Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-5-Internal Loop pdb3cd6F0.n1819-1854
Source: [PDB-id:chain] 3cd6:0 (&rarr PDB)
Source: Information CO-CYSTAL OF LARGE RIBOSOMAL SUBUNIT MUTANT G2616A WITH CC- PUROMYCIN
Source: Compound 23S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 2.75 ANGSTROMS.
Position (1825, 1848), (1831, 1840)
Primary structure ('_': anchors) _CUCGUAC_-_GCAAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-endo, 3: C2'-endo, 4: C2'-endo, 6: C2'-endo, 7: C2'-endo, 13: C2'-endo, 14: C1'-exo, 15: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		13: syn, 15: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 3 →
2 3 15 ↓
3 4 5 ↑
4 5 7 →
5 7 8 &larr
6 8 9 ↑
7 10 11 ↑
8 11 12 ↑
9 12 14 →
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 16 Watson-Crick/Watson-Crick cis
2 3 15 O2'/Bifurcated ?
3 4 14 Watson-Crick/O2' ?
4 4 15 O2'/Bifurcated ?
5 5 14 Watson-Crick/Watson-Crick trans
6 7 12 Hoogsteen/Hoogsteen trans y
7 8 11 Watson-Crick/Watson-Crick cis y
8 9 10 Watson-Crick/Watson-Crick cis
9 12 16 Sugar/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters