Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-3-Internal Loop pdb2qa4F0.n2537-2690
Source: [PDB-id:chain] 2qa4:0 (&rarr PDB)
Source: Information A MORE COMPLETE STRUCTURE OF THE THE L7/L12 STALK OF THE HALOARCULA MARISMORTUI 50S LARGE RIBOSOMAL SUBUNIT
Source: Compound 23S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 3.00 ANGSTROMS.
Position (2541, 2686), (2545, 2678)
Primary structure ('_': anchors) _GAAAAGA_-_UGA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		1: C2'-exo, 3: C2'-endo, 4: C2'-endo, 5: C2'-endo, 6: C3'-exo, 7: C2'-endo, 12: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		6: syn, 12: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 7 ↑
2 2 4 →
3 5 7 ↓
4 5 11 →
5 8 9 ↑
6 8 12 &larr
7 10 11 ↑
8 12 13 ↑
9 13 14 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 7 Hoogsteen/O2' ?
2 1 14 Watson-Crick/Watson-Crick cis
3 5 12 Hoogsteen/Sugar trans
4 7 12 O2'/Bifurcated ?
5 7 13 Hoogsteen/Watson-Crick trans
6 8 11 O2'/Bifurcated trans
7 8 12 Bifurcated/O2' ?
8 9 10 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters