2ygh

X-ray diffraction
2.6Å resolution

SAM-I riboswitch with a G2nA mutation in the Kink turn in complex with S-adenosylmethionine

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-195850 (preferred)
Entry contents:
1 distinct RNA molecule
Macromolecule:
SAM-I RIBOSWITCH Chain: A
Molecule details ›
Chain: A
Length: 95 nucleotides
Theoretical weight: 30.88 KDa
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis
Expression system: Not provided
Sequence domains: SAM riboswitch (S box leader)

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P43212
Unit cell:
a: 58.46Å b: 58.46Å c: 155.26Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.205 0.2 0.259
Expression system: Not provided