Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-4-Internal Loop pdb1yl4FA.n143-158
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 (138, 164), (143, 158)
Primary structure ('_': anchors) _CUAAU_-_ACAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-endo, 6: C4'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 3 4 ↑
2 6 7 ↑
3 9 10 ↑
4 10 11 ↑
5 11 12 ↑
6 12 13 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 13 Watson-Crick/Watson-Crick cis
2 4 11 Hoogsteen/Watson-Crick trans
3 4 12 Hoogsteen/Watson-Crick trans y
4 5 10 Watson-Crick/Hoogsteen trans
5 7 8 Watson-Crick/Watson-Crick cis
6 8 9 Bifurcated/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters