Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-7-Internal Loop pdb2hgr1A.n667-678
Source: [PDB-id:chain] 2hgr:A (&rarr PDB)
Source: Information 70S T.TH. RIBOSOME FUNCTIONAL COMPLEX WITH MRNA AND E- AND P-SITE TRNAS AT 4.5A. THIS ENTRY 2HGR CONTAINS 30S RIBOSOMAL SUBUNIT. THE 50S RIBOSOMAL SUBUNIT CAN BE FOUND IN PDB ENTRY 2HGU.
Source: Compound 16S RRNA
Source: Resolution 4.51 ANGSTROMS.
Position (662, 686), (667, 678)
Primary structure ('_': anchors) _AGUA_-_GCAGAUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C2'-exo, 9: C4'-exo, 11: C2'-exo, 12: 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 3 ↑
3 5 9 ↑
4 6 8 →
5 7 8 ↑
6 12 13 ↑
7 14 15 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 15 Watson-Crick/Watson-Crick cis
2 2 14 Watson-Crick/Watson-Crick cis
3 3 12 O2'/Bifurcated ?
4 4 12 Hoogsteen/Watson-Crick trans
5 5 8 Sugar/Sugar trans y
6 5 11 Sugar/Hoogsteen trans y
7 6 7 Watson-Crick/Watson-Crick cis
8 6 12 Bifurcated/O2' trans y
9 8 12 C/O2' ?
10 13 14 Hoogsteen/Hoogsteen cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters