Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'9-9-Internal Loop pdb1c2w1B.n1849-1893
Source: [PDB-id:chain] 1c2w:B (&rarr PDB)
Source: Information 23S RRNA STRUCTURE FITTED TO A CRYO-ELECTRON MICROSCOPIC MAP AT 7.5 ANGSTROMS RESOLUTION
Source: Compound 23S RIBOSOMAL RNA
Source: Resolution 7.50 ANGSTROMS.
Position (1850, 1892), (1860, 1882)
Primary structure ('_': anchors) _UUAAUUGAU_-_UGAUCGAAG_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		21: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 5 9 &larr
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 20 Bifurcated/O2' ?
2 1 22 Watson-Crick/Watson-Crick cis
3 3 7 Watson-Crick/O2' ?
4 3 8 Hoogsteen/O2' ?
5 4 6 O2'/Sugar ?
6 4 8 C/O2' ?
7 4 16 Watson-Crick/O2' ?
8 4 17 O2'/Hoogsteen ?
9 4 18 C/O2' ?
10 5 6 O2'/Sugar ?
11 5 10 O2'/Bifurcated ?
12 5 18 C/O2' ?
13 6 9 Hoogsteen/O2' ?
14 6 14 O2'/Watson-Crick ?
15 6 15 O2'/Watson-Crick ?
16 6 16 O2'/Hoogsteen ?
17 7 20 Watson-Crick/O2' ?
18 8 9 O2'/Sugar ?
19 8 16 Watson-Crick/O2' ?
20 9 15 Watson-Crick/O2' ?
21 10 15 Bifurcated/O2' ?
22 11 12 Watson-Crick/Watson-Crick cis y
23 11 13 Watson-Crick/Sugar trans y
24 12 13 Hoogsteen/O2' ?
25 13 14 C/O2' ?
26 16 17 Hoogsteen/O2' ?
27 17 18 Hoogsteen/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters