Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-4-Internal Loop pdb1hr21A.n14-103
Source: [PDB-id:chain] 1hr2:A (&rarr PDB)
Source: Information CRYSTAL STRUCTURE ANALYSIS OF A MUTANT P4-P6 DOMAIN (DELC209) OF TETRAHYMENA THEMOPHILA GROUP I INTRON.
Source: Compound P4-P6 DELC209 MUTANT RNA RIBOZYME DOMAIN
Source: Resolution 2.25 ANGSTROMS.
Position (19, 98), (25, 93)
Primary structure ('_': anchors) _AACAG_-_ACAU_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C3'-exo, 5: C2'-endo, 12: C2'-exo, 13: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 11 ↓
2 3 10 &larr
3 4 6 ↑
4 6 7 ↑
5 8 9 ↑
6 9 10 ↑
7 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 3 11 Hoogsteen/Watson-Crick trans y
4 6 9 Watson-Crick/Watson-Crick cis y
5 7 8 Watson-Crick/Watson-Crick cis y
6 10 13 Sugar/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters