Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-5-Internal Loop pdb1hr2FA.n5-111
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
FLIPPED INTERNAL
Source: Resolution 2.25 ANGSTROMS.
Position (8, 108), (14, 103)
Primary structure ('_': anchors) _AACA_-_GGAAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		5: C2'-endo, 7: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 3 4 ↑
3 4 9 →
4 5 10 &larr
5 7 8 ↑
6 8 9 ↑
7 10 11 ↑
8 11 12 ↑
9 12 13 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 13 Watson-Crick/Watson-Crick cis
2 2 12 Watson-Crick/Watson-Crick cis
3 3 11 Watson-Crick/Watson-Crick cis
4 4 10 Bifurcated/O2' trans y
5 5 9 Sugar/Hoogsteen trans
6 5 10 O2'/Watson-Crick ?
7 6 7 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters