Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-4-Internal Loop pdb1fkaFA.n749-775
Source: [PDB-id:chain] 1fka:A (&rarr PDB)
Source: Information STRUCTURE OF FUNCTIONALLY ACTIVATED SMALL RIBOSOMAL SUBUNIT AT 3.3 A RESOLUTION
Source: Compound 16S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 3.30 ANGSTROMS.
Position (750, 774), (755, 769)
Primary structure ('_': anchors) _GGUA_-_AAAC_
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 1 11 →
3 2 3 ↑
4 2 9 →
5 4 5 ↑
6 5 6 ↑
7 7 8 ↑
8 8 9 ↑
9 11 12 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 2 Hoogsteen/O2' ?
2 1 12 Watson-Crick/Watson-Crick cis
3 3 11 O2'/Bifurcated ?
4 4 10 Watson-Crick/O2' ?
5 6 7 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters