0.025687
0.000000
0.000000
0.000000
0.025233
0.000000
0.000000
0.000000
0.030030
0.00000
0.00000
0.00000
Grzeskowiak, K.
Yanagi, K.
Prive, G.G.
Dickerson, R.E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
38.930
39.630
33.300
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
Mg 2
24.305
MAGNESIUM ION
non-polymer
N
1
N
O
N
2
N
P
N
3
N
O
N
4
N
O
N
5
N
O
N
6
N
C
N
7
R
C
N
8
N
O
N
9
S
C
N
10
N
O
N
11
N
C
N
12
R
C
Y
13
N
N
Y
14
N
C
Y
15
N
N
Y
16
N
C
Y
17
N
C
N
18
N
N
Y
19
N
N
Y
20
N
C
Y
21
N
N
Y
22
N
C
N
23
N
H
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
O
N
38
N
P
N
39
N
O
N
40
N
O
N
41
N
O
N
42
N
C
N
43
R
C
N
44
N
O
N
45
S
C
N
46
N
O
N
47
N
C
N
48
R
C
N
49
N
N
N
50
N
C
N
51
N
O
N
52
N
N
N
53
N
C
N
54
N
N
N
55
N
C
N
56
N
C
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
O
N
72
N
P
N
73
N
O
N
74
N
O
N
75
N
O
N
76
N
C
N
77
R
C
N
78
N
O
N
79
S
C
N
80
N
O
N
81
N
C
N
82
R
C
Y
83
N
N
Y
84
N
C
Y
85
N
N
Y
86
N
C
N
87
N
C
N
88
N
O
N
89
N
N
N
90
N
C
N
91
N
N
N
92
N
N
Y
93
N
C
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
O
N
109
N
P
N
110
N
O
N
111
N
O
N
112
N
O
N
113
N
C
N
114
R
C
N
115
N
O
N
116
S
C
N
117
N
O
N
118
N
C
N
119
R
C
N
120
N
N
N
121
N
C
N
122
N
O
N
123
N
N
N
124
N
C
N
125
N
O
N
126
N
C
N
127
N
C
N
128
N
C
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
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
MG
N
1
N
sing
N
2
N
sing
N
3
N
doub
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
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
sing
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
Y
24
N
sing
Y
25
N
sing
Y
26
N
doub
N
27
N
sing
Y
28
N
sing
Y
29
N
sing
Y
30
N
doub
N
31
N
sing
Y
32
N
doub
N
33
N
sing
N
34
N
sing
Y
35
N
sing
Y
36
N
doub
N
37
N
sing
Y
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
doub
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
doub
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
doub
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
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
Y
97
N
sing
Y
98
N
sing
Y
99
N
doub
N
100
N
sing
Y
101
N
sing
N
102
N
sing
Y
103
N
doub
N
104
N
doub
N
105
N
sing
N
106
N
sing
N
107
N
sing
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
sing
N
115
N
doub
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
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
doub
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
doub
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
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
266
8861
8883
2026600
The structure of B-helical C-G-A-T-C-G-A-T-C-G and comparison with C-C-A-A-C-G-T-T-G-G. The effect of base pair reversals.
1991
10.2210/pdb1d23/pdb
pdb_00001d23
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
273.00
1
DIFFRACTOMETER
RIGAKU AFC-5R
x-ray
1
1.0
ROTATING ANODE
3045.004
DNA (5'-D(*CP*GP*AP*TP*CP*GP*AP*TP*CP*G)-3')
2
syn
polymer
24.305
MAGNESIUM ION
2
syn
non-polymer
18.015
water
154
nat
water
no
no
(DC)(DG)(DA)(DT)(DC)(DG)(DA)(DT)(DC)(DG)
CGATCGATCG
A,B
polydeoxyribonucleotide
n
n
n
n
n
n
n
n
n
n
2.11
41.68
VAPOR DIFFUSION, SITTING DROP
VAPOR DIFFUSION, SITTING DROP, temperature 277.00K
277.00
WATER
1
MPD
1
MGCL2
1
WATER
2
MPD
2
8.439
1
19
A
1
B
20
0.963
A_DC1:DG20_B
1
1.032
0.144
-0.082
-0.190
14.490
1
19
A
2
B
19
-1.998
A_DG2:DC19_B
2
-14.408
-0.114
0.283
-0.107
-2.184
1
20
A
3
B
18
0.047
A_DA3:DT18_B
3
-10.611
0.023
0.002
-0.099
4.165
1
20
A
4
B
17
1.029
A_DT4:DA17_B
4
-13.706
0.015
0.220
-0.184
-4.763
1
19
A
5
B
16
-0.401
A_DC5:DG16_B
5
-17.390
0.138
0.070
-0.215
0.101
1
19
A
6
B
15
-3.820
A_DG6:DC15_B
6
-10.087
0.007
-0.001
-0.153
-2.183
1
20
A
7
B
14
-1.529
A_DA7:DT14_B
7
-11.877
0.022
0.034
-0.107
4.109
1
20
A
8
B
13
1.142
A_DT8:DA13_B
8
-15.567
-0.099
0.182
-0.140
-8.726
1
19
A
9
B
12
-1.712
A_DC9:DG12_B
9
-15.066
0.164
0.110
-0.155
-6.393
1
19
A
10
B
11
-2.791
A_DG10:DC11_B
10
-3.826
0.082
-0.060
-0.178
3.293
37.763
A
A
1
2
0.210
B
B
20
19
3.277
0.136
-0.501
0.862
AA_DC1DG2:DC19DG20_BB
1
-1.079
1.667
37.748
1.315
0.635
3.674
42.511
A
A
2
3
-1.529
B
B
19
18
3.664
-1.109
0.202
-0.386
AA_DG2DA3:DT18DC19_BB
2
0.565
-0.779
42.494
-0.406
-0.214
3.087
33.203
A
A
3
4
0.212
B
B
18
17
3.129
0.121
0.362
-0.646
AA_DA3DT4:DA17DT18_BB
3
-2.774
4.859
33.090
-1.150
-1.076
3.329
40.534
A
A
4
5
-6.399
B
B
17
16
3.345
-4.423
-0.027
-0.106
AA_DT4DC5:DG16DA17_BB
4
2.581
-3.734
40.222
0.352
0.334
3.301
29.469
A
A
5
6
22.065
B
B
16
15
3.338
10.964
-0.211
0.550
AA_DC5DG6:DC15DG16_BB
5
0.859
-1.728
27.382
-1.385
0.608
3.336
40.137
A
A
6
7
-2.541
B
B
15
14
3.333
-1.741
-0.472
0.541
AA_DG6DA7:DT14DC15_BB
6
-3.752
5.477
39.932
0.991
0.251
3.218
33.508
A
A
7
8
-6.848
B
B
14
13
3.195
-3.940
-0.042
-0.387
AA_DA7DT8:DA13DT14_BB
7
-0.065
0.114
33.282
-0.034
0.062
3.520
44.170
A
A
8
9
-3.566
B
B
13
12
3.528
-2.680
-0.147
0.004
AA_DT8DC9:DG12DA13_BB
8
0.485
-0.645
44.090
0.276
0.245
3.466
35.990
A
A
9
10
5.081
B
B
12
11
3.349
3.135
0.775
1.216
AA_DC9DG10:DC11DG12_BB
9
1.350
-2.188
35.833
1.502
-1.053
chem_comp_atom
chem_comp_bond
database_2
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
1991-10-15
1
1
2008-05-22
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr2_auth_asym_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_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.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_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
BNL
Y
BNL
1991-05-29
REL
REL
MG
MAGNESIUM ION
HOH
water
MO6
22
2
MG
MG
22
A
MO6
21
2
MG
MG
21
B
HOH
23
3
HOH
HOH
23
A
HOH
24
3
HOH
HOH
24
A
HOH
26
3
HOH
HOH
26
A
HOH
27
3
HOH
HOH
27
A
HOH
28
3
HOH
HOH
28
A
HOH
29
3
HOH
HOH
29
A
HOH
30
3
HOH
HOH
30
A
HOH
31
3
HOH
HOH
31
A
HOH
39
3
HOH
HOH
39
A
HOH
41
3
HOH
HOH
41
A
HOH
42
3
HOH
HOH
42
A
HOH
43
3
HOH
HOH
43
A
HOH
44
3
HOH
HOH
44
A
HOH
45
3
HOH
HOH
45
A
HOH
46
3
HOH
HOH
46
A
HOH
47
3
HOH
HOH
47
A
HOH
48
3
HOH
HOH
48
A
HOH
49
3
HOH
HOH
49
A
HOH
50
3
HOH
HOH
50
A
HOH
51
3
HOH
HOH
51
A
HOH
52
3
HOH
HOH
52
A
HOH
67
3
HOH
HOH
67
A
HOH
68
3
HOH
HOH
68
A
HOH
73
3
HOH
HOH
73
A
HOH
74
3
HOH
HOH
74
A
HOH
75
3
HOH
HOH
75
A
HOH
76
3
HOH
HOH
76
A
HOH
79
3
HOH
HOH
79
A
HOH
80
3
HOH
HOH
80
A
HOH
82
3
HOH
HOH
82
A
HOH
86
3
HOH
HOH
86
A
HOH
87
3
HOH
HOH
87
A
HOH
88
3
HOH
HOH
88
A
HOH
90
3
HOH
HOH
90
A
HOH
92
3
HOH
HOH
92
A
HOH
93
3
HOH
HOH
93
A
HOH
94
3
HOH
HOH
94
A
HOH
95
3
HOH
HOH
95
A
HOH
96
3
HOH
HOH
96
A
HOH
97
3
HOH
HOH
97
A
HOH
98
3
HOH
HOH
98
A
HOH
99
3
HOH
HOH
99
A
HOH
100
3
HOH
HOH
100
A
HOH
101
3
HOH
HOH
101
A
HOH
102
3
HOH
HOH
102
A
HOH
103
3
HOH
HOH
103
A
HOH
104
3
HOH
HOH
104
A
HOH
105
3
HOH
HOH
105
A
HOH
106
3
HOH
HOH
106
A
HOH
107
3
HOH
HOH
107
A
HOH
108
3
HOH
HOH
108
A
HOH
124
3
HOH
HOH
124
A
HOH
125
3
HOH
HOH
125
A
HOH
127
3
HOH
HOH
127
A
HOH
128
3
HOH
HOH
128
A
HOH
129
3
HOH
HOH
129
A
HOH
134
3
HOH
HOH
134
A
HOH
136
3
HOH
HOH
136
A
HOH
137
3
HOH
HOH
137
A
HOH
139
3
HOH
HOH
139
A
HOH
144
3
HOH
HOH
144
A
HOH
146
3
HOH
HOH
146
A
HOH
147
3
HOH
HOH
147
A
HOH
148
3
HOH
HOH
148
A
HOH
149
3
HOH
HOH
149
A
HOH
150
3
HOH
HOH
150
A
HOH
152
3
HOH
HOH
152
A
HOH
154
3
HOH
HOH
154
A
HOH
156
3
HOH
HOH
156
A
HOH
157
3
HOH
HOH
157
A
HOH
158
3
HOH
HOH
158
A
HOH
159
3
HOH
HOH
159
A
HOH
162
3
HOH
HOH
162
A
HOH
163
3
HOH
HOH
163
A
HOH
164
3
HOH
HOH
164
A
MO6
21
3
HOH
HOH
166
A
MO6
21
3
HOH
HOH
167
A
MO6
21
3
HOH
HOH
169
A
MO6
21
3
HOH
HOH
170
A
MO6
22
3
HOH
HOH
171
A
MO6
22
3
HOH
HOH
174
A
MO6
22
3
HOH
HOH
175
A
MO6
22
3
HOH
HOH
176
A
HOH
25
3
HOH
HOH
25
B
HOH
32
3
HOH
HOH
32
B
HOH
33
3
HOH
HOH
33
B
HOH
34
3
HOH
HOH
34
B
HOH
35
3
HOH
HOH
35
B
HOH
36
3
HOH
HOH
36
B
HOH
37
3
HOH
HOH
37
B
HOH
38
3
HOH
HOH
38
B
HOH
40
3
HOH
HOH
40
B
HOH
53
3
HOH
HOH
53
B
HOH
54
3
HOH
HOH
54
B
HOH
55
3
HOH
HOH
55
B
HOH
56
3
HOH
HOH
56
B
HOH
57
3
HOH
HOH
57
B
HOH
58
3
HOH
HOH
58
B
HOH
59
3
HOH
HOH
59
B
HOH
60
3
HOH
HOH
60
B
HOH
61
3
HOH
HOH
61
B
HOH
62
3
HOH
HOH
62
B
HOH
63
3
HOH
HOH
63
B
HOH
64
3
HOH
HOH
64
B
HOH
65
3
HOH
HOH
65
B
HOH
66
3
HOH
HOH
66
B
HOH
69
3
HOH
HOH
69
B
HOH
70
3
HOH
HOH
70
B
HOH
71
3
HOH
HOH
71
B
HOH
72
3
HOH
HOH
72
B
HOH
77
3
HOH
HOH
77
B
HOH
78
3
HOH
HOH
78
B
HOH
81
3
HOH
HOH
81
B
HOH
83
3
HOH
HOH
83
B
HOH
84
3
HOH
HOH
84
B
HOH
85
3
HOH
HOH
85
B
HOH
89
3
HOH
HOH
89
B
HOH
91
3
HOH
HOH
91
B
HOH
109
3
HOH
HOH
109
B
HOH
110
3
HOH
HOH
110
B
HOH
111
3
HOH
HOH
111
B
HOH
112
3
HOH
HOH
112
B
HOH
113
3
HOH
HOH
113
B
HOH
114
3
HOH
HOH
114
B
HOH
115
3
HOH
HOH
115
B
HOH
116
3
HOH
HOH
116
B
HOH
117
3
HOH
HOH
117
B
HOH
118
3
HOH
HOH
118
B
HOH
119
3
HOH
HOH
119
B
HOH
120
3
HOH
HOH
120
B
HOH
121
3
HOH
HOH
121
B
HOH
122
3
HOH
HOH
122
B
HOH
123
3
HOH
HOH
123
B
HOH
126
3
HOH
HOH
126
B
HOH
130
3
HOH
HOH
130
B
HOH
131
3
HOH
HOH
131
B
HOH
132
3
HOH
HOH
132
B
HOH
133
3
HOH
HOH
133
B
HOH
135
3
HOH
HOH
135
B
HOH
138
3
HOH
HOH
138
B
HOH
140
3
HOH
HOH
140
B
HOH
141
3
HOH
HOH
141
B
HOH
142
3
HOH
HOH
142
B
HOH
143
3
HOH
HOH
143
B
HOH
145
3
HOH
HOH
145
B
HOH
151
3
HOH
HOH
151
B
HOH
153
3
HOH
HOH
153
B
HOH
155
3
HOH
HOH
155
B
HOH
160
3
HOH
HOH
160
B
HOH
161
3
HOH
HOH
161
B
MO6
21
3
HOH
HOH
165
B
MO6
21
3
HOH
HOH
168
B
MO6
22
3
HOH
HOH
172
B
MO6
22
3
HOH
HOH
173
B
C
1
n
1
DC
1
A
G
2
n
2
DG
2
A
A
3
n
3
DA
3
A
T
4
n
4
DT
4
A
C
5
n
5
DC
5
A
G
6
n
6
DG
6
A
A
7
n
7
DA
7
A
T
8
n
8
DT
8
A
C
9
n
9
DC
9
A
G
10
n
10
DG
10
A
C
11
n
1
DC
11
B
G
12
n
2
DG
12
B
A
13
n
3
DA
13
B
T
14
n
4
DT
14
B
C
15
n
5
DC
15
B
G
16
n
6
DG
16
B
A
17
n
7
DA
17
B
T
18
n
8
DT
18
B
C
19
n
9
DC
19
B
G
20
n
10
DG
20
B
author_defined_assembly
2
dimeric
A
HOH
171
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
A
HOH
174
E
O
HOH
1_555
90.2
A
HOH
171
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
A
HOH
175
E
O
HOH
1_555
91.5
A
HOH
174
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
A
HOH
175
E
O
HOH
1_555
89.1
A
HOH
171
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
A
HOH
176
E
O
HOH
1_555
89.9
A
HOH
174
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
A
HOH
176
E
O
HOH
1_555
89.2
A
HOH
175
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
A
HOH
176
E
O
HOH
1_555
177.8
A
HOH
171
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
172
F
O
HOH
1_555
178.4
A
HOH
174
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
172
F
O
HOH
1_555
88.8
A
HOH
175
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
172
F
O
HOH
1_555
89.8
A
HOH
176
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
172
F
O
HOH
1_555
88.8
A
HOH
171
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
173
F
O
HOH
1_555
92.2
A
HOH
174
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
173
F
O
HOH
1_555
177.4
A
HOH
175
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
173
F
O
HOH
1_555
91.8
A
HOH
176
E
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
173
F
O
HOH
1_555
89.9
B
HOH
172
F
O
HOH
1_555
A
MG
22
C
MG
MG
1_555
B
HOH
173
F
O
HOH
1_555
88.7
A
HOH
166
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
A
HOH
167
E
O
HOH
1_555
89.8
A
HOH
166
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
A
HOH
169
E
O
HOH
1_555
88.9
A
HOH
167
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
A
HOH
169
E
O
HOH
1_555
89.6
A
HOH
166
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
A
HOH
170
E
O
HOH
1_555
88.0
A
HOH
167
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
A
HOH
170
E
O
HOH
1_555
91.0
A
HOH
169
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
A
HOH
170
E
O
HOH
1_555
176.8
A
HOH
166
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
165
F
O
HOH
1_555
178.5
A
HOH
167
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
165
F
O
HOH
1_555
89.0
A
HOH
169
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
165
F
O
HOH
1_555
90.1
A
HOH
170
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
165
F
O
HOH
1_555
93.0
A
HOH
166
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
168
F
O
HOH
1_555
90.4
A
HOH
167
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
168
F
O
HOH
1_555
176.6
A
HOH
169
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
168
F
O
HOH
1_555
87.0
A
HOH
170
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
168
F
O
HOH
1_555
92.4
B
HOH
165
F
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
B
HOH
168
F
O
HOH
1_555
90.7
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
A
O
O
HOH
HOH
42
67
2.18
1
B
B
O
O
HOH
HOH
35
77
2.18
1
3.31
0.30
108.30
111.61
A
A
A
O4'
C1'
N1
DC
DC
DC
1
1
1
N
1
-3.11
0.40
121.90
118.79
A
A
A
N3
C4
C5
DC
DC
DC
1
1
1
N
1
4.21
0.70
118.00
122.21
A
A
A
N3
C4
N4
DC
DC
DC
1
1
1
N
1
7.91
1.20
119.70
127.61
A
A
A
C3'
O3'
P
DC
DC
DG
1
1
2
Y
1
3.05
0.50
111.50
114.55
A
A
A
C5
C6
N1
DG
DG
DG
2
2
2
N
1
-3.50
0.50
129.30
125.80
A
A
A
N1
C2
N3
DA
DA
DA
3
3
3
N
1
-3.14
0.50
117.70
114.56
A
A
A
C5
C6
N1
DA
DA
DA
3
3
3
N
1
8.03
1.20
119.70
127.73
A
A
A
C3'
O3'
P
DA
DA
DT
3
3
4
Y
1
4.57
0.60
114.60
119.17
A
A
A
N1
C2
N3
DT
DT
DT
4
4
4
N
1
-4.70
0.60
127.20
122.50
A
A
A
C2
N3
C4
DT
DT
DT
4
4
4
N
1
-6.00
0.80
109.40
103.40
A
A
A
O5'
C5'
C4'
DC
DC
DC
5
5
5
N
1
3.65
0.60
118.90
122.55
A
A
A
N1
C2
O2
DC
DC
DC
5
5
5
N
1
-5.40
0.80
109.40
104.00
A
A
A
O5'
C5'
C4'
DG
DG
DG
6
6
6
N
1
-5.13
0.80
102.40
97.27
A
A
A
C3'
C2'
C1'
DG
DG
DG
6
6
6
N
1
3.65
0.30
108.30
111.95
A
A
A
O4'
C1'
N9
DG
DG
DG
6
6
6
N
1
3.16
0.50
111.50
114.66
A
A
A
C5
C6
N1
DG
DG
DG
6
6
6
N
1
8.01
1.20
119.70
127.71
A
A
A
C3'
O3'
P
DG
DG
DA
6
6
7
Y
1
2.64
0.30
108.30
110.94
A
A
A
O4'
C1'
N9
DA
DA
DA
7
7
7
N
1
3.87
0.60
118.60
122.47
A
A
A
C6
N1
C2
DA
DA
DA
7
7
7
N
1
-3.45
0.50
117.70
114.25
A
A
A
C5
C6
N1
DA
DA
DA
7
7
7
N
1
7.65
1.20
119.70
127.35
A
A
A
C3'
O3'
P
DA
DA
DT
7
7
8
Y
1
9.69
1.10
110.50
120.19
A
A
A
O3'
P
OP2
DA
DT
DT
7
8
8
Y
1
-10.59
1.60
120.90
110.31
A
A
A
P
O5'
C5'
DT
DT
DT
8
8
8
N
1
-4.15
0.60
127.20
123.05
A
A
A
C2
N3
C4
DT
DT
DT
8
8
8
N
1
-4.98
0.70
108.00
103.02
A
A
A
O4'
C1'
N1
DC
DC
DC
9
9
9
N
1
-6.67
0.80
109.40
102.73
A
A
A
O5'
C5'
C4'
DG
DG
DG
10
10
10
N
1
3.29
0.50
111.50
114.79
A
A
A
C5
C6
N1
DG
DG
DG
10
10
10
N
1
-5.06
0.80
109.40
104.34
B
B
B
O5'
C5'
C4'
DC
DC
DC
11
11
11
N
1
-5.22
0.80
102.40
97.18
B
B
B
C3'
C2'
C1'
DC
DC
DC
11
11
11
N
1
4.22
0.30
108.30
112.52
B
B
B
O4'
C1'
N1
DC
DC
DC
11
11
11
N
1
3.09
0.50
111.50
114.59
B
B
B
C5
C6
N1
DG
DG
DG
12
12
12
N
1
15.56
1.20
119.70
135.26
B
B
B
C3'
O3'
P
DG
DG
DA
12
12
13
Y
1
4.06
0.60
118.60
122.66
B
B
B
C6
N1
C2
DA
DA
DA
13
13
13
N
1
-3.98
0.50
129.30
125.32
B
B
B
N1
C2
N3
DA
DA
DA
13
13
13
N
1
-3.09
0.50
117.70
114.61
B
B
B
C5
C6
N1
DA
DA
DA
13
13
13
N
1
-4.67
0.60
127.20
122.53
B
B
B
C2
N3
C4
DT
DT
DT
14
14
14
N
1
3.77
0.60
115.20
118.97
B
B
B
N3
C4
C5
DT
DT
DT
14
14
14
N
1
7.51
1.10
110.50
118.01
B
B
B
O3'
P
OP2
DC
DG
DG
15
16
16
Y
1
-6.26
0.80
102.40
96.14
B
B
B
C3'
C2'
C1'
DG
DG
DG
16
16
16
N
1
4.09
0.30
108.30
112.39
B
B
B
O4'
C1'
N9
DG
DG
DG
16
16
16
N
1
3.03
0.50
111.50
114.53
B
B
B
C5
C6
N1
DG
DG
DG
16
16
16
N
1
-9.08
1.50
119.60
110.52
B
B
B
OP1
P
OP2
DA
DA
DA
17
17
17
N
1
13.60
1.20
110.70
124.30
B
B
B
O5'
P
OP1
DA
DA
DA
17
17
17
N
1
20.45
1.60
120.90
141.35
B
B
B
P
O5'
C5'
DA
DA
DA
17
17
17
N
1
-3.60
0.40
104.50
100.90
B
B
B
O4'
C4'
C3'
DA
DA
DA
17
17
17
N
1
7.17
1.10
109.80
116.97
B
B
B
C5'
C4'
O4'
DA
DA
DA
17
17
17
N
1
3.66
0.60
118.60
122.26
B
B
B
N1
C6
N6
DA
DA
DA
17
17
17
N
1
-2.49
0.40
121.90
119.41
B
B
B
N3
C4
C5
DC
DC
DC
19
19
19
N
1
3.40
0.50
111.50
114.90
B
B
B
C5
C6
N1
DG
DG
DG
20
20
20
N
1
-4.16
0.60
128.60
124.44
B
B
B
C5
C6
O6
DG
DG
DG
20
20
20
N
1
A
A
C5'
C4'
DT
DT
4
4
0.047
0.007
1.512
1.559
N
1
A
A
O4'
C1'
DT
DT
4
4
0.083
0.011
1.420
1.503
N
1
A
A
C2'
C1'
DC
DC
9
9
-0.064
0.010
1.518
1.454
N
1
A
A
O4'
C1'
DC
DC
9
9
0.093
0.011
1.420
1.513
N
1
A
A
O4'
C4'
DC
DC
9
9
-0.066
0.010
1.446
1.380
N
1
B
B
O4'
C1'
DT
DT
14
14
0.085
0.011
1.420
1.505
N
1
B
B
O4'
C4'
DT
DT
14
14
-0.065
0.010
1.446
1.381
N
1
B
B
O4'
C4'
DC
DC
15
15
-0.077
0.010
1.446
1.369
N
1
B
B
O4'
C1'
DA
DA
17
17
0.071
0.011
1.420
1.491
N
1
A
B
O
O
HOH
HOH
144
161
2.15
1_555
2_554
0.1610000
1.500
8.000
5107
1
2.000
TR
isotropic
TR
isotropic
1.500
8.000
142
560
14
404
0
0.020
fix
fix
1.500
8.000
1D23
6893
5107
2.000
1
refinement
NUCLSQ
THE STRUCTURE OF B-HELICAL C-G-A-T-C-G-A-T-C-G AND COMPARISON WITH C-C-A-A-C-G-T-T-G-G. THE EFFECT OF BASE PAIR REVERSALS
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
metalc
1.953
A
MG
22
C
MG
MG
1_555
A
HOH
171
E
O
HOH
1_555
metalc
2.015
A
MG
22
C
MG
MG
1_555
A
HOH
174
E
O
HOH
1_555
metalc
2.020
A
MG
22
C
MG
MG
1_555
A
HOH
175
E
O
HOH
1_555
metalc
2.001
A
MG
22
C
MG
MG
1_555
A
HOH
176
E
O
HOH
1_555
metalc
2.064
A
MG
22
C
MG
MG
1_555
B
HOH
172
F
O
HOH
1_555
metalc
1.997
A
MG
22
C
MG
MG
1_555
B
HOH
173
F
O
HOH
1_555
metalc
2.035
A
HOH
166
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
metalc
2.005
A
HOH
167
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
metalc
2.053
A
HOH
169
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
metalc
2.003
A
HOH
170
E
O
HOH
1_555
B
MG
21
D
MG
MG
1_555
metalc
2.002
B
MG
21
D
MG
MG
1_555
B
HOH
165
F
O
HOH
1_555
metalc
2.050
B
MG
21
D
MG
MG
1_555
B
HOH
168
F
O
HOH
1_555
hydrog
WATSON-CRICK
A
DC
1
A
N3
DC
1
1_555
B
DG
20
B
N1
DG
10
1_555
hydrog
WATSON-CRICK
A
DC
1
A
N4
DC
1
1_555
B
DG
20
B
O6
DG
10
1_555
hydrog
WATSON-CRICK
A
DC
1
A
O2
DC
1
1_555
B
DG
20
B
N2
DG
10
1_555
hydrog
WATSON-CRICK
A
DG
2
A
N1
DG
2
1_555
B
DC
19
B
N3
DC
9
1_555
hydrog
WATSON-CRICK
A
DG
2
A
N2
DG
2
1_555
B
DC
19
B
O2
DC
9
1_555
hydrog
WATSON-CRICK
A
DG
2
A
O6
DG
2
1_555
B
DC
19
B
N4
DC
9
1_555
hydrog
WATSON-CRICK
A
DA
3
A
N1
DA
3
1_555
B
DT
18
B
N3
DT
8
1_555
hydrog
WATSON-CRICK
A
DA
3
A
N6
DA
3
1_555
B
DT
18
B
O4
DT
8
1_555
hydrog
WATSON-CRICK
A
DT
4
A
N3
DT
4
1_555
B
DA
17
B
N1
DA
7
1_555
hydrog
WATSON-CRICK
A
DT
4
A
O4
DT
4
1_555
B
DA
17
B
N6
DA
7
1_555
hydrog
WATSON-CRICK
A
DC
5
A
N3
DC
5
1_555
B
DG
16
B
N1
DG
6
1_555
hydrog
WATSON-CRICK
A
DC
5
A
N4
DC
5
1_555
B
DG
16
B
O6
DG
6
1_555
hydrog
WATSON-CRICK
A
DC
5
A
O2
DC
5
1_555
B
DG
16
B
N2
DG
6
1_555
hydrog
WATSON-CRICK
A
DG
6
A
N1
DG
6
1_555
B
DC
15
B
N3
DC
5
1_555
hydrog
WATSON-CRICK
A
DG
6
A
N2
DG
6
1_555
B
DC
15
B
O2
DC
5
1_555
hydrog
WATSON-CRICK
A
DG
6
A
O6
DG
6
1_555
B
DC
15
B
N4
DC
5
1_555
hydrog
WATSON-CRICK
A
DA
7
A
N1
DA
7
1_555
B
DT
14
B
N3
DT
4
1_555
hydrog
WATSON-CRICK
A
DA
7
A
N6
DA
7
1_555
B
DT
14
B
O4
DT
4
1_555
hydrog
WATSON-CRICK
A
DT
8
A
N3
DT
8
1_555
B
DA
13
B
N1
DA
3
1_555
hydrog
WATSON-CRICK
A
DT
8
A
O4
DT
8
1_555
B
DA
13
B
N6
DA
3
1_555
hydrog
WATSON-CRICK
A
DC
9
A
N3
DC
9
1_555
B
DG
12
B
N1
DG
2
1_555
hydrog
WATSON-CRICK
A
DC
9
A
N4
DC
9
1_555
B
DG
12
B
O6
DG
2
1_555
hydrog
WATSON-CRICK
A
DC
9
A
O2
DC
9
1_555
B
DG
12
B
N2
DG
2
1_555
hydrog
WATSON-CRICK
A
DG
10
A
N1
DG
10
1_555
B
DC
11
B
N3
DC
1
1_555
hydrog
WATSON-CRICK
A
DG
10
A
N2
DG
10
1_555
B
DC
11
B
O2
DC
1
1_555
hydrog
WATSON-CRICK
A
DG
10
A
O6
DG
10
1_555
B
DC
11
B
N4
DC
1
1_555
DNA
B-DNA, DOUBLE HELIX, DNA
1D23
PDB
1
1D23
1
10
1D23
1
10
1D23
A
1
1
10
11
20
1D23
11
20
1D23
B
1
1
10
BINDING SITE FOR RESIDUE MG B 21
B
MG
21
Software
6
BINDING SITE FOR RESIDUE MG A 22
A
MG
22
Software
6
A
HOH
166
E
HOH
6
1_555
A
HOH
167
E
HOH
6
1_555
A
HOH
169
E
HOH
6
1_555
A
HOH
170
E
HOH
6
1_555
B
HOH
165
F
HOH
6
1_555
B
HOH
168
F
HOH
6
1_555
A
HOH
171
E
HOH
6
1_555
A
HOH
174
E
HOH
6
1_555
A
HOH
175
E
HOH
6
1_555
A
HOH
176
E
HOH
6
1_555
B
HOH
172
F
HOH
6
1_555
B
HOH
173
F
HOH
6
1_555
19
P 21 21 21