Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-4-Internal Loop pdb2j281B.n2682-2716
Source: [PDB-id:chain] 2j28:B (&rarr PDB)
Source: Information MODEL OF E. COLI SRP BOUND TO 70S RNCS
Source: Compound 23S RIBOSOMAL RNA
Source: Resolution 8.00 ANGSTROMS.
Position (2684, 2714), (2689, 2709)
Primary structure ('_': anchors) _AUAA_-_GAAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
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 3 8 &larr
4 4 5 ↑
5 4 9 →
6 5 6 ↑
7 7 8 ↑
8 9 11 ↑
9 11 12 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 12 Watson-Crick/Watson-Crick cis
2 3 9 Hoogsteen/Watson-Crick trans
3 4 8 O2'/Bifurcated ?
4 5 8 O2'/Bifurcated trans y
5 6 7 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters