Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'3-3-Internal Loop pdb1u6bFB.n48-90
Source: [PDB-id:chain] 1u6b:B (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF A SELF-SPLICING GROUP I INTRON WITH BOTH EXONS
Source: Compound 197-MER
FLIPPED INTERNAL
Source: Resolution 3.10 ANGSTROMS.
Position (53, 85), (57, 81)
Primary structure ('_': anchors) _CAA_-_AAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C2'-exo, 7: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 8 →
2 3 4 ↑
3 3 9 &larr
4 4 5 ↑
5 6 7 ↑
6 7 8 ↑
7 9 10 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 10 Watson-Crick/Watson-Crick cis
2 2 9 Bifurcated/O2' trans
3 3 8 Sugar/Hoogsteen trans
4 4 7 Watson-Crick/Watson-Crick cis y
5 5 6 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters