7l5h

X-ray diffraction
1.8Å resolution

The external aldimine form of the wild-type Salmonella typhimurium Tryptophan Synthase at 1.80 Angstrom resolution with cesium ion at the metal coordination site

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133696 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Tryptophan synthase alpha chain Chain: A
Molecule details ›
Chain: A
Length: 268 amino acids
Theoretical weight: 28.7 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli
UniProt:
  • Canonical: P00929 (Residues: 1-268; Coverage: 100%)
Gene names: STM1727, trpA
Sequence domains: Tryptophan synthase alpha chain
Tryptophan synthase beta chain Chain: B
Molecule details ›
Chain: B
Length: 397 amino acids
Theoretical weight: 42.92 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A2K1 (Residues: 1-397; Coverage: 100%)
Gene names: STM1726, trpB
Sequence domains: Pyridoxal-phosphate dependent enzyme

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: C2
Unit cell:
a: 182.62Å b: 58.16Å c: 67.17Å
α: 90° β: 95.31° γ: 90°
R-values:
R R work R free
0.204 0.201 0.25
Expression system: Escherichia coli