PDBe 3bcb

X-ray diffraction
1.85Å resolution

Crystal structure of mouse selenocysteine synthase, sodium phosphate soak

Source organism: Mus musculus

Function and Biology Details

Reaction catalysed:
O-phospho-L-seryl-tRNA(Sec) + selenophosphate + H(2)O = L-selenocysteinyl-tRNA(Sec) + 2 phosphate
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
O-phosphoseryl-tRNA(Sec) selenium transferase Chain: A
Molecule details ›
Chain: A
Length: 450 amino acids
Theoretical weight: 49.98 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
  • Canonical: Q6P6M7 (Residues: 19-468; Coverage: 89%)
Gene names: D5Ertd135e, Sepsecs
Sequence domains: O-phosphoseryl-tRNA(Sec) selenium transferase, SepSecS
Structure domains:

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: OTHER
Spacegroup: I222
Unit cell:
a: 59.231Å b: 138.974Å c: 141.821Å
α: 90° β: 90° γ: 90°
R R work R free
0.168 0.166 0.203
Expression system: Escherichia coli