8.71
-2.673
15.931
2.686
A
P
DA
2
ATOM
A
P
DA
1
1
1.00
1
P
10.67
-3.818
16.500
3.449
A
OP1
DA
2
ATOM
A
OP1
DA
1
1
1.00
1
O
10.10
-2.651
16.207
1.202
A
OP2
DA
2
ATOM
A
OP2
DA
1
1
1.00
1
O
7.27
-2.681
14.391
2.826
A
O5'
DA
2
ATOM
A
O5'
DA
1
1
1.00
1
O
8.93
-2.535
13.860
4.152
A
C5'
DA
2
ATOM
A
C5'
DA
1
1
1.00
1
C
9.96
-2.988
12.420
4.133
A
C4'
DA
2
ATOM
A
C4'
DA
1
1
1.00
1
C
10.18
-4.433
12.456
4.078
A
O4'
DA
2
ATOM
A
O4'
DA
1
1
1.00
1
O
7.06
-2.480
11.585
2.936
A
C3'
DA
2
ATOM
A
C3'
DA
1
1
1.00
1
C
9.04
-2.259
10.226
3.409
A
O3'
DA
2
ATOM
A
O3'
DA
1
1
1.00
1
O
7.56
-3.700
11.581
2.032
A
C2'
DA
2
ATOM
A
C2'
DA
1
1
1.00
1
C
9.44
-4.836
11.568
3.013
A
C1'
DA
2
ATOM
A
C1'
DA
1
1
1.00
1
C
12.00
-6.055
12.116
2.463
A
N9
DA
2
ATOM
A
N9
DA
1
1
1.00
1
N
10.73
-6.444
13.437
2.464
A
C8
DA
2
ATOM
A
C8
DA
1
1
1.00
1
C
12.95
-7.630
13.567
1.906
A
N7
DA
2
ATOM
A
N7
DA
1
1
1.00
1
N
20.27
-8.048
12.257
1.610
A
C5
DA
2
ATOM
A
C5
DA
1
1
1.00
1
C
9.40
-9.237
11.718
1.040
A
C6
DA
2
ATOM
A
C6
DA
1
1
1.00
1
C
23.48
-10.256
12.531
0.731
A
N6
DA
2
ATOM
A
N6
DA
1
1
1.00
1
N
12.79
-9.313
10.383
0.871
A
N1
DA
2
ATOM
A
N1
DA
1
1
1.00
1
N
11.95
-8.264
9.611
1.247
A
C2
DA
2
ATOM
A
C2
DA
1
1
1.00
1
C
9.28
-7.106
10.006
1.789
A
N3
DA
2
ATOM
A
N3
DA
1
1
1.00
1
N
9.20
-7.069
11.338
1.902
A
C4
DA
2
ATOM
A
C4
DA
1
1
1.00
1
C
7.32
-1.786
3.601
5.863
B
P
DA
5
ATOM
B
P
DA
1
1
1.00
1
P
8.81
-2.580
4.507
6.733
B
OP1
DA
5
ATOM
B
OP1
DA
1
1
1.00
1
O
9.02
-1.802
3.860
4.388
B
OP2
DA
5
ATOM
B
OP2
DA
1
1
1.00
1
O
7.33
-2.198
2.076
6.022
B
O5'
DA
5
ATOM
B
O5'
DA
1
1
1.00
1
O
6.64
-2.270
1.424
7.335
B
C5'
DA
5
ATOM
B
C5'
DA
1
1
1.00
1
C
7.03
-3.116
0.182
7.225
B
C4'
DA
5
ATOM
B
C4'
DA
1
1
1.00
1
C
7.00
-4.497
0.579
7.092
B
O4'
DA
5
ATOM
B
O4'
DA
1
1
1.00
1
O
6.39
-2.812
-0.717
6.053
B
C3'
DA
5
ATOM
B
C3'
DA
1
1
1.00
1
C
7.31
-2.965
-2.084
6.561
B
O3'
DA
5
ATOM
B
O3'
DA
1
1
1.00
1
O
8.37
-3.888
-0.436
5.041
B
C2'
DA
5
ATOM
B
C2'
DA
1
1
1.00
1
C
7.66
-5.034
0.030
5.895
B
C1'
DA
5
ATOM
B
C1'
DA
1
1
1.00
1
C
7.20
-5.892
1.018
5.249
B
N9
DA
5
ATOM
B
N9
DA
1
1
1.00
1
N
8.40
-5.465
2.153
4.606
B
C8
DA
5
ATOM
B
C8
DA
1
1
1.00
1
C
8.44
-6.460
2.933
4.270
B
N7
DA
5
ATOM
B
N7
DA
1
1
1.00
1
N
7.36
-7.613
2.282
4.677
B
C5
DA
5
ATOM
B
C5
DA
1
1
1.00
1
C
6.27
-8.957
2.569
4.553
B
C6
DA
5
ATOM
B
C6
DA
1
1
1.00
1
C
7.57
-9.416
3.715
4.006
B
N6
DA
5
ATOM
B
N6
DA
1
1
1.00
1
N
6.39
-9.843
1.678
5.019
B
N1
DA
5
ATOM
B
N1
DA
1
1
1.00
1
N
8.05
-9.350
0.527
5.551
B
C2
DA
5
ATOM
B
C2
DA
1
1
1.00
1
C
5.91
-8.116
0.099
5.722
B
N3
DA
5
ATOM
B
N3
DA
1
1
1.00
1
N
7.58
-7.262
1.065
5.277
B
C4
DA
5
ATOM
B
C4
DA
1
1
1.00
1
C
15.61
-5.050
6.966
4.083
B
CO
CO
8
HETATM
C
CO
CO
2
1.00
1
CO
13.17
0.000
13.069
0.654
A
O
HOH
103
HETATM
D
O
HOH
3
0.33
1
O
13.18
-1.831
14.584
-0.716
A
O
HOH
104
HETATM
D
O
HOH
3
1.00
1
O
28.37
-4.212
8.817
7.443
A
O
HOH
108
HETATM
D
O
HOH
3
1.00
1
O
47.55
-10.284
15.425
1.025
A
O
HOH
109
HETATM
D
O
HOH
3
1.00
1
O
27.85
-6.575
17.108
2.483
A
O
HOH
112
HETATM
D
O
HOH
3
1.00
1
O
15.55
-12.807
12.290
0.507
A
O
HOH
113
HETATM
D
O
HOH
3
0.50
1
O
14.79
-2.772
18.545
0.209
A
O
HOH
114
HETATM
D
O
HOH
3
0.50
1
O
13.33
-1.260
10.887
7.430
A
O
HOH
117
HETATM
D
O
HOH
3
0.25
1
O
12.04
-4.166
8.681
4.914
A
O
HOH
121
HETATM
D
O
HOH
3
1.00
1
O
9.54
-5.234
7.988
2.292
A
O
HOH
122
HETATM
D
O
HOH
3
1.00
1
O
7.66
-11.319
6.535
4.942
B
O
HOH
101
HETATM
E
O
HOH
3
0.33
1
O
9.43
-8.936
6.711
3.282
B
O
HOH
102
HETATM
E
O
HOH
3
1.00
1
O
6.90
-8.692
-1.985
7.430
B
O
HOH
105
HETATM
E
O
HOH
3
0.25
1
O
13.05
0.000
0.000
3.726
B
O
HOH
106
HETATM
E
O
HOH
3
0.33
1
O
19.28
-2.865
4.962
0.000
B
O
HOH
107
HETATM
E
O
HOH
3
0.50
1
O
24.86
-6.735
-2.957
5.625
B
O
HOH
110
HETATM
E
O
HOH
3
0.50
1
O
21.37
-5.438
3.650
7.430
B
O
HOH
111
HETATM
E
O
HOH
3
0.50
1
O
30.81
-1.936
1.716
2.828
B
O
HOH
115
HETATM
E
O
HOH
3
1.00
1
O
44.66
-3.878
3.518
2.619
B
O
HOH
116
HETATM
E
O
HOH
3
1.00
1
O
9.95
-6.777
7.616
4.825
B
O
HOH
118
HETATM
E
O
HOH
3
1.00
1
O
9.64
-3.145
6.249
3.447
B
O
HOH
119
HETATM
E
O
HOH
3
1.00
1
O
10.38
-4.815
5.806
5.786
B
O
HOH
120
HETATM
E
O
HOH
3
1.00
1
O
8.82
-5.993
5.422
3.082
B
O
HOH
123
HETATM
E
O
HOH
3
1.00
1
O
0.1230
0.0175
0.0089
0.0972
-0.0114
0.1106
A
P
DA
2
A
P
DA
1
P
0.1106
0.0165
0.0513
0.1424
-0.0460
0.1525
A
OP1
DA
2
A
OP1
DA
1
O
0.1720
0.0277
0.0019
0.0999
0.0054
0.1119
A
OP2
DA
2
A
OP2
DA
1
O
0.1100
-0.0121
0.0078
0.0854
-0.0071
0.0807
A
O5'
DA
2
A
O5'
DA
1
O
0.1127
-0.0141
-0.0004
0.1159
-0.0069
0.1106
A
C5'
DA
2
A
C5'
DA
1
C
0.1216
-0.0563
-0.0052
0.1566
0.0034
0.1003
A
C4'
DA
2
A
C4'
DA
1
C
0.1370
-0.0394
0.0102
0.1787
0.0188
0.0711
A
O4'
DA
2
A
O4'
DA
1
O
0.0995
0.0049
0.0113
0.1084
0.0076
0.0603
A
C3'
DA
2
A
C3'
DA
1
C
0.1151
-0.0120
0.0042
0.1195
0.0318
0.1088
A
O3'
DA
2
A
O3'
DA
1
O
0.1099
0.0010
0.0342
0.0871
-0.0020
0.0904
A
C2'
DA
2
A
C2'
DA
1
C
0.0703
-0.0077
-0.0352
0.1509
0.0230
0.1373
A
C1'
DA
2
A
C1'
DA
1
C
0.1840
0.0047
0.0434
0.1686
0.0257
0.1032
A
N9
DA
2
A
N9
DA
1
N
0.1540
0.0137
0.0024
0.1531
0.0168
0.1007
A
C8
DA
2
A
C8
DA
1
C
0.1612
0.0065
0.0408
0.2507
0.0257
0.0801
A
N7
DA
2
A
N7
DA
1
N
0.1650
0.0236
0.0404
0.5416
0.1208
0.0634
A
C5
DA
2
A
C5
DA
1
C
0.0748
0.0029
0.0166
0.1989
0.0211
0.0836
A
C6
DA
2
A
C6
DA
1
C
0.2473
0.2809
0.0740
0.5099
0.1409
0.1349
A
N6
DA
2
A
N6
DA
1
N
0.1056
-0.0187
-0.0215
0.2930
0.0025
0.0873
A
N1
DA
2
A
N1
DA
1
N
0.1613
-0.0197
-0.0778
0.1378
0.0324
0.1549
A
C2
DA
2
A
C2
DA
1
C
0.1410
-0.0035
0.0045
0.1229
0.0276
0.0888
A
N3
DA
2
A
N3
DA
1
N
0.1017
0.0619
0.0388
0.1349
0.0651
0.1131
A
C4
DA
2
A
C4
DA
1
C
0.0829
0.0023
0.0028
0.0767
-0.0033
0.1183
B
P
DA
5
B
P
DA
1
P
0.0855
0.0022
-0.0091
0.0988
0.0016
0.1503
B
OP1
DA
5
B
OP1
DA
1
O
0.1519
0.0092
0.0041
0.1013
0.0239
0.0895
B
OP2
DA
5
B
OP2
DA
1
O
0.0836
-0.0121
0.0044
0.0830
-0.0046
0.1121
B
O5'
DA
5
B
O5'
DA
1
O
0.0899
-0.0111
-0.0005
0.1026
0.0126
0.0596
B
C5'
DA
5
B
C5'
DA
1
C
0.0676
0.0094
-0.0052
0.1279
0.0141
0.0718
B
C4'
DA
5
B
C4'
DA
1
C
0.0846
0.0111
0.0047
0.0962
0.0028
0.0851
B
O4'
DA
5
B
O4'
DA
1
O
0.0978
-0.0126
0.0165
0.0540
0.0052
0.0909
B
C3'
DA
5
B
C3'
DA
1
C
0.0791
-0.0092
0.0035
0.0960
0.0071
0.1028
B
O3'
DA
5
B
O3'
DA
1
O
0.1182
-0.0008
-0.0329
0.0993
0.0169
0.1006
B
C2'
DA
5
B
C2'
DA
1
C
0.0757
0.0250
0.0237
0.0853
0.0295
0.1300
B
C1'
DA
5
B
C1'
DA
1
C
0.0888
-0.0290
-0.0265
0.0681
0.0226
0.1165
B
N9
DA
5
B
N9
DA
1
N
0.0876
0.0026
-0.0242
0.0994
0.0457
0.1322
B
C8
DA
5
B
C8
DA
1
C
0.1125
-0.0234
-0.0164
0.1002
0.0302
0.1079
B
N7
DA
5
B
N7
DA
1
N
0.1416
-0.0271
-0.0132
0.0680
0.0164
0.0699
B
C5
DA
5
B
C5
DA
1
C
0.0974
0.0014
-0.0262
0.0759
-0.0078
0.0649
B
C6
DA
5
B
C6
DA
1
C
0.0898
0.0113
-0.0042
0.1039
0.0002
0.0939
B
N6
DA
5
B
N6
DA
1
N
0.0704
0.0080
0.0022
0.0719
0.0126
0.1004
B
N1
DA
5
B
N1
DA
1
N
0.1278
-0.0386
0.0399
0.0961
-0.0273
0.0821
B
C2
DA
5
B
C2
DA
1
C
0.0590
-0.0149
-0.0051
0.0645
-0.0055
0.1012
B
N3
DA
5
B
N3
DA
1
N
0.1260
0.0093
-0.0403
0.0703
-0.0172
0.0917
B
C4
DA
5
B
C4
DA
1
C
0.1799
0.0139
0.0125
0.1642
0.0322
0.2491
B
CO
CO
8
C
CO
CO
CO
0.1945
0.0000
0.0000
0.1945
0.0000
0.1114
A
O
HOH
103
D
O
HOH
O
0.2190
0.0165
-0.0131
0.1748
0.0165
0.1070
A
O
HOH
104
D
O
HOH
O
0.6333
-0.1318
0.0132
0.3755
-0.0140
0.0693
A
O
HOH
108
D
O
HOH
O
0.7563
-0.4078
0.2498
0.7523
-0.2031
0.2982
A
O
HOH
109
D
O
HOH
O
0.4073
0.0731
-0.2706
0.2512
-0.0328
0.3998
A
O
HOH
112
D
O
HOH
O
0.4201
-0.0682
0.0074
0.1106
-0.0214
0.0601
A
O
HOH
113
D
O
HOH
O
0.2736
0.0417
0.0837
0.1272
0.0058
0.1613
A
O
HOH
114
D
O
HOH
O
0.2233
-0.0484
-0.0018
0.1673
0.0011
0.1161
A
O
HOH
117
D
O
HOH
O
0.1417
-0.0391
0.0361
0.1258
-0.0468
0.1901
A
O
HOH
121
D
O
HOH
O
0.1328
-0.0092
0.0033
0.1071
0.0152
0.1226
A
O
HOH
122
D
O
HOH
O
0.1190
0.0000
0.0000
0.1190
0.0000
0.0530
B
O
HOH
101
E
O
HOH
O
0.1343
-0.0257
0.0270
0.0964
-0.0325
0.1275
B
O
HOH
102
E
O
HOH
O
0.0879
-0.0175
-0.0443
0.0676
0.0256
0.1067
B
O
HOH
105
E
O
HOH
O
0.1803
0.0000
0.0000
0.1803
0.0000
0.1351
B
O
HOH
106
E
O
HOH
O
0.2922
-0.0622
-0.0706
0.2203
0.0408
0.2199
B
O
HOH
107
E
O
HOH
O
0.4224
-0.1557
-0.3514
0.1292
0.1664
0.3928
B
O
HOH
110
E
O
HOH
O
0.2174
0.0360
-0.0203
0.2590
0.0118
0.3354
B
O
HOH
111
E
O
HOH
O
0.3697
0.0224
0.0882
0.3484
0.2023
0.4527
B
O
HOH
115
E
O
HOH
O
0.9530
-0.0022
-0.5054
0.2228
-0.0344
0.5212
B
O
HOH
116
E
O
HOH
O
0.0838
0.0072
0.0162
0.0986
0.0263
0.1956
B
O
HOH
118
E
O
HOH
O
0.0925
-0.0004
0.0318
0.1121
0.0029
0.1616
B
O
HOH
119
E
O
HOH
O
0.1182
-0.0132
-0.0071
0.1163
0.0313
0.1598
B
O
HOH
120
E
O
HOH
O
0.1143
-0.0258
-0.0033
0.1021
0.0106
0.1189
B
O
HOH
123
E
O
HOH
O
0.044175
0.025505
0.000000
0.000000
0.051009
0.000000
0.000000
0.000000
0.022431
0.00000
0.00000
0.00000
Gao, Y.G.
Robinson, H.
Guan, Y.
Liaw, Y.C.
van Boom, J.H.
van der Marel, G.A.
Wang, A.H.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
36
90.00
90.00
120.00
22.637
22.637
44.581
Co 2
58.933
COBALT (II) ION
non-polymer
C10 H14 N5 O6 P
331.222
y
2'-DEOXYADENOSINE-5'-MONOPHOSPHATE
DNA linking
H2 O
18.015
WATER
non-polymer
N
1
N
CO
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
H
N
40
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
US
J.Biomol.Struct.Dyn.
JBSDD6
0646
0739-1102
16
69
76
9745896
Molecular structure of two crystal forms of cyclic triadenylic acid at 1A resolution.
1998
10.2210/pdb1o55/pdb
pdb_00001o55
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
123.00
1
IMAGE PLATE
1997-12-29
RIGAKU
SINGLE WAVELENGTH
M
x-ray
1
1.0
ROTATING ANODE
RIGAKU RU200
894.663
DNA (5'-CD(*AP*AP*AP)-3')
2
syn
polymer
58.933
COBALT (II) ION
1
syn
non-polymer
18.015
water
23
nat
water
CYCLIC TRINUCLEOTIDE
no
no
(DA)(DA)(DA)
AAA
A,B
polydeoxyribonucleotide
n
n
n
1
1.67
26.0000
VAPOR DIFFUSION, HANGING DROP
4.50
pH 4.50, VAPOR DIFFUSION, HANGING DROP, temperature 298.00K
298.00
COCL3
1
GLYCINE
1
MPD
1
MPD
2
software
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
Refinement description
Data collection
Database references
Derived calculations
1
0
2003-08-26
1
1
2008-04-26
1
2
2011-07-13
1
3
2017-10-04
1
4
2023-12-27
_software.name
_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.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
2003-08-26
SPRSDE
SEQUENCE
The crystallized entity is 5'-CD(*AP*AP*AP)-3', however,
each of the two independent molecules sits on the
crystallographic 3-fold axis. Remark 350 provides the way
to create cyclic D(*Ap*Ap*Ap) molecule.
RCSB
Y
RCSB
2003-08-20
REL
REL
CO
COBALT (II) ION
HOH
water
Synthetic
sample
OCO
7
2
CO
CO
8
B
HOH
103
3
HOH
HOH
103
A
HOH
104
3
HOH
HOH
104
A
HOH
108
3
HOH
HOH
108
A
HOH
109
3
HOH
HOH
109
A
HOH
112
3
HOH
HOH
112
A
HOH
113
3
HOH
HOH
113
A
HOH
114
3
HOH
HOH
114
A
HOH
117
3
HOH
HOH
117
A
OCO
7
3
HOH
HOH
121
A
OCO
7
3
HOH
HOH
122
A
HOH
101
3
HOH
HOH
101
B
HOH
102
3
HOH
HOH
102
B
HOH
105
3
HOH
HOH
105
B
HOH
106
3
HOH
HOH
106
B
HOH
107
3
HOH
HOH
107
B
HOH
110
3
HOH
HOH
110
B
HOH
111
3
HOH
HOH
111
B
HOH
115
3
HOH
HOH
115
B
HOH
116
3
HOH
HOH
116
B
OCO
7
3
HOH
HOH
118
B
OCO
7
3
HOH
HOH
119
B
OCO
7
3
HOH
HOH
120
B
OCO
7
3
HOH
HOH
123
B
A
2
n
1
DA
2
A
n
2
3
A
n
3
4
A
A
5
n
1
DA
5
B
n
2
6
B
n
3
7
B
0.138
author_defined_assembly
3
trimeric
author_defined_assembly
3
trimeric
A
HOH
121
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
A
HOH
122
D
O
HOH
1_555
88.7
A
HOH
121
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
118
E
O
HOH
1_555
87.2
A
HOH
122
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
118
E
O
HOH
1_555
94.8
A
HOH
121
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
119
E
O
HOH
1_555
90.9
A
HOH
122
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
119
E
O
HOH
1_555
89.3
B
HOH
118
E
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
119
E
O
HOH
1_555
175.4
A
HOH
121
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
120
E
O
HOH
1_555
94.8
A
HOH
122
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
120
E
O
HOH
1_555
175.3
B
HOH
118
E
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
120
E
O
HOH
1_555
88.6
B
HOH
119
E
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
120
E
O
HOH
1_555
87.5
A
HOH
121
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
123
E
O
HOH
1_555
173.2
A
HOH
122
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
123
E
O
HOH
1_555
84.8
B
HOH
118
E
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
123
E
O
HOH
1_555
91.6
B
HOH
119
E
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
123
E
O
HOH
1_555
90.7
B
HOH
120
E
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
B
HOH
123
E
O
HOH
1_555
91.8
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
-0.5000000000
0.8660254038
0.0000000000
-0.8660254038
-0.5000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
3_565
-x+y,-x+1,z
crystal symmetry operation
-11.3185000000
19.6042170655
0.0000000000
-0.5000000000
-0.8660254038
0.0000000000
0.8660254038
-0.5000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
2_665
-y+1,x-y+1,z
crystal symmetry operation
11.3185000000
19.6042170655
0.0000000000
-0.5000000000
-0.8660254038
0.0000000000
0.8660254038
-0.5000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
2_555
-y,x-y,z
crystal symmetry operation
0.0000000000
0.0000000000
0.0000000000
-0.5000000000
0.8660254038
0.0000000000
-0.8660254038
-0.5000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
3_555
-x+y,-x,z
crystal symmetry operation
0.0000000000
0.0000000000
0.0000000000
1
A
HOH
103
D
HOH
1
A
HOH
117
D
HOH
1
B
HOH
101
E
HOH
1
B
HOH
105
E
HOH
1
B
HOH
106
E
HOH
1
B
HOH
107
E
HOH
1
B
HOH
111
E
HOH
1
A
DA
3
A
DA
2
1
Y
1
A
DA
4
A
DA
3
1
Y
1
B
DA
6
B
DA
2
1
Y
1
B
DA
7
B
DA
3
1
Y
1
-3.39
0.50
113.80
110.41
A
A
A
N7
C8
N9
DA
DA
DA
2
2
2
N
1
3.45
0.40
105.80
109.25
A
A
A
C8
N9
C4
DA
DA
DA
2
2
2
N
1
-2.49
0.40
105.80
103.31
A
A
A
N9
C4
C5
DA
DA
DA
2
2
2
N
1
A
A
P
O3'
DA
DA
2
2
1.61
1_555
3_565
1
B
B
P
O3'
DA
DA
5
5
1.62
1_555
3_555
0.144
0.138
1.040
10.000
2198
2198
97.200
1
0.00
0.00
1.040
10.000
17
66
7
42
0
0.016
0.031
1.040
10.000
1O55
2198
2198
0.000
0.000
0.044
1
3.500
95.400
data collection
bioteX
data reduction
bioteX
phasing
SHELXS
refinement
SHELXL-97
data scaling
bioteX
MOLECULAR STRUCTURE OF TWO CRYSTAL FORMS OF CYCLIC TRIADENYLIC ACID AT 1 ANGSTROM RESOLUTION
1
N
N
1
N
N
2
N
N
3
N
N
3
N
N
metalc
2.101
A
HOH
121
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
metalc
2.070
A
HOH
122
D
O
HOH
1_555
B
CO
8
C
CO
CO
1_555
metalc
1.989
B
CO
8
C
CO
CO
1_555
B
HOH
118
E
O
HOH
1_555
metalc
2.133
B
CO
8
C
CO
CO
1_555
B
HOH
119
E
O
HOH
1_555
metalc
2.074
B
CO
8
C
CO
CO
1_555
B
HOH
120
E
O
HOH
1_555
metalc
2.068
B
CO
8
C
CO
CO
1_555
B
HOH
123
E
O
HOH
1_555
DNA
CYCLIC TRINUCLEOTIDE, DNA
1O55
PDB
1
1O55
2
4
1O55
2
4
1O55
A
1
1
3
5
7
1O55
5
7
1O55
B
1
1
3
BINDING SITE FOR RESIDUE CO B 8
B
CO
8
Software
6
A
HOH
121
D
HOH
6
1_555
A
HOH
122
D
HOH
6
1_555
B
HOH
118
E
HOH
6
1_555
B
HOH
119
E
HOH
6
1_555
B
HOH
120
E
HOH
6
1_555
B
HOH
123
E
HOH
6
1_555
155
hexagonal
H 3 2