Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'9-9-Internal Loop pdb1c2wFB.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
FLIPPED INTERNAL
Source: Resolution 7.50 ANGSTROMS.
Position (1850, 1892), (1860, 1882)
Primary structure ('_': anchors) _UGAUCGAAG_-_UUAAUUGAU_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		2: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 14 18 &larr
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 22 Watson-Crick/Watson-Crick cis
2 3 16 Watson-Crick/O2' ?
3 3 22 Bifurcated/O2' ?
4 5 6 Hoogsteen/O2' ?
5 5 18 C/O2' ?
6 5 19 C/O2' ?
7 6 7 Hoogsteen/O2' ?
8 6 19 O2'/Hoogsteen ?
9 7 15 Watson-Crick/O2' ?
10 7 17 O2'/Hoogsteen ?
11 7 19 Watson-Crick/O2' ?
12 8 13 Bifurcated/O2' ?
13 8 14 Watson-Crick/O2' ?
14 8 17 O2'/Watson-Crick ?
15 9 10 C/O2' ?
16 9 17 O2'/Watson-Crick ?
17 10 11 Hoogsteen/O2' ?
18 10 12 Watson-Crick/Sugar trans y
19 11 12 Watson-Crick/Watson-Crick cis y
20 13 18 O2'/Bifurcated ?
21 14 15 O2'/Sugar ?
22 14 17 Hoogsteen/O2' ?
23 15 19 C/O2' ?
24 15 20 Hoogsteen/O2' ?
25 16 20 Watson-Crick/O2' ?
26 17 18 O2'/Sugar ?
27 17 19 O2'/Sugar ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters