Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'3-3-Internal Loop pdb1yl4FA.n757-783
Source: [PDB-id:chain] 1yl4:A (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF 70S RIBOSOME WITH THRS OPERATOR AND TRNAS. 30S SUBUNIT. THE COORDINATES FOR THE 50S SUBUNIT ARE IN THE PDB ENTRY 1YL3
Source: Compound 16S RRNA
FLIPPED INTERNAL
Source: Resolution 5.50 ANGSTROMS.
Position (758, 782), (762, 778)
Primary structure ('_': anchors) _GUA_-_AAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C2'-exo, 5: C2'-exo, 8: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 3 ↑
3 3 7 →
4 4 5 ↑
5 6 7 ↑
6 7 8 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 10 Watson-Crick/Watson-Crick cis
2 3 8 Watson-Crick/Hoogsteen trans
3 4 7 Sugar/Hoogsteen trans y
4 4 8 Bifurcated/O2' ?
5 5 6 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters