Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'9-6-Internal Loop pdb2hguFA.n319-367
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 (312, 377), (319, 367)
Primary structure ('_': anchors) _GAAAGGUGG_-_AGCCUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-exo, 3: C2'-exo, 4: C2'-exo, 5: C4'-exo, 6: C2'-exo, 14: C2'-exo, 17: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		14: syn, 17: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 4 5 ↑
3 5 6 ↑
4 8 13 →
5 9 10 ↑
6 15 16 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 19 Watson-Crick/Watson-Crick cis
2 2 3 Hoogsteen/O2' ?
3 3 17 Bifurcated/O2' ?
4 3 18 Bifurcated/O2' ?
5 4 17 Watson-Crick/Watson-Crick cis
6 6 15 Watson-Crick/Watson-Crick cis
7 7 8 Hoogsteen/O2' ?
8 10 12 O2'/Bifurcated ?
9 11 12 Watson-Crick/Watson-Crick cis
10 14 15 Watson-Crick/Hoogsteen trans y
11 18 19 O2'/Bifurcated ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters