Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-7-Internal Loop pdb1c2xFC.n70-106
Source: [PDB-id:chain] 1c2x:C (&rarr PDB)
Source: Information 5S RRNA STRUCTURE FITTED TO A CRYO-ELECTRON MICROSCOPIC MAP AT 7.5 ANGSTROMS RESOLUTION
Source: Compound 5S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 7.50 ANGSTROMS.
Position (71, 105), (79, 97)
Primary structure ('_': anchors) _GAGAGUA_-_GAUGGUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		5: C2'-exo, 7: C2'-exo, 16: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 3 ↑
3 2 16 →
4 3 4 ↑
5 4 5 ↑
6 5 6 ↑
7 6 7 ↑
8 7 11 →
9 8 9 ↑
10 10 11 ↑
11 11 12 ↑
12 12 13 ↑
13 15 16 ↑
14 17 18 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 18 Watson-Crick/Watson-Crick cis
2 2 17 Hoogsteen/Sugar trans
3 3 16 Watson-Crick/Hoogsteen trans
4 3 17 O2'/Bifurcated ?
5 4 15 Watson-Crick/Hoogsteen trans y
6 4 17 O2'/Hoogsteen ?
7 6 13 Bifurcated/Watson-Crick trans
8 7 12 Hoogsteen/Watson-Crick trans
9 8 11 O2'/Bifurcated trans
10 9 10 Watson-Crick/Watson-Crick cis
11 13 14 O2'/Bifurcated ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters