Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'2-3-Internal Loop pdb1zznFB.n57-81
Source: [PDB-id:chain] 1zzn:B (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF A GROUP I INTRON/TWO EXON COMPLEX THAT INCLUDES ALL CATALYTIC METAL ION LIGANDS.
Source: Compound 197-MER
FLIPPED INTERNAL
Source: Resolution 3.37 ANGSTROMS.
Position (58, 80), (62, 77)
Primary structure ('_': anchors) _AU_-_UAA_
Bases with unusual sugar puckers
(Standard: C3'-endo)
2: C2'-endo, 3: C2'-endo, 4: C4'-exo, 6: C2'-exo, 7: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti)
None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 3 7
2 4 7 &larr
3 5 6
4 8 9
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 2 O2'/Hoogsteen ?
2 1 9 Watson-Crick/Watson-Crick cis
3 3 7 O2'/Bifurcated ?
4 4 5 Watson-Crick/Watson-Crick cis
5 6 7 Hoogsteen/Sugar cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters