Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'6-4-Internal Loop pdb3bwp1A.n287-296
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 (280, 301), (287, 296)
Primary structure ('_': anchors) _AUAGUA_-_GAAG_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		4: syn, 5: syn, 6: syn, 10: unknown, 13: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 3 ↑
2 6 7 →
3 6 11 ↑
4 7 8 ↑
5 11 12 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 14 Watson-Crick/Watson-Crick cis
2 3 4 Watson-Crick/O2' ?
3 3 13 Watson-Crick/Watson-Crick cis
4 4 11 Hoogsteen/O2' ?
5 8 9 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters