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A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID:
1NBR
PDB ID:
1NBR
 
Base Pair Morphology Step Parameters
CSV Format
Model Number
Step Number
Step Name
Shift
Slide
Rise
Tilt
Roll
Twist
X-Displacement
Y-Displacement
Helical Rise
Inclination
Tip
Helical Twist
1
3
AA_A3G4:C26U27_AA
0.063
-2.165
3.141
-1.109
6.642
11.816
-14.442
-1.152
1.672
29.347
4.9
13.594
1
10
AA_A11A12:U19U20_AA
-0.625
-1.675
3.005
-11.567
-1.638
31.966
-2.613
-0.719
3.118
-2.858
20.18
33.981
1
11
AA_A12C13:G17U19_AA
0.578
-1.16
2.949
4.288
2.381
32.703
-2.401
-0.362
2.91
4.199
-7.563
33.058
1
9
AA_C10A11:U20G21_AA
0.664
-1.423
4.147
-1.482
10.917
34.286
-4.175
-1.328
3.514
17.953
2.437
35.962
1
1
AA_G1G2:C28C29_AA
0.213
-1.58
2.76
-5.689
3.45
30.056
-3.525
-1.305
2.487
6.552
10.805
30.767
1
2
AA_G2A3:U27C28_AA
-0.729
-1.962
3.437
1.318
3.263
42.204
-3.058
1.147
3.26
4.522
-1.826
42.343
1
4
AA_G4U5:G25C26_AA
-0.265
-0.946
3.112
5.183
-0.125
54.638
-1.019
0.582
3.079
-0.136
-5.632
54.865
1
6
AA_G6U8:A23C24_AA
-2.759
-0.952
3.562
-11.824
-18.283
57.489
0.125
2.026
4.116
-18.304
11.838
61.144
1
5
AA_U5G6:C24G25_AA
-0.405
-1.121
3.598
0.513
32.87
6.068
-6.501
0.775
-0.446
79.82
-1.246
33.414
1
7
AA_U8U9:G22A23_AA
0.455
-1.391
3.009
3.664
-0.539
46.275
-1.722
-0.29
3.049
-0.684
-4.653
46.415
1
8
AA_U9C10:G21G22_AA
0.449
-2.786
2.513
12.521
7.099
11.663
-11.094
2.893
0.826
25.242
-44.52
18.507
The above values were obtained using first alternate conformation only and calculated by 3DNA program.
Xiang-Jun Lu & Wilma K. Olson (2003). '3DNA: a software package for the analysis, rebuilding and visualization of three-dimensional nucleic acid structures',
Nucleic Acids Res
.
31(17)
, 5108-21. Xiang-Jun Lu & Wilma K. Olson (2008). '3DNA: a versatile, integrated software system for the analysis, rebuilding and visualization of three-dimensional nucleic-acid structures',
Nat Protoc
.
3(7)
, 1213-27.