Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-5-Internal Loop pdb2b9n1A.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
Source: Resolution 6.76 ANGSTROMS.
Position (883, 943), (888, 937)
Primary structure ('_': anchors) _GUAG_-_CCGAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-exo, 3: C4'-exo, 7: C4'-exo, 9: C4'-exo, 11: C2'-exo, 12: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		3: syn, 12: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 4 5 ↑
2 4 11 →
3 5 6 ↑
4 9 10 ↑
5 11 12 &larr
6 12 13 →
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 13 Watson-Crick/Watson-Crick cis
2 3 10 Watson-Crick/O2' ?
3 5 9 Watson-Crick/Watson-Crick cis
4 6 7 Watson-Crick/Watson-Crick cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters