Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'20-Segment pdb2b9n1A.i520-541
Source: [PDB-id:chain] 2b9n:A (&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 23S RIBOSOMAL RNA
Source: Resolution 6.76 ANGSTROMS.
Position (520, 541)
Primary structure ('_': anchors) _GAGUGAAAUAGAGCCUGAAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		4: C2'-exo, 5: C2'-exo, 6: C2'-exo, 8: C2'-exo, 9: C4'-exo, 10: C2'-exo, 14: C2'-exo, 18: C2'-exo, 19: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		5: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 3 ↑
3 3 4 ↑
4 7 8 ↑
5 8 11 ↑
6 9 11 ↓
7 9 12 ↑
8 16 17 ↑
9 19 20 ↑
10 20 21 ↑
11 21 22 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 6 8 Hoogsteen/O2' ?
2 6 9 O2'/Bifurcated ?
3 16 18 Bifurcated/O2' ?
4 17 18 Hoogsteen/O2' trans y
5 21 22 Bifurcated/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters