Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'7-7-Internal Loop pdb1pnu19.n69-106
Source: [PDB-id:chain] 1pnu:9 (&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 5S RIBOSOMAL RNA
Source: Resolution 8.70 ANGSTROMS.
Position (70, 105), (78, 97)
Primary structure ('_': anchors) _AAUGAUA_-_AAAAGUC_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		None
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 3 17 →
3 7 8 ↑
4 8 9 ↑
5 12 13 ↑
6 13 14 ↑
7 14 15 ↑
8 17 18 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 18 Watson-Crick/Watson-Crick cis
2 4 5 Hoogsteen/O2' ?
3 5 15 Watson-Crick/Watson-Crick cis y
4 6 14 Watson-Crick/Watson-Crick cis y
5 9 10 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters