Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'4-2-5-4-3-0-4-Multiloop pdb2qa410.m898-1274
Source: [PDB-id:chain] 2qa4:0 (&rarr PDB)
Source: Information A MORE COMPLETE STRUCTURE OF THE THE L7/L12 STALK OF THE HALOARCULA MARISMORTUI 50S LARGE RIBOSOMAL SUBUNIT
Source: Compound 23S RIBOSOMAL RNA
Source: Resolution 3.00 ANGSTROMS.
Position (903, 1269), (908, 921), (924, 1007), (1013, 1037), (1042, 1053), (1057, 1241), (1242, 1264)
Primary structure ('_': anchors) _GAAA_-_AC_-_AUUCC_-_AGGA_-_AGA_-__-_AGUA_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		3: C2'-exo, 16: C2'-endo, 20: C2'-endo, 21: C2'-endo, 26: C2'-endo, 27: C2'-endo, 31: C2'-endo, 33: 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 33 &larr
3 3 4 ↑
4 3 35 →
5 4 5 ↑
6 5 17 ↑
7 7 8 ↑
8 8 9 ↑
9 10 12 →
10 11 12 ↑
11 12 13 ↑
12 13 14 ↑
13 18 19 ↑
14 19 20 &larr
15 20 34 →
16 21 26 &larr
17 21 32 →
18 22 23 ↑
19 22 27 →
20 24 25 ↑
21 28 30 →
22 28 31 ↓
23 32 33 ↑
24 35 36 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 36 Watson-Crick/Watson-Crick cis
2 2 34 O2'/Bifurcated ?
3 2 35 Bifurcated/O2' trans
4 3 33 Bifurcated/O2' ?
5 3 34 Watson-Crick/Hoogsteen trans
6 4 8 Watson-Crick/O2' ?
7 4 14 O2'/Sugar ?
8 4 20 Hoogsteen/Hoogsteen trans y
9 5 19 Sugar/Hoogsteen trans y
10 6 7 Watson-Crick/Watson-Crick cis
11 8 9 Bifurcated/O2' ?
12 9 12 Bifurcated/Watson-Crick trans
13 10 11 Watson-Crick/Watson-Crick cis
14 13 35 Sugar/O2' ?
15 17 18 Watson-Crick/Watson-Crick cis
16 18 21 Hoogsteen/O2' ?
17 18 26 Watson-Crick/O2' ?
18 21 26 O2'/Bifurcated ?
19 21 27 Hoogsteen/Sugar trans y
20 22 25 Sugar/Bifurcated trans y
21 22 26 Sugar/Hoogsteen trans y
22 23 24 Watson-Crick/Watson-Crick cis
23 27 32 O2'/Watson-Crick ?
24 28 29 Watson-Crick/Watson-Crick cis
25 30 31 Watson-Crick/Watson-Crick cis
26 33 34 Hoogsteen/Sugar cis y
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters