Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-7-Internal Loop pdb2hguFB.n72-109
Source: [PDB-id:chain] 2hgu:B (&rarr PDB)
Source: Information 70S T.TH. RIBOSOME FUNCTIONAL COMPLEX WITH MRNA AND E- AND P-SITE TRNAS AT 4.5A. THIS ENTRY 2HGU CONTAINS 50S RIBOSOMAL SUBUNIT. THE 30S RIBOSOMAL SUBUNIT CAN BE FOUND IN PDB ENTRY 2HGR.
Source: Compound 5S RRNA
FLIPPED INTERNAL
Source: Resolution 4.51 ANGSTROMS.
Position (73, 108), (81, 100)
Primary structure ('_': anchors) _GAGAGUA_-_GAUGGUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C2'-exo, 5: C4'-exo, 7: C2'-exo, 8: C4'-exo, 11: C2'-exo, 16: C4'-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 16 →
3 4 5 ↑
4 6 7 ↑
5 7 11 →
6 10 11 ↑
7 13 14 ↑
8 14 15 ↑
9 15 16 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 17 Bifurcated/O2' ?
2 1 18 Watson-Crick/Watson-Crick cis
3 2 17 Bifurcated/O2' ?
4 4 15 Watson-Crick/Hoogsteen trans y
5 4 17 O2'/Bifurcated ?
6 7 8 Hoogsteen/O2' ?
7 9 10 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters