Please cite:
Schudoma et al.,
Nucl. Acids Res. 38: 970-980.
DOI 10.1093/nar/gkp1010.
'16-3-14-5-Multiloop pdb2b661A.m1690-1995
Source: [PDB-id:chain] 2b66:A (&rarr PDB)
Source: Information 50S RIBOSOMAL SUBUNIT FROM A CRYSTAL STRUCTURE OF RELEASE FACTOR RF1, TRNAS AND MRNA BOUND TO THE RIBOSOME. THIS FILE CONTAINS THE 50S SUBUNIT FROM A CRYSTAL STRUCTURE OF RELEASE FACTOR RF1, TRNAS AND MRNA BOUND TO THE RIBOSOME AND IS DESCRIBED IN REMARK 400
Source: Compound 23S RIBOSOMAL RNA
Source: Resolution 5.90 ANGSTROMS.
Position (1691, 1994), (1708, 1730), (1734, 1758), (1773, 1988)
Primary structure ('_': anchors) _GAACUCUGCAAGUUGG_-_UGC_-_GCCGCAGUGAACAG_-_GCUGU_
Bases with unusual sugar puckers
(Standard: C3'-endo) 		2: C4'-exo, 3: C2'-exo, 4: C4'-exo, 5: C2'-exo, 8: C4'-exo, 9: C3'-exo, 11: C2'-exo, 13: C2'-exo, 16: C1'-exo, 19: C2'-exo, 20: O4'-endo, 31: C2'-exo, 32: C2'-exo, 33: C1'-exo, 37: C2'-exo, 38: C1'-endo, 43: C2'-exo, 44: C2'-exo
Bases with unusual glycosidic-bond configuration
(Standard: anti) 		4: syn, 31: syn, 33: syn
Tertiary structure: Stacked bases
# Position 1 Position 2 Stacking direction
1 1 2 ↑
2 3 9 ↑
3 3 45 →
4 5 6 ↑
5 10 11 ↑
6 11 12 ↑
7 12 13 ↑
8 13 14 ↑
9 14 15 ↑
10 15 16 ↑
11 17 18 ↑
12 19 20 ↑
13 21 22 ↑
14 21 31 ↓
15 24 25 ↑
16 25 26 ↑
17 26 27 ↑
18 29 30 ↑
19 34 35 ↑
20 35 36 ↑
21 39 41 →
22 40 41 ↑
23 41 42 ↑
24 45 46 ↑
Tertiary structure: Base-pairs
(anchor pairs)
# Position 1 Position 2 Edges Configuration Single?
1 1 46 Watson-Crick/Watson-Crick cis
2 2 44 O2'/Bifurcated ?
3 3 4 Sugar/O2' ?
4 3 11 Watson-Crick/Watson-Crick cis y
5 3 43 Watson-Crick/Hoogsteen trans y
6 5 9 O2'/Bifurcated ?
7 6 8 O2'/Watson-Crick ?
8 6 9 O2'/Watson-Crick ?
9 9 12 Bifurcated/O2' trans y
10 9 42 Watson-Crick/Watson-Crick cis
11 15 38 Hoogsteen/O2' ?
12 18 19 Watson-Crick/Watson-Crick cis
13 21 26 Watson-Crick/Watson-Crick cis
14 21 33 Bifurcated/O2' ?
15 23 24 Watson-Crick/Watson-Crick cis
16 27 31 Watson-Crick/Watson-Crick cis
17 28 30 Hoogsteen/O2' ?
18 32 36 Hoogsteen/Watson-Crick trans y
19 33 34 Bifurcated/O2' ?
20 33 35 Bifurcated/O2' ?
21 39 40 Watson-Crick/Watson-Crick cis
Downloads Atom coordinates (PDB format)
Contact annotation (MC-Annotate format)
3D Structure Structure Graph
Structural Clusters