Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'6-4-Internal Loop pdb3d5a1A.n867-878
Source: [PDB-id:chain] 3d5a:A (&rarr PDB)
Source: Information STRUCTURAL BASIS FOR TRANSLATION TERMINATION ON THE 70S RIBOSOME. THIS FILE CONTAINS THE 30S SUBUNIT, RELEASE FACTOR 1 (RF1), TWO TRNA, AND MRNA MOLECULES OF ONE 70S RIBOSOME. THE ENTIRE CRYSTAL STRUCTURE CONTAINS TWO 70S RIBOSOMES AS DESCRIBED IN REMARK 400.
Source: Compound 16S RRNA
Source: Resolution 3.21 ANGSTROMS.
Position (860, 883), (867, 878)
Primary structure ('_': anchors) _GAGUAC_-_GAAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C2'-endo, 4: C2'-endo, 11: C2'-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 &larr
3 3 5 →
4 4 10 &larr
5 5 6 ↑
6 6 7 ↑
7 6 11 →
8 7 8 ↑
9 9 10 ↑
10 11 12 ↑
11 12 13 ↑
12 13 14 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 14 Watson-Crick/Watson-Crick cis
2 2 13 Bifurcated/O2' trans
3 3 12 Hoogsteen/Hoogsteen trans
4 5 10 Watson-Crick/O2' ?
5 5 11 Hoogsteen/Watson-Crick trans
6 8 9 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters