Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'2-3-Internal Loop pdb3bwp1A.n309-333
Source: [PDB-id:chain] 3bwp:A (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF A SELF-SPLICED GROUP II INTRON
Source: Compound GROUP IIC INTRON
Source: Resolution 3.10 ANGSTROMS.
Position (312, 330), (315, 326)
Primary structure ('_': anchors) _AU_-_UAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C3'-exo, 7: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		3: unknown
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 7 &larr
2 2 4 ↑
3 2 7 →
4 5 6 ↑
5 6 7 ↑
6 8 9 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 9 Watson-Crick/Watson-Crick cis
2 2 6 Watson-Crick/Hoogsteen trans
3 2 7 Bifurcated/O2' ?
4 4 5 Watson-Crick/Watson-Crick cis
5 7 8 Hoogsteen/Sugar cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters