Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'8-8-Internal Loop pdb2qoxFB.n1833-1877
Source: [PDB-id:chain] 2qox:B (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF THE BACTERIAL RIBOSOME FROM ESCHERICHIA COLI IN COMPLEX WITH SPECTINOMYCIN. THIS FILE CONTAINS THE 50S SUBUNIT OF THE SECOND 70S RIBOSOME. THE ENTIRE CRYSTAL STRUCTURE CONTAINS TWO 70S RIBOSOMES.
Source: Compound 23S RRNA
FLIPPED INTERNAL
Source: Resolution 3.93 ANGSTROMS.
Position (1835, 1875), (1844, 1866)
Primary structure ('_': anchors) _UGAUCGAA_-_UAAUUGAU_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C4'-exo, 14: C2'-endo, 15: C4'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		4: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 3 ↑
3 3 18 →
4 6 7 ↑
5 7 13 →
6 8 9 ↑
7 8 14 &larr
8 12 13 ↑
9 14 15 ↑
10 15 16 ↑
11 17 18 ↑
12 19 20 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 20 Watson-Crick/Watson-Crick cis
2 3 19 Hoogsteen/Watson-Crick trans y
3 4 17 O2'/Bifurcated ?
4 4 18 O2'/Bifurcated ?
5 5 16 Watson-Crick/Watson-Crick cis y
6 6 15 Watson-Crick/Watson-Crick cis
7 7 14 O2'/Bifurcated trans y
8 8 13 O2'/Bifurcated trans
9 8 14 Bifurcated/O2' ?
10 9 12 Watson-Crick/Watson-Crick cis
11 10 11 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters