1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Yeh, H.J.C.
Sayer, J.M.
Liu, X.
Altieri, A.S.
Byrd, R.A.
Lakshman, M.K.
Yagi, H.
Schurter, E.J.
Gorenstein, D.G.
Jerina, D.M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C20 H16 O3
304.339
1,2,3-TRIHYDROXY-1,2,3,4-TETRAHYDROBENZO[A]PYRENE
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
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
C
Y
15
N
C
Y
16
N
C
N
17
R
C
N
18
N
O
N
19
R
C
N
20
N
O
N
21
R
C
N
22
N
O
N
23
N
C
N
24
N
H
N
25
N
H
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
O
N
41
N
P
N
42
N
O
N
43
N
O
N
44
N
O
N
45
N
C
N
46
R
C
N
47
N
O
N
48
S
C
N
49
N
O
N
50
N
C
N
51
R
C
Y
52
N
N
Y
53
N
C
Y
54
N
N
Y
55
N
C
Y
56
N
C
N
57
N
N
Y
58
N
N
Y
59
N
C
Y
60
N
N
Y
61
N
C
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
O
N
77
N
P
N
78
N
O
N
79
N
O
N
80
N
O
N
81
N
C
N
82
R
C
N
83
N
O
N
84
S
C
N
85
N
O
N
86
N
C
N
87
R
C
N
88
N
N
N
89
N
C
N
90
N
O
N
91
N
N
N
92
N
C
N
93
N
N
N
94
N
C
N
95
N
C
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
H
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
N
126
N
C
N
127
N
O
N
128
N
N
N
129
N
C
N
130
N
N
N
131
N
N
Y
132
N
C
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
H
N
147
N
O
N
148
N
P
N
149
N
O
N
150
N
O
N
151
N
O
N
152
N
C
N
153
R
C
N
154
N
O
N
155
S
C
N
156
N
O
N
157
N
C
N
158
R
C
N
159
N
N
N
160
N
C
N
161
N
O
N
162
N
N
N
163
N
C
N
164
N
O
N
165
N
C
N
166
N
C
N
167
N
C
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
H
N
181
N
H
N
182
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
Y
9
N
sing
Y
10
N
doub
N
11
N
sing
Y
12
N
sing
N
13
N
sing
Y
14
N
doub
Y
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
doub
Y
23
N
sing
Y
24
N
sing
N
25
N
sing
Y
26
N
doub
N
27
N
sing
Y
28
N
sing
Y
29
N
doub
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
doub
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
Y
67
N
sing
Y
68
N
sing
Y
69
N
doub
N
70
N
sing
Y
71
N
sing
Y
72
N
sing
Y
73
N
doub
N
74
N
sing
Y
75
N
doub
N
76
N
sing
N
77
N
sing
Y
78
N
sing
Y
79
N
doub
N
80
N
sing
Y
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
sing
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
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
doub
N
108
N
sing
N
109
N
doub
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
doub
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
doub
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
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
sing
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
doub
N
147
N
doub
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
doub
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
sing
N
180
N
sing
N
181
N
doub
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
doub
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
34
13570
13581
10.1021/bi00041a037
7577946
NMR solution structure of a nonanucleotide duplex with a dG mismatch opposite a 10S adduct derived from trans addition of a deoxyadenosine N6-amino group to (+)-(7R,8S,9S,10R)-7,8-dihydroxy-9,10-epoxy-7,8,9,10- tetrahydrobenzo[a]pyrene: an unusual syn glycosidic torsion angle at the modified dA
1995
10.2210/pdb1dxa/pdb
pdb_00001dxa
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
BENZO[A]PYRENE DIOL EPOXIDE ADDUCT OF DA
2780.836
DNA (5'-D(*GP*GP*TP*CP*AP*CP*GP*AP*G)-3')
1
syn
polymer
BENZO[A]PYRENE DIOL EPOXIDE ADDUCT OF DA
2716.787
DNA (5'-D(*CP*TP*CP*GP*GP*GP*AP*CP*C)-3')
1
syn
polymer
chemically synthesized
304.339
1,2,3-TRIHYDROXY-1,2,3,4-TETRAHYDROBENZO[A]PYRENE
1
syn
non-polymer
DEOXYRIBONUCLEIC ACID
DEOXYRIBONUCLEIC ACID
no
no
(DG)(DG)(DT)(DC)(DA)(DC)(DG)(DA)(DG)
GGTCACGAG
A
polydeoxyribonucleotide
no
no
(DC)(DT)(DC)(DG)(DG)(DG)(DA)(DC)(DC)
CTCGGGACC
B
polydeoxyribonucleotide
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
8.126
1
19
A
1
B
9
-1.433
A_DG1:DC9_B
1
-5.923
-0.950
0.123
-0.293
-2.005
1
19
A
2
B
8
-1.499
A_DG2:DC8_B
2
-10.092
-1.004
0.001
-0.354
5.711
1
20
A
3
B
7
1.754
A_DT3:DA7_B
3
-8.808
0.402
-0.015
-0.104
5.815
1
19
A
4
B
6
-1.811
A_DC4:DG6_B
4
-7.584
0.730
0.226
-0.217
41.195
9
A
5
B
5
90.797
A_DA5:DG5_B
5
21.481
-0.021
-1.217
-4.454
-26.293
1
19
A
6
B
4
-2.966
A_DC6:DG4_B
6
2.338
0.560
0.661
-0.086
10.862
1
19
A
7
B
3
3.263
A_DG7:DC3_B
7
-5.893
-1.226
0.223
-0.301
7.669
1
20
A
8
B
2
4.234
A_DA8:DT2_B
8
-13.597
-0.505
-0.130
-0.145
1.349
1
19
A
9
B
1
-2.969
A_DG9:DC1_B
9
-8.773
0.195
-0.174
-0.024
3.375
39.707
A
A
1
2
-0.157
B
B
9
8
3.373
-0.106
0.033
-0.951
AA_DG1DG2:DC8DC9_BB
1
1.027
-1.512
39.694
-1.388
0.075
2.944
41.911
A
A
2
3
4.558
B
B
8
7
2.990
3.257
0.024
-0.509
AA_DG2DT3:DA7DC8_BB
2
0.263
-0.368
41.789
-1.020
-0.008
3.036
33.785
A
A
3
4
8.960
B
B
7
6
3.150
5.186
0.560
-0.376
AA_DT3DC4:DG6DA7_BB
3
-1.244
2.149
33.373
-1.446
-1.154
-0.086
170.390
A
A
4
5
9.661
B
B
6
5
2.146
18.315
-0.267
-3.791
AA_DC4DA5:DG5DG6_BB
4
-169.400
89.354
2.982
-2.011
-0.867
0.254
157.326
A
A
5
6
-43.319
B
B
5
4
-1.793
-80.862
-1.494
-5.703
AA_DA5DC6:DG4DG5_BB
5
127.489
-68.297
76.680
-3.108
0.447
2.216
26.648
A
A
6
7
2.844
B
B
4
3
2.267
1.310
-0.783
-0.554
AA_DC6DG7:DC3DG4_BB
6
0.705
-1.530
26.607
-1.437
1.825
3.197
37.098
A
A
7
8
3.392
B
B
3
2
3.247
2.155
-0.259
-0.387
AA_DG7DA8:DT2DC3_BB
7
2.493
-3.923
36.957
-0.893
0.736
3.196
38.338
A
A
8
9
7.384
B
B
2
1
3.325
4.837
0.361
-0.851
AA_DA8DG9:DC1DT2_BB
8
-0.147
0.224
38.043
-1.901
-0.567
database_2
pdbx_database_status
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
struct_site
chem_comp_atom
chem_comp_bond
entity
pdbx_entity_src_syn
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Other
Data collection
Source and taxonomy
Structure summary
1
0
1995-12-07
1
1
2008-03-24
1
2
2011-07-13
1
3
2022-02-16
1
4
2024-03-13
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_struct_conn.pdbx_leaving_atom_flag
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
_entity.details
Y
BNL
1995-09-01
REL
REL
BAP
1,2,3-TRIHYDROXY-1,2,3,4-TETRAHYDROBENZO[A]PYRENE
chemically synthesized
sample
chemically synthesized
sample
(+)-(7R,8S,9S,10R)-7,8-DIHYDROXY-9,10-EPOXY-7,8,9,10- TETRAHYDROBENZO[A]PYRENE IS COVALENTLY BONDED TO THE EXOCYCLIC N6 AMINO GROUP OF DEOXYADENOSINE IN THE CENTER OF THE DUPLEX THROUGH TRANS ADDITION AT THE C10 OF THE EPOXIDE.
1
TWO STARTING STRUCTURES WITH BENZO[A]PYRENE MOIETY INSIDE THE DUPLEX AND OUTSIDE THE DUPLEX, RESPECTIVELY, WERE GENERATED BY CONNECTING A STANDARD B-TYPE DNA FRAGMENT WITH A MANUALLY BUILD (+)-DE2-[BAP] FRAGMENT. SOLUTION STRUCTURES FOR THE DUPLEX WERE GENERATED BY RESTRAINTED MOLECULAR DYNAMICS AND RESTRAINTED ENERGY MINIMIZATION USING A SET OF INTER-PROTON DISTANCE RESTRAINTS AND DIHEDRAL ANGLE RESTRAINTS WHICH WERE DERIVED FROM NMR EXPERIMENTS. SOME OF STRUCTURES WITH MINIMUM RESTRAINT VIOLATIONS WERE FURTHER REFINED BY THE ITERATIVE RELAXATION MATRIX ANALYSIS (IRMA) METHOD OVER 111 WELL-SEPARATED CROSS PEAKS IN NOESY SPECTRA RECORDED IN D2O AND MIXING TIMES OF 50, 80, 120, 160 AND 200 MS. THE STRUCTURE PRESENTED HERE WAS ONE OF THE FIVE REFINED AND MINIMIZED STRUCTURES. THE FOLLOWING RESTRAINTS WERE APPLIED IN THE MOLECULAR DYNAMICS/ENERGY MINIMIZATION CALCULATIONS. THESE WERE; (1) INTER-PROTON DISTANCE RESTRAINTS DIRECTLY DERIVED FROM NOE DATA; (2) BACKBONE DIHEDRAL ANGLE RESTRAINTS FOR A STANDARD B-DNA EXCEPT THOSE IMMEDIATELY ADJACENT TO THE MODIFIED RESIDUE; (3) DIHEDRAL ANGLE RESTRAINTS FOR ALL GLYCOSIDIC BONDS, EXCEPT MODIFIED DA RESIDUE IN THE CENTER; (4) HYDROGEN BOND RESTRAINTS (BOTH DISTANCE AND PLANARITY ) FOR ALL BASE-PAIRS EXCEPT CENTRAL DA-DG MISMATCH PAIR. THESE RESTRAINTS WERE JUSTIFIED BY THE FACT THAT THE MODIFIED DUPLEX DISPLAYED CHARACTERISTIC NMR SPECTRA OF A B-DNA EXCEPT NEAR LESION SITE, WHERE THE BAP MOIETY WAS INTERCALATED. THE MODIFIED DA RESIDUE DISPLAYED C3'-ENDO SUGAR RING AND A SYN GLYCOSIDIC BOND. IT ALSO FORMED A NON-WATSON-CRICK BASE PAIR WITH THE OPPOSITE DG.
ENERGY MINIMIZATION, MOLECULAR DYNAMICS
BIOSYM
refinement
NMRCHITECT
BAP
1
3
BAP
BAP
10
A
G
1
n
1
DG
1
A
G
2
n
2
DG
2
A
T
3
n
3
DT
3
A
C
4
n
4
DC
4
A
A
5
n
5
DA
5
A
C
6
n
6
DC
6
A
G
7
n
7
DG
7
A
A
8
n
8
DA
8
A
G
9
n
9
DG
9
A
C
1
n
1
DC
1
B
T
2
n
2
DT
2
B
C
3
n
3
DC
3
B
G
4
n
4
DG
4
B
G
5
n
5
DG
5
B
G
6
n
6
DG
6
B
A
7
n
7
DA
7
B
C
8
n
8
DC
8
B
C
9
n
9
DC
9
B
author_defined_assembly
2
dimeric
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
DG
2
0.096
SIDE CHAIN
1
A
DT
3
0.132
SIDE CHAIN
1
A
DA
5
0.082
SIDE CHAIN
1
A
DA
8
0.072
SIDE CHAIN
1
B
DT
2
0.115
SIDE CHAIN
1
2.49
0.30
108.30
110.79
A
A
A
O4'
C1'
N9
DG
DG
DG
1
1
1
N
1
4.22
0.30
108.30
112.52
A
A
A
O4'
C1'
N9
DG
DG
DG
2
2
2
N
1
-6.04
0.80
102.40
96.36
A
A
A
C3'
C2'
C1'
DA
DA
DA
5
5
5
N
1
4.22
0.30
108.30
112.52
A
A
A
O4'
C1'
N9
DA
DA
DA
5
5
5
N
1
4.26
0.30
108.30
112.56
A
A
A
O4'
C1'
N1
DC
DC
DC
6
6
6
N
1
2.06
0.30
108.30
110.36
A
A
A
O4'
C1'
N9
DA
DA
DA
8
8
8
N
1
3.87
0.30
108.30
112.17
A
A
A
O4'
C1'
N9
DG
DG
DG
9
9
9
N
1
-5.12
0.80
102.40
97.28
B
B
B
C3'
C2'
C1'
DC
DC
DC
1
1
1
N
1
5.17
0.30
108.30
113.47
B
B
B
O4'
C1'
N1
DC
DC
DC
1
1
1
N
1
2.92
0.30
108.30
111.22
B
B
B
O4'
C1'
N1
DC
DC
DC
3
3
3
N
1
1.94
0.30
108.30
110.24
B
B
B
O4'
C1'
N9
DG
DG
DG
4
4
4
N
1
3.37
0.30
108.30
111.67
B
B
B
O4'
C1'
N9
DG
DG
DG
5
5
5
N
1
3.36
0.30
108.30
111.67
B
B
B
O4'
C1'
N9
DG
DG
DG
6
6
6
N
1
2.91
0.30
108.30
111.21
B
B
B
O4'
C1'
N9
DA
DA
DA
7
7
7
N
1
2.37
0.30
108.30
110.67
B
B
B
O4'
C1'
N1
DC
DC
DC
8
8
8
N
1
2.29
0.30
108.30
110.59
B
B
B
O4'
C1'
N1
DC
DC
DC
9
9
9
N
BENZO[A]PYRENE DIOL EPOXIDE ADDUCT OF DA IN DUPLEX DNA
1
N
N
2
N
N
3
N
N
covale
1.470
none
A
DA
5
A
N6
DA
5
1_555
A
BAP
10
C
C4'
BAP
1_555
hydrog
WATSON-CRICK
A
DG
1
A
N1
DG
1
1_555
B
DC
9
B
N3
DC
9
1_555
hydrog
WATSON-CRICK
A
DG
1
A
N2
DG
1
1_555
B
DC
9
B
O2
DC
9
1_555
hydrog
WATSON-CRICK
A
DG
1
A
O6
DG
1
1_555
B
DC
9
B
N4
DC
9
1_555
hydrog
WATSON-CRICK
A
DG
2
A
N1
DG
2
1_555
B
DC
8
B
N3
DC
8
1_555
hydrog
WATSON-CRICK
A
DG
2
A
N2
DG
2
1_555
B
DC
8
B
O2
DC
8
1_555
hydrog
WATSON-CRICK
A
DG
2
A
O6
DG
2
1_555
B
DC
8
B
N4
DC
8
1_555
hydrog
WATSON-CRICK
A
DT
3
A
N3
DT
3
1_555
B
DA
7
B
N1
DA
7
1_555
hydrog
WATSON-CRICK
A
DT
3
A
O4
DT
3
1_555
B
DA
7
B
N6
DA
7
1_555
hydrog
WATSON-CRICK
A
DC
4
A
N3
DC
4
1_555
B
DG
6
B
N1
DG
6
1_555
hydrog
WATSON-CRICK
A
DC
4
A
N4
DC
4
1_555
B
DG
6
B
O6
DG
6
1_555
hydrog
WATSON-CRICK
A
DC
4
A
O2
DC
4
1_555
B
DG
6
B
N2
DG
6
1_555
hydrog
TYPE_9_PAIR
A
DA
5
A
N6
DA
5
1_555
B
DG
5
B
O6
DG
5
1_555
hydrog
TYPE_9_PAIR
A
DA
5
A
N7
DA
5
1_555
B
DG
5
B
N1
DG
5
1_555
hydrog
WATSON-CRICK
A
DC
6
A
N3
DC
6
1_555
B
DG
4
B
N1
DG
4
1_555
hydrog
WATSON-CRICK
A
DC
6
A
N4
DC
6
1_555
B
DG
4
B
O6
DG
4
1_555
hydrog
WATSON-CRICK
A
DC
6
A
O2
DC
6
1_555
B
DG
4
B
N2
DG
4
1_555
hydrog
WATSON-CRICK
A
DG
7
A
N1
DG
7
1_555
B
DC
3
B
N3
DC
3
1_555
hydrog
WATSON-CRICK
A
DG
7
A
N2
DG
7
1_555
B
DC
3
B
O2
DC
3
1_555
hydrog
WATSON-CRICK
A
DG
7
A
O6
DG
7
1_555
B
DC
3
B
N4
DC
3
1_555
hydrog
WATSON-CRICK
A
DA
8
A
N1
DA
8
1_555
B
DT
2
B
N3
DT
2
1_555
hydrog
WATSON-CRICK
A
DA
8
A
N6
DA
8
1_555
B
DT
2
B
O4
DT
2
1_555
hydrog
WATSON-CRICK
A
DG
9
A
N1
DG
9
1_555
B
DC
1
B
N3
DC
1
1_555
hydrog
WATSON-CRICK
A
DG
9
A
N2
DG
9
1_555
B
DC
1
B
O2
DC
1
1_555
hydrog
WATSON-CRICK
A
DG
9
A
O6
DG
9
1_555
B
DC
1
B
N4
DC
1
1_555
DNA
DOUBLE HELIX, BENZO[A]PYRENE DIOL EPOXIDE ADDUCT, DUPLEX DNA, NON-WATSON-CRICK BASE PAIR, DNA
1DXA
PDB
1
1DXA
1DXA
PDB
2
1DXA
1
9
1DXA
1
9
1DXA
A
1
1
9
1
9
1DXA
1
9
1DXA
B
2
1
9
BINDING SITE FOR RESIDUE BAP A 10
A
BAP
10
Software
4
A
DA
5
A
DA
5
4
1_555
A
DC
6
A
DC
6
4
1_555
B
DG
4
B
DG
4
4
1_555
B
DG
5
B
DG
5
4
1_555
1
P 1