Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-9-Internal Loop pdb1pnu10.n1386-1542
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
Source: Resolution 8.70 ANGSTROMS.
Position (1388, 1540), (1393, 1530)
Primary structure ('_': anchors) _GGAC_-_CAAGAAAAG_
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 2 3 ↑
3 12 13 ↑
4 13 14 ↑
5 14 15 ↑
6 15 16 ↑
7 16 17 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 17 Watson-Crick/Watson-Crick cis
2 2 16 Hoogsteen/Sugar trans y
3 3 14 Bifurcated/O2' ?
4 6 7 Watson-Crick/Watson-Crick cis
5 8 9 Hoogsteen/O2' ?
6 8 11 Watson-Crick/Watson-Crick cis
7 10 11 Hoogsteen/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters