0.025800
0.000000
0.000000
0.000000
0.024963
0.000000
0.000000
0.000000
0.029647
0.00000
0.00000
0.00000
Yuan, H.
Quintana, J.
Dickerson, R.E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
38.760
40.060
33.730
Ca 2
40.078
CALCIUM 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
N
1
N
CA
N
2
N
O
N
3
N
P
N
4
N
O
N
5
N
O
N
6
N
O
N
7
N
C
N
8
R
C
N
9
N
O
N
10
S
C
N
11
N
O
N
12
N
C
N
13
R
C
Y
14
N
N
Y
15
N
C
Y
16
N
N
Y
17
N
C
Y
18
N
C
N
19
N
N
Y
20
N
N
Y
21
N
C
Y
22
N
N
Y
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
O
N
39
N
P
N
40
N
O
N
41
N
O
N
42
N
O
N
43
N
C
N
44
R
C
N
45
N
O
N
46
S
C
N
47
N
O
N
48
N
C
N
49
R
C
N
50
N
N
N
51
N
C
N
52
N
O
N
53
N
N
N
54
N
C
N
55
N
N
N
56
N
C
N
57
N
C
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
O
N
73
N
P
N
74
N
O
N
75
N
O
N
76
N
O
N
77
N
C
N
78
R
C
N
79
N
O
N
80
S
C
N
81
N
O
N
82
N
C
N
83
R
C
Y
84
N
N
Y
85
N
C
Y
86
N
N
Y
87
N
C
N
88
N
C
N
89
N
O
N
90
N
N
N
91
N
C
N
92
N
N
N
93
N
N
Y
94
N
C
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
O
N
110
N
P
N
111
N
O
N
112
N
O
N
113
N
O
N
114
N
C
N
115
R
C
N
116
N
O
N
117
S
C
N
118
N
O
N
119
N
C
N
120
R
C
N
121
N
N
N
122
N
C
N
123
N
O
N
124
N
N
N
125
N
C
N
126
N
O
N
127
N
C
N
128
N
C
N
129
N
C
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
H
N
145
N
O
N
146
N
H
N
147
N
H
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
Biochemistry
BICHAW
0033
0006-2960
31
8009
8021
10.1021/bi00149a035
1510987
Alternative structures for alternating poly(dA-dT) tracts: the structure of the B-DNA decamer C-G-A-T-A-T-A-T-C-G.
1992
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
266
8861
8883
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
217
201
214
Analysis of Local Helix Geometry in Three B-DNA Decamers and Eight Dodecamers
1991
10.2210/pdb1d56/pdb
pdb_00001d56
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
3044.017
DNA (5'-D(*CP*GP*AP*TP*AP*TP*AP*TP*CP*G)-3')
2
syn
polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
94
nat
water
no
no
(DC)(DG)(DA)(DT)(DA)(DT)(DA)(DT)(DC)(DG)
CGATATATCG
A,B
polydeoxyribonucleotide
n
n
n
n
n
n
n
n
n
n
2.15
42.81
VAPOR DIFFUSION, SITTING DROP
6.90
pH 6.90, VAPOR DIFFUSION, SITTING DROP, temperature 277.00K
277.00
WATER
1
MPD
1
CA ACETATE
1
SPERMINE_HCL
1
WATER
2
MPD
2
3.502
1
19
A
1
B
20
2.115
A_DC1:DG20_B
1
-2.400
0.222
0.179
-0.238
12.241
1
19
A
2
B
19
-0.674
A_DG2:DC19_B
2
-12.644
-0.144
0.209
-0.311
0.421
1
20
A
3
B
18
-0.734
A_DA3:DT18_B
3
-14.344
0.214
-0.171
-0.023
11.515
1
20
A
4
B
17
2.032
A_DT4:DA17_B
4
-15.116
-0.150
-0.146
-0.202
-3.202
1
20
A
5
B
16
1.539
A_DA5:DT16_B
5
-2.096
0.229
0.179
-0.075
2.755
1
20
A
6
B
15
1.264
A_DT6:DA15_B
6
-5.760
-0.181
-0.110
-0.153
2.729
1
20
A
7
B
14
-4.685
A_DA7:DT14_B
7
-15.697
0.243
0.161
-0.265
4.069
1
20
A
8
B
13
2.465
A_DT8:DA13_B
8
-16.757
0.029
-0.143
-0.196
-6.878
1
19
A
9
B
12
-5.389
A_DC9:DG12_B
9
-11.518
0.322
0.206
-0.275
0.814
1
19
A
10
B
11
0.015
A_DG10:DC11_B
10
5.205
-0.328
0.013
-0.002
3.213
34.808
A
A
1
2
-1.535
B
B
20
19
3.245
-0.918
-0.544
0.808
AA_DC1DG2:DC19DG20_BB
1
0.636
-1.063
34.791
1.488
1.005
3.666
42.833
A
A
2
3
-5.608
B
B
19
18
3.663
-4.088
0.229
-0.125
AA_DG2DA3:DT18DC19_BB
2
2.207
-3.027
42.592
0.287
-0.066
2.943
30.190
A
A
3
4
5.481
B
B
18
17
3.026
2.851
0.699
-0.566
AA_DA3DT4:DA17DT18_BB
3
-0.747
1.436
30.049
-1.617
-1.480
3.646
42.383
A
A
4
5
0.393
B
B
17
16
3.648
0.284
-0.017
0.070
AA_DT4DA5:DT16DA17_BB
4
-1.844
2.551
42.344
0.064
-0.186
3.006
23.620
A
A
5
6
16.367
B
B
16
15
3.251
6.593
-0.317
-0.177
AA_DA5DT6:DA15DT16_BB
5
3.128
-7.765
22.480
-2.590
1.797
3.351
46.332
A
A
6
7
-5.061
B
B
15
14
3.417
-3.974
-0.665
1.175
AA_DT6DA7:DT14DA15_BB
6
-3.696
4.708
46.031
1.843
0.519
3.275
31.945
A
A
7
8
-6.139
B
B
14
13
3.225
-3.367
0.466
-0.352
AA_DA7DT8:DA13DT14_BB
7
3.317
-6.048
31.603
-0.030
-0.247
3.548
40.981
A
A
8
9
1.763
B
B
13
12
3.554
1.233
-0.085
-0.103
AA_DT8DC9:DG12DA13_BB
8
-2.463
3.520
40.893
-0.294
-0.170
3.231
36.813
A
A
9
10
0.236
B
B
12
11
3.189
0.149
0.694
0.880
AA_DC9DG10:DC11DG12_BB
9
2.499
-3.960
36.731
1.373
-0.766
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
1992-09-15
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.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.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
BNL
Y
NDB
1992-02-19
REL
REL
CA
CALCIUM ION
HOH
water
OC7
21
2
CA
CA
21
A
HOH
22
3
HOH
HOH
22
A
HOH
23
3
HOH
HOH
23
A
HOH
25
3
HOH
HOH
25
A
HOH
26
3
HOH
HOH
26
A
HOH
27
3
HOH
HOH
27
A
HOH
28
3
HOH
HOH
28
A
HOH
30
3
HOH
HOH
30
A
HOH
33
3
HOH
HOH
33
A
HOH
35
3
HOH
HOH
35
A
HOH
37
3
HOH
HOH
37
A
HOH
38
3
HOH
HOH
38
A
HOH
40
3
HOH
HOH
40
A
HOH
41
3
HOH
HOH
41
A
HOH
44
3
HOH
HOH
44
A
HOH
46
3
HOH
HOH
46
A
HOH
47
3
HOH
HOH
47
A
HOH
51
3
HOH
HOH
51
A
HOH
52
3
HOH
HOH
52
A
HOH
53
3
HOH
HOH
53
A
HOH
55
3
HOH
HOH
55
A
HOH
57
3
HOH
HOH
57
A
HOH
59
3
HOH
HOH
59
A
HOH
60
3
HOH
HOH
60
A
HOH
62
3
HOH
HOH
62
A
HOH
65
3
HOH
HOH
65
A
HOH
68
3
HOH
HOH
68
A
HOH
69
3
HOH
HOH
69
A
HOH
70
3
HOH
HOH
70
A
HOH
72
3
HOH
HOH
72
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
77
3
HOH
HOH
77
A
HOH
78
3
HOH
HOH
78
A
HOH
80
3
HOH
HOH
80
A
HOH
82
3
HOH
HOH
82
A
HOH
83
3
HOH
HOH
83
A
HOH
84
3
HOH
HOH
84
A
HOH
89
3
HOH
HOH
89
A
HOH
92
3
HOH
HOH
92
A
HOH
93
3
HOH
HOH
93
A
HOH
94
3
HOH
HOH
94
A
HOH
96
3
HOH
HOH
96
A
HOH
98
3
HOH
HOH
98
A
HOH
99
3
HOH
HOH
99
A
HOH
101
3
HOH
HOH
101
A
HOH
103
3
HOH
HOH
103
A
OC7
21
3
HOH
HOH
109
A
OC7
21
3
HOH
HOH
110
A
OC7
21
3
HOH
HOH
111
A
OC7
21
3
HOH
HOH
112
A
OC7
21
3
HOH
HOH
113
A
OC7
21
3
HOH
HOH
115
A
HOH
24
3
HOH
HOH
24
B
HOH
29
3
HOH
HOH
29
B
HOH
31
3
HOH
HOH
31
B
HOH
32
3
HOH
HOH
32
B
HOH
34
3
HOH
HOH
34
B
HOH
36
3
HOH
HOH
36
B
HOH
39
3
HOH
HOH
39
B
HOH
42
3
HOH
HOH
42
B
HOH
43
3
HOH
HOH
43
B
HOH
45
3
HOH
HOH
45
B
HOH
48
3
HOH
HOH
48
B
HOH
49
3
HOH
HOH
49
B
HOH
50
3
HOH
HOH
50
B
HOH
54
3
HOH
HOH
54
B
HOH
56
3
HOH
HOH
56
B
HOH
58
3
HOH
HOH
58
B
HOH
61
3
HOH
HOH
61
B
HOH
63
3
HOH
HOH
63
B
HOH
64
3
HOH
HOH
64
B
HOH
66
3
HOH
HOH
66
B
HOH
67
3
HOH
HOH
67
B
HOH
71
3
HOH
HOH
71
B
HOH
79
3
HOH
HOH
79
B
HOH
81
3
HOH
HOH
81
B
HOH
85
3
HOH
HOH
85
B
HOH
86
3
HOH
HOH
86
B
HOH
87
3
HOH
HOH
87
B
HOH
88
3
HOH
HOH
88
B
HOH
90
3
HOH
HOH
90
B
HOH
91
3
HOH
HOH
91
B
HOH
95
3
HOH
HOH
95
B
HOH
97
3
HOH
HOH
97
B
HOH
100
3
HOH
HOH
100
B
HOH
102
3
HOH
HOH
102
B
HOH
104
3
HOH
HOH
104
B
HOH
105
3
HOH
HOH
105
B
HOH
106
3
HOH
HOH
106
B
HOH
107
3
HOH
HOH
107
B
HOH
108
3
HOH
HOH
108
B
OC7
21
3
HOH
HOH
114
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
A
5
n
5
DA
5
A
T
6
n
6
DT
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
A
15
n
5
DA
15
B
T
16
n
6
DT
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
109
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
110
D
O
HOH
1_555
92.1
A
HOH
109
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
111
D
O
HOH
1_555
80.3
A
HOH
110
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
111
D
O
HOH
1_555
74.0
A
HOH
109
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
112
D
O
HOH
1_555
86.2
A
HOH
110
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
112
D
O
HOH
1_555
172.0
A
HOH
111
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
112
D
O
HOH
1_555
98.0
A
HOH
109
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
113
D
