Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-4-Internal Loop pdb1grz1A.n21-110
Source: [PDB-id:chain] 1grz:A (&rarr PDB)
Source: Information A PREORGANIZED ACTIVE SITE IN THE CRYSTAL STRUCTURE OF THE TETRAHYMENA RIBOZYME
Source: Compound LSU R-RNA GROUP I INTRON
Source: Resolution 5.00 ANGSTROMS.
Position (26, 105), (32, 100)
Primary structure ('_': anchors) _AACAG_-_ACAU_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C4'-exo, 11: C4'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		3: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 3 10 &larr
2 4 6 ↑
3 6 7 ↑
4 8 9 ↑
5 9 10 ↑
6 11 13 →
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 3 Sugar/O2' ?
2 1 13 Watson-Crick/Watson-Crick cis
3 4 5 Hoogsteen/O2' ?
4 5 6 Hoogsteen/O2' ?
5 6 9 Watson-Crick/Watson-Crick cis y
6 7 8 Watson-Crick/Watson-Crick cis
7 10 13 Sugar/O2' ?
8 11 13 Hoogsteen/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters