Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-7-Internal Loop pdb1vsaFx.n79-98
Source: [PDB-id:chain] 1vsa:x (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF A 70S RIBOSOME-TRNA COMPLEX REVEALS FUNCTIONAL INTERACTIONS AND REARRANGEMENTS. THIS FILE, 1VSA, CONTAINS THE 50S RIBOSOME SUBUNIT. 30S RIBOSOME SUBUNIT IS IN THE FILE 2OW8
Source: Compound 5S LARGE SUBUNIT RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 3.71 ANGSTROMS.
Position (71, 106), (79, 98)
Primary structure ('_': anchors) _GAGAGUA_-_GAUGGUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		1: C2'-exo, 5: C2'-exo, 6: C2'-exo, 8: C2'-exo, 13: C4'-exo, 14: C2'-exo, 15: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 16 →
2 3 17 &larr
3 4 5 ↑
4 5 6 ↑
5 6 7 ↑
6 8 9 ↑
7 11 12 ↑
8 12 13 ↑
9 15 16 ↑
10 17 18 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 18 Watson-Crick/Watson-Crick cis
2 2 17 Hoogsteen/Sugar trans
3 3 16 Bifurcated/Hoogsteen trans
4 4 15 Watson-Crick/Watson-Crick cis y
5 6 13 Watson-Crick/Hoogsteen trans y
6 7 12 Hoogsteen/Watson-Crick trans
7 8 11 O2'/Bifurcated trans y
8 9 10 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters