Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-7-Internal Loop pdb1c2wFB.n2839-2878
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 (2843, 2874), (2851, 2866)
Primary structure ('_': anchors) _GAGCUAA_-_GUGUGUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		3: syn, 7: syn, 8: syn, 11: syn, 13: syn, 17: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 7 10 →
2 8 16 &larr
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 13 Bifurcated/O2' ?
2 1 18 Watson-Crick/Watson-Crick cis
3 2 6 O2'/Hoogsteen ?
4 3 10 Hoogsteen/O2' ?
5 3 12 O2'/Hoogsteen ?
6 3 13 O2'/C ?
7 5 6 O2'/Sugar ?
8 7 8 Sugar/O2' ?
9 8 9 Sugar/O2' ?
10 9 10 Watson-Crick/Watson-Crick cis
11 9 17 O2'/Hoogsteen ?
12 13 14 Watson-Crick/O2' ?
13 13 15 Hoogsteen/O2' ?
14 13 16 Watson-Crick/O2' ?
15 14 18 Watson-Crick/Hoogsteen trans y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters