Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'3-7-Internal Loop pdb1s7210.n925-1008
Source: [PDB-id:chain] 1s72:0 (&rarr PDB)
Source: Information REFINED CRYSTAL STRUCTURE OF THE HALOARCULA MARISMORTUI LARGE RIBOSOMAL SUBUNIT AT 2.4 ANGSTROM RESOLUTION
Source: Compound 23S RIBOSOMAL RNA
Source: Resolution 2.40 ANGSTROMS.
Position (930, 1003), (934, 995)
Primary structure ('_': anchors) _CGA_-_GUUUGAC_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C2'-endo, 4: C2'-endo, 9: C2'-endo, 10: C2'-endo, 11: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		10: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 3 ↑
3 3 11 &larr
4 4 12 →
5 5 7 →
6 6 7 ↑
7 7 8 ↑
8 12 13 ↑
9 13 14 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 14 Watson-Crick/Watson-Crick cis
2 2 13 Watson-Crick/Watson-Crick cis y
3 3 11 O2'/Watson-Crick ?
4 3 12 Hoogsteen/Sugar trans y
5 4 7 O2'/Watson-Crick ?
6 4 11 Sugar/Hoogsteen trans
7 5 6 Watson-Crick/Watson-Crick cis y
8 5 12 Watson-Crick/O2' trans y
9 12 13 Bifurcated/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters