Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'2-5-Internal Loop pdb1e7kFD.n1-20
Source: [PDB-id:chain] 1e7k:D (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF THE SPLICEOSOMAL 15.5KD PROTEIN BOUND TO A U4 SNRNA FRAGMENT
Source: Compound RNA (5'-
FLIPPED INTERNAL
Source: Resolution 2.90 ANGSTROMS.
Position (3, 18), (9, 15)
Primary structure ('_': anchors) _GA_-_AAUGA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-endo, 3: O4'-endo, 5: C2'-endo, 6: C4'-exo, 7: C2'-endo, 8: C2'-endo, 9: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		9: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 6 →
2 2 9 &larr
3 3 4 ↑
4 3 7 &larr
5 5 6 ↑
6 10 11 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 6 Sugar/O2' ?
2 1 11 Watson-Crick/Watson-Crick cis
3 2 7 Hoogsteen/Sugar trans
4 2 9 O2'/Bifurcated ?
5 2 10 Watson-Crick/O2' ?
6 3 6 Sugar/Hoogsteen trans
7 3 7 O2'/Bifurcated ?
8 4 5 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters