Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-3-Internal Loop pdb1ffkF0.n240-251
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 (236, 257), (240, 251)
Primary structure ('_': anchors) _AAUGU_-_GAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C2'-endo, 4: C2'-endo, 10: C2'-endo, 11: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		9: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 10 →
3 3 11 &larr
4 5 10 ↑
5 6 7 ↑
6 11 12 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 12 Watson-Crick/Watson-Crick cis
2 2 8 O2'/Sugar ?
3 2 9 Watson-Crick/Watson-Crick cis
4 2 11 Hoogsteen/Sugar trans y
5 3 5 Watson-Crick/O2' ?
6 3 10 Sugar/Hoogsteen trans
7 3 11 Bifurcated/O2' ?
8 5 10 Bifurcated/O2' ?
9 6 10 O2'/Watson-Crick ?
10 7 8 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters