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› 3iqp

X-ray diffraction
2.9Å resolution

SAM-I riboswitch from T. tencongensis variant A94G apo form

Released:
DOI: 10.2210/pdb3iqp/pdb
Model geometry
Fit model/data
PDB entry 3iqp coloured by chain, front view.
PDB entry 3iqp coloured by chain, side view.
PDB entry 3iqp coloured by chain, top view.
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis
Primary publication:
Free state conformational sampling of the SAM-I riboswitch aptamer domain.
Stoddard CD, Montange RK, Hennelly SP, Rambo RP, Sanbonmatsu KY, Batey RT
Structure 18 787-97 (2010)
PMID: 20637415

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Assembly name:
PDBe Complex ID:
PDB-CPX-303236 (preferred)
Entry contents:
1 distinct RNA molecule
Macromolecule:
SAM-I riboswitch Chain: A
Molecule details ›
Chain: A
Length: 94 nucleotides
Theoretical weight: 30.57 KDa
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis
Expression system: Not provided
Sequence domains: SAM riboswitch aptamer (S box leader)

Ligands and Environments

1 bound ligand:
Ligand BA 10 x BA
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: RIGAKU RUH2R
Spacegroup: P43212
Unit cell:
a: 62.702Å b: 62.702Å c: 159.26Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.231 0.231 0.271
Expression system: Not provided

Quick links

Citations

30 review citations

A decade of riboswitches.
Serganov et al. (2013)
29 more

11 mentions without citation

Molecular recognition and function of riboswitches.
Serganov et al. (2012)
10 more