Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'3-2-Internal Loop pdb1pnuF0.n1802-1824
Source: [PDB-id:chain] 1pnu:0 (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF A STREPTOMYCIN DEPENDENT RIBOSOME FROM ESCHERICHIA COLI, 50S SUBUNIT OF 70S RIBOSOME. THIS FILE, 1PNU, CONTAINS ONLY MOLECULES OF THE 50S RIBOSOMAL SUBUNIT. THE 30S SUBUNIT, MRNA, P-SITE TRNA, AND A-SITE TRNA ARE IN THE PDB FILE 1PNS.
Source: Compound 23S RIBOSOMAL RNA
FLIPPED INTERNAL
Source: Resolution 8.70 ANGSTROMS.
Position (1806, 1820), (1809, 1816)
Primary structure ('_': anchors) _AAA_-_AA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-exo, 8: C1'-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 7 →
4 4 5 ↑
5 4 8 &larr
6 6 7 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 2 Watson-Crick/Watson-Crick cis
2 1 9 Watson-Crick/Watson-Crick cis
3 3 8 Hoogsteen/Sugar trans
4 4 7 O2'/Bifurcated trans
5 4 8 Watson-Crick/O2' ?
6 5 6 Watson-Crick/Watson-Crick cis
7 8 9 Bifurcated/Hoogsteen cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters