Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-4-Internal Loop pdb1c2w1B.n235-262
Source: [PDB-id:chain] 1c2w:B (&rarr PDB)
Source: Information 23S RRNA STRUCTURE FITTED TO A CRYO-ELECTRON MICROSCOPIC MAP AT 7.5 ANGSTROMS RESOLUTION
Source: Compound 23S RIBOSOMAL RNA
Source: Resolution 7.50 ANGSTROMS.
Position (239, 258), (245, 253)
Primary structure ('_': anchors) _CAGUA_-_GAAC_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		3: syn, 4: syn, 9: syn, 10: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 8 9 &larr
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 13 Watson-Crick/Watson-Crick cis
2 4 10 O2'/Bifurcated ?
3 7 8 Watson-Crick/Watson-Crick cis
4 8 9 Bifurcated/O2' ?
5 9 10 O2'/C ?
6 12 13 O2'/Bifurcated ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters