1wdw

X-ray diffraction
3Å resolution

Structural basis of mutual activation of the tryptophan synthase a2b2 complex from a hyperthermophile, Pyrococcus furiosus

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-186373 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Tryptophan synthase alpha chain Chains: A, C, E, G, I, K
Molecule details ›
Chains: A, C, E, G, I, K
Length: 248 amino acids
Theoretical weight: 27.54 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8U094 (Residues: 1-248; Coverage: 100%)
Gene names: PF1705, trpA
Sequence domains: Tryptophan synthase alpha chain
Structure domains: Aldolase class I
Tryptophan synthase beta chain 1 Chains: B, D, F, H, J, L
Molecule details ›
Chains: B, D, F, H, J, L
Length: 385 amino acids
Theoretical weight: 42.32 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8U093 (Residues: 1-385; Coverage: 99%)
Gene names: PF1706, trpB1
Sequence domains: Pyridoxal-phosphate dependent enzyme
Structure domains: Rossmann fold

Ligands and Environments


Cofactor: Ligand PLP 6 x PLP
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL44XU
Spacegroup: P212121
Unit cell:
a: 89.056Å b: 220.257Å c: 292.56Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.196 0.231
Expression system: Escherichia coli