Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-3-Internal Loop pdb3cmeF0.n2540-2673
Source: [PDB-id:chain] 3cme:0 (&rarr PDB)
Source: Information THE STRUCTURE OF CA AND CCA-PHE-CAP-BIO BOUND TO THE LARGE RIBOSOMAL SUBUNIT OF HALOARCULA MARISMORTUI
Source: Compound 50S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 2.95 ANGSTROMS.
Position (2536, 2681), (2540, 2673)
Primary structure ('_': anchors) _GAAAAGA_-_UGA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C2'-endo, 4: C2'-endo, 5: C2'-endo, 6: C2'-endo, 7: C2'-endo, 12: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 7 ↑
2 2 4 →
3 5 7 ↓
4 5 11 →
5 8 9 ↑
6 8 12 &larr
7 10 11 ↑
8 12 13 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 7 Hoogsteen/O2' ?
2 1 14 Watson-Crick/Watson-Crick cis
3 5 12 Hoogsteen/Sugar trans
4 7 12 O2'/Watson-Crick ?
5 7 13 Hoogsteen/Watson-Crick trans
6 8 11 O2'/Bifurcated trans y
7 8 12 Bifurcated/O2' ?
8 9 10 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters