Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-7-Internal Loop pdb1c2w1B.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
Source: Resolution 7.50 ANGSTROMS.
Position (2843, 2874), (2851, 2866)
Primary structure ('_': anchors) _GUGUGUA_-_GAGCUAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		2: syn, 6: syn, 8: syn, 11: syn, 12: syn, 16: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 3 11 &larr
2 9 12 →
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 5 Watson-Crick/Hoogsteen trans y
2 1 18 Watson-Crick/Watson-Crick cis
3 2 10 O2'/Hoogsteen ?
4 3 6 Watson-Crick/O2' ?
5 4 6 Hoogsteen/O2' ?
6 5 6 Watson-Crick/O2' ?
7 6 16 O2'/C ?
8 6 18 Bifurcated/O2' ?
9 7 16 O2'/Hoogsteen ?
10 9 10 Watson-Crick/Watson-Crick cis
11 9 16 Hoogsteen/O2' ?
12 10 11 Sugar/O2' ?
13 11 12 Sugar/O2' ?
14 13 14 O2'/Sugar ?
15 13 17 O2'/Hoogsteen ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters