Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'8-8-Internal Loop pdb2i2tFB.n1833-1877
Source: [PDB-id:chain] 2i2t:B (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF RIBOSOME WITH MESSENGER RNA AND THE ANTICODON STEM-LOOP OF P-SITE TRNA. THIS FILE CONTAINS THE 50S SUBUNIT OF ONE 70S RIBOSOME. THE ENTIRE CRYSTAL STRUCTURE CONTAINS TWO 70S RIBOSOMES AND IS DESCRIBED IN REMARK 400.
Source: Compound 23S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 3.22 ANGSTROMS.
Position (1835, 1875), (1844, 1866)
Primary structure ('_': anchors) _UGAUCGAA_-_UAAUUGAU_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C4'-exo, 14: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		4: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 3 ↑
3 3 18 →
4 4 5 &larr
5 6 7 ↑
6 7 13 →
7 8 9 ↑
8 8 14 &larr
9 12 13 ↑
10 14 15 ↑
11 17 18 ↑
12 19 20 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 20 Watson-Crick/Watson-Crick cis
2 2 19 Hoogsteen/Watson-Crick trans y
3 4 17 O2'/Bifurcated ?
4 4 18 O2'/Bifurcated ?
5 5 16 Watson-Crick/Watson-Crick cis
6 6 15 Watson-Crick/Watson-Crick cis
7 7 14 Hoogsteen/Sugar trans
8 8 13 O2'/Bifurcated trans
9 8 14 Bifurcated/O2' ?
10 9 12 Watson-Crick/Watson-Crick cis
11 10 11 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters