Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-4-Internal Loop pdb2pxt1B.n15-38
Source: [PDB-id:chain] 2pxt:B (&rarr PDB)
Source: Information VARIANT 15 OF RIBONUCLEOPROTEIN CORE OF THE E. COLI SIGNAL RECOGNITION PARTICLE
Source: Compound 4.5 S RNA
Source: Resolution 2.50 ANGSTROMS.
Position (17, 36), (22, 31)
Primary structure ('_': anchors) _CAGG_-_AGCA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 9 &larr
3 3 4 ↑
4 3 11 →
5 4 5 ↑
6 5 6 ↑
7 7 8 ↑
8 8 9 ↑
9 10 11 ↑
10 11 12 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 12 Watson-Crick/Watson-Crick cis
2 2 10 O2'/Bifurcated ?
3 2 11 Hoogsteen/Sugar trans y
4 3 9 Watson-Crick/O2' ?
5 3 10 Watson-Crick/Hoogsteen trans
6 4 9 Sugar/Hoogsteen trans y
7 5 8 Watson-Crick/Watson-Crick cis
8 6 7 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters