Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'6-7-Internal Loop pdb1i97FA.n400-430
Source: [PDB-id:chain] 1i97:A (&rarr PDB)
Source: Information CRYSTAL STRUCTURE OF THE 30S RIBOSOMAL SUBUNIT FROM THERMUS THERMOPHILUS IN COMPLEX WITH TETRACYCLINE
Source: Compound 16S RRNA
FLIPPED INTERNAL
Source: Resolution 4.50 ANGSTROMS.
Position (402, 428), (410, 421)
Primary structure ('_': anchors) _GUAAAC_-_GGAAGAA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		6: C4'-exo, 13: C4'-exo, 15: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		14: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 3 ↑
2 3 4 ↑
3 4 5 ↑
4 5 7 →
5 6 14 →
6 6 15 &larr
7 7 8 &larr
8 9 10 ↑
9 10 11 ↑
10 12 14 ↑
11 15 16 ↑
12 16 17 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 17 Watson-Crick/Watson-Crick cis y
2 3 15 Hoogsteen/Sugar trans
3 7 11 Bifurcated/O2' ?
4 7 12 Sugar/Watson-Crick trans y
5 8 9 Watson-Crick/Watson-Crick cis y
6 12 13 Hoogsteen/O2' ?
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters