Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-4-Internal Loop pdb1q7yFA.n938-992
Source: [PDB-id:chain] 1q7y:A (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF CCDAP-PUROMYCIN BOUND AT THE PEPTIDYL TRANSFERASE CENTER OF THE 50S RIBOSOMAL SUBUNIT
Source: Compound 23S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 3.20 ANGSTROMS.
Position (946, 984), (951, 978)
Primary structure ('_': anchors) _CCAAA_-_GUAG_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-exo, 3: C2'-exo, 7: C2'-endo, 12: C2'-endo, 13: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 3 ↑
2 3 10 →
3 4 5 ↑
4 4 12 &larr
5 8 9 ↑
6 9 10 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 13 Watson-Crick/Watson-Crick cis
2 3 11 Hoogsteen/Watson-Crick trans
3 3 12 O2'/Bifurcated ?
4 4 10 O2'/Bifurcated trans y
5 4 12 Bifurcated/O2' ?
6 5 9 Watson-Crick/Watson-Crick cis
7 6 7 Hoogsteen/Bifurcated cis
8 7 8 Watson-Crick/Watson-Crick cis
9 11 12 Hoogsteen/Sugar cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters