› 6yml

X-ray diffraction
2.17Å resolution

Crystal structure of the SAM-SAH riboswitch with decarboxylated SAH

Released:
DOI: 10.2210/pdb6yml/pdb
PDB 6yml coloured by chain and viewed from the front.
PDB 6yml coloured by chain and viewed from the side.
PDB 6yml coloured by chain and viewed from the top.
Source organism: Roseobacter sp.
Primary publication:
Crystal structure and ligand-induced folding of the SAM/SAH riboswitch.
Huang L, Liao TW, Wang J, Ha T, Lilley DMJ
Nucleic Acids Res. (2020)
PMID: 32520325

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct RNA molecules
Macromolecules (2 distinct):
Chains: A,C Chains: A, C
Molecule details ›
Chains: A, C
Length: 26 nucleotides
Theoretical weight: 8.39 KDa
Source organism: Roseobacter sp.
Expression system: Not provided
Chains: B,D Chains: B, D
Molecule details ›
Chains: B, D
Length: 9 nucleotides
Theoretical weight: 2.9 KDa
Source organism: Roseobacter sp.
Expression system: Not provided

Ligands and Environments

3 bound ligands:
Ligand AMP 1 x AMP
Ligand DSH 2 x DSH
Ligand SO4 1 x SO4
1 modified residue:
Ligand CBV 2 x CBV

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I24
Spacegroup: P312
Unit cell:
a: 86.218Å b: 86.218Å c: 75.395Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.2 0.198 0.233
Expression system: Not provided

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