Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'3-2-Internal Loop pdb1u6b1B.n152-172
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
Source: Resolution 3.10 ANGSTROMS.
Position (154, 170), (158, 167)
Primary structure ('_': anchors) _UAA_-_AU_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C4'-exo, 3: C1'-exo, 7: C1'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 3 ↑
2 3 6 &larr
3 3 7 →
4 4 5 ↑
5 7 9 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 9 Watson-Crick/Watson-Crick cis
2 2 7 Hoogsteen/Watson-Crick trans
3 3 7 O2'/Bifurcated ?
4 4 8 Watson-Crick/Watson-Crick cis
5 5 6 Watson-Crick/Watson-Crick cis
6 7 9 Hoogsteen/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters