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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:
1I4B
PDB ID:
1I4B
 
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
1
AA_G1G2:C12C13_AA
-1.342
-0.991
3.102
-0.216
-1.048
34.575
-1.513
2.225
3.138
-1.763
0.364
34.591
1
2
AA_G2U3:A11C12_AA
0.186
-0.443
2.893
2.743
-1.233
29.636
-0.633
0.148
2.913
-2.403
-5.345
29.784
1
4
AA_G4C5:G9C10_AA
1.735
-0.141
2.857
7.994
9.725
37.034
-1.295
-1.705
3.024
14.796
-12.162
39.044
1
3
AA_U3G4:C10A11_AA
-0.322
-1.2
3.374
-3.299
30.926
30.222
-4.395
0.144
1.578
46.604
4.971
43.105
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.