Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'8-8-Internal Loop pdb2b9nFB.n81-100
Source: [PDB-id:chain] 2b9n:B (&rarr PDB)
Source: Information 50S RIBOSOMAL SUBUNIT FROM A CRYSTAL STRUCTURE OF RELEASE FACTOR RF2, TRNAS AND MRNA BOUND TO THE RIBOSOME. THIS FILE CONTAINS THE 50S SUBUNIT FROM A CRYSTAL STRUCTURE OF RELEASE FACTOR RF1, TRNAS AND MRNA BOUND TO THE RIBOSOME AND IS DESCRIBED IN REMARK 400.
Source: Compound 5S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 6.76 ANGSTROMS.
Position (72, 109), (81, 100)
Primary structure ('_': anchors) _GAGAGUAG_-_CGAUGGUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		7: C2'-exo, 8: C2'-exo, 9: C4'-exo, 10: C2'-exo, 15: C4'-exo, 16: C4'-exo, 17: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 3 ↑
3 3 17 →
4 4 5 ↑
5 5 6 ↑
6 6 7 ↑
7 7 8 ↑
8 8 12 →
9 9 10 ↑
10 11 12 ↑
11 14 15 ↑
12 16 17 ↑
13 18 19 ↑
14 19 20 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 20 Watson-Crick/Watson-Crick cis
2 3 18 Bifurcated/O2' trans
3 5 15 Watson-Crick/Bifurcated trans y
4 10 11 Watson-Crick/Watson-Crick cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters