Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'3-7-Internal Loop pdb1m90FA.n1107-1194
Source: [PDB-id:chain] 1m90:A (&rarr PDB)
Source: Information CO-CRYSTAL STRUCTURE OF CCA-PHE-CAPROIC ACID-BIOTIN AND SPARSOMYCIN BOUND TO THE 50S RIBOSOMAL SUBUNIT
Source: Compound 23S RRNA
FLIPPED INTERNAL
Source: Resolution 2.80 ANGSTROMS.
Position (1116, 1185), (1124, 1181)
Primary structure ('_': anchors) _CGA_-_CUAGACA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C2'-endo, 3: C3'-exo, 10: C2'-endo, 11: C2'-endo, 12: C2'-endo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		None
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 2 9 →
2 2 12 ↓
3 3 4 ↑
4 3 10 &larr
5 4 5 ↑
6 6 7 ↑
7 7 8 ↑
8 8 9 ↑
9 10 12 →
10 13 14 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 9 O2'/Watson-Crick trans
2 1 14 Watson-Crick/Watson-Crick cis
3 2 10 Hoogsteen/Sugar trans
4 2 13 Watson-Crick/O2' ?
5 3 10 Bifurcated/O2' ?
6 5 6 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters