Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'6-4-Internal Loop pdb1xnqFA.n231-277
Source: [PDB-id:chain] 1xnq:A (&rarr PDB)
Source: Information STRUCTURE OF AN INOSINE-ADENINE WOBBLE BASE PAIR COMPLEX IN THE CONTEXT OF THE DECODING CENTER
Source: Compound 16S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 3.05 ANGSTROMS.
Position (233, 275), (238, 268)
Primary structure ('_': anchors) _GACGAC_-_AUCA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C2'-endo, 5: C2'-endo, 10: C2'-endo, 12: C2'-endo, 13: C1'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		13: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 11 →
2 2 3 ↑
3 3 10 →
4 6 10 ↑
5 7 8 ↑
6 7 9 →
7 10 13 ↑
8 11 13 ↓
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 14 Watson-Crick/Watson-Crick cis
2 2 3 Bifurcated/O2' ?
3 2 11 Watson-Crick/Watson-Crick cis y
4 3 9 Watson-Crick/O2' trans y
5 3 13 Hoogsteen/Watson-Crick trans
6 4 10 Sugar/Hoogsteen trans
7 7 10 O2'/Watson-Crick ?
8 8 9 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters