Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'19-Hairpin pdb2b661A.e177-197
Source: [PDB-id:chain] 2b66:A (&rarr PDB)
Source: Information 50S RIBOSOMAL SUBUNIT FROM A CRYSTAL STRUCTURE OF RELEASE FACTOR RF1, 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 5.90 ANGSTROMS.
Position (177, 197)
Primary structure ('_': anchors) _GAACUGAAACAUCUCAGUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C4'-exo, 4: C2'-exo, 5: C4'-exo, 10: C2'-exo, 12: C2'-endo, 17: C4'-exo, 18: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 2 18 &larr
3 3 4 ↑
4 3 20 →
5 4 5 ↑
6 7 8 ↑
7 8 11 &larr
8 10 11 ↑
9 14 15 ↑
10 15 16 ↑
11 16 17 &larr
12 17 19 →
13 19 20 ↑
14 20 21 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 21 Watson-Crick/Watson-Crick cis
2 2 19 O2'/Watson-Crick ?
3 2 20 Bifurcated/O2' trans
4 3 18 Bifurcated/O2' ?
5 3 19 Watson-Crick/Hoogsteen trans
6 4 17 Watson-Crick/Hoogsteen trans y
7 6 16 Watson-Crick/Watson-Crick cis y
8 7 14 Watson-Crick/Watson-Crick cis
9 8 10 O2'/Hoogsteen ?
10 8 11 O2'/Bifurcated ?
11 18 19 Bifurcated/Sugar cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters