Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-5-Internal Loop pdb1grzFB.n21-110
Source: [PDB-id:chain] 1grz:B (&rarr PDB)
Source: Information A PREORGANIZED ACTIVE SITE IN THE CRYSTAL STRUCTURE OF THE TETRAHYMENA RIBOZYME
Source: Compound LSU R-RNA GROUP I INTRON
FLIPPED INTERNAL
Source: Resolution 5.00 ANGSTROMS.
Position (26, 105), (32, 100)
Primary structure ('_': anchors) _ACAU_-_AACAG_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C4'-exo, 10: C4'-exo, 11: C4'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 3 →
2 4 5 ↑
3 5 6 ↑
4 7 8 ↑
5 8 10 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 3 Hoogsteen/O2' ?
2 1 4 Sugar/O2' ?
3 1 13 Watson-Crick/Watson-Crick cis
4 5 8 Watson-Crick/Watson-Crick cis
5 6 7 Watson-Crick/Watson-Crick cis
6 8 9 Hoogsteen/O2' ?
7 11 13 Sugar/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters