1wsu

X-ray diffraction
2.3Å resolution

C-terminal domain of elongation factor selB complexed with SECIS RNA

Released:
Source organism: Moorella thermoacetica
Primary publication:
Structural basis for mRNA recognition by elongation factor SelB.
Nat Struct Mol Biol 12 198-203 (2005)
PMID: 15665870

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero heptamer (preferred)
PDBe Complex ID:
PDB-CPX-175121 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Selenocysteine-specific elongation factor Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 124 amino acids
Theoretical weight: 14.24 KDa
Source organism: Moorella thermoacetica
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q46455 (Residues: 512-634; Coverage: 19%)
Gene name: selB
Sequence domains: Elongation factor SelB, winged helix
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
5'-R(*GP*GP*CP*GP*UP*UP*GP*CP*CP*GP*GP*UP*CP*U*GP*GP*CP*AP*AP*CP*GP*CP*C)-3' Chains: E, F, G
Molecule details ›
Chains: E, F, G
Length: 23 nucleotides
Theoretical weight: 7.39 KDa
Source organism: Moorella thermoacetica
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P21212
Unit cell:
a: 81.865Å b: 169.814Å c: 71.827Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.224 0.224 0.279
Expression systems:
  • Escherichia coli BL21
  • Not provided