Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'5-4-Internal Loop pdb2b9nFA.n875-951
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
FLIPPED INTERNAL
Source: Resolution 6.76 ANGSTROMS.
Position (883, 943), (888, 937)
Primary structure ('_': anchors) _CCGAA_-_GUAG_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-exo, 3: C2'-exo, 5: C4'-exo, 7: C4'-exo, 11: C4'-exo, 12: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		2: syn, 11: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 →
2 2 3 &larr
3 3 10 →
4 4 5 ↑
5 8 9 ↑
6 9 10 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 13 Watson-Crick/Watson-Crick cis
2 4 11 Watson-Crick/O2' ?
3 5 9 Watson-Crick/Watson-Crick cis
4 7 8 Watson-Crick/Watson-Crick cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters