
O5'
DC
1
B
O5'
DC
1
1
Y
1
B
C5'
DC
1
B
C5'
DC
1
1
Y
1
B
C4'
DC
1
B
C4'
DC
1
1
Y
1
B
O4'
DC
1
B
O4'
DC
1
1
Y
1
B
C3'
DC
1
B
C3'
DC
1
1
Y
1
B
C2'
DC
1
B
C2'
DC
1
1
Y
1
B
C1'
DC
1
B
C1'
DC
1
1
Y
1
B
N1
DC
1
B
N1
DC
1
1
Y
1
B
C2
DC
1
B
C2
DC
1
1
Y
1
B
O2
DC
1
B
O2
DC
1
1
Y
1
B
N3
DC
1
B
N3
DC
1
1
Y
1
B
C4
DC
1
B
C4
DC
1
1
Y
1
B
N4
DC
1
B
N4
DC
1
1
Y
1
B
C5
DC
1
B
C5
DC
1
1
Y
1
B
C6
DC
1
B
C6
DC
1
1
Y
1
B
OP1
DC
5
B
OP1
DC
5
1
Y
1
B
CF4
BDC
1000
D
CF4
BDC
1
1
N
1
B
CF3
BDC
1000
D
CF3
BDC
1
1
N
1
B
CF2
BDC
1000
D
CF2
BDC
1
1
N
1
B
CF1
BDC
1000
D
CF1
BDC
1
1
N
1
B
N9'
BDC
1000
D
N9'
BDC
1
1
N
1
B
C5'
BDC
1000
D
C5'
BDC
1
1
N
1
B
C6'
BDC
1000
D
C6'
BDC
1
1
N
1
B
C7'
BDC
1000
D
C7'
BDC
1
1
N
1
B
C8'
BDC
1000
D
C8'
BDC
1
1
N
1
B
C9'
BDC
1000
D
C9'
BDC
1
1
N
1
B
C1'
BDC
1000
D
C1'
BDC
1
1
N
1
B
C2'
BDC
1000
D
C2'
BDC
1
1
N
1
B
C3'
BDC
1000
D
C3'
BDC
1
1
N
1
B
C4'
BDC
1000
D
C4'
BDC
1
1
N
1
B
CE'
BDC
1000
D
CE'
BDC
1
1
N
1
B
CD'
BDC
1000
D
CD'
BDC
1
1
N
1
B
CB'
BDC
1000
D
CB'
BDC
1
1
N
1
B
CC'
BDC
1000
D
CC'
BDC
1
1
N
1
B
NA'
BDC
1000
D
NA'
BDC
1
1
N
1
B
CB1
BDC
1000
D
CB1
BDC
1
1
N
1
B
O1X
BDC
1000
D
O1X
BDC
1
1
N
1
B
NB1
BDC
1000
D
NB1
BDC
1
1
N
1
B
CB2
BDC
1000
D
CB2
BDC
1
1
N
1
B
CB3
BDC
1000
D
CB3
BDC
1
1
N
1
B
NB2
BDC
1000
D
NB2
BDC
1
1
N
1
B
CB7
BDC
1000
D
CB7
BDC
1
1
N
1
B
CB8
BDC
1000
D
CB8
BDC
1
1
N
1
24.03
1.40
114.30
138.33
A
A
A
N1
C1'
C2'
DC
DC
DC
1
1
1
N
1
-6.03
0.70
108.00
101.97
A
A
A
O4'
C1'
N1
DC
DC
DC
1
1
1
N
1
8.26
1.20
119.70
127.96
A
A
A
C3'
O3'
P
DC
DC
DG
1
1
2
Y
1
-4.96
0.80
109.40
104.44
A
A
A
O5'
C5'
C4'
DG
DG
DG
2
2
2
N
1
-7.99
0.70
108.00
100.01
A
A
A
O4'
C1'
N9
DG
DG
DG
2
2
2
N
1
-5.45
0.70
108.00
102.55
A
A
A
O4'
C1'
N9
DA
DA
DA
4
4
4
N
1
9.13
1.50
119.60
128.73
A
A
A
OP1
P
OP2
DC
DC
DC
5
5
5
N
1
18.34
1.40
114.30
132.64
A
A
A
N1
C1'
C2'
DC
DC
DC
5
5
5
N
1
-4.92
0.70
108.00
103.08
A
A
A
O4'
C1'
N1
DC
DC
DC
5
5
5
N
1
10.33
1.60
120.90
131.23
A
A
A
P
O5'
C5'
DG
DG
DG
6
6
6
N
1
-9.97
0.70
108.00
98.03
A
A
A
O4'
C1'
N9
DG
DG
DG
6
6
6
N
1
-13.46
1.80
114.10
100.64
B
B
B
C5'
C4'
C3'
DG
DG
DG
2
2
2
N
1
6.79
0.90
103.10
109.89
B
B
B
C4'
C3'
C2'
DG
DG
DG
2
2
2
N
1
9.18
1.40
114.30
123.48
B
B
B
N9
C1'
C2'
DG
DG
DG
2
2
2
N
1
-11.63
0.70
108.00
96.37
B
B
B
O4'
C1'
N9
DG
DG
DG
2
2
2
N
1
9.70
1.20
119.70
129.40
B
B
B
C3'
O3'
P
DG
DG
DT
2
2
3
Y
1
-14.44
1.90
104.00
89.56
B
B
B
O3'
P
O5'
DG
DT
DT
2
3
3
Y
1
15.84
1.10
110.50
126.34
B
B
B
O3'
P
OP2
DG
DT
DT
2
3
3
Y
1
12.24
1.60
120.90
133.14
B
B
B
P
O5'
C5'
DT
DT
DT
3
3
3
N
1
12.37
1.10
109.80
122.17
B
B
B
C5'
C4'
O4'
DT
DT
DT
3
3
3
N
1
14.39
1.40
114.30
128.69
B
B
B
N1
C1'
C2'
DT
DT
DT
3
3
3
N
1
-4.91
0.70
108.00
103.09
B
B
B
O4'
C1'
N1
DT
DT
DT
3
3
3
N
1
-7.98
0.80
109.40
101.42
B
B
B
O5'
C5'
C4'
DA
DA
DA
4
4
4
N
1
8.71
1.40
114.30
123.01
B
B
B
N9
C1'
C2'
DA
DA
DA
4
4
4
N
1
-7.82
0.70
108.00
100.18
B
B
B
O4'
C1'
N9
DA
DA
DA
4
4
4
N
1
9.40
1.40
114.30
123.70
B
B
B
N1
C1'
C2'
DC
DC
DC
5
5
5
N
1
2.74
0.40
120.30
123.04
B
B
B
C6
N1
C2
DC
DC
DC
5
5
5
N
1
15.29
1.60
120.90
136.19
B
B
B
P
O5'
C5'
DG
DG
DG
6
6
6
N
1
10.89
1.40
114.30
125.19
B
B
B
N9
C1'
C2'
DG
DG
DG
6
6
6
N
1
-6.73
0.70
108.00
101.27
B
B
B
O4'
C1'
N9
DG
DG
DG
6
6
6
N
1
A
A
C5'
C4'
DG
DG
2
2
0.045
0.007
1.512
1.557
N
1
A
A
C1'
N9
DG
DG
2
2
0.095
0.013
1.488
1.583
N
1
A
A
O4'
C1'
DT
DT
3
3
0.077
0.011
1.420
1.497
N
1
A
A
C1'
N9
DG
DG
6
6
0.106
0.013
1.488
1.594
N
1
B
B
O4'
C1'
DG
DG
2
2
0.082
0.011
1.420
1.502
N
1
B
B
C1'
N9
DG
DG
2
2
0.097
0.013
1.488
1.585
N
1
B
B
O4'
C1'
DA
DA
4
4
0.067
0.011
1.420
1.487
N
1
B
B
O4'
C1'
DG
DG
6
6
0.073
0.011
1.420
1.493
N
1
B
B
C1'
N9
DG
DG
6
6
0.092
0.013
1.488
1.580
N
1
B
B
CE4
CE4
BDC
BDC
1000
1000
1.52
1_555
2_475
0.3091
0.239
0.3268
0.2452
2.40
9.00
848
92
1971
1217
1140
4.7
RANDOM
1
FREE R
4
MOLECULAR REPLACEMENT
ENGH AND HUBER
0
0.00
264.00
2.40
9.00
9
269
36
224
0
0.026
0.000
0.016
0.0001
0.000
0.000
0.053
0.000
0.009
0.000
0.322
2.48
95.38
2.28
13.5
1K2L
2063
2063
2
-3.0
0.071
1
11.57
88.06
2.28
2.36
93.8
data reduction
DENZO
data scaling
SCALEPACK
refinement
SHELXL
refinement
SHELXL-97
STRUCTURAL CHARACTERIZATION OF BISINTERCALATION IN HIGHER-ORDER DNA AT A JUNCTION-LIKE QUADRUPLEX
1
N
N
1
N
N
2
N
N
3
N
N
2
N
N
4
N
N
4
N
N
metalc
1.902
A
DG
6
A
N7
DG
6
1_555
A
CO
10
C
CO
CO
1_555
metalc
1.901
A
DG
6
A
N7
DG
6
3_556
A
CO
10
C
CO
CO
1_555
metalc
1.937
A
CO
10
C
CO
CO
1_555
A
HOH
2009
F
O
HOH
1_555
metalc
1.938
A
CO
10
C
CO
CO
1_555
A
HOH
2009
F
O
HOH
3_556
metalc
2.043
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
1_555
metalc
2.043
A
CO
10
C
CO
CO
1_555
A
HOH
2010
F
O
HOH
3_556
metalc
1.916
B
DG
2
B
N7
DG
2
1_555
B
CO
100
E
CO
CO
1_555
metalc
1.989
B
CO
100
E
CO
CO
1_555
B
HOH
2011
G
O
HOH
1_555
metalc
1.943
B
CO
100
E
CO
CO
1_555
B
HOH
2012
G
O
HOH
1_555
metalc
2.061
B
CO
100
E
CO
CO
1_555
B
HOH
2013
G
O
HOH
1_555
metalc
2.044
B
CO
100
E
CO
CO
1_555
B
HOH
2014
G
O
HOH
1_555
metalc
2.107
B
CO
100
E
CO
CO
1_555
B
HOH
2015
G
O
HOH
1_555
hydrog
WATSON-CRICK
A
DG
2
A
N1
DG
2
1_555
B
DC
5
B
N3
DC
5
1_555
hydrog
WATSON-CRICK
A
DG
2
A
N2
DG
2
1_555
B
DC
5
B
O2
DC
5
1_555
hydrog
WATSON-CRICK
A
DG
2
A
O6
DG
2
1_555
B
DC
5
B
N4
DC
5
1_555
hydrog
WATSON-CRICK
A
DT
3
A
N3
DT
3
1_555
B
DA
4
B
N1
DA
4
1_555
hydrog
WATSON-CRICK
A
DT
3
A
O4
DT
3
1_555
B
DA
4
B
N6
DA
4
1_555
hydrog
WATSON-CRICK
A
DA
4
A
N1
DA
4
1_555
B
DT
3
B
N3
DT
3
1_555
hydrog
WATSON-CRICK
A
DA
4
A
N6
DA
4
1_555
B
DT
3
B
O4
DT
3
1_555
hydrog
WATSON-CRICK
A
DC
5
A
N3
DC
5
1_555
B
DG
2
B
N1
DG
2
1_555
hydrog
WATSON-CRICK
A
DC
5
A
N4
DC
5
1_555
B
DG
2
B
O6
DG
2
1_555
hydrog
WATSON-CRICK
A
DC
5
A
O2
DC
5
1_555
B
DG
2
B
N2
DG
2
1_555
DNA
DNA Strand Exchange, quadruplex, bisintercalation, DNA
1K2L
PDB
1
1K2L
1
6
1K2L
1
6
1K2L
A
1
1
6
1
6
1K2L
1
6
1K2L
B
1
1
6
BINDING SITE FOR RESIDUE BDC B 1000
B
BDC
1000
Software
5
BINDING SITE FOR RESIDUE CO A 10
A
CO
10
Software
6
BINDING SITE FOR RESIDUE CO B 100
B
CO
100
Software
6
A
DC
1
A
DC
1
5
3_455
A
DG
2
A
DG
2
5
2_475
A
DG
2
A
DG
2
5
1_555
B
DC
5
B
DC
5
5
1_555
B
DG
6
B
DG
6
5
1_555
A
DG
6
A
DG
6
6
1_555
A
DG
6
A
DG
6
6
3_556
A
HOH
2009
F
HOH
6
3_556
A
HOH
2009
F
HOH
6
1_555
A
HOH
2010
F
HOH
6
3_556
A
HOH
2010
F
HOH
6
1_555
B
DG
2
B
DG
2
6
1_555
B
HOH
2011
G
HOH
6
1_555
B
HOH
2012
G
HOH
6
1_555
B
HOH
2013
G
HOH
6
1_555
B
HOH
2014
G
HOH
6
1_555
B
HOH
2015
G
HOH
6
1_555
21
C 2 2 2