O
HOH
1_555
65.4
A
HOH
110
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
113
D
O
HOH
1_555
102.1
A
HOH
111
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
113
D
O
HOH
1_555
145.5
A
HOH
112
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
113
D
O
HOH
1_555
84.3
A
HOH
109
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
115
D
O
HOH
1_555
132.5
A
HOH
110
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
115
D
O
HOH
1_555
95.7
A
HOH
111
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
115
D
O
HOH
1_555
146.6
A
HOH
112
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
115
D
O
HOH
1_555
91.3
A
HOH
113
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
A
HOH
115
D
O
HOH
1_555
67.1
A
HOH
109
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
B
HOH
114
E
O
HOH
1_555
156.8
A
HOH
110
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
B
HOH
114
E
O
HOH
1_555
84.9
A
HOH
111
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
B
HOH
114
E
O
HOH
1_555
76.7
A
HOH
112
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
B
HOH
114
E
O
HOH
1_555
93.6
A
HOH
113
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
B
HOH
114
E
O
HOH
1_555
137.7
A
HOH
115
D
O
HOH
1_555
A
CA
21
C
CA
CA
1_555
B
HOH
114
E
O
HOH
1_555
70.6
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
-4.80
0.80
109.40
104.60
A
A
A
O5'
C5'
C4'
DC
DC
DC
1
1
1
N
1
3.79
0.30
108.30
112.09
A
A
A
O4'
C1'
N1
DC
DC
DC
1
1
1
N
1
-6.12
0.80
109.40
103.28
A
A
A
O5'
C5'
C4'
DG
DG
DG
2
2
2
N
1
-11.88
1.60
120.90
109.02
A
A
A
P
O5'
C5'
DG
DG
DG
2
2
2
N
1
3.21
0.50
111.50
114.71
A
A
A
C5
C6
N1
DG
DG
DG
2
2
2
N
1
13.31
1.20
119.70
133.01
A
A
A
C3'
O3'
P
DG
DG
DA
2
2
3
Y
1
4.00
0.60
118.60
122.60
A
A
A
C6
N1
C2
DA
DA
DA
3
3
3
N
1
-3.50
0.50
117.70
114.20
A
A
A
C5
C6
N1
DA
DA
DA
3
3
3
N
1
5.41
0.60
118.60
124.01
A
A
A
N1
C6
N6
DA
DA
DA
3
3
3
N
1
-6.97
0.80
109.40
102.43
A
A
A
O5'
C5'
C4'
DT
DT
DT
4
4
4
N
1
3.83
0.60
114.60
118.43
A
A
A
N1
C2
N3
DT
DT
DT
4
4
4
N
1
-4.93
0.60
127.20
122.27
A
A
A
C2
N3
C4
DT
DT
DT
4
4
4
N
1
3.86
0.60
115.20
119.06
A
A
A
N3
C4
C5
DT
DT
DT
4
4
4
N
1
-5.18
0.80
109.40
104.22
A
A
A
O5'
C5'
C4'
DA
DA
DA
5
5
5
N
1
-3.17
0.50
129.30
126.13
A
A
A
N1
C2
N3
DA
DA
DA
5
5
5
N
1
-5.84
0.80
102.40
96.56
A
A
A
C3'
C2'
C1'
DT
DT
DT
6
6
6
N
1
3.24
0.30
108.30
111.54
A
A
A
O4'
C1'
N1
DT
DT
DT
6
6
6
N
1
-6.32
0.60
127.20
120.88
A
A
A
C2
N3
C4
DT
DT
DT
6
6
6
N
1
5.36
0.60
115.20
120.56
A
A
A
N3
C4
C5
DT
DT
DT
6
6
6
N
1
-4.88
0.60
119.90
115.02
A
A
A
N3
C4
O4
DT
DT
DT
6
6
6
N
1
3.87
0.60
118.60
122.47
A
A
A
C6
N1
C2
DA
DA
DA
7
7
7
N
1
-3.11
0.50
117.70
114.59
A
A
A
C5
C6
N1
DA
DA
DA
7
7
7
N
1
3.99
0.60
118.60
122.59
A
A
A
N1
C6
N6
DA
DA
DA
7
7
7
N
1
10.68
1.20
119.70
130.38
A
A
A
C3'
O3'
P
DA
DA
DT
7
7
8
Y
1
-6.17
0.80
109.40
103.23
A
A
A
O5'
C5'
C4'
DT
DT
DT
8
8
8
N
1
11.94
1.20
119.70
131.64
A
A
A
C3'
O3'
P
DT
DT
DC
8
8
9
Y
1
-6.14
0.80
109.40
103.26
A
A
A
O5'
C5'
C4'
DC
DC
DC
9
9
9
N
1
3.20
0.50
119.90
123.10
A
A
A
C2
N3
C4
DC
DC
DC
9
9
9
N
1
-4.67
0.60
125.10
120.43
A
A
A
C6
N1
C2
DG
DG
DG
10
10
10
N
1
3.63
0.50
111.50
115.13
A
A
A
C5
C6
N1
DG
DG
DG
10
10
10
N
1
-6.00
0.80
102.40
96.40
B
B
B
C3'
C2'
C1'
DC
DC
DC
11
11
11
N
1
-7.05
0.80
109.40
102.35
B
B
B
O5'
C5'
C4'
DG
DG
DG
12
12
12
N
1
9.67
1.20
119.70
129.36
B
B
B
C3'
O3'
P
DG
DG
DA
12
12
13
Y
1
3.74
0.60
118.60
122.34
B
B
B
C6
N1
C2
DA
DA
DA
13
13
13
N
1
-3.32
0.50
129.30
125.98
B
B
B
N1
C2
N3
DA
DA
DA
13
13
13
N
1
8.25
1.20
119.70
127.95
B
B
B
C3'
O3'
P
DA
DA
DT
13
13
14
Y
1
-9.77
0.80
109.40
99.63
B
B
B
O5'
C5'
C4'
DT
DT
DT
14
14
14
N
1
4.45
0.60
114.60
119.05
B
B
B
N1
C2
N3
DT
DT
DT
14
14
14
N
1
-5.34
0.60
127.20
121.86
B
B
B
C2
N3
C4
DT
DT
DT
14
14
14
N
1
3.93
0.60
115.20
119.13
B
B
B
N3
C4
C5
DT
DT
DT
14
14
14
N
1
-5.00
0.70
108.00
103.00
B
B
B
O4'
C1'
N9
DA
DA
DA
15
15
15
N
1
-6.23
0.80
109.40
103.17
B
B
B
O5'
C5'
C4'
DT
DT
DT
16
16
16
N
1
-6.46
0.80
102.40
95.94
B
B
B
C3'
C2'
C1'
DT
DT
DT
16
16
16
N
1
2.94
0.30
108.30
111.24
B
B
B
O4'
C1'
N1
DT
DT
DT
16
16
16
N
1
-5.76
0.60
127.20
121.44
B
B
B
C2
N3
C4
DT
DT
DT
16
16
16
N
1
4.64
0.60
115.20
119.84
B
B
B
N3
C4
C5
DT
DT
DT
16
16
16
N
1
-4.63
0.60
119.90
115.27
B
B
B
N3
C4
O4
DT
DT
DT
16
16
16
N
1
9.16
1.20
110.70
119.86
B
B
B
O5'
P
OP1
DA
DA
DA
17
17
17
N
1
-2.78
0.40
104.50
101.72
B
B
B
O4'
C4'
C3'
DA
DA
DA
17
17
17
N
1
-7.53
1.00
110.10
102.57
B
B
B
C1'
O4'
C4'
DA
DA
DA
17
17
17
N
1
-3.32
0.50
129.30
125.98
B
B
B
N1
C2
N3
DA
DA
DA
17
17
17
N
1
4.33
0.60
118.60
122.93
B
B
B
N1
C6
N6
DA
DA
DA
17
17
17
N
1
9.22
1.20
119.70
128.92
B
B
B
C3'
O3'
P
DA
DA
DT
17
17
18
Y
1
-9.43
1.50
119.60
110.17
B
B
B
OP1
P
OP2
DT
DT
DT
18
18
18
N
1
-5.53
0.80
109.40
103.87
B
B
B
O5'
C5'
C4'
DT
DT
DT
18
18
18
N
1
16.28
1.20
119.70
135.98
B
B
B
C3'
O3'
P
DT
DT
DC
18
18
19
Y
1
-2.82
0.40
121.90
119.08
B
B
B
N3
C4
C5
DC
DC
DC
19
19
19
N
1
2.38
0.30
108.30
110.68
B
B
B
O4'
C1'
N9
DG
DG
DG
20
20
20
N
1
-4.07
0.60
125.10
121.03
B
B
B
C6
N1
C2
DG
DG
DG
20
20
20
N
1
3.84
0.50
111.50
115.34
B
B
B
C5
C6
N1
DG
DG
DG
20
20
20
N
1
A
A
O4'
C1'
DT
DT
4
4
0.071
0.011
1.420
1.491
N
1
A
A
O4'
C4'
DT
DT
4
4
-0.063
0.010
1.446
1.383
N
1
A
A
O4'
C1'
DA
DA
5
5
0.070
0.011
1.420
1.490
N
1
A
A
C4
O4
DT
DT
6
6
0.054
0.009
1.228
1.282
N
1
A
A
C5'
C4'
DC
DC
9
9
0.051
0.007
1.512
1.563
N
1
A
A
C2'
C1'
DC
DC
9
9
-0.065
0.010
1.518
1.453
N
1
A
A
O4'
C1'
DC
DC
9
9
0.091
0.011
1.420
1.511
N
1
A
A
O4'
C4'
DC
DC
9
9
-0.091
0.010
1.446
1.355
N
1
B
B
C2'
C1'
DA
DA
13
13
-0.063
0.010
1.518
1.455
N
1
B
B
O4'
C1'
DA
DA
13
13
0.070
0.011
1.420
1.490
N
1
B
B
O4'
C1'
DT
DT
14
14
0.091
0.011
1.420
1.511
N
1
B
B
O4'
C4'
DT
DT
14
14
-0.070
0.010
1.446
1.376
N
1
B
B
C6
N6
DA
DA
15
15
-0.048
0.008
1.335
1.287
N
1
B
B
C2'
C1'
DA
DA
17
17
-0.079
0.010
1.518
1.439
N
1
B
B
O4'
C1'
DA
DA
17
17
0.070
0.011
1.420
1.490
N
1
B
B
N1
C2
DA
DA
17
17
0.057
0.009
1.339
1.396
N
1
A
B
O
O
HOH
HOH
25
90
1.52
1_555
4_455
0.1780000
1.700
8.000
3683
1
2.000
TR
isotropic
TR
isotropic
1.700
8.000
87
499
8
404
0
fix
fix
1.700
8.000
1D56
6166
3683
2.000
1
refinement
NUCLSQ
ALTERNATIVE STRUCTURES FOR ALTERNATING POLY(DA-DT) TRACTS: THE STRUCTURE OF THE B-DNA DECAMER C-G-A-T-A-T-A-T-C-G
1
N
N
1
N
N
2
N
N
3
N
N
3
N
N
metalc
2.411
A
CA
21
C
CA
CA
1_555
A
HOH
109
D
O
HOH
1_555
metalc
2.366
A
CA
21
C
CA
CA
1_555
A
HOH
110
D
O
HOH
1_555
metalc
2.393
A
CA
21
C
CA
CA
1_555
A
HOH
111
D
O
HOH
1_555
metalc
2.448
A
CA
21
C
CA
CA
1_555
A
HOH
112
D
O
HOH
1_555
metalc
2.440
A
CA
21
C
CA
CA
1_555
A
HOH
113
D
O
HOH
1_555
metalc
2.374
A
CA
21
C
CA
CA
1_555
A
HOH
115
D
O
HOH
1_555
metalc
2.399
A
CA
21
C
CA
CA
1_555
B
HOH
114
E
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
DA
5
A
N1
DA
5
1_555
B
DT
16
B
N3
DT
6
1_555
hydrog
WATSON-CRICK
A
DA
5
A
N6
DA
5
1_555
B
DT
16
B
O4
DT
6
1_555
hydrog
WATSON-CRICK
A
DT
6
A
N3
DT
6
1_555
B
DA
15
B
N1
DA
5
1_555
hydrog
WATSON-CRICK
A
DT
6
A
O4
DT
6
1_555
B
DA
15
B
N6
DA
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
1D56
PDB
1
1D56
1
10
1D56
1
10
1D56
A
1
1
10
11
20
1D56
11
20
1D56
B
1
1
10
BINDING SITE FOR RESIDUE CA A 21
A
CA
21
Software
7
A
HOH
109
D
HOH
7
1_555
A
HOH
110
D
HOH
7
1_555
A
HOH
111
D
HOH
7
1_555
A
HOH
112
D
HOH
7
1_555
A
HOH
113
D
HOH
7
1_555
A
HOH
115
D
HOH
7
1_555
B
HOH
114
E
HOH
7
1_555
19
P 21 21 21