Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-5-Internal Loop pdb2qa410.n937-991
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
Source: Resolution 3.00 ANGSTROMS.
Position (945, 983), (950, 977)
Primary structure ('_': anchors) _GUAG_-_CCAAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		1: C2'-endo, 2: C2'-endo, 7: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 10 &larr
2 4 5 ↑
3 4 11 →
4 5 6 ↑
5 9 10 ↑
6 11 12 ↑
7 12 13 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 2 C/O2' ?
2 1 13 Watson-Crick/Watson-Crick cis
3 2 3 Bifurcated/Sugar cis y
4 2 10 Bifurcated/O2' ?
5 3 11 Hoogsteen/Watson-Crick trans
6 4 10 O2'/Bifurcated trans y
7 5 9 Watson-Crick/Watson-Crick cis
8 6 7 Watson-Crick/Watson-Crick cis
9 12 13 Bifurcated/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters