Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-4-Internal Loop pdb1c2wFB.n2735-2769
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 (2737, 2767), (2742, 2762)
Primary structure ('_': anchors) _GAAA_-_AUAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		2: syn, 4: syn, 8: syn, 9: syn, 11: syn
Tertiary structure: Stacked bases None
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 12 Watson-Crick/Watson-Crick cis
2 3 4 Hoogsteen/O2' ?
3 3 5 O2'/Bifurcated ?
4 3 6 Watson-Crick/O2' ?
5 6 7 Watson-Crick/Watson-Crick cis
6 7 8 Hoogsteen/O2' ?
7 7 9 O2'/C ?
8 8 9 O2'/Sugar ?
9 8 11 C/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters