Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-4-Internal Loop pdb1ffkF0.n934-988
Source: [PDB-id:chain] 1ffk:0 (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF THE LARGE RIBOSOMAL SUBUNIT FROM HALOARCULA MARISMORTUI AT 2.4 ANGSTROM RESOLUTION
Source: Compound 23S RRNA
FLIPPED INTERNAL
Source: Resolution 2.40 ANGSTROMS.
Position (942, 980), (947, 974)
Primary structure ('_': anchors) _CCAAA_-_GUAG_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		7: C2'-endo, 12: C2'-endo, 13: C4'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 3 ↑
2 3 10 →
3 4 5 ↑
4 8 9 ↑
5 9 10 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 2 Bifurcated/O2' ?
2 1 13 Watson-Crick/Watson-Crick cis
3 3 11 Hoogsteen/Watson-Crick trans
4 4 10 O2'/Bifurcated trans y
5 4 12 Bifurcated/O2' ?
6 5 9 Watson-Crick/Watson-Crick cis
7 6 7 Hoogsteen/Bifurcated cis
8 7 8 Watson-Crick/Watson-Crick cis
9 11 12 Hoogsteen/Sugar cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters