Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'9-6-Internal Loop pdb2hguFA.n1506-1531
Source: [PDB-id:chain] 2hgu:A (&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 23S RRNA
FLIPPED INTERNAL
Source: Resolution 4.51 ANGSTROMS.
Position (1499, 1541), (1506, 1531)
Primary structure ('_': anchors) _ACAAGCUCU_-_GCAGGG_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C2'-exo, 4: C1'-endo, 5: C2'-exo, 6: C2'-exo, 8: C4'-exo, 9: C2'-exo, 11: C4'-exo, 14: C4'-exo, 16: C2'-exo, 17: C4'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		2: syn, 7: syn, 10: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 14 15 ↑
2 15 16 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 18 Watson-Crick/Hoogsteen cis y
2 1 19 Watson-Crick/Watson-Crick cis
3 2 15 Watson-Crick/Bifurcated cis y
4 2 17 O2'/Bifurcated ?
5 5 13 Watson-Crick/Watson-Crick cis
6 6 12 Bifurcated/O2' ?
7 7 8 Sugar/O2' ?
8 8 9 Hoogsteen/O2' ?
9 8 10 Watson-Crick/O2' ?
10 10 11 Sugar/O2' ?
11 11 12 Watson-Crick/Watson-Crick cis
12 16 18 Bifurcated/Watson-Crick cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters