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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:
1IKD
PDB ID:
1IKD
 
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
5
AA_C5U6:A13G14_AA
-0.208
-0.657
2.844
3.166
12.181
26.351
-3.498
0.983
2.284
24.988
-6.495
29.154
1
7
AA_C7U8:G11G12_AA
-0.855
-0.521
3.968
18.54
15.463
86.471
-0.754
1.067
3.658
11.105
-13.315
89.133
1
1
AA_G1G2:C17C18_AA
0.12
-0.732
3.098
-2.54
11.167
31.627
-2.932
-0.587
2.676
19.699
4.48
33.587
1
2
AA_G2G3:U16C17_AA
0.55
-1.267
2.301
-17.623
2.704
21.05
-3.078
-3.863
1.295
6.166
40.183
27.52
1
3
AA_G3G4:C15U16_AA
-0.937
-1.056
4.473
3.133
32.901
44.229
-3.704
1.263
3.011
38.07
-3.626
54.712
1
4
AA_G4C5:G14C15_AA
-0.041
-0.656
2.481
-0.546
5.52
31.114
-1.963
0.001
2.333
10.189
1.008
31.592
1
6
AA_U6C7:G12A13_AA
-0.074
-0.849
3.139
1.924
10.589
33.114
-2.911
0.395
2.738
17.996
-3.27
34.773
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.